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13:20:35.000000000","message":"Abandoned\n\nI lost interest in this. It could be finished (properly even), but you\u0027d still probably want a configuration system. 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At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. 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At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d770699fbc7525e3a17a8fa98ba436ea60d2de4da"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d770699fbc7525e3a17a8fa98ba436ea60d2de4da"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"0d0da3cda043a019c9693b1c1357fa9531074e04","is_merged_in_target_branch":false,"change_id":"I3f012a291447ef385efdd28132292a8b331998c0","change_number":2850,"patch_set_number":2,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"586a48bc2fc804d4b23ba7a35d0458dbf201fad4":{"kind":"TRIVIAL_REBASE","_number":30,"created":"2021-04-05 10:51:58.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/30","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/30","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/30 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/30 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/30 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/30"}}},"commit":{"parents":[{"commit":"ce44359e9e54c681e438fbc4be64ec7642617ebd","subject":"feat(web/bubblegum): allow passing status as an int","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003dce44359e9e54c681e438fbc4be64ec7642617ebd"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-05 10:51:56.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d586a48bc2fc804d4b23ba7a35d0458dbf201fad4"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d586a48bc2fc804d4b23ba7a35d0458dbf201fad4"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"ce44359e9e54c681e438fbc4be64ec7642617ebd","is_merged_in_target_branch":false,"change_id":"I3f012a291447ef385efdd28132292a8b331998c0","change_number":2850,"patch_set_number":3,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"e0b31406f403ab10e9f1a0f69c7395d473a9f964":{"kind":"REWORK","_number":31,"created":"2021-04-05 14:08:07.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/31","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/31","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/31 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/31 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/31 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/31"}}},"commit":{"parents":[{"commit":"386afdc794eefd5bcbc47a3fd7b898a07f69f978","subject":"feat(web/bubblegum): allow passing status as an int","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d386afdc794eefd5bcbc47a3fd7b898a07f69f978"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-05 14:05:37.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003de0b31406f403ab10e9f1a0f69c7395d473a9f964"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003de0b31406f403ab10e9f1a0f69c7395d473a9f964"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"386afdc794eefd5bcbc47a3fd7b898a07f69f978","is_merged_in_target_branch":true,"change_id":"I3f012a291447ef385efdd28132292a8b331998c0","change_number":2850,"patch_set_number":4,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"9b73eb2ae71cae69587f630c5758d8d0762a7aad":{"kind":"TRIVIAL_REBASE","_number":32,"created":"2021-04-09 23:52:50.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/32","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/32","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/32 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/32 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/32 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/32"}}},"commit":{"parents":[{"commit":"eaa4326c6d2740dc6f11676da43ab3c20d905193","subject":"fix(panettone): always use displayname in subjects","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003deaa4326c6d2740dc6f11676da43ab3c20d905193"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-09 23:52:48.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d9b73eb2ae71cae69587f630c5758d8d0762a7aad"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d9b73eb2ae71cae69587f630c5758d8d0762a7aad"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"eaa4326c6d2740dc6f11676da43ab3c20d905193","is_merged_in_target_branch":false,"change_id":"Id12d3d9619f42eb5337c2d3482b7c1646b5d6a81","change_number":2911,"patch_set_number":1,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"c9ddef133147b5efb85777d16c44f06f86760a4f":{"kind":"REWORK","_number":33,"created":"2021-04-09 23:55:22.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/33","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/33","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/33 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/33 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/33 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/33"}}},"commit":{"parents":[{"commit":"79bd7c8170ff664381f3a53bd55109b077527b51","subject":"fix(panettone): always use displayname in subjects","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d79bd7c8170ff664381f3a53bd55109b077527b51"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-09 23:55:16.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003dc9ddef133147b5efb85777d16c44f06f86760a4f"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003dc9ddef133147b5efb85777d16c44f06f86760a4f"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"79bd7c8170ff664381f3a53bd55109b077527b51","is_merged_in_target_branch":false,"change_id":"Id12d3d9619f42eb5337c2d3482b7c1646b5d6a81","change_number":2911,"patch_set_number":2,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"e868396759cfd9df490ce4a96440969be7e36996":{"kind":"REWORK","_number":34,"created":"2021-04-10 09:29:08.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/34","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/34","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/34 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/34 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/34 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/34"}}},"commit":{"parents":[{"commit":"fb0e76ae66040b8af037aa7ff5050cb72219d074","subject":"refactor(sterni): use pkgs over third_party to import from nixpkgs","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003dfb0e76ae66040b8af037aa7ff5050cb72219d074"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-10 09:29:02.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003de868396759cfd9df490ce4a96440969be7e36996"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003de868396759cfd9df490ce4a96440969be7e36996"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"fb0e76ae66040b8af037aa7ff5050cb72219d074","is_merged_in_target_branch":false,"change_id":"I53a854071fddd7c0d0526cc4c5b16998202082c6","change_number":2913,"patch_set_number":1,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"44fe9c49a6e1dd156b42d5b3be26f665244b011b":{"kind":"REWORK","_number":35,"created":"2021-04-10 09:30:50.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/35","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/35","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/35 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/35 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/35 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/35"}}},"commit":{"parents":[{"commit":"fb0e76ae66040b8af037aa7ff5050cb72219d074","subject":"refactor(sterni): use pkgs over third_party to import from nixpkgs","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003dfb0e76ae66040b8af037aa7ff5050cb72219d074"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-10 09:30:39.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d44fe9c49a6e1dd156b42d5b3be26f665244b011b"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d44fe9c49a6e1dd156b42d5b3be26f665244b011b"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"fb0e76ae66040b8af037aa7ff5050cb72219d074","is_merged_in_target_branch":false,"change_id":"I53a854071fddd7c0d0526cc4c5b16998202082c6","change_number":2913,"patch_set_number":1,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"222cf9864ba5dcc2e555c97b20e1c3293e6edd0a":{"kind":"TRIVIAL_REBASE","_number":36,"created":"2021-04-10 17:10:25.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/36","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/36","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/36 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/36 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/36 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/36"}}},"commit":{"parents":[{"commit":"360b82d9bcaa005dab596472fa6f7b2106f4cd87","subject":"refactor: build all haskell packages without ifd","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d360b82d9bcaa005dab596472fa6f7b2106f4cd87"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-10 17:10:22.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d222cf9864ba5dcc2e555c97b20e1c3293e6edd0a"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d222cf9864ba5dcc2e555c97b20e1c3293e6edd0a"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"360b82d9bcaa005dab596472fa6f7b2106f4cd87","is_merged_in_target_branch":false,"change_id":"I8fff70b4b6c303d1920f8bcac53520a09999b206","change_number":2921,"patch_set_number":1,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"9ef7fcdee44398b167ea38302930ec26da62dfb8":{"kind":"TRIVIAL_REBASE","_number":37,"created":"2021-04-10 17:11:31.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/37","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/37","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/37 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/37 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/37 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/37"}}},"commit":{"parents":[{"commit":"4894aa5e22b86c123a24c33711ed761c108fc721","subject":"refactor: build all haskell packages without ifd","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d4894aa5e22b86c123a24c33711ed761c108fc721"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-10 17:11:19.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d9ef7fcdee44398b167ea38302930ec26da62dfb8"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d9ef7fcdee44398b167ea38302930ec26da62dfb8"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"4894aa5e22b86c123a24c33711ed761c108fc721","is_merged_in_target_branch":false,"change_id":"I8fff70b4b6c303d1920f8bcac53520a09999b206","change_number":2921,"patch_set_number":2,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"398c9674ab8054fadc4a474fce87ac17d4b816f2":{"kind":"TRIVIAL_REBASE","_number":38,"created":"2021-04-10 20:16:25.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/38","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/38","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/38 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/38 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/38 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/38"}}},"commit":{"parents":[{"commit":"efab9a1194d73a82fe9bff68a8f27660f7308959","subject":"refactor: build all haskell packages without ifd","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003defab9a1194d73a82fe9bff68a8f27660f7308959"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-10 20:16:23.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d398c9674ab8054fadc4a474fce87ac17d4b816f2"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d398c9674ab8054fadc4a474fce87ac17d4b816f2"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"efab9a1194d73a82fe9bff68a8f27660f7308959","is_merged_in_target_branch":false,"change_id":"I8fff70b4b6c303d1920f8bcac53520a09999b206","change_number":2921,"patch_set_number":3,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"7f2d4c540bda235d7f3bb54ec69f0637035baa6d":{"kind":"REWORK","_number":39,"created":"2021-04-10 21:57:57.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/39","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/39","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/39 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/39 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/39 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/39"}}},"commit":{"parents":[{"commit":"726eff80f131e81e56faf4b6273ffe74e862e7ab","subject":"fix(glittershark/system): Build yerenSystem in CI","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d726eff80f131e81e56faf4b6273ffe74e862e7ab"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-10 21:57:51.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d7f2d4c540bda235d7f3bb54ec69f0637035baa6d"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d7f2d4c540bda235d7f3bb54ec69f0637035baa6d"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"726eff80f131e81e56faf4b6273ffe74e862e7ab","is_merged_in_target_branch":true,"change_id":"I0abe56f0a1f18e4e542cb458dfcdf81e8a0ddc01","change_number":2923,"patch_set_number":2,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"29416f053560a10a9995c910cd76bd7136044b8a":{"kind":"REWORK","_number":40,"created":"2021-04-15 20:16:34.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/40","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/40","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/40 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/40 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/40 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/40"}}},"commit":{"parents":[{"commit":"2f4ea13ca2a76641052216139cc6267ca959ae0d","subject":"refactor(users/grfn): build all haskell packages without ifd","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d2f4ea13ca2a76641052216139cc6267ca959ae0d"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-15 20:16:17.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d29416f053560a10a9995c910cd76bd7136044b8a"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d29416f053560a10a9995c910cd76bd7136044b8a"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"2f4ea13ca2a76641052216139cc6267ca959ae0d","is_merged_in_target_branch":true,"change_id":"I8fff70b4b6c303d1920f8bcac53520a09999b206","change_number":2921,"patch_set_number":9,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"2362231d8bcea38a3890e73712e88e035284a627":{"kind":"REWORK","_number":41,"created":"2021-04-20 08:32:08.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/41","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/41","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/41 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/41 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/41 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/41"}}},"commit":{"parents":[{"commit":"094478b75fc0ea9573ca4c1a906e4c2dd250ba7b","subject":"fix(bubblegum): import lib from the new correct place","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d094478b75fc0ea9573ca4c1a906e4c2dd250ba7b"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-20 08:31:59.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d2362231d8bcea38a3890e73712e88e035284a627"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d2362231d8bcea38a3890e73712e88e035284a627"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"094478b75fc0ea9573ca4c1a906e4c2dd250ba7b","is_merged_in_target_branch":false,"change_id":"I3c719eba38a5ceb36689ebf0409bd19d4f46a609","change_number":3050,"patch_set_number":1,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"91b0c920e95e7f044fbd239478a19f23d828aad9":{"kind":"TRIVIAL_REBASE","_number":42,"created":"2021-04-20 08:37:38.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/42","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/42","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/42 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/42 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/42 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/42"}}},"commit":{"parents":[{"commit":"eb71c70cc4170295c5a53648321b6e84e3afbdc1","subject":"fix(bubblegum): import lib from the new correct place","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003deb71c70cc4170295c5a53648321b6e84e3afbdc1"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-20 08:37:35.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d91b0c920e95e7f044fbd239478a19f23d828aad9"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d91b0c920e95e7f044fbd239478a19f23d828aad9"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"eb71c70cc4170295c5a53648321b6e84e3afbdc1","is_merged_in_target_branch":false,"change_id":"I3c719eba38a5ceb36689ebf0409bd19d4f46a609","change_number":3050,"patch_set_number":2,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"034da0ea850d6c5233b635b2951c091a3b7f29b0":{"kind":"REWORK","_number":43,"created":"2021-04-20 10:17:16.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/43","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/43","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/43 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/43 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/43 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/43"}}},"commit":{"parents":[{"commit":"d2188b95af2610a3ac3c1e03abbb15984a1de010","subject":"feat(nix/utils): add storePathName, a more generic baseNameOf","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003dd2188b95af2610a3ac3c1e03abbb15984a1de010"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-20 10:16:54.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d034da0ea850d6c5233b635b2951c091a3b7f29b0"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d034da0ea850d6c5233b635b2951c091a3b7f29b0"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"d2188b95af2610a3ac3c1e03abbb15984a1de010","is_merged_in_target_branch":false,"change_id":"I2fcd97a150d6eda21ab323fa0d881ff7442a892e","change_number":3049,"patch_set_number":5,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"051a63797bee43e00d6e058959ef8e7df0c5b417":{"kind":"TRIVIAL_REBASE","_number":44,"created":"2021-04-25 21:33:47.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/44","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/44","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/44 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/44 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/44 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/44"}}},"commit":{"parents":[{"commit":"9c8b904b56951f5a47abcba1eefd6580b98aa470","subject":"docs(tvix): Begin specification of the Nix language","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d9c8b904b56951f5a47abcba1eefd6580b98aa470"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-04-25 20:59:02.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d051a63797bee43e00d6e058959ef8e7df0c5b417"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d051a63797bee43e00d6e058959ef8e7df0c5b417"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"9c8b904b56951f5a47abcba1eefd6580b98aa470","is_merged_in_target_branch":true,"change_id":"I6cd8eff6ec2daf14cc2420ee0a8e8983bfaa57d9","change_number":3052,"patch_set_number":4,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"750da2824e96e2eb1a411952c6b1857fcf3ec8b5":{"kind":"REWORK","_number":45,"created":"2021-07-11 19:07:28.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/45","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/45","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/45 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/45 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/45 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/45"}}},"commit":{"parents":[{"commit":"e00a7263fb78ef24e4f50d98f184de659555c2b0","subject":"feat(gs/emacs): Don\u0027t display info-level flycheck errors","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003de00a7263fb78ef24e4f50d98f184de659555c2b0"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-07-11 19:07:25.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d750da2824e96e2eb1a411952c6b1857fcf3ec8b5"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d750da2824e96e2eb1a411952c6b1857fcf3ec8b5"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"e00a7263fb78ef24e4f50d98f184de659555c2b0","is_merged_in_target_branch":true,"change_id":"I9ccfddcce9683184f2479ae1aa30a8414f7e7c51","change_number":3242,"patch_set_number":2,"change_status":"MERGED"}],"branch":"refs/heads/canon"},"6a5578226e1e333fb0730d0dddda28460a5d384c":{"kind":"REWORK","_number":46,"created":"2021-07-11 19:10:26.000000000","uploader":{"_account_id":1000034,"name":"sterni","email":"sternenseemann@systemli.org","username":"sterni"},"ref":"refs/changes/76/2576/46","fetch":{"anonymous http":{"url":"https://cl.tvl.fyi/depot","ref":"refs/changes/76/2576/46","commands":{"Checkout":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/46 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/46 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://cl.tvl.fyi/depot refs/changes/76/2576/46 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://cl.tvl.fyi/depot refs/changes/76/2576/46"}}},"commit":{"parents":[{"commit":"e00a7263fb78ef24e4f50d98f184de659555c2b0","subject":"feat(gs/emacs): Don\u0027t display info-level flycheck errors","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003de00a7263fb78ef24e4f50d98f184de659555c2b0"}]}],"author":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-02-28 18:48:03.000000000","tz":60},"committer":{"name":"sterni","email":"sternenseemann@systemli.org","date":"2021-07-11 19:10:24.000000000","tz":120},"subject":"feat(nix/buildC): pure nix build system for C","message":"feat(nix/buildC): pure nix build system for C\n\nbuildC is a build system for C libraries and programs plus attached test\nsuites implemented in Nix. Its main properties are that it builds every\nobject as an individual derivation, allowing nix to cache build results\nand detect the need for rebuilds. It also works with the plain C compiler,\nbintool and linker binaries instead of using the wrapper scripts found\nin nixpkgs and stdenv.\n\nThis is achieved by making relatively strong assumptions over the\ndirectory layout of the used and built libraries and passing around\nadditional meta data. We also don\u0027t support a lot of existing concepts\nor tooling for building C libraries and programs, for example there is\nno such thing as a configure phase in buildC.\n\nThere is some preliminary support for linking against libraries not\nbuilt using buildC in the form of buildC.libraryFromDrv. This is good\nenough to support musl and glibc and has also successfully used to link\nagainst simple libraries like libschrift and “heavier” ones like\nHarfBuzz. At some point it may be necessary to use a mechanism like\npkg-config or implement something similar ourselves (to avoid\nimport-from-derivation). Generating .pc files could also be worthwhile.\n\nAnother feature is relatively great flexiblity: buildC supports both the\nGCC and clang compiler toolchains, both musl and glibc (and\ntheoretically any other libc) and static as well as dynamic linking.\nTo prevent an unnecessarily large build and runtime closure all build\nsettings are applied to the entire dependency tree by overriding the\nbuildConf of every derivation depended on with the configuration of the\nderivation being built. The main need for this is of course static\nlinking: This way we make sure that every library is built as a static\narchive without requiring us to always build both a static and dynamic\nversion of the library. Additionally by preventing different libcs /\ncompilers being used we save on closure size both at run and build time\nalthough you may need to rebuild more often if you use different\nconfigurations for different derivations.\n\nOf course this overriding mechanism doesn\u0027t work for buildC.libraryFromDrv,\nbut these can specify a predicate which indicates if they are compatible\nwith the current buildConf. For example, using buildC.glibc for a static\nbuild will hit this predicate and fail at evaluation time.\n\nFurther work:\n\n* Implement generic overriding support similar to buildLisp\u0027s overrideLisp\n  or overrideAttrs\n\n* Cross compilation support. In theory this already should almost work,\n  but must be made convenient and requires some plumbing in the test\n  code and likely runExecline.\n\n* Collect more experience and fix upcoming issues: buildC works quite\n  well for a limited set of usecases I personally had. Likely I\u0027ll\n  encounter things in the future that should be supported, but aren\u0027t.\n\nChange-Id: Ic24efe6b05eb761e19e4434f689c73ea2d075605\n","web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d6a5578226e1e333fb0730d0dddda28460a5d384c"}],"resolve_conflicts_web_links":[{"name":"cgit","tooltip":"Open in GitWeb","url":"https://code.tvl.fyi/commit/?id\u003d6a5578226e1e333fb0730d0dddda28460a5d384c"}]},"parents_data":[{"branch_name":"refs/heads/canon","commit_id":"e00a7263fb78ef24e4f50d98f184de659555c2b0","is_merged_in_target_branch":true,"change_id":"I9ccfddcce9683184f2479ae1aa30a8414f7e7c51","change_number":3242,"patch_set_number":2,"change_status":"MERGED"}],"branch":"refs/heads/canon"}},"requirements":[],"submit_records":[],"submit_requirements":[]}