{"action":"created","issue":{"url":"https://api.github.com/repos/NixOS/nixpkgs/issues/6942","labels_url":"https://api.github.com/repos/NixOS/nixpkgs/issues/6942/labels{/name}","comments_url":"https://api.github.com/repos/NixOS/nixpkgs/issues/6942/comments","events_url":"https://api.github.com/repos/NixOS/nixpkgs/issues/6942/events","html_url":"https://github.com/NixOS/nixpkgs/pull/6942","id":63606406,"number":6942,"title":"libcxx[abi]: use clang-override stdenv to build","user":{"login":"gridaphobe","id":201997,"avatar_url":"https://avatars.githubusercontent.com/u/201997?v=3","gravatar_id":"","url":"https://api.github.com/users/gridaphobe","html_url":"https://github.com/gridaphobe","followers_url":"https://api.github.com/users/gridaphobe/followers","following_url":"https://api.github.com/users/gridaphobe/following{/other_user}","gists_url":"https://api.github.com/users/gridaphobe/gists{/gist_id}","starred_url":"https://api.github.com/users/gridaphobe/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gridaphobe/subscriptions","organizations_url":"https://api.github.com/users/gridaphobe/orgs","repos_url":"https://api.github.com/users/gridaphobe/repos","events_url":"https://api.github.com/users/gridaphobe/events{/privacy}","received_events_url":"https://api.github.com/users/gridaphobe/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/NixOS/nixpkgs/labels/blocker","name":"blocker","color":"e11d21"},{"url":"https://api.github.com/repos/NixOS/nixpkgs/labels/darwin","name":"darwin","color":"5319e7"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":13,"created_at":"2015-03-23T02:31:17Z","updated_at":"2015-03-24T13:16:26Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/NixOS/nixpkgs/pulls/6942","html_url":"https://github.com/NixOS/nixpkgs/pull/6942","diff_url":"https://github.com/NixOS/nixpkgs/pull/6942.diff","patch_url":"https://github.com/NixOS/nixpkgs/pull/6942.patch"},"body":"This fixes the error described by #6934.\r\n\r\nPinging @shlevy before committing upstream because I don't see why this would fix anything..."},"comment":{"url":"https://api.github.com/repos/NixOS/nixpkgs/issues/comments/85488948","html_url":"https://github.com/NixOS/nixpkgs/pull/6942#issuecomment-85488948","issue_url":"https://api.github.com/repos/NixOS/nixpkgs/issues/6942","id":85488948,"user":{"login":"edolstra","id":1148549,"avatar_url":"https://avatars.githubusercontent.com/u/1148549?v=3","gravatar_id":"","url":"https://api.github.com/users/edolstra","html_url":"https://github.com/edolstra","followers_url":"https://api.github.com/users/edolstra/followers","following_url":"https://api.github.com/users/edolstra/following{/other_user}","gists_url":"https://api.github.com/users/edolstra/gists{/gist_id}","starred_url":"https://api.github.com/users/edolstra/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/edolstra/subscriptions","organizations_url":"https://api.github.com/users/edolstra/orgs","repos_url":"https://api.github.com/users/edolstra/repos","events_url":"https://api.github.com/users/edolstra/events{/privacy}","received_events_url":"https://api.github.com/users/edolstra/received_events","type":"User","site_admin":false},"created_at":"2015-03-24T13:16:26Z","updated_at":"2015-03-24T13:16:26Z","body":"It's slightly different:\r\n```\r\nnix-build -A stdenv\r\nthese derivations will be built:\r\n  /nix/store/jgcpz1n5c9zvl72504w1v3hn40505r58-libc++abi-3.6.0.drv\r\n  /nix/store/r0flzl29lzx421yqh067hyikqvd97acq-libc++-3.6.0.drv\r\n  /nix/store/z71pw1gv9c91kk5mgl476bgb9d94mxx1-cctools-port-862.drv\r\n  /nix/store/ag07q8vvmgzfs3135z9r2kb3j32g2zx3-clang-wrapper-wrapper-3.6.0.drv\r\n  /nix/store/yqaaxcjhcg7wfsraflz4n0byali1avrd-stdenv-darwin-boot-3.drv\r\nbuilding path(s) ‘/nix/store/r1k8bzljcpfk9af6v7wmhw1s8h972xjq-libc++abi-3.6.0’\r\nunpacking sources\r\nunpacking source archive /nix/store/ay21kc17akv991dsaac0i5j0jpvlc522-libcxxabi-3.6.0.src.tar.xz\r\nsource root is libcxxabi-3.6.0.src\r\nunpacking source archive /nix/store/4cvrfp8dcqfcqk3w7nkxpbbw0r735yv0-libcxx-3.6.0.src.tar.xz\r\nunpacking source archive /nix/store/kpka13b52vj6kcnwnq5dcglr874cff0g-llvm-3.6.0.src.tar.xz\r\npatching sources\r\nconfiguring\r\nfixing cmake files...\r\ncmake flags: -DCMAKE_BUILD_TYPE=Release -DCMAKE_SKIP_BUILD_RPATH=ON -DCMAKE_INSTALL_PREFIX=/nix/store/r1k8bzljcpfk9af6v7wmhw1s8h972xjq-libc++abi-3.6.0 -DLLVM_PATH=/private/tmp/nix-build-libc++abi-3.6.0.drv-6/llvm-3.6.0.src -DLIBCXXABI_LIBCXX_INCLUDES=/private/tmp/nix-build-libc++abi-3.6.0.drv-6/libcxx-3.6.0.src/include \r\nCMake Error: CMake was unable to find a build program corresponding to \"Unix Makefiles\".  CMAKE_MAKE_PROGRAM is not set.  You probably need to select a different build tool.\r\nCMake Error: Error required internal CMake variable not set, cmake may be not be built correctly.\r\nMissing variable is:\r\nCMAKE_C_COMPILER_ENV_VAR\r\nCMake Error: Error required internal CMake variable not set, cmake may be not be built correctly.\r\nMissing variable is:\r\nCMAKE_C_COMPILER\r\nCMake Error: Could not find cmake module file: /tmp/nix-build-libc++abi-3.6.0.drv-6/libcxxabi-3.6.0.src/build/CMakeFiles/3.2.1/CMakeCCompiler.cmake\r\nCMake Error: Error required internal CMake variable not set, cmake may be not be built correctly.\r\nMissing variable is:\r\nCMAKE_CXX_COMPILER_ENV_VAR\r\nCMake Error: Error required internal CMake variable not set, cmake may be not be built correctly.\r\nMissing variable is:\r\nCMAKE_CXX_COMPILER\r\nCMake Error: Could not find cmake module file: /tmp/nix-build-libc++abi-3.6.0.drv-6/libcxxabi-3.6.0.src/build/CMakeFiles/3.2.1/CMakeCXXCompiler.cmake\r\nCMake Error at CMakeLists.txt:8 (project):\r\n  No CMAKE_C_COMPILER could be found.\r\n\r\n  Tell CMake where to find the compiler by setting the CMake cache entry\r\n  CMAKE_C_COMPILER to the full path to the compiler, or to the compiler name\r\n  if it is in the PATH.\r\n\r\n\r\nCMake Error at CMakeLists.txt:8 (project):\r\n  No CMAKE_CXX_COMPILER could be found.\r\n\r\n  Tell CMake where to find the compiler by setting the CMake cache entry\r\n  CMAKE_CXX_COMPILER to the full path to the compiler, or to the compiler\r\n  name if it is in the PATH.\r\n\r\n\r\nCMake Error: CMAKE_C_COMPILER not set, after EnableLanguage\r\nCMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage\r\n-- Configuring incomplete, errors occurred!\r\nbuilder for ‘/nix/store/jgcpz1n5c9zvl72504w1v3hn40505r58-libc++abi-3.6.0.drv’ failed with exit code 1\r\ncannot build derivation ‘/nix/store/z71pw1gv9c91kk5mgl476bgb9d94mxx1-cctools-port-862.drv’: 1 dependencies couldn't be built\r\ncannot build derivation ‘/nix/store/r0flzl29lzx421yqh067hyikqvd97acq-libc++-3.6.0.drv’: 1 dependencies couldn't be built\r\ncannot build derivation ‘/nix/store/ag07q8vvmgzfs3135z9r2kb3j32g2zx3-clang-wrapper-wrapper-3.6.0.drv’: 1 dependencies couldn't be built\r\ncannot build derivation ‘/nix/store/yqaaxcjhcg7wfsraflz4n0byali1avrd-stdenv-darwin-boot-3.drv’: 1 dependencies couldn't be built\r\nerror: build of ‘/nix/store/yqaaxcjhcg7wfsraflz4n0byali1avrd-stdenv-darwin-boot-3.drv’ failed\r\n```"}}