diff options
Diffstat (limited to 'pkgs/stdenv/adapters.nix')
-rw-r--r-- | pkgs/stdenv/adapters.nix | 111 |
1 files changed, 28 insertions, 83 deletions
diff --git a/pkgs/stdenv/adapters.nix b/pkgs/stdenv/adapters.nix index 662f3307b463..09c92b552d48 100644 --- a/pkgs/stdenv/adapters.nix +++ b/pkgs/stdenv/adapters.nix @@ -2,27 +2,20 @@ a new stdenv with different behaviour, e.g. using a different C compiler. */ -{dietlibc, fetchurl, runCommand}: - +pkgs: rec { # Override the compiler in stdenv for specific packages. - overrideGCC = stdenv: gcc: stdenv // - { mkDerivation = args: stdenv.mkDerivation (args // { NIX_GCC = gcc; }); - inherit gcc; - }; + overrideGCC = stdenv: gcc: stdenv.override { inherit gcc; }; # Add some arbitrary packages to buildInputs for specific packages. # Used to override packages in stdenv like Make. Should not be used # for other dependencies. - overrideInStdenv = stdenv: pkgs: stdenv // - { mkDerivation = args: stdenv.mkDerivation (args // - { buildInputs = args.buildInputs or [] ++ pkgs; } - ); - }; + overrideInStdenv = stdenv: pkgs: + stdenv.override (prev: { extraBuildInputs = prev.extraBuildInputs or [] ++ pkgs; }); # Override the setup script of stdenv. Useful for testing new @@ -33,7 +26,7 @@ rec { # randomPkg = import ../bla { ... # stdenv = overrideSetup stdenv ../stdenv/generic/setup-latest.sh; # }; - overrideSetup = stdenv: setup: stdenv.regenerate setup; + overrideSetup = stdenv: setupScript: stdenv.override { inherit setupScript; }; # Return a modified stdenv that uses dietlibc to create small @@ -57,13 +50,13 @@ rec { NIX_GCC = import ../build-support/gcc-wrapper { inherit stdenv; - libc = dietlibc; + libc = pkgs.dietlibc; inherit (stdenv.gcc) gcc binutils nativeTools nativePrefix; nativeLibc = false; }; }); isDietLibC = true; - } // {inherit fetchurl;}; + }; # Return a modified stdenv that uses klibc to create small @@ -80,7 +73,7 @@ rec { configureFlags = args.configureFlags or "" + " --disable-shared"; # brrr... - NIX_GCC = runCommand "klibc-wrapper" {} '' + NIX_GCC = pkgs.runCommand "klibc-wrapper" {} '' mkdir -p $out/bin ln -s ${klibc}/bin/klcc $out/bin/gcc ln -s ${klibc}/bin/klcc $out/bin/cc @@ -90,7 +83,7 @@ rec { }); isKlibc = true; isStatic = true; - } // {inherit fetchurl;}; + }; # Return a modified stdenv that tries to build statically linked @@ -103,7 +96,7 @@ rec { + " --disable-shared"; # brrr... }); isStatic = true; - } // {inherit fetchurl;}; + }; # Return a modified stdenv that builds static libraries instead of @@ -115,7 +108,7 @@ rec { toString args.configureFlags or "" + " --enable-static --disable-shared"; }); - } // {inherit fetchurl;}; + }; # Return a modified stdenv that adds a cross compiler to the @@ -194,76 +187,13 @@ rec { { mkDerivation = args: stdenv.mkDerivation (args // extraAttrs); }; - /* Return a modified stdenv that performs the build under $out/.build - instead of in $TMPDIR. Thus, the sources are kept available. - This is useful for things like debugging or generation of - dynamic analysis reports. */ - keepBuildTree = stdenv: - addAttrsToDerivation - { prePhases = "moveBuildDir"; - - moveBuildDir = - '' - mkdir -p $out/.build - cd $out/.build - ''; - } stdenv; - - - cleanupBuildTree = stdenv: - addAttrsToDerivation - { postPhases = "cleanupBuildDir"; - - # Get rid of everything that isn't a gcno file or a C source - # file. This also includes the gcda files; we're not - # interested in coverage resulting from the package's own test - # suite. Also strip the `.tmp_' prefix from gcno files. (The - # Linux kernel creates these.) - cleanupBuildDir = - '' - find $out/.build/ -type f -a ! \ - \( -name "*.c" -o -name "*.h" -o -name "*.gcno" \) \ - | xargs rm -f -- - - for i in $(find $out/.build/ -name ".tmp_*.gcno"); do - mv "$i" "$(echo $i | sed s/.tmp_//)" - done - ''; - } stdenv; - - /* Return a modified stdenv that builds packages with GCC's coverage instrumentation. The coverage note files (*.gcno) are stored in $out/.build, along with the source code of the package, to enable programs like lcov to produce pretty-printed reports. */ addCoverageInstrumentation = stdenv: - addAttrsToDerivation - { - postUnpack = - '' - # This is an uberhack to prevent libtool from removing gcno - # files. This has been fixed in libtool, but there are - # packages out there with old ltmain.sh scripts. - # See http://www.mail-archive.com/libtool@gnu.org/msg10725.html - for i in $(find -name ltmain.sh); do - substituteInPlace $i --replace '*.$objext)' '*.$objext | *.gcno)' - done - - export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -O0 --coverage" - ''; - } - - # Object files instrumented with coverage analysis write - # runtime coverage data to <path>/<object>.gcda, where <path> - # is the location where gcc originally created the object - # file. That would be /tmp/nix-build-<something>, which will - # be long gone by the time we run the program. Furthermore, - # the <object>.gcno files created at compile time are also - # written there. And to make nice coverage reports with lcov, - # we need the source code. So we have to use the - # `keepBuildTree' adapter as well. - (cleanupBuildTree (keepBuildTree stdenv)); + overrideInStdenv stdenv [ pkgs.enableGCOVInstrumentation pkgs.keepBuildTree ]; /* Replace the meta.maintainers field of a derivation. This is useful @@ -277,7 +207,7 @@ rec { */ replaceMaintainersField = stdenv: pkgs: maintainers: stdenv // { mkDerivation = args: - pkgs.lib.recursiveUpdate + stdenv.lib.recursiveUpdate (stdenv.mkDerivation args) { meta.maintainers = maintainers; }; }; @@ -354,4 +284,19 @@ rec { }); }; + + /* Modify a stdenv so that it uses the Gold linker. FIXME: should + use -fuse-ld=gold instead, but then the ld-wrapper won't be + invoked. */ + useGoldLinker = stdenv: + let + binutils = stdenv.gcc.binutils; + binutils' = pkgs.runCommand "${binutils.name}-gold" { } + '' + mkdir -p $out/bin + ln -s ${binutils}/bin/* $out/bin/ + ln -sfn ${binutils}/bin/ld.gold $out/bin/ld + ''; # */ + in overrideGCC stdenv (stdenv.gcc.override { binutils = binutils'; }); + } |