mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-12-27 22:03:54 +03:00
cc-wrapper: Leverage the setup script instead of buildCommand
This commit is contained in:
John Ericson
John Ericson
parent
dc47e763c1
commit
df7c305c4c
@ -112,7 +112,14 @@ stdenv.mkDerivation {
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'';
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};
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buildCommand =
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dontBuild = true;
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dontConfigure = true;
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unpackPhase = ''
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src=$PWD
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'';
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installPhase =
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''
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set -u
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@ -127,103 +134,16 @@ stdenv.mkDerivation {
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}
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''
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+ optionalString (libc != null) (''
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if [[ -z ''${dynamicLinker+x} ]]; then
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echo "Don't know the name of the dynamic linker for platform '${targetPlatform.config}', so guessing instead." >&2
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dynamicLinker="${libc_lib}/lib/ld*.so.?"
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fi
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# Expand globs to fill array of options
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dynamicLinker=($dynamicLinker)
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case ''${#dynamicLinker[@]} in
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0) echo "No dynamic linker found for platform '${targetPlatform.config}'." >&2;;
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1) echo "Using dynamic linker: '$dynamicLinker'" >&2;;
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*) echo "Multiple dynamic linkers found for platform '${targetPlatform.config}'." >&2;;
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esac
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if [ -n "$dynamicLinker" ]; then
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echo $dynamicLinker > $out/nix-support/dynamic-linker
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'' + (if targetPlatform.isDarwin then ''
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printf "export LD_DYLD_PATH=%q\n" "$dynamicLinker" >> $out/nix-support/setup-hook
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'' else ''
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if [ -e ${libc_lib}/lib/32/ld-linux.so.2 ]; then
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echo ${libc_lib}/lib/32/ld-linux.so.2 > $out/nix-support/dynamic-linker-m32
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fi
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ldflagsBefore=(-dynamic-linker "$dynamicLinker")
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'') + ''
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fi
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# The dynamic linker is passed in `ldflagsBefore' to allow
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# explicit overrides of the dynamic linker by callers to gcc/ld
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# (the *last* value counts, so ours should come first).
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printWords "''${ldflagsBefore[@]}" > $out/nix-support/libc-ldflags-before
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'')
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+ optionalString (libc != null) ''
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# The "-B${libc_lib}/lib/" flag is a quick hack to force gcc to link
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# against the crt1.o from our own glibc, rather than the one in
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# /usr/lib. (This is only an issue when using an `impure'
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# compiler/linker, i.e., one that searches /usr/lib and so on.)
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#
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# Unfortunately, setting -B appears to override the default search
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# path. Thus, the gcc-specific "../includes-fixed" directory is
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# now longer searched and glibc's <limits.h> header fails to
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# compile, because it uses "#include_next <limits.h>" to find the
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# limits.h file in ../includes-fixed. To remedy the problem,
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# another -idirafter is necessary to add that directory again.
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echo "-B${libc_lib}/lib/ -idirafter ${libc_dev}/include -idirafter ${cc}/lib/gcc/*/*/include-fixed" > $out/nix-support/libc-cflags
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echo "-L${libc_lib}/lib" > $out/nix-support/libc-ldflags
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echo "${libc_lib}" > $out/nix-support/orig-libc
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echo "${libc_dev}" > $out/nix-support/orig-libc-dev
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''
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+ (if nativeTools then ''
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echo ${if targetPlatform.isDarwin then cc else nativePrefix} > $out/nix-support/orig-cc
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ccPath="${if targetPlatform.isDarwin then cc else nativePrefix}/bin"
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ldPath="${nativePrefix}/bin"
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'' else ''
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echo $cc > $out/nix-support/orig-cc
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# GCC shows ${cc_solib}/lib in `gcc -print-search-dirs', but not
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# ${cc_solib}/lib64 (even though it does actually search there...)..
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# This confuses libtool. So add it to the compiler tool search
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# path explicitly.
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if [ -e "${cc_solib}/lib64" -a ! -L "${cc_solib}/lib64" ]; then
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ccLDFlags+=" -L${cc_solib}/lib64"
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ccCFlags+=" -B${cc_solib}/lib64"
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fi
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ccLDFlags+=" -L${cc_solib}/lib"
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ccCFlags+=" -B${cc_solib}/lib"
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${optionalString cc.langVhdl or false ''
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ccLDFlags+=" -L${zlib.out}/lib"
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''}
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# Find the gcc libraries path (may work only without multilib).
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${optionalString cc.langAda or false ''
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basePath=`echo ${cc_solib}/lib/*/*/*`
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ccCFlags+=" -B$basePath -I$basePath/adainclude"
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gnatCFlags="-aI$basePath/adainclude -aO$basePath/adalib"
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echo "$gnatCFlags" > $out/nix-support/gnat-cflags
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''}
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echo "$ccLDFlags" > $out/nix-support/cc-ldflags
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echo "$ccCFlags" > $out/nix-support/cc-cflags
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ccPath="${cc}/bin"
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ldPath="${binutils_bin}/bin"
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# Propagate the wrapped cc so that if you install the wrapper,
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# you get tools like gcov, the manpages, etc. as well (including
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# for binutils and Glibc).
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printWords ${cc} ${binutils_bin} ${if libc == null then "" else libc_bin} > $out/nix-support/propagated-user-env-packages
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printWords ${cc.man or ""} > $man/nix-support/propagated-user-env-packages
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printWords ${toString extraPackages} > $out/nix-support/propagated-native-build-inputs
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''
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+ optionalString (targetPlatform.isSunOS && nativePrefix != "") ''
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@ -314,12 +234,126 @@ stdenv.mkDerivation {
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+ optionalString cc.langVhdl or false ''
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ln -s $ccPath/${prefix}ghdl $out/bin/${prefix}ghdl
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'';
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propagatedBuildInputs = extraPackages;
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setupHook = ./setup-hook.sh;
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postFixup =
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''
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set -u
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''
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+ optionalString (libc != null) (''
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##
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## General libc support
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##
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# The "-B${libc_lib}/lib/" flag is a quick hack to force gcc to link
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# against the crt1.o from our own glibc, rather than the one in
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# /usr/lib. (This is only an issue when using an `impure'
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# compiler/linker, i.e., one that searches /usr/lib and so on.)
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#
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# Unfortunately, setting -B appears to override the default search
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# path. Thus, the gcc-specific "../includes-fixed" directory is
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# now longer searched and glibc's <limits.h> header fails to
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# compile, because it uses "#include_next <limits.h>" to find the
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# limits.h file in ../includes-fixed. To remedy the problem,
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# another -idirafter is necessary to add that directory again.
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echo "-B${libc_lib}/lib/ -idirafter ${libc_dev}/include -idirafter ${cc}/lib/gcc/*/*/include-fixed" > $out/nix-support/libc-cflags
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echo "-L${libc_lib}/lib" > $out/nix-support/libc-ldflags
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echo "${libc_lib}" > $out/nix-support/orig-libc
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echo "${libc_dev}" > $out/nix-support/orig-libc-dev
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##
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## Dynamic linker support
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##
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if [[ -z ''${dynamicLinker+x} ]]; then
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echo "Don't know the name of the dynamic linker for platform '${targetPlatform.config}', so guessing instead." >&2
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local dynamicLinker="${libc_lib}/lib/ld*.so.?"
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fi
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# Expand globs to fill array of options
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dynamicLinker=($dynamicLinker)
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case ''${#dynamicLinker[@]} in
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0) echo "No dynamic linker found for platform '${targetPlatform.config}'." >&2;;
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1) echo "Using dynamic linker: '$dynamicLinker'" >&2;;
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*) echo "Multiple dynamic linkers found for platform '${targetPlatform.config}'." >&2;;
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esac
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if [ -n "$dynamicLinker" ]; then
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echo $dynamicLinker > $out/nix-support/dynamic-linker
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'' + (if targetPlatform.isDarwin then ''
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printf "export LD_DYLD_PATH=%q\n" "$dynamicLinker" >> $out/nix-support/setup-hook
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'' else ''
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if [ -e ${libc_lib}/lib/32/ld-linux.so.2 ]; then
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echo ${libc_lib}/lib/32/ld-linux.so.2 > $out/nix-support/dynamic-linker-m32
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fi
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local ldflagsBefore=(-dynamic-linker "$dynamicLinker")
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'') + ''
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fi
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# The dynamic linker is passed in `ldflagsBefore' to allow
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# explicit overrides of the dynamic linker by callers to gcc/ld
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# (the *last* value counts, so ours should come first).
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printWords "''${ldflagsBefore[@]}" > $out/nix-support/libc-ldflags-before
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'')
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+ optionalString (!nativeTools) ''
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##
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## Initial CFLAGS
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##
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# GCC shows ${cc_solib}/lib in `gcc -print-search-dirs', but not
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# ${cc_solib}/lib64 (even though it does actually search there...)..
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# This confuses libtool. So add it to the compiler tool search
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# path explicitly.
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if [ -e "${cc_solib}/lib64" -a ! -L "${cc_solib}/lib64" ]; then
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ccLDFlags+=" -L${cc_solib}/lib64"
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ccCFlags+=" -B${cc_solib}/lib64"
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fi
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ccLDFlags+=" -L${cc_solib}/lib"
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ccCFlags+=" -B${cc_solib}/lib"
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${optionalString cc.langVhdl or false ''
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ccLDFlags+=" -L${zlib.out}/lib"
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''}
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# Find the gcc libraries path (may work only without multilib).
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${optionalString cc.langAda or false ''
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basePath=`echo ${cc_solib}/lib/*/*/*`
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ccCFlags+=" -B$basePath -I$basePath/adainclude"
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gnatCFlags="-aI$basePath/adainclude -aO$basePath/adalib"
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echo "$gnatCFlags" > $out/nix-support/gnat-cflags
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''}
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echo "$ccLDFlags" > $out/nix-support/cc-ldflags
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echo "$ccCFlags" > $out/nix-support/cc-cflags
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##
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## User env support
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##
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# Propagate the wrapped cc so that if you install the wrapper,
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# you get tools like gcov, the manpages, etc. as well (including
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# for binutils and Glibc).
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printWords ${cc} ${binutils_bin} ${if libc == null then "" else libc_bin} > $out/nix-support/propagated-user-env-packages
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printWords ${cc.man or ""} > $man/nix-support/propagated-user-env-packages
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''
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+ ''
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substituteAll ${./setup-hook.sh} $out/nix-support/setup-hook.tmp
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cat $out/nix-support/setup-hook.tmp >> $out/nix-support/setup-hook
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rm $out/nix-support/setup-hook.tmp
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##
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## Hardening support
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##
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# some linkers on some platforms don't support specific -z flags
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export hardening_unsupported_flags=""
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@ -339,6 +373,11 @@ stdenv.mkDerivation {
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substituteAll ${./add-flags.sh} $out/nix-support/add-flags.sh
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substituteAll ${./add-hardening.sh} $out/nix-support/add-hardening.sh
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substituteAll ${./utils.sh} $out/nix-support/utils.sh
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##
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## Extra custom steps
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##
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''
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+ extraBuildCommands;
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