forked from rarias/bscpkgs
cpic: Compilation ok but fails to run
This commit is contained in:
Rodrigo Arias
296
bsc/cc-wrapper-bbg/default.nix
Normal file
296
bsc/cc-wrapper-bbg/default.nix
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@@ -0,0 +1,296 @@
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# The Nixpkgs CC is not directly usable, since it doesn't know where
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# the C library and standard header files are. Therefore the compiler
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# produced by that package cannot be installed directly in a user
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# environment and used from the command line. So we use a wrapper
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# script that sets up the right environment variables so that the
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# compiler and the linker just "work".
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{ name ? "", stdenv, nativeTools, nativeLibc, nativePrefix ? ""
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, cc ? null, libc ? null, binutils ? null, coreutils ? null, shell ? stdenv.shell
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, zlib ? null, extraPackages ? [], extraBuildCommands ? ""
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, dyld ? null # TODO: should this be a setup-hook on dyld?
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, isGNU ? false, isClang ? cc.isClang or false
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}:
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with stdenv.lib;
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assert cc.isClangWithOmpss;
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assert nativeTools -> nativePrefix != "";
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assert !nativeTools -> cc != null && binutils != null && coreutils != null;
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assert !nativeLibc -> libc != null;
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# For ghdl (the vhdl language provider to gcc) we need zlib in the wrapper.
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assert cc.langVhdl or false -> zlib != null;
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let
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ccVersion = (builtins.parseDrvName cc.name).version;
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ccName = (builtins.parseDrvName cc.name).name;
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in
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stdenv.mkDerivation {
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name = "THE-wrapper";
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#name = "${cc.name}-wrapper-${cc.version}";
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#name = (if name != "" then name else ccName + "-wrapper") +
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# (if cc != null && ccVersion != "" then "-" + ccVersion else "");
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preferLocalBuild = true;
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inherit cc shell;
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cc_dir = cc;
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libc = if nativeLibc then null else libc;
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binutils = if nativeTools then null else binutils;
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# The wrapper scripts use 'cat', so we may need coreutils.
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coreutils = if nativeTools then null else coreutils;
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passthru = { inherit nativeTools nativeLibc nativePrefix isGNU isClang; };
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buildCommand =
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''
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mkdir -p $out/bin $out/nix-support
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wrap() {
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local dst="$1"
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local wrapper="$2"
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export prog="$3"
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substituteAll "$wrapper" "$out/bin/$dst"
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chmod +x "$out/bin/$dst"
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}
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''
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+ optionalString (!nativeLibc) (if (!stdenv.isDarwin) then ''
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dynamicLinker="$libc/lib/$dynamicLinker"
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echo $dynamicLinker > $out/nix-support/dynamic-linker
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if [ -e $libc/lib/32/ld-linux.so.2 ]; then
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echo $libc/lib/32/ld-linux.so.2 > $out/nix-support/dynamic-linker-m32
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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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echo "-dynamic-linker" $dynamicLinker > $out/nix-support/libc-ldflags-before
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'' else ''
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echo $dynamicLinker > $out/nix-support/dynamic-linker
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echo "export LD_DYLD_PATH=\"$dynamicLinker\"" >> $out/nix-support/setup-hook
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'')
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+ optionalString (!nativeLibc) ''
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# The "-B$libc/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/ -idirafter $libc/include -idirafter $cc/lib/gcc/*/*/include-fixed" > $out/nix-support/libc-cflags
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echo "-L$libc/lib" > $out/nix-support/libc-ldflags
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echo $libc > $out/nix-support/orig-libc
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''
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+ (if nativeTools then ''
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ccPath="${if stdenv.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/lib in `gcc -print-search-dirs', but not
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# $cc/lib64 (even though it does actually search there...)..
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# This confuses libtool. So add it to the compiler tool search
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# path explicitly.
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if [ -e "$cc/lib64" -a ! -L "$cc/lib64" ]; then
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ccLDFlags+=" -L$cc/lib64"
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ccCFlags+=" -B$cc/lib64"
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fi
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ccLDFlags+=" -L$cc/lib"
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${optionalString cc.langVhdl or false ''
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ccLDFlags+=" -L${zlib}/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 $cc/lib/*/*/*`
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ccCFlags+=" -B$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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if [ -e $ccPath/clang ]; then
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# Need files like crtbegin.o from gcc
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# It's unclear if these will ever be provided by an LLVM project
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ccCFlags="$ccCFlags -B$basePath"
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ccCFlags="$ccCFlags -isystem$cc/lib/clang/$ccVersion/include"
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fi
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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"
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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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echo $cc $binutils $libc > $out/nix-support/propagated-user-env-packages
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echo ${toString extraPackages} > $out/nix-support/propagated-native-build-inputs
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''
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+ optionalString (stdenv.isSunOS && nativePrefix != "") ''
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# Solaris needs an additional ld wrapper.
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ldPath="${nativePrefix}/bin"
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ld="$out/bin/ld-solaris"
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wrap ld-solaris ${./ld-solaris-wrapper.sh}
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'')
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+ ''
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# Create a symlink to as (the assembler). This is useful when a
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# cc-wrapper is installed in a user environment, as it ensures that
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# the right assembler is called.
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if [ -e $ldPath/as ]; then
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ln -s $ldPath/as $out/bin/as
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fi
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wrap ld ${./ld-wrapper.sh} ''${ld:-$ldPath/ld}
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if [ -e $binutils/bin/ld.gold ]; then
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wrap ld.gold ${./ld-wrapper.sh} $binutils/bin/ld.gold
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fi
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if [ -e $binutils/bin/ld.bfd ]; then
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wrap ld.bfd ${./ld-wrapper.sh} $binutils/bin/ld.bfd
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fi
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export real_cc=cc
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export real_cxx=c++
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export default_cxx_stdlib_compile="${
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if stdenv.isLinux && !(cc.isGNU or false)
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then "-isystem $(echo -n ${cc.gcc}/include/c++/*) -isystem $(echo -n ${cc.gcc}/include/c++/*)/$(${cc.gcc}/bin/gcc -dumpmachine)"
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else ""
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}"
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if [ -e $ccPath/gcc ]; then
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wrap gcc ${./cc-wrapper.sh} $ccPath/gcc
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ln -s gcc $out/bin/cc
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export real_cc=gcc
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export real_cxx=g++
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elif [ -a $ccPath/icc ]; then
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wrap icc ${./cc-wrapper.sh} $ccPath/icc
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ln -s icc $out/bin/cc
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export real_cc=icc
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elif [ -e $ccPath/clang ]; then
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wrap clang ${./cc-wrapper.sh} $ccPath/clang
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ln -s clang $out/bin/cc
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fi
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if [ -e $ccPath/g++ ]; then
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wrap g++ ${./cc-wrapper.sh} $ccPath/g++
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ln -s g++ $out/bin/c++
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elif [ -e $ccPath/icpc ]; then
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wrap icpc ${./cc-wrapper.sh} $ccPath/icpc
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ln -s icpc $out/bin/c++
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elif [ -e $ccPath/clang++ ]; then
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wrap clang++ ${./cc-wrapper.sh} $ccPath/clang++
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ln -s clang++ $out/bin/c++
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fi
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if [ -e $ccPath/cpp ]; then
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wrap cpp ${./cc-wrapper.sh} $ccPath/cpp
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fi
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''
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+ optionalString cc.langFortran or false ''
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if [ -e $ccPath/gfortran ]; then
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wrap gfortran ${./cc-wrapper.sh} $ccPath/gfortran
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ln -sv gfortran $out/bin/g77
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ln -sv gfortran $out/bin/f77
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elif [ -e $ccPath/ifort ]; then
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wrap ifort ${./cc-wrapper.sh} $ccPath/ifort
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ln -sv ifort $out/bin/gfortran
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ln -sv ifort $out/bin/g77
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ln -sv ifort $out/bin/f77
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fi
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''
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+ optionalString cc.langJava or false ''
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wrap gcj ${./cc-wrapper.sh} $ccPath/gcj
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''
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+ optionalString cc.langGo or false ''
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wrap gccgo ${./cc-wrapper.sh} $ccPath/gccgo
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''
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+ optionalString cc.langAda or false ''
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wrap gnatgcc ${./cc-wrapper.sh} $ccPath/gnatgcc
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wrap gnatmake ${./gnat-wrapper.sh} $ccPath/gnatmake
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wrap gnatbind ${./gnat-wrapper.sh} $ccPath/gnatbind
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wrap gnatlink ${./gnatlink-wrapper.sh} $ccPath/gnatlink
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''
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+ optionalString cc.langVhdl or false ''
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ln -s $ccPath/ghdl $out/bin/ghdl
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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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substituteAll ${./add-flags} $out/nix-support/add-flags.sh
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cp -p ${./utils.sh} $out/nix-support/utils.sh
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''
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+ extraBuildCommands;
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crossAttrs = {};
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# crossAttrs = {
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# shell = shell.crossDrv + shell.crossDrv.shellPath;
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# libc = stdenv.ccCross.libc;
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# coreutils = coreutils.crossDrv;
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# binutils = binutils.crossDrv;
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# cc = cc.crossDrv;
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# #
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# # This is not the best way to do this. I think the reference should be
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# # the style in the gcc-cross-wrapper, but to keep a stable stdenv now I
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# # do this sufficient if/else.
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# dynamicLinker =
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# (if stdenv.cross.arch == "arm" then "ld-linux.so.3" else
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# if stdenv.cross.arch == "mips" then "ld.so.1" else
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# if stdenv.lib.hasSuffix "pc-gnu" stdenv.cross.config then "ld.so.1" else
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# abort "don't know the name of the dynamic linker for this platform");
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# };
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# The dynamic linker has different names on different Linux platforms.
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dynamicLinker =
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if !nativeLibc then
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(if stdenv.system == "i686-linux" then "ld-linux.so.2" else
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if stdenv.system == "x86_64-linux" then "ld-linux-x86-64.so.2" else
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if stdenv.system == "powerpc64-linux" then "ld64.so.1" else
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# ARM with a wildcard, which can be "" or "-armhf".
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if stdenv.isArm then "ld-linux*.so.3" else
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if stdenv.system == "powerpc-linux" then "ld.so.1" else
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if stdenv.system == "mips64el-linux" then "ld.so.1" else
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if stdenv.system == "x86_64-darwin" then "/usr/lib/dyld" else
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abort "Don't know the name of the dynamic linker for this platform.")
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else "";
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meta =
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let cc_ = if cc != null then cc else {}; in
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(if cc_ ? meta then removeAttrs cc.meta ["priority"] else {}) //
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{ description =
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stdenv.lib.attrByPath ["meta" "description"] "System C compiler" cc_
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+ " (wrapper script)";
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};
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}
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