mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-12-29 14:57:28 +03:00
625d7b9043
This includes a lot of fixes for cross-building to Windows and Mac OS X and could possibly fix things even for non-cross-builds, like for example OpenSSL on Windows. The main reason for merging this in 14.04 already is that we already have runInWindowsVM in master and it doesn't work until we actually cross-build Cygwin's setup binary as the upstream version is a fast moving target which gets _overwritten_ on every new release. Conflicts: pkgs/top-level/all-packages.nix
120 lines
3.6 KiB
Bash
120 lines
3.6 KiB
Bash
source $stdenv/setup
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mkdir $out
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mkdir $out/bin
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mkdir $out/nix-support
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# Force gcc to use ld-wrapper.sh when calling ld.
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cflagsCompile="-B$out/bin/"
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if test -z "$nativeLibc"; then
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cflagsCompile="$cflagsCompile -B$gccLibs/lib -B$libc/lib/ -isystem $libc/include"
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ldflags="$ldflags -L$libc/lib"
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# Get the proper dynamic linker for glibc and uclibc.
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dlinker=`eval 'echo $libc/lib/ld*.so.?'`
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if [ -n "$dlinker" ]; then
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ldflagsBefore="-dynamic-linker $dlinker"
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# The same as above, but put into files, useful for the gcc builder.
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echo $dlinker > $out/nix-support/dynamic-linker
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# This trick is to avoid dependencies on the cross-toolchain gcc
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# for libgcc, libstdc++, ...
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# -L is for libtool's .la files, and -rpath for the usual fixupPhase
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# shrinking rpaths.
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if [ -n "$gccLibs" ]; then
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ldflagsBefore="$ldflagsBefore -rpath $gccLibs/lib"
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fi
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fi
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if [ -n "$osxMinVersion" ]; then
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cflagsCompile="$cflagsCompile -mmacosx-version-min=$osxMinVersion"
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fi
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echo "$cflagsCompile -B$libc/lib/ -idirafter $libc/include -idirafter $gcc/lib/gcc/*/*/include-fixed" > $out/nix-support/libc-cflags
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echo "-L$libc/lib -rpath $libc/lib -rpath-link $libc/lib" > $out/nix-support/libc-ldflags
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# The dynamic linker is passed in `ldflagsBefore' to allow
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# explicit overrides of the dynamic linker by callers to gcc/ld
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# (the *last* value counts, so ours should come first).
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echo "$ldflagsBefore" > $out/nix-support/libc-ldflags-before
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fi
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if test -n "$nativeTools"; then
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gccPath="$nativePrefix/bin"
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ldPath="$nativePrefix/bin"
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else
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ldflags="$ldflags -L$gcc/lib -L$gcc/lib64"
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gccPath="$gcc/bin"
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ldPath="$binutils/$crossConfig/bin"
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fi
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doSubstitute() {
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local src=$1
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local dst=$2
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substitute "$src" "$dst" \
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--subst-var "out" \
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--subst-var "shell" \
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--subst-var "gcc" \
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--subst-var "gccProg" \
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--subst-var "binutils" \
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--subst-var "libc" \
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--subst-var "cflagsCompile" \
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--subst-var "cflagsLink" \
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--subst-var "ldflags" \
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--subst-var "ldflagsBefore" \
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--subst-var "ldPath" \
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--subst-var-by "ld" "$ldPath/ld"
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}
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# Make wrapper scripts around gcc, g++, and g77. Also make symlinks
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# cc, c++, and f77.
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mkGccWrapper() {
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local dst=$1
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local src=$2
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if ! test -f "$src"; then
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echo "$src does not exist (skipping)"
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return
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fi
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gccProg="$src"
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doSubstitute "$gccWrapper" "$dst"
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chmod +x "$dst"
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}
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mkGccWrapper $out/bin/$crossConfig-gcc $gccPath/$crossConfig-gcc
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#ln -s gcc $out/bin/cc
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mkGccWrapper $out/bin/$crossConfig-g++ $gccPath/$crossConfig-g++
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ln -s $crossConfig-g++ $out/bin/$crossConfig-c++
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mkGccWrapper $out/bin/$crossConfig-cpp $gccPath/$crossConfig-cpp
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mkGccWrapper $out/bin/$crossConfig-g77 $gccPath/$crossConfig-g77
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ln -s $crossConfig-g77 $out/bin/$crossConfig-f77
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ln -s $binutils/bin/$crossConfig-ar $out/bin/$crossConfig-ar
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ln -s $binutils/bin/$crossConfig-as $out/bin/$crossConfig-as
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ln -s $binutils/bin/$crossConfig-nm $out/bin/$crossConfig-nm
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ln -s $binutils/bin/$crossConfig-strip $out/bin/$crossConfig-strip
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# Make a wrapper around the linker.
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doSubstitute "$ldWrapper" "$out/bin/$crossConfig-ld"
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chmod +x "$out/bin/$crossConfig-ld"
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# Emit a setup hook. Also store the path to the original GCC and
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# Glibc.
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test -n "$gcc" && echo $gcc > $out/nix-support/orig-gcc
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test -n "$libc" && echo $libc > $out/nix-support/orig-libc
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doSubstitute "$addFlags" "$out/nix-support/add-flags"
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doSubstitute "$setupHook" "$out/nix-support/setup-hook"
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cp -p $utils $out/nix-support/utils
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