forked from M-Labs/zynq-rs
61 lines
1.6 KiB
Nix
61 lines
1.6 KiB
Nix
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{ runCommand,
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clang,
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gcc64,
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gcc32,
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glibc_multi
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}:
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let
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combine = basegcc: runCommand "combine-gcc-libc" {} ''
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mkdir -p $out
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cp -r ${basegcc.cc}/lib $out/lib
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chmod u+rw -R $out/lib
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cp -r ${basegcc.libc}/lib/* $(ls -d $out/lib/gcc/*/*)
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'';
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gcc_multi_sysroot = runCommand "gcc-multi-sysroot" {
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passthru = {
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inherit (gcc64) version;
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lib = gcc_multi_sysroot;
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};
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} ''
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mkdir -p $out/lib{,64}/gcc
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ln -s ${combine gcc64}/lib/gcc/* $out/lib64/gcc/
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ln -s ${combine gcc32}/lib/gcc/* $out/lib/gcc/
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# XXX: This shouldn't be needed, clang just doesn't look for "i686-unknown"
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ln -s $out/lib/gcc/i686-unknown-linux-gnu $out/lib/gcc/i686-pc-linux-gnu
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# includes
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mkdir -p $out/include
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ln -s ${glibc_multi.dev}/include/* $out/include
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ln -s ${gcc64.cc}/include/c++ $out/include/c++
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# dynamic linkers
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mkdir -p $out/lib/32
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ln -s ${glibc_multi.out}/lib/ld-linux* $out/lib
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ln -s ${glibc_multi.out}/lib/32/ld-linux* $out/lib/32/
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'';
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clangMulti = clang.override {
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# Only used for providing expected structure re:dynamic linkers, AFAIK Most
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# of the magic is done by setting the --gcc-toolchain option via
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# `gccForLibs`.
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libc = gcc_multi_sysroot;
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bintools = clang.bintools.override {
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libc = gcc_multi_sysroot;
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};
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gccForLibs = gcc_multi_sysroot // {
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inherit (glibc_multi) libgcc;
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langCC =
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assert (gcc64.cc.langCC != gcc32.cc.langCC)
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-> throw "(gcc64.cc.langCC=${gcc64.cc.langCC}) != (gcc32.cc.langCC=${gcc32.cc.langCC})";
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gcc64.cc.langCC;
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};
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};
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in clangMulti
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