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cc-wrapper: don't add broken cflags to clang

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On non-GNU (gcc) compilers, there is no "/lib/gcc/..."
so when this is eventually expanded this is empty
resulting in an incomplete "-idirafter " that
eats the next argument:

-idirafter -B/nix/store/wamjwwdvkmhbf4f2902nhw8jxxzv0hy3-clang-wrapper-4.0.1/bin/
This commit is contained in:
Will Dietz 2017-11-30 13:43:38 -06:00
parent 64f945efd2
commit 115bf9d2cf
1 changed files with 1 additions and 1 deletions
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2
pkgs/build-support/cc-wrapper/default.nix
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@ -264,7 +264,7 @@ stdenv.mkDerivation {
# compile, because it uses "#include_next <limits.h>" to find the # compile, because it uses "#include_next <limits.h>" to find the
# limits.h file in ../includes-fixed. To remedy the problem, # limits.h file in ../includes-fixed. To remedy the problem,
# another -idirafter is necessary to add that directory again. # another -idirafter is necessary to add that directory again.
echo "-B${libc_lib}/lib/ -idirafter ${libc_dev}/include -idirafter ${cc}/lib/gcc/*/*/include-fixed" > $out/nix-support/libc-cflags echo "-B${libc_lib}/lib/ -idirafter ${libc_dev}/include ${optionalString isGNU "-idirafter ${cc}/lib/gcc/*/*/include-fixed"}" > $out/nix-support/libc-cflags
echo "-L${libc_lib}/lib" > $out/nix-support/libc-ldflags echo "-L${libc_lib}/lib" > $out/nix-support/libc-ldflags