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Mingw changes to gcc.

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Removing a gcc flag, --enable-version-specific-runtime-libs, that put gcc libs
in a speparate directory instead of /lib; this broke the installation of
libgcc_s.a for the case of "--enable-shared" in mingw-w64. And we already have all gccs in directories apart.

I also add the option --enable-fully-dynamic-string, which is used in the
prebuilt mingw64 toolchain; this way nixpkgs creates ABI-compatible binaries
with mingw64 upstream. (told by jon_y on irc ##mingw)


svn path=/nixpkgs/trunk/; revision=34242
This commit is contained in:
Lluís Batlle i Rossell 2012-05-25 13:49:01 +00:00
parent e38bf54592
commit 44b2d21212
1 changed files with 6 additions and 3 deletions
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9
pkgs/development/compilers/gcc/4.6/default.nix
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@ -127,14 +127,17 @@ let version = "4.6.3";
" --enable-threads=win32" +
" --enable-sjlj-exceptions" +
" --enable-hash-synchronization" +
" --enable-version-specific-runtime-libs" +
" --disable-libssp" +
" --disable-nls" +
" --with-dwarf2" +
# I think noone uses shared gcc libs in mingw, so we better do the same.
# In any case, g++ linking is broken by default with shared libs,
# In any case, mingw32 g++ linking is broken by default with shared libs,
# unless adding "-lsupc++" to any linking command. I don't know why.
" --disable-shared"
" --disable-shared" +
(if cross.config == "x86_64-w64-mingw32" then
# To keep ABI compatibility with upstream mingw-w64
" --enable-fully-dynamic-string"
else "")
else (if cross.libc == "uclibc" then
# In uclibc cases, libgomp needs an additional '-ldl'
# and as I don't know how to pass it, I disable libgomp.