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libstdcxx: don’t set stdlib automatically

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We don’t need to set -stdlib=libstdc++. This only works on Clang so it
is not good to set it globally. In addition, Clang knows to use
libstdc++ on Linux by default if no stdlib is set:

324f918438/lib/Driver/ToolChains/Linux.cpp (L456)

It’s a good policy to just leave off stdlib for now.

Fixes #29877.
This commit is contained in:
Matthew Bauer 2019-01-26 01:46:10 -05:00
parent cb14f1404a
commit f9ed5e0089
1 changed files with 0 additions and 1 deletions
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1
pkgs/development/compilers/gcc/libstdc++-hook.sh
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@ -2,4 +2,3 @@
getHostRole
export NIX_${role_pre}CXXSTDLIB_COMPILE+=" -isystem $(echo -n @gcc@/include/c++/*) -isystem $(echo -n @gcc@/include/c++/*)/$(@gcc@/bin/gcc -dumpmachine)"
export NIX_${role_pre}CXXSTDLIB_LINK=" -stdlib=libstdc++"