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Merge pull request #39947 from obsidiansystems/libcxx-cross

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lib{std,}c++: Fix setup hooks for cross
This commit is contained in:
John Ericson
2018-05-03 18:20:13 -04:00
committed by GitHub
parent 8ac79d2575 39df5831ca
commit 88d18d2e04
8 changed files with 104 additions and 16 deletions
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pkgs/development/compilers/gcc/libstdc++-hook.sh
+13 -2
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@@ -1,2 +1,13 @@
export NIX_CXXSTDLIB_COMPILE+=" -isystem $(echo -n @gcc@/include/c++/*) -isystem $(echo -n @gcc@/include/c++/*)/$(@gcc@/bin/gcc -dumpmachine)"
export NIX_CXXSTDLIB_LINK=" -stdlib=libstdc++"
# The `hostOffset` describes how the host platform of the dependencies are slid
# relative to the depending package. It is brought into scope of the setup hook
# defined as the role of the dependency whose hooks is being run.
case $hostOffset in
-1) local role='BUILD_' ;;
0) local role='' ;;
1) local role='TARGET_' ;;
*) echo "cc-wrapper: Error: Cannot be used with $hostOffset-offset deps" >2;
return 1 ;;
esac
export NIX_${role}CXXSTDLIB_COMPILE+=" -isystem $(echo -n @gcc@/include/c++/*) -isystem $(echo -n @gcc@/include/c++/*)/$(@gcc@/bin/gcc -dumpmachine)"
export NIX_${role}CXXSTDLIB_LINK=" -stdlib=libstdc++"