cc-wrapper: Fix for prebuilt android

We don't want to use Nix-built GCC's libs with prebuilt clang in this
case.
This commit is contained in:
John Ericson 2020-09-07 15:08:11 -04:00
parent e6cbcc2ac1
commit 204dc3a88b

View file

@ -61,6 +61,12 @@ let
then import ../expand-response-params { inherit (buildPackages) stdenv; }
else "";
useGccForLibs = isClang
&& libcxx == null
&& !(stdenv.targetPlatform.useLLVM or false)
&& !(stdenv.targetPlatform.useAndroidPrebuilt or false)
&& gccForLibs != null;
# older compilers (for example bootstrap's GCC 5) fail with -march=too-modern-cpu
isGccArchSupported = arch:
if isGNU then
@ -272,7 +278,7 @@ stdenv.mkDerivation {
##
## GCC libs for non-GCC support
##
+ optionalString (isClang && libcxx == null && !(stdenv.targetPlatform.useLLVM or false) && gccForLibs != null) ''
+ optionalString useGccForLibs ''
echo "-B${gccForLibs}/lib/gcc/${targetPlatform.config}/${gccForLibs.version}" >> $out/nix-support/cc-cflags
echo "-L${gccForLibs}/lib/gcc/${targetPlatform.config}/${gccForLibs.version}" >> $out/nix-support/cc-ldflags
@ -316,11 +322,11 @@ stdenv.mkDerivation {
# We have a libc++ directly, we have one via "smuggled" GCC, or we have one
# bundled with the C compiler because it is GCC
+ optionalString (libcxx != null || (isClang && !(stdenv.targetPlatform.useLLVM or false) && gccForLibs.langCC or false) || (isGNU && cc.langCC or false)) ''
+ optionalString (libcxx != null || (useGccForLibs && gccForLibs.langCC or false) || (isGNU && cc.langCC or false)) ''
touch "$out/nix-support/libcxx-cxxflags"
touch "$out/nix-support/libcxx-ldflags"
''
+ optionalString (libcxx == null && (isClang && !(stdenv.targetPlatform.useLLVM or false) && gccForLibs.langCC or false)) ''
+ optionalString (libcxx == null && (useGccForLibs && gccForLibs.langCC or false)) ''
for dir in ${gccForLibs}/include/c++/*; do
echo "-isystem $dir" >> $out/nix-support/libcxx-cxxflags
done