Use correct GCC installation when installing clang with GCC (#12381)

2019-08-11 13:40:12 -04:00 · 2019-08-11 13:40:12 -04:00 · 52a737affe
commit 52a737affe
parent 5532b8e617
1 changed files with 4 additions and 0 deletions
--- a/var/spack/repos/builtin/packages/llvm/package.py
+++ b/var/spack/repos/builtin/packages/llvm/package.py
@ -697,6 +697,10 @@ def cmake_args(self):
        if '+omp_tsan' in spec:
            cmake_args.append('-DLIBOMP_TSAN_SUPPORT=ON')

+        if self.compiler.name == 'gcc':
+            gcc_prefix = ancestor(self.compiler.cc, 2)
+            cmake_args.append('-DGCC_INSTALL_PREFIX=' + gcc_prefix)
+
        if spec.satisfies('@4.0.0:') and spec.satisfies('platform=linux'):
            cmake_args.append('-DCMAKE_BUILD_WITH_INSTALL_RPATH=1')
        return cmake_args