[libc++] Fix compiler-rt build by copying libc++ headers to <build>/include
This commit should really be named "Workaround external projects depending
on libc++ build system implementation details". It seems that the compiler-rt
build (and perhaps other projects) is relying on the fact that we copy libc++
and libc++abi headers to `<build-root>/include/c++/v1`. This was changed
by 5d796645, which moved the headers to `<build-root>/projects/libcxx/include/c++/v1`
and broke the compiler-rt build.
I'm committing this workaround to fix the compiler-rt build, but we should
remove reliance on implementation details like that. The correct way to
setup the compiler-rt build would be to "link" against the `cxx-headers`
target in CMake, or to run `install-cxx-headers` using an appropriate
installation prefix, and then manually add a `-I` path to that location.
GitOrigin-RevId: 69c2087283cf7b17ca75f69daebf4ffc158b754a
diff --git a/test/libcxxabi/test/config.py b/test/libcxxabi/test/config.py
index 4d44d88..e7c0196 100644
--- a/test/libcxxabi/test/config.py
+++ b/test/libcxxabi/test/config.py
@@ -58,7 +58,7 @@
def configure_compile_flags_header_includes(self):
cxx_headers = self.get_lit_conf(
'cxx_headers',
- os.path.join(self.libcxx_obj_root, 'include', 'c++', 'v1'))
+ os.path.join(self.project_obj_root, 'include', 'c++', 'v1'))
if cxx_headers == '':
self.lit_config.note('using the systems c++ headers')
else:
