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GetClangResourceDir: Fix downstream projects that bundle llvm source

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A project that bundles the llvm source code may have their own
PACKAGE_VERSION variable, so only use this to compute the
CLANG_RESOURCE_DIR if CLANG_VERSION_MAJOR is undefined.

Reviewed By: sebastian-ne

Differential Revision: https://reviews.llvm.org/D152608
This commit is contained in:
Tom Stellard 2023-07-05 20:09:58 -07:00
parent cea3a89841
commit c951960e65
1 changed files with 3 additions and 1 deletions
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4
cmake/Modules/GetClangResourceDir.cmake
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@ -12,7 +12,9 @@ function(get_clang_resource_dir out_var)
if(DEFINED CLANG_RESOURCE_DIR AND NOT CLANG_RESOURCE_DIR STREQUAL "")
set(ret_dir bin/${CLANG_RESOURCE_DIR})
else()
string(REGEX MATCH "^[0-9]+" CLANG_VERSION_MAJOR ${PACKAGE_VERSION})
if (NOT CLANG_VERSION_MAJOR)
string(REGEX MATCH "^[0-9]+" CLANG_VERSION_MAJOR ${PACKAGE_VERSION})
endif()
set(ret_dir lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION_MAJOR})
endif()