Provide fallback for LLVM_INCLUDE_DIRS

In standalone builds, it could otherwise happen that the variable is not set during the first CMake invocation and tests fail because they are unable to locate the LLVM headers.
root-project · Dec 5, 2023 · aacb57a · aacb57a
1 parent cbd1dcf
commit aacb57a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -190,6 +190,9 @@ else()
     set (CLANG_INCLUDE_DIRS "${CLANG_INCLUDE_DIRS}"
       "${LLVM_BINARY_DIR}/tools/clang/include")
   endif()
+  if (NOT LLVM_INCLUDE_DIRS)
+    set (LLVM_INCLUDE_DIRS "${LLVM_MAIN_SRC_DIR}/include" "${LLVM_BINARY_DIR}/include")
+  endif()
 endif()
 
 if( NOT "NVPTX" IN_LIST LLVM_TARGETS_TO_BUILD)