Fix CMake rules when nesting CMake projects

`${CMAKE_SOURCE_DIR}` points to the outer project root, not the current directory. Fixes building of `glslang` when included into another CMake project.

Fix CMake rules when nesting CMake projects
2270713d · Ben Clayton · 20415866 · 2270713d
Commit 2270713d authored Jul 10, 2020 by Ben Clayton
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CMakeLists.txt CMakeLists.txt +3 -3

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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -237,9 +237,9 @@ set(GLSLANG_GENERATED_INCLUDEDIR "${CMAKE_BINARY_DIR}/include")
 ################################################################################
 # Build version information generation
 ################################################################################
-set(GLSLANG_CHANGES_FILE      "${CMAKE_SOURCE_DIR}/CHANGES.md")
-set(GLSLANG_BUILD_INFO_PY     "${CMAKE_SOURCE_DIR}/build_info.py")
-set(GLSLANG_BUILD_INFO_H_TMPL "${CMAKE_SOURCE_DIR}/build_info.h.tmpl")
+set(GLSLANG_CHANGES_FILE      "${CMAKE_CURRENT_SOURCE_DIR}/CHANGES.md")
+set(GLSLANG_BUILD_INFO_PY     "${CMAKE_CURRENT_SOURCE_DIR}/build_info.py")
+set(GLSLANG_BUILD_INFO_H_TMPL "${CMAKE_CURRENT_SOURCE_DIR}/build_info.h.tmpl")
 set(GLSLANG_BUILD_INFO_H      "${GLSLANG_GENERATED_INCLUDEDIR}/glslang/build_info.h")

 # Command to build the build_info.h file