cmake: make __FILE__ macro value relative

2022-08-18 22:27:39 +02:00
1 changed files with 5 additions and 0 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -528,6 +528,11 @@ if (MSVC AND CMAKE_GENERATOR STREQUAL "Ninja")
    )
 endif()

+# Set __FILE__ macro value to a relative path for reproducible builds
+if (CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
+    add_compile_options("-fmacro-prefix-map=${CMAKE_SOURCE_DIR}=.")
+endif()
+
 enable_testing()
 add_subdirectory(externals)
 add_subdirectory(src)