CMake: Add option to compress debug sections using -gz if possible

1 year ago · c1532107fc
parent 5efe3a8b5b
commit c1532107fc
1 changed files with 11 additions and 0 deletions
--- a/cmake/CompileFlags.cmake
+++ b/cmake/CompileFlags.cmake
@ -170,6 +170,17 @@ macro(compile_flags)
            endif()
        endif()

+        if(OPTION_COMPRESS_DEBUG)
+            include(CheckCXXCompilerFlag)
+            check_cxx_compiler_flag("-gz" GZ_FOUND)
+
+            if(GZ_FOUND)
+                # Compress debug sections.
+                add_compile_options(-gz)
+                set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -gz")
+            endif()
+        endif(OPTION_COMPRESS_DEBUG)
+
        if (OPTION_NO_WARN_UNINIT)
            add_compile_options(-Wno-maybe-uninitialized -Wno-uninitialized)
        endif (OPTION_NO_WARN_UNINIT)