cmake: Strip prefix from debug info

Paves the way for some extra reproducibility.
2022-10-02 00:20:02 +02:00 · 2022-10-02 00:20:02 +02:00 · c6b600d623
parent 38657f5d77
commit c6b600d623
1 changed files with 6 additions and 0 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -95,6 +95,12 @@ add_compile_options(-g)

 # optimizations
 if(CMAKE_CROSSCOMPILING)
+  # Reproducible build support
+  add_link_options(-fdebug-prefix-map=${CMAKE_SOURCE_DIR}=)
+  add_link_options(-fdebug-prefix-map=${CMAKE_BINARY_DIR}=)
+  if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "8")
+    add_compile_options(-ffile-prefix-map=${CMAKE_SOURCE_DIR}=)
+  endif()

  # default optimization flags
  set(CMAKE_CXX_FLAGS_DEBUG "-Og -g")