Add EXTRA_<LANG>FLAGS to CMAKE_<LANG>_FLAGS if the former are not an empty string

2017-04-06 14:52:58 +02:00
parent 8fd3640685
commit d081364685
4 changed files with 8 additions and 0 deletions
--- a/modules/cxx.cmake
+++ b/modules/cxx.cmake
@ -36,7 +36,9 @@ if(NOT CMAKE_C_COMPILER_WORKS)
 endif()

 if(DEFINED EXTRA_CXXFLAGS)
+  if(NOT EXTRA_CXXFLAGS STREQUAL "")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CXXFLAGS}")
+  endif()
 endif()

 if(DEFINED ENV{CXXFLAGS})