diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 237f3612aa5..7a387be91c6 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -467,7 +467,9 @@ if(WIN32) set(CPACK_INSTALL_PREFIX ${CMAKE_GENERIC_PROGRAM_FILES}/${}) endif() -# Experimental support of C++11 +# Experimental support of C11 and C++11 +option(WITH_C11 "Build with C11 standard enabled, for development use only!" OFF) +mark_as_advanced(WITH_C11) option(WITH_CPP11 "Build with C++11 standard enabled, for development use only!" OFF) mark_as_advanced(WITH_CPP11) @@ -2903,7 +2905,11 @@ endif() # Visual Studio has all standards it supports available by default if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID MATCHES "Intel") # Use C99 + GNU extensions, works with GCC, Clang, ICC - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99") + if(WITH_C11) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11") + else() + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99") + endif() endif() # Include warnings first, so its possible to disable them with user defined flags |