diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index bdaefb0d590..4724e101603 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1156,6 +1156,12 @@ if(UNIX AND NOT APPLE) # GNU Compiler if(CMAKE_COMPILER_IS_GNUCC) set(PLATFORM_CFLAGS "-pipe -fPIC -funsigned-char -fno-strict-aliasing") + + if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "5.0") + # GCC5 uses gnu11, until we update, force c89 + # though some c11 features can still be used. + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu89") + endif() # CLang is the same as GCC for now. elseif(CMAKE_C_COMPILER_ID MATCHES "Clang") set(PLATFORM_CFLAGS "-pipe -fPIC -funsigned-char -fno-strict-aliasing") |