diff options
| -rw-r--r-- | CMakeLists.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 4d1c0e8fd5..eb259bc983 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -221,6 +221,11 @@ else() add_definitions(-Wall -Wextra -pedantic -Wno-unused-parameter -Wstrict-prototypes -std=gnu99) + check_c_compiler_flag(-Wimplicit-fallthrough HAS_WIMPLICIT_FALLTHROUGH_FLAG) + if(HAS_WIMPLICIT_FALLTHROUGH_FLAG) + add_definitions(-Wimplicit-fallthrough) + endif() + # On FreeBSD 64 math.h uses unguarded C11 extension, which taints clang # 3.4.1 used there. if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") |