diff options
| author | José Fonseca <jfonseca@vmware.com> | 2014-11-07 14:17:51 +0000 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2014-11-08 10:21:29 +0000 |
| commit | d052e50c5e78eca69eb950671d943e2811d431fb (patch) | |
| tree | fb319e3ec536e1d878d73ef27c6bb9e485d344b7 /CMakeLists.txt | |
| parent | 09b4cef3663db5b34401ee3b48c6892ecbcf4d74 (diff) | |
cmake: Warn when variable length arrays are used.
As these are not supported on MSVC, not even MSVC 2013 since it only has
library support for C99, it doesn't actually support C99 syntax.
Suggested by Jan Vesely.
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 50e8cc86a..d1792d05f 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -222,7 +222,11 @@ if (NOT MSVC) CHECK_C_COMPILER_FLAG("-Wdeclaration-after-statement" C_COMPILER_FLAG_WDECL_AFTER_STMT) IF (C_COMPILER_FLAG_WDECL_AFTER_STMT) SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wdeclaration-after-statement") - ENDIF (C_COMPILER_FLAG_WDECL_AFTER_STMT) + ENDIF () + CHECK_C_COMPILER_FLAG("-Wvla" C_COMPILER_FLAG_WDECL_AFTER_STMT) + IF (C_COMPILER_FLAG_WDECL_AFTER_STMT) + SET (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wvla") + ENDIF () CHECK_CXX_COMPILER_FLAG("-Wno-narrowing" CXX_COMPILER_FLAG_WNO_NARROWING) IF (CXX_COMPILER_FLAG_WNO_NARROWING) |