diff options
Diffstat (limited to 'modules/CheckPrototypeExists.cmake')
| -rw-r--r-- | modules/CheckPrototypeExists.cmake | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/modules/CheckPrototypeExists.cmake b/modules/CheckPrototypeExists.cmake index 4797865f..38d9d6ba 100644 --- a/modules/CheckPrototypeExists.cmake +++ b/modules/CheckPrototypeExists.cmake @@ -6,11 +6,20 @@ # VARIABLE - variable to store the result # -INCLUDE(CheckTypeSize) +INCLUDE(CheckCXXSourceCompiles) MACRO(CHECK_PROTOTYPE_EXISTS _SYMBOL _HEADER _RESULT) - SET(CMAKE_EXTRA_INCLUDE_FILES ${_HEADER}) - CHECK_TYPE_SIZE(${_SYMBOL} ${_RESULT}) - SET(CMAKE_EXTRA_INCLUDE_FILES) + SET(_CHECK_PROTO_EXISTS_SOURCE_CODE " +#include <${_HEADER}> +void cmakeRequireSymbol(int dummy,...){(void)dummy;} +int main() +{ +#ifndef ${_SYMBOL} + cmakeRequireSymbol(0,&${_SYMBOL}); +#endif + return 0; +} +") + CHECK_CXX_SOURCE_COMPILES("${_CHECK_PROTO_EXISTS_SOURCE_CODE}" ${_RESULT}) ENDMACRO(CHECK_PROTOTYPE_EXISTS _SYMBOL _HEADER _RESULT) |