40 lines
1.2 KiB
CMake
40 lines
1.2 KiB
CMake
|
# AWI, downloaded from KDE repository since has not yet been transferred
|
||
|
|
# to cmake repository as of 2006-07-31.
|
||
|
|
# http://websvn.kde.org/trunk/KDE/kdelibs/cmake/modules/CheckPrototypeExists.cmake?rev=505849&view=markup
|
||
|
|
#
|
||
|
|
# - Check if the prototype for a function exists.
|
||
|
|
# CHECK_PROTOTYPE_EXISTS (FUNCTION HEADER VARIABLE)
|
||
|
|
#
|
||
|
|
# FUNCTION - the name of the function you are looking for
|
||
|
|
# HEADER - the header(s) where the prototype should be declared
|
||
|
|
# VARIABLE - variable to store the result
|
||
|
|
#
|
||
|
|
|
||
|
|
# AWI further change from C++ to C since that is the core PLplot language.
|
||
|
|
INCLUDE(CheckCSourceCompiles)
|
||
|
|
|
||
|
|
MACRO(CHECK_PROTOTYPE_EXISTS _SYMBOL _HEADER _RESULT)
|
||
|
|
SET(_INCLUDE_FILES)
|
||
|
|
FOREACH(it ${_HEADER})
|
||
|
|
SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n")
|
||
|
|
ENDFOREACH(it)
|
||
|
|
|
||
|
|
SET(_CHECK_PROTO_EXISTS_SOURCE_CODE "
|
||
|
|
${_INCLUDE_FILES}
|
||
|
|
void cmakeRequireSymbol(int dummy,...){(void)dummy;}
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
#ifndef ${_SYMBOL}
|
||
|
|
#ifndef _MSC_VER
|
||
|
|
cmakeRequireSymbol(0,&${_SYMBOL});
|
||
|
|
#else
|
||
|
|
char i = sizeof(&${_SYMBOL});
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
")
|
||
|
|
CHECK_C_SOURCE_COMPILES("${_CHECK_PROTO_EXISTS_SOURCE_CODE}" ${_RESULT})
|
||
|
|
ENDMACRO(CHECK_PROTOTYPE_EXISTS _SYMBOL _HEADER _RESULT)
|
||
|
|
|