cmake/Modules/CheckVariableExists.c
Pierre Habouzit 4c630dbbc0 import cmake 2.6.0
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
2008-10-12 18:41:06 +02:00

21 lines
363 B
C

#ifdef CHECK_VARIABLE_EXISTS
extern int CHECK_VARIABLE_EXISTS;
#ifdef __CLASSIC_C__
int main(){
int ac;
char*av[];
#else
int main(int ac, char*av[]){
#endif
if(ac > 1000){return *av[0];}
return CHECK_VARIABLE_EXISTS;
}
#else /* CHECK_VARIABLE_EXISTS */
# error "CHECK_VARIABLE_EXISTS has to specify the variable"
#endif /* CHECK_VARIABLE_EXISTS */