CMake/Modules/CMakeCXXCompilerABI.cpp

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#ifndef __cplusplus
# error "A C compiler has been selected for C++."
#endif
/*--------------------------------------------------------------------------*/
#include "CMakeCompilerABI.h"
/*--------------------------------------------------------------------------*/
/* Make sure the information strings are referenced. */
#define REQUIRE(x) (&x[0] != &require)
int main()
{
const char require = 0;
return
(
REQUIRE(info_sizeof_dptr)
#if defined(ABI_ID)
&& REQUIRE(info_abi)
#endif
);
}