CHECK_CXX_SOURCE_COMPILES("
    #define _GNU_SOURCE
    #include <math.h>
    int main(){float x, sin, cos; sincosf(x, &sin, &cos); return 0;}
    " HAVE_SINCOSF
)

check_library_exists (m sincosf "" HAVE_SINCOSF)

add_definitions (-DHAVE_SINCOSF)

foreach(HAVE HAVE___SINCOSF HAVE_MALLOC_USABLE_SIZE HAVE_STDINT_H HAVE_INTTYPES_H HAVE_MALLOC_H HAVE_SINCOSF HAVE_RTL_OSVERSIONINFOW)