1dnl Floating point math 2AC_MSG_CHECKING(for floating point math support) 3have_fp=yes 4AC_TRY_COMPILE([ 5 #include <math.h> 6 ],[ 7 float a = sinf(0.1f); 8 ],[ 9 have_fp=yes 10 ],[ 11 have_fp=no 12]) 13AC_MSG_RESULT($have_fp) 14 15if test x$have_fp != xyes; then 16 CFLAGS="$CPPFLAGS -DNO_FLOAT_MATH" 17 CPPFLAGS="$CPPFLAGS -DNO_FLOAT_MATH" 18 CXXFLAGS="$CXXFLAGS -DNO_FLOAT_MATH" 19fi 20