annotate src/libsndfile-1.0.25/M4/add_cflags.m4 @ 22:b07fe9e906dc

Portaudio: add missed file
author Chris Cannam
date Tue, 26 Mar 2013 12:14:11 +0000
parents c7265573341e
children
rev   line source
Chris@0 1 dnl @synopsis MN_ADD_CFLAGS
Chris@0 2 dnl
Chris@0 3 dnl Add the given option to CFLAGS, if it doesn't break the compiler
Chris@0 4
Chris@0 5 AC_DEFUN([MN_ADD_CFLAGS],
Chris@0 6 [AC_MSG_CHECKING([if $CC accepts $1])
Chris@0 7 ac_add_cflags__old_cflags="$CFLAGS"
Chris@0 8 CFLAGS="$1"
Chris@0 9 AC_TRY_LINK([
Chris@0 10 #include <stdio.h>
Chris@0 11 ],
Chris@0 12 [puts("Hello, World!"); return 0;],
Chris@0 13 AC_MSG_RESULT([yes])
Chris@0 14 CFLAGS="$ac_add_cflags__old_cflags $1",
Chris@0 15 AC_MSG_RESULT([no])
Chris@0 16 CFLAGS="$ac_add_cflags__old_cflags"
Chris@0 17 )
Chris@0 18 ])# MN_ADD_CFLAGS