annotate src/libsndfile-1.0.25/M4/add_cflags.m4 @ 88:fe7c3a0b0259

Add some MinGW builds
author Chris Cannam <cannam@all-day-breakfast.com>
date Wed, 20 Mar 2013 13:49:36 +0000
parents 545efbb81310
children
rev   line source
cannam@85 1 dnl @synopsis MN_ADD_CFLAGS
cannam@85 2 dnl
cannam@85 3 dnl Add the given option to CFLAGS, if it doesn't break the compiler
cannam@85 4
cannam@85 5 AC_DEFUN([MN_ADD_CFLAGS],
cannam@85 6 [AC_MSG_CHECKING([if $CC accepts $1])
cannam@85 7 ac_add_cflags__old_cflags="$CFLAGS"
cannam@85 8 CFLAGS="$1"
cannam@85 9 AC_TRY_LINK([
cannam@85 10 #include <stdio.h>
cannam@85 11 ],
cannam@85 12 [puts("Hello, World!"); return 0;],
cannam@85 13 AC_MSG_RESULT([yes])
cannam@85 14 CFLAGS="$ac_add_cflags__old_cflags $1",
cannam@85 15 AC_MSG_RESULT([no])
cannam@85 16 CFLAGS="$ac_add_cflags__old_cflags"
cannam@85 17 )
cannam@85 18 ])# MN_ADD_CFLAGS