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2009-05-21 21:09:30 +00:00

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dnl @synopsis AC_ADD_CFLAGS
dnl
dnl Add the given option to CFLAGS, if it doesn't break the compiler
AC_DEFUN([AC_ADD_CFLAGS],
[AC_MSG_CHECKING([if $CC accepts $1])
ac_add_cflags__old_cflags="$CFLAGS"
CFLAGS="$CFLAGS $1"
AC_TRY_LINK([
#include <stdio.h>
],
[puts("Hello, World!"); return 0;],
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
CFLAGS="$ac_add_cflags__old_cflags"
)
])# AC_ADD_CFLAGS