mpd/m4/mpd_check_cflag.m4

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AC_DEFUN([MPD_CHECK_FLAG],[
var=`echo "$1" | tr "=-" "__"`
AC_CACHE_CHECK([whether the C compiler accepts $1],
[mpd_check_cflag_$var],[
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $1"
AC_COMPILE_IFELSE([
int main(void) { return 0; }
], [ eval "mpd_check_cflag_$var=yes"
], [ eval "mpd_check_cflag_$var=no" ])
CFLAGS="$save_CFLAGS"
])
if eval "test x`echo '$mpd_check_cflag_'$var` = xyes"
then
AM_CFLAGS="$AM_CFLAGS $1"
fi
])
])