-# warnings.m4 serial 9
-dnl Copyright (C) 2008-2013 Free Software Foundation, Inc.
+# warnings.m4 serial 11
+dnl Copyright (C) 2008-2014 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
[m4_pushdef([gl_Positive], m4_bpatsubst([$1], [^-Wno-], [-W]))],
[gl_positive="$1"
case $gl_positive in
- -Wno-*) gl_positive=`echo ".$gl_positive" | sed 's/^.//; s/^-Wno-/-W/'`;;
+ -Wno-*) gl_positive=-W`expr "X$gl_positive" : 'X-Wno-\(.*\)'` ;;
esac
m4_pushdef([gl_Positive], [$gl_positive])])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler handles $1], m4_defn([gl_Warn]), [
gl_save_compiler_FLAGS="$gl_Flags"
gl_AS_VAR_APPEND(m4_defn([gl_Flags]),
[" $gl_unknown_warnings_are_errors ]m4_defn([gl_Positive])["])
- AC_COMPILE_IFELSE([m4_default([$4], [AC_LANG_PROGRAM([])])],
- [AS_VAR_SET(gl_Warn, [yes])],
- [AS_VAR_SET(gl_Warn, [no])])
+ AC_LINK_IFELSE([m4_default([$4], [AC_LANG_PROGRAM([])])],
+ [AS_VAR_SET(gl_Warn, [yes])],
+ [AS_VAR_SET(gl_Warn, [no])])
gl_Flags="$gl_save_compiler_FLAGS"
])
AS_VAR_IF(gl_Warn, [yes], [$2], [$3])