-# warnings.m4 serial 1
+# warnings.m4 serial 2
dnl Copyright (C) 2008 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 From Simon Josefsson
-# gl_WARN_INIT
-# Initializes WARN_CFLAGS variable.
-AC_DEFUN([gl_WARN_INIT],
-[AC_SUBST([WARN_CFLAGS])dnl
-AC_ARG_VAR([WARN_CFLAGS], [C compiler warning flags])
-])
-
# gl_AS_VAR_IF(VAR, VALUE, [IF-MATCH], [IF-NOT-MATCH])
# ----------------------------------------------------
# Provide the functionality of AS_VAR_IF if Autoconf does not have it.
AC_DEFUN([gl_WARN_ADD],
[AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_$1])dnl
AC_CACHE_CHECK([whether compiler handles $1], [gl_Warn], [
- save_CFLAGS="$CFLAGS"
- CFLAGS="${CFLAGS} $1"
+ save_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="${CPPFLAGS} $1"
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([])],
[AS_VAR_SET([gl_Warn], [yes])],
[AS_VAR_SET([gl_Warn], [no])])
- CFLAGS="$save_CFLAGS"
+ CPPFLAGS="$save_CPPFLAGS"
])
AS_VAR_PUSHDEF([gl_Flags], m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]))dnl
gl_AS_VAR_IF([gl_Warn], [yes], [gl_AS_VAR_APPEND([gl_Flags], [" $1"])])
AS_VAR_POPDEF([gl_Flags])dnl
AS_VAR_POPDEF([gl_Warn])dnl
-AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])dnl
+m4_ifval([$2], [AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])])dnl
])