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# SPDX-License-Identifier: FSFAP
#
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_restore_flags.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_RESTORE_FLAGS([namespace])
#
# DESCRIPTION
#
# Restore common compilation flags from temporary variables.
#
# Compilation flags includes: CPPFLAGS, CFLAGS, CXXFLAGS, LDFLAGS, LIBS,
# OBJCFLAGS.
#
# By default these flags are restored to a global (empty) namespace, but
# user could restore from specific NAMESPACE by using
# AX_RESTORE_FLAGS(NAMESPACE) macro.
#
# Typical usage is like:
#
# AX_SAVE_FLAGS(mypackage)
# CPPFLAGS="-Imypackagespath ${CPPFLAGS}"
# dnl ... do some detection ...
# AX_RESTORE_FLAGS(mypackage)
#
# LICENSE
#
# Copyright (c) 2009 Filippo Giunchedi <filippo@esaurito.net>
# Copyright (c) 2011 The Board of Trustees of the Leland Stanford Junior University
# Copyright (c) 2011 Russ Allbery <rra@stanford.edu>
# Copyright (c) 2013 Bastien ROUCARIES <roucaries.bastien+autoconf@gmail.com>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 7
# save one flag in name space
AC_DEFUN([_AX_RESTORE_ONE_FLAG],[dnl
AS_VAR_PUSHDEF([_ax_restore_flag_var], [$2[]_$1[]_ax_save_flags])
AS_VAR_COPY($2[],_ax_restore_flag_var)
AS_VAR_POPDEF([_ax_restore_flag_var])
])
AC_DEFUN([AX_RESTORE_FLAGS], [dnl
m4_foreach([FLAG], dnl
[_AX_SAVE_FLAGS_LIST()], dnl
[_AX_RESTORE_ONE_FLAG([$1],FLAG)])
])
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