ax_restore_flags.m4 revision 1.1.1.2
1# SPDX-License-Identifier: FSFAP 2# 3# =========================================================================== 4# https://www.gnu.org/software/autoconf-archive/ax_restore_flags.html 5# =========================================================================== 6# 7# SYNOPSIS 8# 9# AX_RESTORE_FLAGS([namespace]) 10# 11# DESCRIPTION 12# 13# Restore common compilation flags from temporary variables. 14# 15# Compilation flags includes: CPPFLAGS, CFLAGS, CXXFLAGS, LDFLAGS, LIBS, 16# OBJCFLAGS. 17# 18# By default these flags are restored to a global (empty) namespace, but 19# user could restore from specific NAMESPACE by using 20# AX_RESTORE_FLAGS(NAMESPACE) macro. 21# 22# Typical usage is like: 23# 24# AX_SAVE_FLAGS(mypackage) 25# CPPFLAGS="-Imypackagespath ${CPPFLAGS}" 26# dnl ... do some detection ... 27# AX_RESTORE_FLAGS(mypackage) 28# 29# LICENSE 30# 31# Copyright (c) 2009 Filippo Giunchedi <filippo@esaurito.net> 32# Copyright (c) 2011 The Board of Trustees of the Leland Stanford Junior University 33# Copyright (c) 2011 Russ Allbery <rra@stanford.edu> 34# Copyright (c) 2013 Bastien ROUCARIES <roucaries.bastien+autoconf@gmail.com> 35# 36# Copying and distribution of this file, with or without modification, are 37# permitted in any medium without royalty provided the copyright notice 38# and this notice are preserved. This file is offered as-is, without any 39# warranty. 40 41#serial 7 42 43# save one flag in name space 44AC_DEFUN([_AX_RESTORE_ONE_FLAG],[dnl 45 AS_VAR_PUSHDEF([_ax_restore_flag_var], [$2[]_$1[]_ax_save_flags]) 46 AS_VAR_COPY($2[],_ax_restore_flag_var) 47 AS_VAR_POPDEF([_ax_restore_flag_var]) 48]) 49 50AC_DEFUN([AX_RESTORE_FLAGS], [dnl 51 m4_foreach([FLAG], dnl 52 [_AX_SAVE_FLAGS_LIST()], dnl 53 [_AX_RESTORE_ONE_FLAG([$1],FLAG)]) 54]) 55