1# SPDX-License-Identifier: FSFAP 2# 3# =========================================================================== 4# https://www.gnu.org/software/autoconf-archive/ax_save_flags.html 5# =========================================================================== 6# 7# SYNOPSIS 8# 9# AX_SAVE_FLAGS([NAMESPACE]) 10# 11# DESCRIPTION 12# 13# Save common compilation flags into temporary variables. 14# 15# Compilation flags includes: CPPFLAGS, CFLAGS, CXXFLAGS, LDFLAGS, LIBS, 16# OBJCFLAGS. 17# 18# By default these flags are saved to a global (empty) namespace, but user 19# could specify a specific NAMESPACE to AX_SAVE_FLAGS macro and latter 20# restore it by using AX_RESTORE_FLAGS(NAMESPACE). 21# 22# AX_SAVE_FLAGS(mypackage) 23# CPPFLAGS="-Imypackagespath ${CPPFLAGS}" 24# dnl .. do some detection ... 25# AX_RESTORE_FLAGS(mypackage) 26# 27# LICENSE 28# 29# Copyright (c) 2009 Filippo Giunchedi <filippo@esaurito.net> 30# Copyright (c) 2011 The Board of Trustees of the Leland Stanford Junior University 31# Copyright (c) 2011 Russ Allbery <rra@stanford.edu> 32# Copyright (c) 2013 Bastien ROUCARIES <roucaries.bastien+autoconf@gmail.com> 33# 34# Copying and distribution of this file, with or without modification, are 35# permitted in any medium without royalty provided the copyright notice 36# and this notice are preserved. This file is offered as-is, without any 37# warranty. 38 39#serial 8 40 41# list of flag to save 42AC_DEFUN([_AX_SAVE_FLAGS_LIST],[dnl 43[CCASFLAGS],dnl 44[CFLAGS],dnl 45[CPPFLAGS],dnl 46[CXXFLAGS],dnl 47[ERLCFLAGS],dnl 48[FCFLAGS],dnl 49[FCLIBS],dnl 50[FFLAGS],dnl 51[FLIBS],dnl 52[GCJFLAGS],dnl 53[JAVACFLAGS],dnl 54[LDFLAGS],dnl 55[LIBS],dnl 56[OBJCFLAGS],dnl 57[OBJCXXFLAGS],dnl 58[UPCFLAGS],dnl 59[VALAFLAGS]dnl 60]) 61 62# save one flag in name space 63AC_DEFUN([_AX_SAVE_ONE_FLAG],[ 64 AS_VAR_PUSHDEF([_ax_save_flag_var], [$2[]_$1[]_ax_save_flags]) 65 AS_VAR_COPY(_ax_save_flag_var, $2[]) 66 AS_VAR_POPDEF([_ax_save_flag_var]) 67]) 68 69AC_DEFUN([AX_SAVE_FLAGS],[dnl 70 m4_foreach([FLAG], dnl 71 [_AX_SAVE_FLAGS_LIST()], dnl 72 [_AX_SAVE_ONE_FLAG([$1],FLAG)]) 73]) 74