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- # ===========================================================================
- # https://www.gnu.org/software/autoconf-archive/ax_switch_flags.html
- # ===========================================================================
- #
- # SYNOPSIS
- #
- # AX_SWITCH_FLAGS(newnamespace,[oldnamespace])
- #
- # DESCRIPTION
- #
- # Switch common compilation flags from temporary variables between two
- # compilation namespace.
- #
- # 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(beginprogram)
- # CPPFLAGS="-Imypackagespath ${CPPFLAGS}"
- # AX_SWITCH_FLAGS(mypackage,beginprogram)
- #
- # 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 4
-
- AC_DEFUN([AX_SWITCH_FLAGS], [
- AC_REQUIRE(AX_SAVE_FLAGS)
- AC_REQUIRE(AX_RESTORE_FLAGS)
- AS_IF([test "X$1" = "X"], AC_MSG_ERROR(newnamespace is empty)]
- AX_SAVE_FLAGS($1[])
- AX_RESTORE_FLAGS($2[])
- ])
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