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Diffstat (limited to 'lib/autoconf/autoheader.m4')
| -rw-r--r-- | lib/autoconf/autoheader.m4 | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/autoconf/autoheader.m4 b/lib/autoconf/autoheader.m4 new file mode 100644 index 0000000..14a91b9 --- /dev/null +++ b/lib/autoconf/autoheader.m4 @@ -0,0 +1,78 @@ +# This file is part of Autoconf. -*- Autoconf -*- +# Interface with autoheader. + +# Copyright (C) 1992-1996, 1998-2002, 2008-2012 Free Software +# Foundation, Inc. + +# This file is part of Autoconf. This program is free +# software; you can redistribute it and/or modify it under the +# terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# Under Section 7 of GPL version 3, you are granted additional +# permissions described in the Autoconf Configure Script Exception, +# version 3.0, as published by the Free Software Foundation. +# +# You should have received a copy of the GNU General Public License +# and a copy of the Autoconf Configure Script Exception along with +# this program; see the files COPYINGv3 and COPYING.EXCEPTION +# respectively. If not, see <http://www.gnu.org/licenses/>. + +# Written by David MacKenzie, with help from +# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor, +# Roland McGrath, Noah Friedman, david d zuhn, and many others. + + +# AH_OUTPUT(KEY, TEXT) +# -------------------- +# Pass TEXT to autoheader. +# This macro is `read' only via `autoconf --trace', it outputs nothing. +m4_define([AH_OUTPUT], []) + + +# AH_VERBATIM(KEY, TEMPLATE) +# -------------------------- +# If KEY is direct (i.e., no indirection such as in KEY=$my_func which +# may occur if there is AC_CHECK_FUNCS($my_func)), issue an autoheader +# TEMPLATE associated to the KEY. Otherwise, do nothing. TEMPLATE is +# output as is, with no formatting. +# +# Quote for Perl '' strings, which are those used by Autoheader. +m4_define([AH_VERBATIM], +[AS_LITERAL_WORD_IF([$1], + [AH_OUTPUT(_m4_expand([$1]), AS_ESCAPE([[$2]], [\']))])]) + + +# AH_TEMPLATE(KEY, DESCRIPTION) +# ----------------------------- +# Issue an autoheader template for KEY, i.e., a comment composed of +# DESCRIPTION (properly wrapped), and then #undef KEY. +m4_define([AH_TEMPLATE], +[AH_VERBATIM([$1], + m4_text_wrap([$2 */], [ ], [/* ])[ +@%:@undef ]_m4_expand([$1]))]) + + +# AH_TOP(TEXT) +# ------------ +# Output TEXT at the top of `config.h.in'. +m4_define([AH_TOP], +[m4_define([_AH_COUNTER], m4_incr(_AH_COUNTER))dnl +AH_VERBATIM([0000]_AH_COUNTER, [$1])]) + + +# AH_BOTTOM(TEXT) +# --------------- +# Output TEXT at the bottom of `config.h.in'. +m4_define([AH_BOTTOM], +[m4_define([_AH_COUNTER], m4_incr(_AH_COUNTER))dnl +AH_VERBATIM([zzzz]_AH_COUNTER, [$1])]) + +# Initialize. +m4_define([_AH_COUNTER], [0]) |