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mermsemr/src/build/ax_check_compile_flag.m4

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+# ===========================================================================
+#   http://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
+#
+# DESCRIPTION
+#
+#   Check whether the given FLAG works with the current language's compiler
+#   or gives an error.  (Warnings, however, are ignored)
+#
+#   ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
+#   success/failure.
+#
+#   If EXTRA-FLAGS is defined, it is added to the current language's default
+#   flags (e.g. CFLAGS) when the check is done.  The check is thus made with
+#   the flags: "CFLAGS EXTRA-FLAGS FLAG".  This can for example be used to
+#   force the compiler to issue an error when a bad flag is given.
+#
+#   INPUT gives an alternative input source to AC_COMPILE_IFELSE.
+#
+#   NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
+#   macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
+#   Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
+#
+#   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.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#   As a special exception, the respective Autoconf Macro's copyright owner
+#   gives unlimited permission to copy, distribute and modify the configure
+#   scripts that are the output of Autoconf when processing the Macro. You
+#   need not follow the terms of the GNU General Public License when using
+#   or distributing such scripts, even though portions of the text of the
+#   Macro appear in them. The GNU General Public License (GPL) does govern
+#   all other use of the material that constitutes the Autoconf Macro.
+#
+#   This special exception to the GPL applies to versions of the Autoconf
+#   Macro released by the Autoconf Archive. When you make and distribute a
+#   modified version of the Autoconf Macro, you may extend this special
+#   exception to the GPL to apply to your modified version as well.
+
+#serial 4
+
+AC_DEFUN([AX_CHECK_COMPILE_FLAG],
+[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
+AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
+AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
+  ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
+  _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
+  AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
+    [AS_VAR_SET(CACHEVAR,[yes])],
+    [AS_VAR_SET(CACHEVAR,[no])])
+  _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
+AS_VAR_IF(CACHEVAR,yes,
+  [m4_default([$2], :)],
+  [m4_default([$3], :)])
+AS_VAR_POPDEF([CACHEVAR])dnl
+])dnl AX_CHECK_COMPILE_FLAGS

mermsemr/src/build/mkdep.awk

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+#  +----------------------------------------------------------------------+
+#  | PHP Version 7                                                        |
+#  +----------------------------------------------------------------------+
+#  | Copyright (c) 2000-2006 The PHP Group                                |
+#  +----------------------------------------------------------------------+
+#  | This source file is subject to version 3.01 of the PHP license,      |
+#  | that is bundled with this package in the file LICENSE, and is        |
+#  | available through the world-wide-web at the following url:           |
+#  | http://www.php.net/license/3_01.txt                                  |
+#  | If you did not receive a copy of the PHP license and are unable to   |
+#  | obtain it through the world-wide-web, please send a note to          |
+#  | license@php.net so we can mail you a copy immediately.               |
+#  +----------------------------------------------------------------------+
+#  | Author: Sascha Schumann <sascha@schumann.cx>                         |
+#  +----------------------------------------------------------------------+
+#
+# $Id$
+#
+# Usage:
+#
+# echo top_srcdir top_builddir srcdir CPP [CPP-ARGS] filenames | \
+#      awk -f mkdep.awk > dependencies
+
+
+{
+	top_srcdir=$1
+	top_builddir=$2
+	srcdir=$3
+	cmd=$4
+
+	for (i = 5; i <= NF; i++) {
+		if (match($i, "^-[A-Z]") == 0)
+			break;
+		cmd=cmd " " $i
+	}
+
+	dif=i-1
+
+	for (; i <= NF; i++)
+		filenames[i-dif]=$i
+
+	no_files=NF-dif
+
+	for(i = 1; i <= no_files; i++) {
+		if (system("test -r " filenames[i]) != 0)
+			continue
+
+		target=filenames[i]
+		sub(srcdir "/", "", target)
+		target2=target
+		sub("\.(c|cpp)$", ".lo", target);
+		sub("\.(c|cpp)$", ".slo", target2);
+
+		for (e in used)
+			delete used[e]
+
+		cmdx=cmd " " filenames[i]
+		done=0
+		while ((cmdx | getline) > 0) {
+			if (match($0, "^# [0-9]* \".*\.h\"") != 0) {
+				if (sub(top_srcdir, "$(top_srcdir)", $3) == 0)
+					sub(top_builddir, "$(top_builddir)", $3)
+				if (substr($3,2,1) != "/" && used[$3] != 1) {
+					if (done == 0)
+						printf(target " " target2 ":")
+					done=1
+					printf(" \\\n\t" substr($3,2,length($3)-2))
+					used[$3] = 1;
+				}
+			}
+		}
+		if (done == 1)
+			print "\n"
+	}
+}

mermsemr/src/build/scan_makefile_in.awk

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+BEGIN {
+	mode=0
+	sources=""
+}
+
+mode == 0 && /^LTLIBRARY_SOURCES.*\\$/ {
+	if (match($0, "[^=]*$")) {
+	sources=substr($0, RSTART, RLENGTH-1)
+	}
+	mode=1
+	next
+}
+
+mode == 0 && /^LTLIBRARY_SOURCES.*/ {
+	if (match($0, "[^=]*$")) {
+	sources=substr($0, RSTART, RLENGTH)
+	}
+}
+
+mode == 1 && /.*\\$/ {
+	sources=sources substr($0, 0, length - 1)
+	next
+}
+
+mode == 1 {
+	sources=sources $0
+	mode=0
+}
+
+END {
+	print sources
+}