Copy/paste from upstream tarball.

---
 m4/local.m4 |  304 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 304 insertions(+)

--- /dev/null
+++ b/m4/local.m4
@@ -0,0 +1,304 @@
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+#serial 20090814
+
+AC_DEFUN([_MM_PRE_INIT], [m4_pattern_forbid([^_?MM_])])
+
+m4_define([_MM_PREREQ],
+[dnl
+m4_if(m4_quote(m4_version_compare([$2], [$3])), [-1],
+      [m4_fatal([$4 requires $1 $3 (version $2 is installed)])])[]dnl
+])
+
+AC_DEFUN([MM_PREREQ],
+[dnl
+m4_assert([$# >= 1])[]dnl
+AC_REQUIRE([_MM_PRE_INIT])[]dnl
+_MM_PREREQ([mm-common], [0.9.6], [$1], m4_defn([AC_PACKAGE_NAME]))[]dnl
+])
+
+
+#serial 20110327
+
+m4_define([_MM_CONFIG_DOCTOOL_DIR],
+[dnl
+AC_PROVIDE([$0])[]dnl
+AC_REQUIRE([PKG_PROG_PKG_CONFIG])[]dnl
+dnl
+AC_MSG_CHECKING([location of documentation utilities])
+AS_IF([test "x$MMDOCTOOLDIR" = x],
+[
+  MMDOCTOOLDIR=`$PKG_CONFIG --variable=doctooldir mm-common-util 2>&AS_MESSAGE_LOG_FD`
+  AS_IF([test "[$]?" -ne 0],
+        [AC_MSG_ERROR([[not found
+The required module mm-common-util could not be found on this system.  If you
+are running a binary distribution and the mm-common package is installed,
+make sure that any separate development package for mm-common is installed
+as well.  If you built mm-common yourself, it may be necessary to adjust
+the PKG_CONFIG_PATH environment variable for pkg-config to find it.
+]])])
+])
+AC_MSG_RESULT([$MMDOCTOOLDIR])[]dnl
+])
+
+AC_DEFUN([MM_CONFIG_DOCTOOL_DIR],
+[dnl
+AC_REQUIRE([_MM_PRE_INIT])[]dnl
+AC_REQUIRE([MM_CHECK_GNU_MAKE])[]dnl
+m4_ifval([$1], [MMDOCTOOLDIR='[$]{top_srcdir}/$1'], [AC_REQUIRE([_MM_CONFIG_DOCTOOL_DIR])])
+AM_CONDITIONAL([DIST_DOCTOOLS], [test 'x$1' != 'x'])dnl
+AC_SUBST([MMDOCTOOLDIR])[]dnl
+])
+
+m4_define([_MM_ARG_ENABLE_DOCUMENTATION],
+[dnl
+AC_PROVIDE([$0])[]dnl
+dnl
+AC_ARG_VAR([DOT], [path to dot utility])[]dnl
+AC_ARG_VAR([DOXYGEN], [path to Doxygen utility])[]dnl
+AC_ARG_VAR([XSLTPROC], [path to xsltproc utility])[]dnl
+dnl
+AC_PATH_PROG([DOT], [dot], [dot])
+AC_PATH_PROG([DOXYGEN], [doxygen], [doxygen])
+AC_PATH_PROG([XSLTPROC], [xsltproc], [xsltproc])
+dnl
+AC_ARG_ENABLE([documentation],
+              [AS_HELP_STRING([--disable-documentation],
+                              [do not build or install the documentation])],
+              [ENABLE_DOCUMENTATION=$enableval],
+              [ENABLE_DOCUMENTATION=auto])
+AS_IF([test "x$ENABLE_DOCUMENTATION" != xno],
+[
+  mm_err=
+  AS_IF([test "x$MMDOCTOOLDIR" = x], [mm_err='dnl
+The mm-common-util module is available, but the installation of mm-common on this
+machine is missing the shared documentation utilities of the GNOME C++
+bindings.  It may be necessary to upgrade to a more recent release of
+mm-common in order to build '$PACKAGE_NAME' and install the documentation.'],
+        [test "x$PERL" = xperl], [mm_err='Perl is required for installing the documentation.'],
+        [test "x$USE_MAINTAINER_MODE" != xno],
+  [
+    test "x$DOT" != xdot || mm_err=' dot'
+    test "x$DOXYGEN" != xdoxygen || mm_err="$mm_err doxygen"
+    test "x$XSLTPROC" != xxsltproc || mm_err="$mm_err xsltproc"
+    test -z "$mm_err" || mm_err='The documentation cannot be generated because
+not all of the required tools are available:'$mm_err
+  ])
+  AS_IF([test -z "$mm_err"], [ENABLE_DOCUMENTATION=yes],
+        [test "x$ENABLE_DOCUMENTATION" = xyes], [AC_MSG_FAILURE([[$mm_err]])],
+        [ENABLE_DOCUMENTATION=no; AC_MSG_WARN([[$mm_err]])])
+])
+AM_CONDITIONAL([ENABLE_DOCUMENTATION], [test "x$ENABLE_DOCUMENTATION" = xyes])
+AC_SUBST([DOXYGEN_TAGFILES], [[]])
+AC_SUBST([DOCINSTALL_FLAGS], [[]])[]dnl
+])
+
+AC_DEFUN([MM_ARG_ENABLE_DOCUMENTATION],
+[dnl
+AC_BEFORE([$0], [MM_ARG_WITH_TAGFILE_DOC])[]dnl
+AC_REQUIRE([_MM_PRE_INIT])[]dnl
+AC_REQUIRE([MM_CONFIG_DOCTOOL_DIR])[]dnl
+AC_REQUIRE([MM_PATH_PERL])[]dnl
+AC_REQUIRE([_MM_ARG_ENABLE_DOCUMENTATION])[]dnl
+])
+
+m4_define([_MM_TR_URI],
+[dnl
+[`expr "X$1" : 'X\(.*[^\\/]\)[\\/]*' 2>&]AS_MESSAGE_LOG_FD[ |]dnl
+[ sed 's|[\\]|/|g;s| |%20|g;s|^/|file:///|;s|^.:/|file:///&|' 2>&]AS_MESSAGE_LOG_FD[`]dnl
+])
+
+m4_define([_MM_ARG_WITH_TAGFILE_DOC],
+[dnl
+  AC_MSG_CHECKING([for $1 documentation])
+  AC_ARG_WITH([$1-doc],
+              [AS_HELP_STRING([[--with-$1-doc=[TAGFILE@]HTMLREFDIR]],
+                              [Link to external $1 documentation]m4_ifval([$4], [[ [auto]]]))],
+  [
+    mm_htmlrefdir=`[expr "X@$withval" : '.*@\(.*\)' 2>&]AS_MESSAGE_LOG_FD`
+    mm_tagname=`[expr "X/$withval" : '[^@]*[\\/]\([^\\/@]*\)@' 2>&]AS_MESSAGE_LOG_FD`
+    mm_tagpath=`[expr "X$withval" : 'X\([^@]*\)@' 2>&]AS_MESSAGE_LOG_FD`
+    test "x$mm_tagname" != x || mm_tagname="$3"
+    test "x$mm_tagpath" != x || mm_tagpath=$mm_tagname[]dnl
+  ], [
+    mm_htmlrefdir=
+    mm_tagname="$3"
+    mm_tagpath=$mm_tagname[]dnl
+  ])
+  # Prepend working direcory if the tag file path starts with ./ or ../
+  AS_CASE([$mm_tagpath], [[.[\\/]*|..[\\/]*]], [mm_tagpath=`pwd`/$mm_tagpath])
+
+m4_ifval([$4], [dnl
+  # If no local directory was specified, get the default from the .pc file
+  AS_IF([test "x$mm_htmlrefdir" = x],
+  [
+    mm_htmlrefdir=`$PKG_CONFIG --variable=htmlrefdir "$4" 2>&AS_MESSAGE_LOG_FD`dnl
+  ])
+  # If the user specified a Web URL, allow it to override the public location
+  AS_CASE([$mm_htmlrefdir], [[http://*|https://*]], [mm_htmlrefpub=$mm_htmlrefdir],
+  [
+    mm_htmlrefpub=`$PKG_CONFIG --variable=htmlrefpub "$4" 2>&AS_MESSAGE_LOG_FD`
+    test "x$mm_htmlrefpub" != x || mm_htmlrefpub=$mm_htmlrefdir
+    test "x$mm_htmlrefdir" != x || mm_htmlrefdir=$mm_htmlrefpub
+  ])
+  # The user-supplied tag-file name takes precedence if it includes the path
+  AS_CASE([$mm_tagpath], [[*[\\/]*]],,
+  [
+    mm_doxytagfile=`$PKG_CONFIG --variable=doxytagfile "$4" 2>&AS_MESSAGE_LOG_FD`
+    test "x$mm_doxytagfile" = x || mm_tagpath=$mm_doxytagfile
+  ])
+  # Remove trailing slashes and translate to URI
+  mm_htmlrefpub=_MM_TR_URI([$mm_htmlrefpub])
+])[]dnl
+  mm_htmlrefdir=_MM_TR_URI([$mm_htmlrefdir])
+
+  AC_MSG_RESULT([$mm_tagpath@$mm_htmlrefdir])
+
+  AS_IF([test "x$USE_MAINTAINER_MODE" != xno && test ! -f "$mm_tagpath"],
+        [AC_MSG_WARN([Doxygen tag file $3 not found])])
+  AS_IF([test "x$mm_htmlrefdir" = x],
+        [AC_MSG_WARN([Location of external $1 documentation not set])],
+        [AS_IF([test "x$DOCINSTALL_FLAGS" = x],
+               [DOCINSTALL_FLAGS="-l '$mm_tagname@$mm_htmlrefdir/'"],
+               [DOCINSTALL_FLAGS="$DOCINSTALL_FLAGS -l '$mm_tagname@$mm_htmlrefdir/'"])])
+
+  AS_IF([test "x$mm_$2" = x], [mm_val=$mm_tagpath], [mm_val="$mm_tagpath=$mm_$2"])
+  AS_IF([test "x$DOXYGEN_TAGFILES" = x],
+        [DOXYGEN_TAGFILES=[\]"$mm_val[\]"],
+        [DOXYGEN_TAGFILES="$DOXYGEN_TAGFILES "[\]"$mm_val[\]"])[]dnl
+])
+
+AC_DEFUN([MM_ARG_WITH_TAGFILE_DOC],
+[dnl
+m4_assert([$# >= 1])[]dnl
+m4_ifval([$2], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])])[]dnl
+AC_REQUIRE([MM_CONFIG_DOCTOOL_DIR])[]dnl
+AC_REQUIRE([_MM_ARG_ENABLE_DOCUMENTATION])[]dnl
+dnl
+AS_IF([test "x$ENABLE_DOCUMENTATION" != xno],
+      [_MM_ARG_WITH_TAGFILE_DOC(m4_quote(m4_bpatsubst([$1], [[+]*\([-+][0123456789]\|[._]\).*$])),
+                                [htmlref]m4_ifval([$2], [[pub]], [[dir]]), [$1], [$2])])[]dnl
+])
+
+
+#serial 20091228
+
+m4_define([_MM_INIT_MODULE_VERSION],
+[dnl
+m4_ifval([$3],
+[AC_SUBST([$2][_MAJOR_VERSION], [$3])
+AC_DEFINE([$2][_MAJOR_VERSION], [$3], [Major version number of $1.])
+])[]dnl
+m4_ifval([$4],
+[AC_SUBST([$2][_MINOR_VERSION], [$4])
+AC_DEFINE([$2][_MINOR_VERSION], [$4], [Minor version number of $1.])
+])[]dnl
+m4_ifval([$5],
+[AC_SUBST([$2][_MICRO_VERSION], [$5])
+AC_DEFINE([$2][_MICRO_VERSION], [$5], [Micro version number of $1.])
+])[]dnl
+])
+
+m4_define([_MM_INIT_MODULE_SUBST],
+[dnl
+AC_SUBST([$5][_MODULE_NAME], ['$1'])
+AC_SUBST([$5][_VERSION], ['$2'])
+m4_ifval([$4],
+[AC_SUBST([$5][_API_VERSION], ['$4'])
+])[]dnl
+_MM_INIT_MODULE_VERSION([$3], [$5], m4_bpatsubst([$2], [[^0123456789]+], [,]))[]dnl
+])
+
+m4_define([_MM_INIT_MODULE_BASENAME],
+          [_MM_INIT_MODULE_SUBST([$1], [$2], [$3], [$4],
+                                 m4_quote(AS_TR_CPP(m4_quote(m4_translit([$3], [+], [X])))))])
+
+AC_DEFUN([MM_INIT_MODULE],
+[dnl
+m4_assert([$# >= 1])[]dnl
+AC_REQUIRE([_MM_PRE_INIT])[]dnl
+AC_REQUIRE([MM_CHECK_GNU_MAKE])[]dnl
+_MM_INIT_MODULE_BASENAME([$1],
+                 m4_quote(m4_ifval([$2], [$2], m4_defn([AC_PACKAGE_VERSION]))),
+                 m4_quote(m4_bpatsubst([$1], [[-.0123456789]+$])),
+                 m4_quote(m4_bregexp([$1], [-?\([.0123456789]+\)$], [\1])))[]dnl
+])
+
+
+#serial 20090822
+
+m4_define([_MM_CHECK_GNU_MAKE],
+[dnl
+AC_PROVIDE([$0])[]dnl
+AC_MSG_CHECKING([whether [$]{MAKE-make} supports GNU make features])
+cat >conftest.make <<'_MMEOF'
+override reverse = [$](2)[$](subst ,, )[$](1)
+override result := [$](word 2,[$](call reverse,success,failure))
+all: ; test '[$](result)' = success
+.PHONY: all
+_MMEOF
+AS_IF([[$]{MAKE-make} -f conftest.make >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD],
+      [mm_gnu_make=yes], [mm_gnu_make=no])
+rm -f conftest.make
+AC_MSG_RESULT([$mm_gnu_make])
+AS_IF([test "x$mm_gnu_make" != xyes],
+      [AC_MSG_FAILURE([[The GNU make program is required to build $PACKAGE_NAME.]])])[]dnl
+])
+
+AC_DEFUN([MM_CHECK_GNU_MAKE],
+[dnl
+AC_REQUIRE([_MM_PRE_INIT])[]dnl
+AC_REQUIRE([_MM_CHECK_GNU_MAKE])[]dnl
+])
+
+m4_define([_MM_PATH_PERL],
+[dnl
+AC_PROVIDE([$0])[]dnl
+AC_ARG_VAR([PERL], [path to Perl interpreter])[]dnl
+AC_PATH_PROG([PERL], [perl], [perl])[]dnl
+])
+
+AC_DEFUN([MM_PATH_PERL],
+[dnl
+AC_REQUIRE([_MM_PRE_INIT])[]dnl
+AC_REQUIRE([_MM_PATH_PERL])[]dnl
+])
+
+m4_define([_MM_CHECK_PERL],
+[dnl
+AS_IF([$PERL -e "require v$1; exit 0;" >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD],
+      [$2], m4_ifval([$2$3], [[$3]],
+            [[AC_MSG_FAILURE([[At least Perl ]$1[ is required to build $PACKAGE_NAME.]])]]))[]dnl
+])
+
+AC_DEFUN([MM_CHECK_PERL],
+[dnl
+AC_REQUIRE([_MM_PRE_INIT])[]dnl
+AC_REQUIRE([_MM_PATH_PERL])[]dnl
+_MM_CHECK_PERL(m4_ifval([$1], [[$1]], [[5.6.0]]), [$2], [$3])[]dnl
+])
+
+AC_DEFUN([MM_PKG_CONFIG_SUBST],
+[dnl
+m4_assert([$# >= 2])[]dnl
+AC_REQUIRE([_MM_PRE_INIT])[]dnl
+AC_REQUIRE([PKG_PROG_PKG_CONFIG])[]dnl
+AC_MSG_CHECKING([for $1])
+dnl
+AS_IF([test -z "[$]{$1+set}"],
+      [$1=`$PKG_CONFIG $2 2>&AS_MESSAGE_LOG_FD`
+       AS_IF([test "[$]?" -eq 0], [$3], [$4])])
+dnl
+AC_MSG_RESULT([[$]$1])
+AC_SUBST([$1])[]dnl
+])
+
