Add newer versions of gettext.m4 and po.m4 to silence warnings.

Makefile.in

@@ -90,15 +90,15 @@ build_triplet = @build@
 host_triplet = @host@
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/m4/boost.m4 \
-	$(top_srcdir)/m4/gettext.m4 $(top_srcdir)/m4/iconv.m4 \
-	$(top_srcdir)/m4/lib-ld.m4 $(top_srcdir)/m4/lib-link.m4 \
-	$(top_srcdir)/m4/lib-prefix.m4 $(top_srcdir)/m4/libtool.m4 \
-	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
-	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/m4/nls.m4 $(top_srcdir)/m4/po.m4 \
-	$(top_srcdir)/m4/progtest.m4 $(top_srcdir)/m4/wxwin.m4 \
-	$(top_srcdir)/configure.ac
+am__aclocal_m4_deps = $(top_srcdir)/m4/ax_cxx_compile_stdcxx.m4 \
+	$(top_srcdir)/m4/boost.m4 $(top_srcdir)/m4/gettext.m4 \
+	$(top_srcdir)/m4/iconv.m4 $(top_srcdir)/m4/lib-ld.m4 \
+	$(top_srcdir)/m4/lib-link.m4 $(top_srcdir)/m4/lib-prefix.m4 \
+	$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
+	$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
+	$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/nls.m4 \
+	$(top_srcdir)/m4/po.m4 $(top_srcdir)/m4/progtest.m4 \
+	$(top_srcdir)/m4/wxwin.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 DIST_COMMON = $(srcdir)/Makefile.am $(top_srcdir)/configure \
@@ -203,8 +203,8 @@ CSCOPE = cscope
 DIST_SUBDIRS = $(SUBDIRS)
 am__DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/config.h.in \
 	$(top_srcdir)/install/darkradiant.desktop.in AUTHORS NEWS \
-	compile config.guess config.rpath config.sub depcomp \
-	install-sh ltmain.sh missing
+	compile config.guess config.rpath config.sub install-sh \
+	ltmain.sh missing
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
@@ -311,6 +311,7 @@ GREP = @GREP@
 HAS_MSGFMT = @HAS_MSGFMT@
 HAS_MSGMERGE = @HAS_MSGMERGE@
 HAS_XGETTEXT = @HAS_XGETTEXT@
+HAVE_CXX11 = @HAVE_CXX11@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@

aclocal.m4

@@ -1067,38 +1067,6 @@ else
 fi
 ])
 
-# Copyright (C) 2003-2014 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.
-
-# AM_PROG_MKDIR_P
-# ---------------
-# Check for 'mkdir -p'.
-AC_DEFUN([AM_PROG_MKDIR_P],
-[AC_PREREQ([2.60])dnl
-AC_REQUIRE([AC_PROG_MKDIR_P])dnl
-dnl FIXME we are no longer going to remove this! adjust warning
-dnl FIXME message accordingly.
-AC_DIAGNOSE([obsolete],
-[$0: this macro is deprecated, and will soon be removed.
-You should use the Autoconf-provided 'AC][_PROG_MKDIR_P' macro instead,
-and use '$(MKDIR_P)' instead of '$(mkdir_p)'in your Makefile.am files.])
-dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
-dnl while keeping a definition of mkdir_p for backward compatibility.
-dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
-dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
-dnl Makefile.ins that do not define MKDIR_P, so we do our own
-dnl adjustment using top_builddir (which is defined more often than
-dnl MKDIR_P).
-AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
-case $mkdir_p in
-  [[\\/$]]* | ?:[[\\/]]*) ;;
-  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
-esac
-])
-
 # Helper functions for option handling.                     -*- Autoconf -*-
 
 # Copyright (C) 2001-2014 Free Software Foundation, Inc.
@@ -1515,6 +1483,7 @@ AC_SUBST([am__tar])
 AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 
+m4_include([m4/ax_cxx_compile_stdcxx.m4])
 m4_include([m4/boost.m4])
 m4_include([m4/gettext.m4])
 m4_include([m4/iconv.m4])

config.h.in

@@ -51,6 +51,9 @@
    the CoreFoundation framework. */
 #undef HAVE_CFPREFERENCESCOPYAPPVALUE
 
+/* define if the compiler supports basic C++11 syntax */
+#undef HAVE_CXX11
+
 /* Define if the GNU dcgettext() function is already present or preinstalled.
    */
 #undef HAVE_DCGETTEXT