diff --git a/m4/gtk-doc.m4 b/m4/gtk-doc.m4
index 0ada151..3675543 100644
--- a/m4/gtk-doc.m4
+++ b/m4/gtk-doc.m4
@@ -1,6 +1,6 @@
 dnl -*- mode: autoconf -*-
 
-# serial 1
+# serial 2
 
 dnl Usage:
 dnl   GTK_DOC_CHECK([minimum-gtk-doc-version])
@@ -10,8 +10,24 @@
   AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first
   AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first
 
+  ifelse([$1],[],[gtk_doc_requires="gtk-doc"],[gtk_doc_requires="gtk-doc >= $1"])
+  AC_MSG_CHECKING([for gtk-doc])
+  PKG_CHECK_EXISTS([$gtk_doc_requires],[have_gtk_doc=yes],[have_gtk_doc=no])
+  AC_MSG_RESULT($have_gtk_doc)
+
+  if test "$have_gtk_doc" = "no"; then
+      AC_MSG_WARN([
+  You will not be able to create source packages with 'make dist'
+  because $gtk_doc_requires is not found.])
+  fi
+
   dnl check for tools we added during development
-  AC_PATH_PROG([GTKDOC_CHECK],[gtkdoc-check])
+  dnl Use AC_CHECK_PROG to avoid the check target using an absolute path that
+  dnl may not be writable by the user. Currently, automake requires that the
+  dnl test name must end in '.test'.
+  dnl https://bugzilla.gnome.org/show_bug.cgi?id=701638
+  AC_CHECK_PROG([GTKDOC_CHECK],[gtkdoc-check],[gtkdoc-check.test])
+  AC_PATH_PROG([GTKDOC_CHECK_PATH],[gtkdoc-check])
   AC_PATH_PROGS([GTKDOC_REBASE],[gtkdoc-rebase],[true])
   AC_PATH_PROG([GTKDOC_MKPDF],[gtkdoc-mkpdf])
 
@@ -28,21 +44,21 @@
                    [use gtk-doc to build documentation [[default=no]]]),,
     [enable_gtk_doc=no])
 
-  if test x$enable_gtk_doc = xyes; then
-    ifelse([$1],[],
-      [PKG_CHECK_EXISTS([gtk-doc],,
-                        AC_MSG_ERROR([gtk-doc not installed and --enable-gtk-doc requested]))],
-      [PKG_CHECK_EXISTS([gtk-doc >= $1],,
-                        AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build $PACKAGE_NAME]))])
-    dnl don't check for glib if we build glib
-    if test "x$PACKAGE_NAME" != "xglib"; then
-      dnl don't fail if someone does not have glib
-      PKG_CHECK_MODULES(GTKDOC_DEPS, glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0,,)
-    fi
+  AC_MSG_CHECKING([whether to build gtk-doc documentation])
+  AC_MSG_RESULT($enable_gtk_doc)
+
+  if test "x$enable_gtk_doc" = "xyes" && test "$have_gtk_doc" = "no"; then
+    AC_MSG_ERROR([
+  You must have $gtk_doc_requires installed to build documentation for
+  $PACKAGE_NAME. Please install gtk-doc or disable building the
+  documentation by adding '--disable-gtk-doc' to '[$]0'.])
   fi
 
-  AC_MSG_CHECKING([whether to build gtk-doc documentation])
-  AC_MSG_RESULT($enable_gtk_doc)
+  dnl don't check for glib if we build glib
+  if test "x$PACKAGE_NAME" != "xglib"; then
+    dnl don't fail if someone does not have glib
+    PKG_CHECK_MODULES(GTKDOC_DEPS, glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0,,[:])
+  fi
 
   dnl enable/disable output formats
   AC_ARG_ENABLE([gtk-doc-html],
@@ -58,7 +74,12 @@
     enable_gtk_doc_pdf=no
   fi
 
+  if test -z "$AM_DEFAULT_VERBOSITY"; then
+    AM_DEFAULT_VERBOSITY=1
+  fi
+  AC_SUBST([AM_DEFAULT_VERBOSITY])
 
+  AM_CONDITIONAL([HAVE_GTK_DOC], [test x$have_gtk_doc = xyes])
   AM_CONDITIONAL([ENABLE_GTK_DOC], [test x$enable_gtk_doc = xyes])
   AM_CONDITIONAL([GTK_DOC_BUILD_HTML], [test x$enable_gtk_doc_html = xyes])
   AM_CONDITIONAL([GTK_DOC_BUILD_PDF], [test x$enable_gtk_doc_pdf = xyes])
diff --git a/m4/intltool.m4 b/m4/intltool.m4
index 33353ed..c25b7b1 100644
--- a/m4/intltool.m4
+++ b/m4/intltool.m4
@@ -154,31 +154,6 @@
 
 # Substitute ALL_LINGUAS so we can use it in po/Makefile
 AC_SUBST(ALL_LINGUAS)
-
-# Set DATADIRNAME correctly if it is not set yet
-# (copied from glib-gettext.m4)
-if test -z "$DATADIRNAME"; then
-  AC_LINK_IFELSE(
-    [AC_LANG_PROGRAM([[]],
-                     [[extern int _nl_msg_cat_cntr;
-                       return _nl_msg_cat_cntr]])],
-    [DATADIRNAME=share],
-    [case $host in
-    *-*-solaris*)
-    dnl On Solaris, if bind_textdomain_codeset is in libc,
-    dnl GNU format message catalog is always supported,
-    dnl since both are added to the libc all together.
-    dnl Hence, we'd like to go with DATADIRNAME=share
-    dnl in this case.
-    AC_CHECK_FUNC(bind_textdomain_codeset,
-      [DATADIRNAME=share], [DATADIRNAME=lib])
-    ;;
-    *)
-    [DATADIRNAME=lib]
-    ;;
-    esac])
-fi
-AC_SUBST(DATADIRNAME)
 
 IT_PO_SUBDIR([po])
 
diff --git a/po/Makefile.in.in b/po/Makefile.in.in
index 06a8cfe..fcd2c3b 100644
--- a/po/Makefile.in.in
+++ b/po/Makefile.in.in
@@ -33,8 +33,7 @@
 datadir = @datadir@
 datarootdir = @datarootdir@
 libdir = @libdir@
-DATADIRNAME = @DATADIRNAME@
-itlocaledir = $(prefix)/$(DATADIRNAME)/locale
+localedir = @localedir@
 subdir = po
 install_sh = @install_sh@
 # Automake >= 1.8 provides @mkdir_p@.
@@ -80,7 +79,7 @@
 
 .po.pox:
 	$(MAKE) $(GETTEXT_PACKAGE).pot
-	$(MSGMERGE) $< $(GETTEXT_PACKAGE).pot -o $*.pox
+	$(MSGMERGE) $* $(GETTEXT_PACKAGE).pot -o $*.pox
 
 .po.mo:
 	$(INTLTOOL_V_MSGFMT)$(MSGFMT) -o $@ $<
@@ -108,7 +107,7 @@
 install-data-yes: all
 	linguas="$(USE_LINGUAS)"; \
 	for lang in $$linguas; do \
-	  dir=$(DESTDIR)$(itlocaledir)/$$lang/LC_MESSAGES; \
+	  dir=$(DESTDIR)$(localedir)/$$lang/LC_MESSAGES; \
 	  $(mkdir_p) $$dir; \
 	  if test -r $$lang.gmo; then \
 	    $(INSTALL_DATA) $$lang.gmo $$dir/$(GETTEXT_PACKAGE).mo; \
@@ -142,8 +141,8 @@
 uninstall:
 	linguas="$(USE_LINGUAS)"; \
 	for lang in $$linguas; do \
-	  rm -f $(DESTDIR)$(itlocaledir)/$$lang/LC_MESSAGES/$(GETTEXT_PACKAGE).mo; \
-	  rm -f $(DESTDIR)$(itlocaledir)/$$lang/LC_MESSAGES/$(GETTEXT_PACKAGE).mo.m; \
+	  rm -f $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(GETTEXT_PACKAGE).mo; \
+	  rm -f $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(GETTEXT_PACKAGE).mo.m; \
 	done
 
 check: all $(GETTEXT_PACKAGE).pot