diff -ru a/GNUmakefile.am b/GNUmakefile.am
--- a/GNUmakefile.am	2012-06-11 01:32:19.230938913 -0400
+++ b/GNUmakefile.am	2012-06-11 01:33:07.243937957 -0400
@@ -286,7 +286,7 @@
 # Older automake versions (1.7) place Plo files in a different place so we need
 # to create the output directory manually.
 all-local: stamp-po
-	$(mkdir_p) $(top_builddir)/$(DEPDIR)/DerivedSources
+	$(MKDIR_P) $(top_builddir)/$(DEPDIR)/DerivedSources
 
 # Horrible hack to enable workaround for parallel make failure
 all-built-sources-local: $(BUILT_SOURCES) autotoolsconfig.h
diff -ru a/Source/WebKit/gtk/po/GNUmakefile.am b/Source/WebKit/gtk/po/GNUmakefile.am
--- a/Source/WebKit/gtk/po/GNUmakefile.am	2012-06-11 01:32:19.483938909 -0400
+++ b/Source/WebKit/gtk/po/GNUmakefile.am	2012-06-11 01:32:39.391938512 -0400
@@ -140,13 +140,13 @@
 	$(top_builddir)/Source/WebKit/gtk/po/$(DOMAIN).pot
 
 po-install-data-local: all
-	$(mkdir_p) $(DESTDIR)$(datadir)
+	$(MKDIR_P) $(DESTDIR)$(datadir)
 	@catalogs='$(MOFILES)'; \
 	for cat in $$catalogs; do \
 	  cat=`basename $$cat`; \
 	  lang=`echo $$cat | sed -e 's/\.mo$$//'`; \
 	  dir=$(localedir)/$$lang/LC_MESSAGES; \
-	  $(mkdir_p) $(DESTDIR)$$dir; \
+	  $(MKDIR_P) $(DESTDIR)$$dir; \
 	  if test -r Source/WebKit/gtk/po/$$cat; then realcat=Source/WebKit/gtk/po/$$cat; else realcat=$(srcdir)/$$cat; fi; \
 	  $(INSTALL_DATA) $$realcat $(DESTDIR)$$dir/$(DOMAIN).mo; \
 	  echo "installing $$realcat as $(DESTDIR)$$dir/$(DOMAIN).mo"; \
@@ -181,13 +181,13 @@
 	done
 
 po-installdirs-data-local:
-	$(mkdir_p) $(DESTDIR)$(datadir)
+	$(MKDIR_P) $(DESTDIR)$(datadir)
 	@catalogs='$(MOFILES)'; \
 	for cat in $$catalogs; do \
 	  cat=`basename $$cat`; \
 	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
 	  dir=$(localedir)/$$lang/LC_MESSAGES; \
-	  $(mkdir_p) $(DESTDIR)$$dir; \
+	  $(MKDIR_P) $(DESTDIR)$$dir; \
 	  for lc in '' $(EXTRA_LOCALE_CATEGORIES); do \
 	    if test -n "$$lc"; then \
 	      if (cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc 2>/dev/null) | grep ' -> ' >/dev/null; then \