Check for mkdir -p or equivalent, and use that rather than simple mkdir to create the modules, modules/gconf and modules/rtp directories.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2077 fefdeb5f-60dc-0310-8127-8f9354f1896f

configure.ac

@@ -79,6 +79,10 @@ esac
 
 #### Checks for programs. ####
 
+# mkdir -p
+
+AC_PROG_MKDIR_P
+
 # CC
 
 AC_PROG_CC

src/Makefile.am

@@ -1151,9 +1151,9 @@ EXTRA_DIST += $(SYMDEF_FILES)
 BUILT_SOURCES += $(SYMDEF_FILES)
 
 $(SYMDEF_FILES): modules/module-defs.h.m4
-	-mkdir modules
-	-mkdir modules/gconf
-	-mkdir modules/rtp
+	$(MKDIR_P) modules
+	$(MKDIR_P) modules/gconf
+	$(MKDIR_P) modules/rtp
 	$(M4) -Dfname="$@" $< > $@
 
 # Simple protocol