Create installation directories in the common install-* targets.

This is needed for components that override install locations (libpostproc).

Originally committed as revision 5036 to svn://svn.ffmpeg.org/ffmpeg/trunk

Makefile

@@ -138,7 +138,6 @@ install-vhook:
 	$(MAKE) -C vhook install
 
 install-libs:
-	install -d "$(libdir)"
 	$(MAKE) -C libavutil   install-libs
 	$(MAKE) -C libavcodec  install-libs
 	$(MAKE) -C libavformat install-libs
@@ -150,8 +149,6 @@ ifeq ($(BUILD_SHARED),yes)
 endif
 
 install-headers:
-	install -d "$(incdir)"
-	install -d "$(libdir)/pkgconfig"
 	$(MAKE) -C libavutil   install-headers
 	$(MAKE) -C libavcodec  install-headers
 	$(MAKE) -C libavformat install-headers

common.mak

@@ -71,6 +71,7 @@ install: install-libs install-headers
 install-libs: $(INSTLIBTARGETS)
 
 install-lib-shared: $(SLIBNAME)
+	install -d "$(libdir)"
 ifeq ($(CONFIG_WIN32),yes)
 	install $(INSTALLSTRIP) -m 755 $(SLIBNAME) "$(prefix)"
 else
@@ -83,9 +84,12 @@ else
 endif
 
 install-lib-static: $(LIB)
+	install -d "$(libdir)"
 	install -m 644 $(LIB) "$(libdir)"
 
 install-headers:
+	install -d "$(incdir)"
+	install -d "$(libdir)/pkgconfig"
 	install -m 644 $(addprefix "$(SRC_DIR)"/,$(HEADERS)) "$(incdir)"
 	install -m 644 $(BUILD_ROOT)/lib$(NAME).pc "$(libdir)/pkgconfig"