X-Git-Url: http://git.ozo.com/?p=openwrt-10.03%2F.git;a=blobdiff_plain;f=include%2Fprereq.mk;h=4a55c89ffcf9afd115aab72f64d4973c64bfc674;hp=eda7ca35a6977dfae118b0247bf932fc53ded404;hb=391eb6e69c09d9f107b8c30a91c63dce37820043;hpb=f52d66ff00b24111f87c274d3d7085ef2e1d27b1

diff --git a/include/prereq.mk b/include/prereq.mk
index eda7ca35a..4a55c89ff 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -1,38 +1,37 @@
 # 
-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2006-2007 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 
-$(TMP_DIR):
-	mkdir -p $@
+ifneq ($(__prereq_inc),1)
+__prereq_inc:=1
 
 prereq:
 	if [ -f $(TMP_DIR)/.prereq-error ]; then \
 		echo; \
 		cat $(TMP_DIR)/.prereq-error; \
+		rm -f $(TMP_DIR)/.prereq-error; \
 		echo; \
-		rm -rf $(TMP_DIR); \
 		false; \
 	fi
-	rm -rf $(TMP_DIR)
-	mkdir -p $(TMP_DIR)
 
-.SILENT: $(TMP_DIR) prereq
+.SILENT: prereq
+endif
 
 define Require
   export PREREQ_CHECK=1
   ifeq ($$(CHECK_$(1)),)
     prereq: prereq-$(1)
 
-    prereq-$(1): $(TMP_DIR) FORCE
+    prereq-$(1): FORCE
 		echo -n "Checking '$(1)'... "
 		if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
 			echo 'ok.'; \
 		else \
 			echo 'failed.'; \
-			echo -e "$(strip $(2))" >> $(TMP_DIR)/.prereq-error; \
+			echo -e "$(PKG_NAME): $(strip $(2))" | perl -ne 's/\\\s*/\n/g,print' >> $(TMP_DIR)/.prereq-error; \
 		fi
 
     check-$(1): FORCE
@@ -52,3 +51,12 @@ define RequireCommand
   $$(eval $$(call Require,$(1),$(2)))
 endef
 
+define RequireHeader
+  define Require/$(1)
+    [ -e "$(1)" ]
+  endef
+  
+  $$(eval $$(call Require,$(1),$(2)))
+endef
+
+.NOTPARALLEL: