X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/c133c86f41a5be64876ad611debb189d5d8b479e..f0f8408f2055746841c2484ea69b7352a2231ba2:/include/prereq.mk

diff --git a/include/prereq.mk b/include/prereq.mk
index c51953b61..4a55c89ff 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -1,43 +1,44 @@
 # 
-# 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.
 #
 
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/verbose.mk
-
-$(TMP_DIR):
-	mkdir -p $@
+ifneq ($(__prereq_inc),1)
+__prereq_inc:=1
 
 prereq:
-	@echo
-	@if [ -f $(TMP_DIR)/.prereq-error ]; then \
+	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: prereq
+endif
 
 define Require
+  export PREREQ_CHECK=1
   ifeq ($$(CHECK_$(1)),)
     prereq: prereq-$(1)
 
-    prereq-$(1): $(TMP_DIR) FORCE
-		@echo -n "Checking '$(1)'... "
-		@if $(NO_TRACE_MAKE) -f $(INCLUDE_DIR)/prereq.mk check-$(1) >/dev/null 2>/dev/null; then \
+    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
 	  $(call Require/$(1))
     CHECK_$(1):=1
+
+    .SILENT: prereq-$(1) check-$(1)
   endif
 endef
 
@@ -50,69 +51,12 @@ define RequireCommand
   $$(eval $$(call Require,$(1),$(2)))
 endef
 
-# Required for the toolchain
-define Require/working-make
-	echo 'all: test' > $(TMP_DIR)/check.mk
-	echo 'e0 = $$$$(foreach s,foobar,$$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
-	echo 'e1 = $$$$(foreach s,foobar, $$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
-	echo 'test: $$$$(strip $$$$(e0)) $$$$(strip $$$$(e1))' >> $(TMP_DIR)/check.mk
-	$(NO_TRACE_MAKE) -f $(TMP_DIR)/check.mk
-endef
-
-$(eval $(call Require,working-make, \
-	Your make version is buggy. Please install GNU make v3.81 or later. \
-))
-
-define Require/working-gcc
-	echo 'int main(int argc, char **argv) { return 0; }' | \
-		gcc -x c -o $(TMP_DIR)/a.out -
-endef
-
-$(eval $(call Require,working-gcc, \
-	No working GNU C Compiler was found on your system. \
-))
-
-define Require/working-g++
-	echo 'int main(int argc, char **argv) { return 0; }' | \
-		g++ -x c++ -o $(TMP_DIR)/a.out -lstdc++ -
-endef
-
-$(eval $(call Require,working-g++, \
-	No working GNU C++ Compiler was found on your system. \
-))
-
-define Require/zlib
-	echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
-		gcc -x c -o $(TMP_DIR)/a.out -lz -
+define RequireHeader
+  define Require/$(1)
+    [ -e "$(1)" ]
+  endef
+  
+  $$(eval $$(call Require,$(1),$(2)))
 endef
 
-$(eval $(call Require,zlib, \
-	The development version of zlib was not found on your system. \
-))
-
-
-$(eval $(call RequireCommand,bison, \
-	Please install GNU bison. \
-))
-
-$(eval $(call RequireCommand,flex, \
-	Please install flex. \
-))
-
-$(eval $(call RequireCommand,python, \
-	Please install python. \
-))
-
-$(eval $(call RequireCommand,unzip, \
-	Please install unzip. \
-))
-
-$(eval $(call RequireCommand,bzip2, \
-	Please install bzip2. \
-))
-
-$(eval $(call RequireCommand,patch, \
-	Please install patch. \
-))
-
-
+.NOTPARALLEL: