From c133c86f41a5be64876ad611debb189d5d8b479e Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 19 Jul 2006 13:25:09 +0000
Subject: add a simple prerequisite check

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4168 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/prereq.mk | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 include/prereq.mk

(limited to 'include/prereq.mk')

diff --git a/include/prereq.mk b/include/prereq.mk
new file mode 100644
index 0000000000..c51953b619
--- /dev/null
+++ b/include/prereq.mk
@@ -0,0 +1,118 @@
+# 
+# Copyright (C) 2006 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 $@
+
+prereq:
+	@echo
+	@if [ -f $(TMP_DIR)/.prereq-error ]; then \
+		cat $(TMP_DIR)/.prereq-error; \
+		echo; \
+		rm -rf $(TMP_DIR); \
+		false; \
+	fi
+	@rm -rf $(TMP_DIR)
+	@mkdir -p $(TMP_DIR)
+
+define Require
+  ifeq ($$(CHECK_$(1)),)
+    prereq: prereq-$(1)
+
+    prereq-$(1): $(TMP_DIR) FORCE
+		@echo -n "Checking '$(1)'... "
+		@if $(NO_TRACE_MAKE) -f $(INCLUDE_DIR)/prereq.mk check-$(1) >/dev/null 2>/dev/null; then \
+			echo 'ok.'; \
+		else \
+			echo 'failed.'; \
+			echo -e "$(strip $(2))" >> $(TMP_DIR)/.prereq-error; \
+		fi
+
+    check-$(1): FORCE
+	  $(call Require/$(1))
+    CHECK_$(1):=1
+  endif
+endef
+
+
+define RequireCommand
+  define Require/$(1)
+    which $(1)
+  endef
+
+  $$(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 $(TMP_DIR)/a.out -lz -
+endef
+
+$(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. \
+))
+
+
-- 
cgit v1.2.3


From 32a794689db9de29aca836317584e2d1029df28f Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 19 Jul 2006 16:51:37 +0000
Subject: check for zlib.h as well

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4170 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/prereq.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'include/prereq.mk')

diff --git a/include/prereq.mk b/include/prereq.mk
index c51953b619..6b3621dbac 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -83,7 +83,7 @@ $(eval $(call Require,working-g++, \
 
 define Require/zlib
 	echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
-		gcc -x c -o $(TMP_DIR)/a.out -lz -
+		gcc -include zlib.h -x c -o $(TMP_DIR)/a.out -lz -
 endef
 
 $(eval $(call Require,zlib, \
-- 
cgit v1.2.3


From 2f6c50c708b9380b7ca94a73351c3760cb38f96a Mon Sep 17 00:00:00 2001
From: mbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Thu, 20 Jul 2006 23:51:25 +0000
Subject: update prereqs

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4179 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/prereq.mk | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

(limited to 'include/prereq.mk')

diff --git a/include/prereq.mk b/include/prereq.mk
index 6b3621dbac..6642ce40e3 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -6,29 +6,30 @@
 #
 
 include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/verbose.mk
 
 $(TMP_DIR):
 	mkdir -p $@
 
 prereq:
-	@echo
-	@if [ -f $(TMP_DIR)/.prereq-error ]; then \
+	echo
+	if [ -f $(TMP_DIR)/.prereq-error ]; then \
 		cat $(TMP_DIR)/.prereq-error; \
 		echo; \
 		rm -rf $(TMP_DIR); \
 		false; \
 	fi
-	@rm -rf $(TMP_DIR)
-	@mkdir -p $(TMP_DIR)
+	rm -rf $(TMP_DIR)
+	mkdir -p $(TMP_DIR)
+
+.SILENT: $(TMP_DIR) prereq
 
 define Require
   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 \
+		echo -n "Checking '$(1)'... "
+		if $(NO_TRACE_MAKE) -f $(INCLUDE_DIR)/prereq.mk check-$(1) >/dev/null 2>/dev/null; then \
 			echo 'ok.'; \
 		else \
 			echo 'failed.'; \
@@ -38,6 +39,8 @@ define Require
     check-$(1): FORCE
 	  $(call Require/$(1))
     CHECK_$(1):=1
+
+    .SILENT: prereq-$(1) check-$(1)
   endif
 endef
 
@@ -69,7 +72,7 @@ define Require/working-gcc
 endef
 
 $(eval $(call Require,working-gcc, \
-	No working GNU C Compiler was found on your system. \
+	No working GNU C Compiler (gcc) was found on your system. \
 ))
 
 define Require/working-g++
@@ -78,7 +81,7 @@ define Require/working-g++
 endef
 
 $(eval $(call Require,working-g++, \
-	No working GNU C++ Compiler was found on your system. \
+	No working GNU C++ Compiler (g++) was found on your system. \
 ))
 
 define Require/zlib
@@ -87,7 +90,7 @@ define Require/zlib
 endef
 
 $(eval $(call Require,zlib, \
-	The development version of zlib was not found on your system. \
+	No zlib development files were not found on your system. \
 ))
 
 
@@ -115,4 +118,6 @@ $(eval $(call RequireCommand,patch, \
 	Please install patch. \
 ))
 
-
+$(eval $(call RequireCommand,perl, \
+	Please install perl. \
+))
-- 
cgit v1.2.3


From 25307576b9e7d8c2076f820775c9f65b1b3478cc Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 22 Jul 2006 11:43:48 +0000
Subject: fix prereqs

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4203 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/prereq.mk | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'include/prereq.mk')

diff --git a/include/prereq.mk b/include/prereq.mk
index 6642ce40e3..cbd26be124 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -29,7 +29,7 @@ define Require
 
     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 \
+		if $(MAKE) -f $(INCLUDE_DIR)/prereq.mk check-$(1) >/dev/null 2>/dev/null; then \
 			echo 'ok.'; \
 		else \
 			echo 'failed.'; \
@@ -59,7 +59,7 @@ define Require/working-make
 	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
+	$(MAKE) -f $(TMP_DIR)/check.mk
 endef
 
 $(eval $(call Require,working-make, \
-- 
cgit v1.2.3


From 6ebfaece496cffd64455080e24df249d38c17e94 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 22 Jul 2006 12:04:08 +0000
Subject: revert last prereq.mk - seems to be a different issue

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4204 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/prereq.mk | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'include/prereq.mk')

diff --git a/include/prereq.mk b/include/prereq.mk
index cbd26be124..6642ce40e3 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -29,7 +29,7 @@ define Require
 
     prereq-$(1): $(TMP_DIR) FORCE
 		echo -n "Checking '$(1)'... "
-		if $(MAKE) -f $(INCLUDE_DIR)/prereq.mk check-$(1) >/dev/null 2>/dev/null; then \
+		if $(NO_TRACE_MAKE) -f $(INCLUDE_DIR)/prereq.mk check-$(1) >/dev/null 2>/dev/null; then \
 			echo 'ok.'; \
 		else \
 			echo 'failed.'; \
@@ -59,7 +59,7 @@ define Require/working-make
 	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
-	$(MAKE) -f $(TMP_DIR)/check.mk
+	$(NO_TRACE_MAKE) -f $(TMP_DIR)/check.mk
 endef
 
 $(eval $(call Require,working-make, \
-- 
cgit v1.2.3


From 27335d91b487bca2a004f3541bbe402ba3f68faf Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 23 Jul 2006 23:02:37 +0000
Subject: add ncurses to prereq checks

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4244 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/prereq.mk | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'include/prereq.mk')

diff --git a/include/prereq.mk b/include/prereq.mk
index 6642ce40e3..e514855a67 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -84,6 +84,16 @@ $(eval $(call Require,working-g++, \
 	No working GNU C++ Compiler (g++) was found on your system. \
 ))
 
+define Require/ncurses
+	echo 'int main(int argc, char **argv) { initscr(); return 0; }' | \
+		gcc -include ncurses.h -x c -o $(TMP_DIR)/a.out -lncurses -
+endef
+
+$(eval $(call Require,ncurses, \
+	No ncurses development files were not found on your system. \
+))
+
+
 define Require/zlib
 	echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
 		gcc -include zlib.h -x c -o $(TMP_DIR)/a.out -lz -
-- 
cgit v1.2.3


From 432ce85854aea17f9383519db1c2d3a8307c0760 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 29 Jul 2006 11:30:06 +0000
Subject: add support for per-package prereq checks, run global prereq checks
 before (menu-)config

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4318 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 Makefile                    | 25 +++++++++----
 include/package.mk          |  2 ++
 include/prereq-build.mk     | 88 +++++++++++++++++++++++++++++++++++++++++++++
 include/prereq.mk           | 84 ++-----------------------------------------
 package/Makefile            |  9 +++--
 package/base-files/Makefile |  4 +--
 6 files changed, 119 insertions(+), 93 deletions(-)
 create mode 100644 include/prereq-build.mk

(limited to 'include/prereq.mk')

diff --git a/Makefile b/Makefile
index e2e467cd8c..a23f478d7c 100644
--- a/Makefile
+++ b/Makefile
@@ -31,14 +31,17 @@ export OPENWRTVERSION
 
 all: world
 
-.pkginfo: FORCE
 ifneq ($(shell ./scripts/timestamp.pl -p .pkginfo package Makefile),.pkginfo)
+.pkginfo: FORCE
+.config: FORCE
+endif
+
+.pkginfo:
 	@echo Collecting package info...
 	@-for dir in package/*/; do \
 		echo Source-Makefile: $${dir}Makefile; \
 		$(NO_TRACE_MAKE) --no-print-dir DUMP=1 -C $$dir 2>&- || true; \
 	done > $@
-endif
 
 .config.in: .pkginfo
 	@./scripts/gen_menuconfig.pl < $< > $@ || rm -f $@
@@ -77,18 +80,25 @@ target/%: .pkginfo FORCE
 toolchain/%: FORCE
 	$(MAKE) -C toolchain $(patsubst toolchain/%,%,$@)
 
-.config: ./scripts/config/conf FORCE
+.config: ./scripts/config/conf
 	@[ -f .config ] || $(NO_TRACE_MAKE) menuconfig
 	@$< -D .config Config.in &> /dev/null
 
-.prereq: $(TOPDIR)/include/prereq.mk .pkginfo
-	@$(NO_TRACE_MAKE) -s -f $(TOPDIR)/include/prereq.mk prereq 2>/dev/null || { \
+.prereq-build: $(TOPDIR)/include/prereq-build.mk
+	@$(NO_TRACE_MAKE) -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
 		echo "Prerequisite check failed. Use FORCE=1 to override."; \
 		false; \
 	}
 	@touch $@
 
-prereq: .prereq FORCE
+.prereq-packages: $(TOPDIR)/include/prereq.mk .pkginfo .config
+	@$(NO_TRACE_MAKE) -s -C package prereq 2>/dev/null || { \
+		echo "Prerequisite check failed. Use FORCE=1 to override."; \
+		false; \
+	}
+	@touch $@
+	
+prereq: .prereq-build .prereq-packages FORCE
 
 download: .config FORCE
 	$(MAKE) toolchain/download
@@ -96,7 +106,8 @@ download: .config FORCE
 	$(MAKE) target/download
 
 ifeq ($(FORCE),)
-world: .prereq
+.config ./scripts/config/conf ./scripts/config/mconf: .prereq-build
+world: .prereq-packages
 endif
 
 world: .config FORCE
diff --git a/include/package.mk b/include/package.mk
index e0765f7bab..cd1a33c484 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -10,6 +10,8 @@ else
   all: compile
 endif
 
+include $(INCLUDE_DIR)/prereq.mk
+
 define Build/DefaultTargets
   ifeq ($(DUMP),)
     ifeq ($(CONFIG_AUTOREBUILD),y)
diff --git a/include/prereq-build.mk b/include/prereq-build.mk
new file mode 100644
index 0000000000..a6de9b270a
--- /dev/null
+++ b/include/prereq-build.mk
@@ -0,0 +1,88 @@
+# 
+# Copyright (C) 2006 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)/prereq.mk
+
+# 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 (gcc) 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 (g++) was found on your system. \
+))
+
+define Require/ncurses
+	echo 'int main(int argc, char **argv) { initscr(); return 0; }' | \
+		gcc -include ncurses.h -x c -o $(TMP_DIR)/a.out -lncurses -
+endef
+
+$(eval $(call Require,ncurses, \
+	No ncurses development files were not found on your system. \
+))
+
+
+define Require/zlib
+	echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
+		gcc -include zlib.h -x c -o $(TMP_DIR)/a.out -lz -
+endef
+
+$(eval $(call Require,zlib, \
+	No zlib development files were not found on your system. \
+))
+
+
+$(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 $(call RequireCommand,patch, \
+	Please install patch. \
+))
+
+$(eval $(call RequireCommand,perl, \
+	Please install perl. \
+))
diff --git a/include/prereq.mk b/include/prereq.mk
index e514855a67..c9b82d2947 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -5,14 +5,12 @@
 # See /LICENSE for more information.
 #
 
-include $(TOPDIR)/rules.mk
-
 $(TMP_DIR):
 	mkdir -p $@
 
 prereq:
-	echo
 	if [ -f $(TMP_DIR)/.prereq-error ]; then \
+		echo; \
 		cat $(TMP_DIR)/.prereq-error; \
 		echo; \
 		rm -rf $(TMP_DIR); \
@@ -29,7 +27,7 @@ define Require
 
     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 \
+		if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
 			echo 'ok.'; \
 		else \
 			echo 'failed.'; \
@@ -53,81 +51,3 @@ 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 (gcc) 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 (g++) was found on your system. \
-))
-
-define Require/ncurses
-	echo 'int main(int argc, char **argv) { initscr(); return 0; }' | \
-		gcc -include ncurses.h -x c -o $(TMP_DIR)/a.out -lncurses -
-endef
-
-$(eval $(call Require,ncurses, \
-	No ncurses development files were not found on your system. \
-))
-
-
-define Require/zlib
-	echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
-		gcc -include zlib.h -x c -o $(TMP_DIR)/a.out -lz -
-endef
-
-$(eval $(call Require,zlib, \
-	No zlib development files were not found on your system. \
-))
-
-
-$(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 $(call RequireCommand,patch, \
-	Please install patch. \
-))
-
-$(eval $(call RequireCommand,perl, \
-	Please install perl. \
-))
diff --git a/package/Makefile b/package/Makefile
index 7a3af2e6f7..629ce88109 100644
--- a/package/Makefile
+++ b/package/Makefile
@@ -10,13 +10,17 @@ include $(TOPDIR)/rules.mk
 include $(TOPDIR)/.config
 include $(TOPDIR)/.pkgdeps
 
-SOURCE_PACKAGES:=$(patsubst %,%-download,$(package-y) $(package-m))
+PREREQ_PACKAGES:=$(patsubst %,%-prereq,$(package-y) $(package-m))
+DOWNLOAD_PACKAGES:=$(patsubst %,%-download,$(package-y) $(package-m))
 COMPILE_PACKAGES:=$(patsubst %,%-compile,$(package-y) $(package-m))
 INSTALL_PACKAGES:=$(patsubst %,%-install,$(package-y))
 
 $(STAMP_DIR) $(TARGET_DIR):
 	mkdir -p $@
 
+%-prereq: $(STAMP_DIR) $(TARGET_DIR)
+	$(MAKE) -C $(patsubst %-prereq,%,$@) prereq MAKEFLAGS="$(BUILD_MAKEFLAGS)"
+
 %-download: $(STAMP_DIR) $(TARGET_DIR)
 	$(MAKE) -C $(patsubst %-download,%,$@) download MAKEFLAGS="$(BUILD_MAKEFLAGS)"
 
@@ -41,7 +45,8 @@ $(TOPDIR)/.pkgdeps: $(TOPDIR)/.pkginfo
 
 all: compile
 clean: $(patsubst %,%-clean,$(package-) $(package-y) $(package-m))
-download: $(SOURCE_PACKAGES)
+prereq: $(PREREQ_PACKAGES)
+download: $(DOWNLOAD_PACKAGES)
 compile-targets: $(COMPILE_PACKAGES)
 compile:
 	$(MAKE) -j$(CONFIG_JLEVEL) compile-targets
diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index 01ea9674c5..e41e1fd798 100644
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -22,8 +22,8 @@ include $(INCLUDE_DIR)/package.mk
 
 ifneq ($(DUMP),1)
 TARGET:=-$(BOARD)-$(KERNEL)
-UCLIBC_VERSION:=${shell cat $(STAGING_DIR)/uclibc_version}
-LIBGCC_VERSION:=${shell cat $(STAGING_DIR)/gcc_version}
+UCLIBC_VERSION:=${shell cat $(STAGING_DIR)/uclibc_version 2>/dev/null}
+LIBGCC_VERSION:=${shell cat $(STAGING_DIR)/gcc_version 2>/dev/null}
 else
 UCLIBC_VERSION:=<UCLIBC_VERSION>
 LIBGCC_VERSION:=<LIBGCC_VERSION>
-- 
cgit v1.2.3


From cf807efd13ca47672871d0c50d23274fe34c3114 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Thu, 5 Oct 2006 12:39:52 +0000
Subject: speed up package prereq check (only run make on those directories
 that actually contain prereq checks)

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4927 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/package.mk  | 3 ++-
 include/prereq.mk   | 1 +
 package/Makefile    | 2 +-
 scripts/gen_deps.pl | 8 +++++++-
 4 files changed, 11 insertions(+), 3 deletions(-)

(limited to 'include/prereq.mk')

diff --git a/include/package.mk b/include/package.mk
index 709bb44155..3f2f7d41be 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -163,13 +163,14 @@ define BuildPackage
     endif
 
     DUMPINFO += \
+	if [ "$$$$PREREQ_CHECK" = 1 ]; then echo "Prereq-Check: 1"; fi; \
 	echo "Version: $(VERSION)"; \
 	echo "Depends: $$(IDEPEND_$(1))"; \
 	echo "Build-Depends: $(PKG_BUILDDEP)"; \
 	echo "Category: $(CATEGORY)"; \
 	echo "Title: $(TITLE)"; \
 	echo "Description: $(DESCRIPTION)" | sed -e 's,\\,\n,g';
-
+	
     ifneq ($(URL),)
       DUMPINFO += \
 	echo; \
diff --git a/include/prereq.mk b/include/prereq.mk
index c9b82d2947..eda7ca35a6 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -22,6 +22,7 @@ prereq:
 .SILENT: $(TMP_DIR) prereq
 
 define Require
+  export PREREQ_CHECK=1
   ifeq ($$(CHECK_$(1)),)
     prereq: prereq-$(1)
 
diff --git a/package/Makefile b/package/Makefile
index b9392c0490..b6165b8567 100644
--- a/package/Makefile
+++ b/package/Makefile
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 include $(TOPDIR)/.config
 include $(TOPDIR)/.pkgdeps
 
-PREREQ_PACKAGES:=$(patsubst %,%-prereq,$(package-y) $(package-m))
+PREREQ_PACKAGES:=$(patsubst %,%-prereq,$(package-prereq))
 DOWNLOAD_PACKAGES:=$(patsubst %,%-download,$(package-y) $(package-m))
 COMPILE_PACKAGES:=$(patsubst %,%-compile,$(package-y) $(package-m))
 INSTALL_PACKAGES:=$(patsubst %,%-install,$(package-y))
diff --git a/scripts/gen_deps.pl b/scripts/gen_deps.pl
index 70c07b70a8..e7daf18866 100755
--- a/scripts/gen_deps.pl
+++ b/scripts/gen_deps.pl
@@ -13,6 +13,8 @@ my $src;
 my $makefile;
 my %conf;
 my %pkg;
+my %prereq;
+my $prereq;
 my %dep;
 my %options;
 my $opt;
@@ -33,6 +35,10 @@ while ($line = <>) {
 		defined $pkg{$name} or $pkg{$name} = {};
 		$pkg{$name}->{src} = $src;
 	};
+	$line =~ /^Prereq-Check:/ and !defined $prereq{$src} and do {
+		$prereq{$src} = 1;
+		$prereq .= "package-prereq += $src\n";
+	};
 	$line =~ /^(Build-)?Depends: \s*(.+)\s*$/ and do {
 		$pkg{$name}->{depends} ||= [];
 		foreach my $v (split /\s+/, $2) {
@@ -75,5 +81,5 @@ foreach $name (sort {uc($a) cmp uc($b)} keys %pkg) {
 }
 
 if ($line ne "") {
-	print "\n$line";
+	print "\n$line\n$prereq";
 }
-- 
cgit v1.2.3