Add a help target in case people want to read the README ;)

[openwrt-10.03/.git] / Makefile

diff --git a/Makefile b/Makefile
index ed1e34db474f93dc62991a476afb813f300d52d6..2dcb72763613604b738241fd817e1e558f0ac9be 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,15 @@ RELEASE:=Kamikaze
 
 all: world
 
-export TOPDIR=${shell pwd}
+SHELL:=/usr/bin/env bash
+export LC_ALL=C
+export LANG=C
+export TOPDIR=${CURDIR}
+ifeq ($(KBUILD_VERBOSE),99)
+  MAKE:=3>/dev/null $(MAKE)
+endif
+export IS_TTY=$(shell tty -s && echo 1 || echo 0)
+
 include $(TOPDIR)/include/verbose.mk
 
 OPENWRTVERSION:=$(RELEASE)
@@ -31,29 +39,48 @@ else
 endif
 export OPENWRTVERSION
 
-ifneq ($(shell ./scripts/timestamp.pl -p .pkginfo package Makefile),.pkginfo)
-  .pkginfo .config: FORCE
+ifneq ($(shell ./scripts/timestamp.pl -p tmp/.pkginfo package scripts include),tmp/.pkginfo)
+  tmp/.pkginfo: FORCE
+endif
+
+ifneq ($(shell ./scripts/timestamp.pl -p tmp/.targetinfo target/linux scripts include),tmp/.targetinfo)
+  tmp/.targetinfo: FORCE
 endif
 
 ifeq ($(FORCE),)
-  .config scripts/config/conf scripts/config/mconf: .prereq-build
-  world: .prereq-packages
+  .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
+  world: tmp/.prereq-packages tmp/.prereq-target
 endif
 
-.pkginfo:
+tmp/.pkginfo:
+       @mkdir -p tmp
        @echo Collecting package info...
        @-for dir in package/*/; do \
+               [ -f "$${dir}/Makefile" ] || continue; \
                echo Source-Makefile: $${dir}Makefile; \
-               $(NO_TRACE_MAKE) --no-print-dir DUMP=1 -C $$dir || echo "ERROR: please fix $${dir}Makefile" >&2; \
+               $(NO_TRACE_MAKE) --no-print-dir DUMP=1 -C $$dir 3>/dev/null || echo "ERROR: please fix $${dir}Makefile" >&2; \
+               echo; \
        done > $@
 
-pkginfo-clean: FORCE
-       -rm -f .pkginfo .config.in
+tmp/.targetinfo:
+       @mkdir -p tmp
+       @echo Collecting target info...
+       @-for dir in target/linux/*/; do \
+               [ -f "$${dir}/Makefile" ] || continue; \
+               ( cd "$$dir"; $(NO_TRACE_MAKE) --no-print-dir DUMP=1 3>/dev/null || echo "ERROR: please fix $${dir}Makefile" >&2 ); \
+               echo; \
+       done > $@
+
+tmpinfo-clean: FORCE
+       @-rm -rf tmp/.pkginfo tmp/.targetinfo
+
+tmp/.config.in: tmp/.pkginfo
+       @./scripts/gen_package_config.pl < $< > $@ || rm -f $@
 
-.config.in: .pkginfo
-       @./scripts/gen_menuconfig.pl < $< > $@ || rm -f $@
+tmp/.config-target.in: tmp/.targetinfo
+       @./scripts/gen_target_config.pl < $< > $@ || rm -f $@
 
-.config: ./scripts/config/conf .config.in
+.config: ./scripts/config/conf tmp/.config.in tmp/.config-target.in
        @[ -f .config ] || $(NO_TRACE_MAKE) menuconfig
        @$< -D .config Config.in &> /dev/null
 
@@ -63,52 +90,62 @@ scripts/config/mconf:
 scripts/config/conf:
        @$(MAKE) -C scripts/config conf
 
-config: scripts/config/conf .config.in FORCE
+config: scripts/config/conf tmp/.config.in tmp/.config-target.in FORCE
        $< Config.in
 
 config-clean: FORCE
        $(NO_TRACE_MAKE) -C scripts/config clean
 
-defconfig: scripts/config/conf .config.in FORCE
+defconfig: scripts/config/conf tmp/.config.in tmp/.config-target.in FORCE
        touch .config
        $< -D .config Config.in
 
-oldconfig: scripts/config/conf .config.in FORCE
+oldconfig: scripts/config/conf tmp/.config.in tmp/.config-target.in FORCE
        $< -o Config.in
 
-menuconfig: scripts/config/mconf .config.in FORCE
+menuconfig: scripts/config/mconf tmp/.config.in tmp/.config-target.in FORCE
        $< Config.in
 
-package/%: .pkginfo FORCE
+package/%: tmp/.pkginfo tmp/.targetinfo FORCE
        $(MAKE) -C package $(patsubst package/%,%,$@)
 
-target/%: .pkginfo FORCE
+target/%: tmp/.pkginfo tmp/.targetinfo FORCE
        $(MAKE) -C target $(patsubst target/%,%,$@)
 
 tools/%: FORCE
        $(MAKE) -C tools $(patsubst tools/%,%,$@)
 
-toolchain/%: FORCE
+toolchain/%: tmp/.targetinfo FORCE
        $(MAKE) -C toolchain $(patsubst toolchain/%,%,$@)
 
-.prereq-build: include/prereq-build.mk
+tmp/.prereq-build: include/prereq-build.mk
+       @mkdir -p tmp
+       @rm -f tmp/.host.mk
        @$(NO_TRACE_MAKE) -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
                echo "Prerequisite check failed. Use FORCE=1 to override."; \
-               rm -rf $(TOPDIR)/tmp; \
                false; \
        }
-       @rm -rf $(TOPDIR)/tmp
        @touch $@
 
-.prereq-packages: include/prereq.mk .pkginfo .config
+tmp/.prereq-packages: include/prereq.mk tmp/.pkginfo .config
+       @mkdir -p tmp
+       @rm -f tmp/.host.mk
        @$(NO_TRACE_MAKE) -s -C package prereq 2>/dev/null || { \
                echo "Prerequisite check failed. Use FORCE=1 to override."; \
                false; \
        }
-       @rm -rf "$(TOPDIR)/tmp"
        @touch $@
-       
-prereq: .prereq-build .prereq-packages FORCE
+
+tmp/.prereq-target: include/prereq.mk tmp/.targetinfo .config
+       @mkdir -p tmp
+       @rm -f tmp/.host.mk
+       @$(NO_TRACE_MAKE) -s -C target prereq 2>/dev/null || { \
+               echo "Prerequisite check failed. Use FORCE=1 to override."; \
+               false; \
+       }
+       @touch $@
+
+prereq: tmp/.prereq-build tmp/.prereq-packages tmp/.prereq-target FORCE
 
 download: .config FORCE
        $(MAKE) tools/download
@@ -126,15 +163,18 @@ world: .config FORCE
        $(MAKE) package/index
 
 clean: FORCE
-       rm -rf build_* bin
+       rm -rf build_* bin tmp
 
 dirclean: clean
        rm -rf staging_dir_* toolchain_build_* tool_build
 
 distclean: dirclean config-clean
-       rm -rf dl .*config* .pkg* .prereq 
+       rm -rf dl
+
+help:
+       cat README
 
 .SILENT: clean dirclean distclean config-clean download world
 FORCE: ;
-.PHONY: FORCE
+.PHONY: FORCE help
 %: ;