Return -ENODEV, when device is absent. This should fix lockups on boot.
[openwrt.git] / Makefile
index cd94233..6b30ef9 100644 (file)
--- a/Makefile
+++ b/Makefile
-# Makefile for OpenWRT
+# Makefile for OpenWrt
 #
 #
-# Copyright (C) 2005 by Felix Fietkau <nbd@vd-s.ath.cx>
-# Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2006 by Felix Fietkau <openwrt@nbd.name>
 #
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
 #
 
 #
 
+RELEASE:=Kamikaze
+#VERSION:=2.0 # uncomment for final release
+
 #--------------------------------------------------------------
 # Just run 'make menuconfig', configure stuff, then run 'make'.
 # You shouldn't need to mess with anything beyond this point...
 #--------------------------------------------------------------
 #--------------------------------------------------------------
 # Just run 'make menuconfig', configure stuff, then run 'make'.
 # You shouldn't need to mess with anything beyond this point...
 #--------------------------------------------------------------
-TOPDIR=${shell pwd}
-export TOPDIR
-ifneq ($(DEVELOPER),)
-CONFIG_CONFIG_IN = Config.in.devel
-else
-CONFIG_CONFIG_IN = Config.in
-endif
-CONFIG_DEFCONFIG = .defconfig
-CONFIG = package/config
-
-noconfig_targets := menuconfig config oldconfig randconfig \
-       defconfig allyesconfig allnoconfig release tags
-
-# Pull in the user's configuration file
-ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
--include $(TOPDIR)/.config
-endif
-
-ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)
-include $(TOPDIR)/rules.mk
 
 all: world
 
 
 all: world
 
-.NOTPARALLEL:
+SHELL:=/usr/bin/env bash
+export LC_ALL=C
+export LANG=C
+export TOPDIR=${CURDIR}
+export IS_TTY=$(shell tty -s && echo 1 || echo 0)
 
 
-##############################################################
-#
-# Build the toolchain
-#
-##############################################################
-toolchain_install:
-       $(MAKE) -C toolchain install
-
-##############################################################
-#
-# Make all packages
-#
-##############################################################
+include $(TOPDIR)/include/verbose.mk
 
 
-package_compile: target_compile
-       $(MAKE) -C package compile
+OPENWRTVERSION:=$(RELEASE)
+ifneq ($(VERSION),)
+  OPENWRTVERSION:=$(VERSION) ($(OPENWRTVERSION))
+else
+  REV:=$(shell LANG=C svn info | awk '/^Revision:/ { print$$2 }' )
+  ifneq ($(REV),)
+    OPENWRTVERSION:=$(OPENWRTVERSION)/r$(REV)
+  endif
+endif
+export OPENWRTVERSION
 
 
-package_install: package_compile toolchain
-       $(MAKE) -C package install
+ifeq ($(FORCE),)
+  .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
+  world: tmp/.prereq-package tmp/.prereq-target
+endif
 
 
-#############################################################
-#
-# You should probably leave this stuff alone unless you know
-# what you are doing.
-#
-#############################################################
+package/%/Makefile: ;
+target/%/Makefile: ;
 
 
+tmp/.packageinfo: $(wildcard package/*/Makefile include/package*.mk include/kernel.mk) FORCE
+tmp/.targetinfo: $(wildcard target/*/Makefile include/kernel*.mk)  FORCE
+tmp/.%info:
+       mkdir -p tmp/info
+       $(NO_TRACE_MAKE) -s -f include/scan.mk SCAN_TARGET="$*info" SCAN_DIR="$(patsubst target,target/linux,$*)" SCAN_NAME="$*" SCAN_DEPS="$(filter-out FORCE, $^)" SCAN_EXTRA=""
 
 
-# In this section, we need .config
-include .config.cmd
+tmpinfo-clean: FORCE
+       -rm -rf tmp/.*info
 
 
-world: $(DL_DIR) $(BUILD_DIR) configtest target_prepare $(TARGET_DIR) toolchain_install package_install target_install package_index
+tmp/.config-%.in: tmp/.%info
+       ./scripts/metadata.pl $*_config < $< > $@ || rm -f $@
 
 
-.PHONY: all world clean dirclean distclean image_clean target_clean source target_prepare target_install toolchain_install package_install configtest
+.config: ./scripts/config/conf tmp/.config-target.in tmp/.config-package.in
+       if [ \! -f .config ]; then \
+               [ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
+               $(NO_TRACE_MAKE) menuconfig; \
+       fi
+       $< -D .config Config.in &> /dev/null
 
 
-configtest:
-       -cp .config .config.test
-       -scripts/configtest.pl
+scripts/config/mconf:
+       $(MAKE) -C scripts/config all
 
 
-package_index:
-       (cd $(PACKAGE_DIR); \
-               $(STAGING_DIR)/usr/bin/ipkg-make-index . > Packages \
-       )
+scripts/config/conf:
+       $(MAKE) -C scripts/config conf
 
 
-target_prepare:
-       $(MAKE) -C target prepare
 
 
-target_compile:
-       $(MAKE) -C target compile
 
 
-target_install:
-       $(MAKE) -C target install
+config: scripts/config/conf tmp/.config-target.in tmp/.config-package.in FORCE
+       $< Config.in
 
 
-$(DL_DIR):
-       @mkdir -p $(DL_DIR)
+config-clean: FORCE
+       $(NO_TRACE_MAKE) -C scripts/config clean
 
 
-$(BUILD_DIR):
-       @mkdir -p $(BUILD_DIR)
+defconfig: scripts/config/conf tmp/.config-target.in tmp/.config-package.in FORCE
+       touch .config
+       $< -D .config Config.in
 
 
-source: $(TARGETS_SOURCE)
+oldconfig: scripts/config/conf tmp/.config-target.in tmp/.config-package.in FORCE
+       $< -o Config.in
 
 
-#############################################################
-#
-# Cleanup and misc junk
-#
-#############################################################
-image_clean:
-       rm -f $(STAMP_DIR)/.*-compile
-       rm -f $(STAMP_DIR)/.*-install
-       rm -rf $(BIN_DIR)
-       
-target_clean: image_clean
-       rm -rf $(TARGET_DIR)
-
-clean: target_clean
-       @$(MAKE) -C $(CONFIG) clean
+menuconfig: scripts/config/mconf tmp/.config-target.in tmp/.config-package.in FORCE
+       if [ \! -f .config -a -e $(HOME)/.openwrt/defconfig ]; then \
+               cp $(HOME)/.openwrt/defconfig .config; \
+       fi
+       $< Config.in
+
+kernel_menuconfig: .config FORCE
+       -$(MAKE) target/linux-prepare
+       $(NO_TRACE_MAKE) -C target/linux menuconfig
+
+
+package/% target/%: tmp/.packageinfo
+toolchain/% package/% target/%: tmp/.targetinfo
+package/% target/% tools/% toolchain/%: FORCE
+       $(MAKE) -C $(patsubst %/$*,%,$@) $*
+
+
+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."; \
+               false; \
+       }
+       touch $@
+
+tmp/.prereq-%: include/prereq.mk tmp/.%info .config
+       mkdir -p tmp
+       rm -f tmp/.host.mk
+       $(NO_TRACE_MAKE) -s -C $* prereq 2>/dev/null || { \
+               echo "Prerequisite check failed. Use FORCE=1 to override."; \
+               false; \
+       }
+       touch $@
+
+prereq: tmp/.prereq-build tmp/.prereq-package tmp/.prereq-target FORCE
+
+download: .config FORCE
+       $(MAKE) tools/download
+       $(MAKE) toolchain/download
+       $(MAKE) package/download
+       $(MAKE) target/download
+
+world: .config FORCE
+       $(MAKE) tools/install
+       $(MAKE) toolchain/install
+       $(MAKE) target/compile
+       $(MAKE) package/compile
+       $(MAKE) package/install
+       $(MAKE) target/install
+       $(MAKE) package/index
+
+clean: FORCE
+       rm -rf build_* bin tmp
 
 dirclean: clean
 
 dirclean: clean
-       rm -rf $(BUILD_DIR)
-
-distclean: clean
-       rm -rf $(STAMP_DIR) $(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR) $(STAGING_DIR)
-       rm -f .config* .tmpconfig.h
+       rm -rf staging_dir_* toolchain_build_* tool_build
 
 
-sourceball: distclean
-       set -e; \
-       cd ..; \
-       rm -f buildroot.tar.bz2; \
-       tar -cvf buildroot.tar buildroot; \
-       bzip2 -9 buildroot.tar; \
+distclean: dirclean config-clean symlinkclean docclean
+       rm -rf dl
 
 
-else # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)
+help:
+       cat README
 
 
-all: menuconfig
+doc:
+       $(MAKE) -C docs/ openwrt.pdf
 
 
-# configuration
-# ---------------------------------------------------------------------------
-
-$(CONFIG)/conf:
-       $(MAKE) -C $(CONFIG) conf
-       -@if [ ! -f .config ] ; then \
-               cp $(CONFIG_DEFCONFIG) .config; \
-       fi
-$(CONFIG)/mconf:
-       $(MAKE) -C $(CONFIG) 
-       -@if [ ! -f .config ] ; then \
-               cp $(CONFIG_DEFCONFIG) .config; \
-       fi
+docclean:
+       $(MAKE) -C docs/ clean
 
 
-menuconfig: $(CONFIG)/mconf
-       -touch .config
-       -cp .config .config.test
-       @$(CONFIG)/mconf $(CONFIG_CONFIG_IN)
-       -./scripts/configtest.pl
-
-config: $(CONFIG)/conf
-       -touch .config
-       -cp .config .config.test
-       @$(CONFIG)/conf $(CONFIG_CONFIG_IN)
-       -./scripts/configtest.pl
-
-oldconfig: $(CONFIG)/conf
-       -touch .config
-       -cp .config .config.test
-       @$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
-       -./scripts/configtest.pl
-
-randconfig: $(CONFIG)/conf
-       -touch .config
-       -cp .config .config.test
-       @$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
-       -./scripts/configtest.pl
-
-allyesconfig: $(CONFIG)/conf
-       #@$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
-       #sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
-       -touch .config
-       -cp .config .config.test
-       @$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
-       -./scripts/configtest.pl
-
-allnoconfig: $(CONFIG)/conf
-       -touch .config
-       -cp .config .config.test
-       @$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
-       -./scripts/configtest.pl
-
-defconfig: $(CONFIG)/conf
-       -touch .config
-       -cp .config .config.test
-       @$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
-       -./scripts/configtest.pl
-
-endif # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)
-
-.PHONY: dummy subdirs release distclean clean config oldconfig \
-       menuconfig tags check test depend
+symlinkclean:
+       find package -type l | xargs -r rm -f
 
 
+.SILENT: clean dirclean distclean symlinkclean config-clean download world help tmp/.packageinfo tmp/.targetinfo tmpinfo-clean tmp/.config-package.in tmp/.config-target.in .config scripts/config/mconf scripts/config/conf menuconfig tmp/.prereq-build tmp/.prereq-package tmp/.prereq-target
+FORCE: ;
+.PHONY: FORCE help
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