build: ensure that flock is available for make download
[openwrt/openwrt.git] / include / toplevel.mk
index 7930223..5fbf5e2 100644 (file)
 # Makefile for OpenWrt
 #
-# Copyright (C) 2007 OpenWrt.org
+# Copyright (C) 2007-2012 OpenWrt.org
 #
 # 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
-
-SHELL:=/usr/bin/env bash
-OPENWRTVERSION:=$(RELEASE)
 PREP_MK= OPENWRT_BUILD= QUIET=0
+
+export IS_TTY=$(shell tty -s && echo 1 || echo 0)
+
 include $(TOPDIR)/include/verbose.mk
-ifneq ($(VERSION),)
-  OPENWRTVERSION:=$(VERSION) ($(OPENWRTVERSION))
+
+ifeq ($(SDK),1)
+  include $(TOPDIR)/include/version.mk
 else
-  REV:=$(if $(wildcard .svn/entries),$(shell LANG=C svn info | awk '/^Revision:/ { print$$2 }' ))
-  ifneq ($(REV),)
-    OPENWRTVERSION:=$(OPENWRTVERSION)/r$(REV)
-  endif
+  REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
+  SOURCE_DATE_EPOCH:=$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh)
+endif
+
+HOSTCC ?= $(CC)
+export REVISION
+export SOURCE_DATE_EPOCH
+export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
+export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
+export GNU_HOST_NAME:=$(shell $(TOPDIR)/scripts/config.guess)
+export HOST_OS:=$(shell uname)
+export HOST_ARCH:=$(shell uname -m)
+
+# prevent perforce from messing with the patch utility
+unexport P4PORT P4USER P4CONFIG P4CLIENT
+
+# prevent user defaults for quilt from interfering
+unexport QUILT_PATCHES QUILT_PATCH_OPTS
+
+unexport C_INCLUDE_PATH CROSS_COMPILE ARCH
+
+# prevent distro default LPATH from interfering
+unexport LPATH
+
+# make sure that a predefined CFLAGS variable does not disturb packages
+export CFLAGS=
+export LDFLAGS=
+
+empty:=
+space:= $(empty) $(empty)
+path:=$(subst :,$(space),$(PATH))
+path:=$(filter-out .%,$(path))
+path:=$(subst $(space),:,$(path))
+export PATH:=$(path)
+
+unexport TAR_OPTIONS
+
+ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
+  export HOSTCC_REAL?=$(HOSTCC)
+  export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
+else
+  export HOSTCC_WRAPPER:=$(HOSTCC)
 endif
-export OPENWRTVERSION
-export IS_TTY=$(shell tty -s && echo 1 || echo 0)
 
 ifeq ($(FORCE),)
-  .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
+  .config scripts/config/conf scripts/config/mconf: staging_dir/host/.prereq-build
 endif
 
 SCAN_COOKIE?=$(shell echo $$$$)
 export SCAN_COOKIE
 
-prepare-mk: FORCE ;
+SUBMAKE:=umask 022; $(SUBMAKE)
+
+ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024;
+
+prepare-mk: staging_dir/host/.prereq-build FORCE ;
+
+ifdef SDK
+  IGNORE_PACKAGES = linux
+endif
+
+_ignore = $(foreach p,$(IGNORE_PACKAGES),--ignore $(p))
 
 prepare-tmpinfo: FORCE
+       @+$(MAKE) -r -s staging_dir/host/.prereq-build $(PREP_MK)
        mkdir -p tmp/info
-       +$(NO_TRACE_MAKE) -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
-       +$(NO_TRACE_MAKE) -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
+       $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
+       $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="image/Makefile profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
        for type in package target; do \
                f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
-               [ "$$t" -nt "$$f" ] || ./scripts/metadata.pl $${type}_config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
+               [ "$$t" -nt "$$f" ] || ./scripts/$${type}-metadata.pl $(_ignore) config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
        done
-       ./scripts/metadata.pl package_mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
+       [ tmp/.config-feeds.in -nt tmp/.packagesubdirs ] || ./scripts/feeds feed_config > tmp/.config-feeds.in
+       ./scripts/package-metadata.pl mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
+       ./scripts/package-metadata.pl subdirs tmp/.packageinfo > tmp/.packagesubdirs || { rm -f tmp/.packagesubdirs; false; }
        touch $(TOPDIR)/tmp/.build
 
-.config: ./scripts/config/conf prepare-tmpinfo
-       @+if [ \! -f .config ]; then \
+.config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
+       @+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \
                [ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
-               $(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
+               $(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
        fi
 
 scripts/config/mconf:
-       @+$(MAKE) -C scripts/config all
+       @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)"
 
 $(eval $(call rdep,scripts/config,scripts/config/mconf))
 
 scripts/config/conf:
-       @+$(MAKE) -C scripts/config conf
+       @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)"
 
 config: scripts/config/conf prepare-tmpinfo FORCE
-       $< Config.in
+       [ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
+               $< Config.in
 
 config-clean: FORCE
-       $(NO_TRACE_MAKE) -C scripts/config clean
+       $(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean
 
 defconfig: scripts/config/conf prepare-tmpinfo FORCE
        touch .config
-       $< -D .config Config.in
+       @if [ ! -s .config -a -e $(HOME)/.openwrt/defconfig ]; then cp $(HOME)/.openwrt/defconfig .config; fi
+       [ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
+               $< --defconfig=.config Config.in
+
+confdefault-y=allyes
+confdefault-m=allmod
+confdefault-n=allno
+confdefault:=$(confdefault-$(CONFDEFAULT))
 
 oldconfig: scripts/config/conf prepare-tmpinfo FORCE
-       $< -$(if $(CONFDEFAULT),$(CONFDEFAULT),o) Config.in
+       [ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
+               $< --$(if $(confdefault),$(confdefault),old)config Config.in
 
 menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
-       if [ \! -f .config -a -e $(HOME)/.openwrt/defconfig ]; then \
+       if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
                cp $(HOME)/.openwrt/defconfig .config; \
        fi
-       $< Config.in
+       [ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
+               $< Config.in
 
-kernel_oldconfig: .config FORCE
-       $(NO_TRACE_MAKE) -C target/linux oldconfig
+prepare_kernel_conf: .config FORCE
 
-kernel_menuconfig: .config FORCE
-       $(NO_TRACE_MAKE) -C target/linux menuconfig
+ifeq ($(wildcard staging_dir/host/bin/quilt),)
+  prepare_kernel_conf:
+       @+$(SUBMAKE) -r tools/quilt/compile
+else
+  prepare_kernel_conf: ;
+endif
 
-tmp/.prereq-build: include/prereq-build.mk
+kernel_oldconfig: prepare_kernel_conf
+       $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
+
+kernel_menuconfig: prepare_kernel_conf
+       $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
+
+kernel_nconfig: prepare_kernel_conf
+       $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
+
+staging_dir/host/.prereq-build: include/prereq-build.mk
        mkdir -p tmp
-       rm -f tmp/.host.mk
-       @+$(NO_TRACE_MAKE) -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
+       @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
                echo "Prerequisite check failed. Use FORCE=1 to override."; \
                false; \
        }
+  ifneq ($(realpath $(TOPDIR)/include/prepare.mk),)
+       @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk prepare 2>/dev/null || { \
+               echo "Preparation failed."; \
+               false; \
+       }
+  endif
        touch $@
 
-download: .config FORCE
-       $(MAKE) -j1 tools/download
-       $(MAKE) -j1 toolchain/download
-       $(MAKE) -j1 package/download
-       $(MAKE) -j1 target/download
+printdb: FORCE
+       @$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1
+
+ifndef SDK
+  DOWNLOAD_DIRS = tools/download toolchain/download package/download target/download
+else
+  DOWNLOAD_DIRS = package/download
+endif
+
+download: .config FORCE $(if $(wildcard $(TOPDIR)/staging_dir/host/bin/flock),,tools/flock/compile)
+       @+$(foreach dir,$(DOWNLOAD_DIRS),$(SUBMAKE) $(dir);)
+
+clean dirclean: .config
+       @+$(SUBMAKE) -r $@
+
+prereq:: prepare-tmpinfo .config
+       @+$(NO_TRACE_MAKE) -r -s $@
+
+check: .config FORCE
+       @+$(NO_TRACE_MAKE) -r -s $@ QUIET= V=s
 
-clean dirclean:
-       @$(MAKE) $@ 
+val.%: FORCE
+       @+$(NO_TRACE_MAKE) -r -s $@ QUIET= V=s
 
-prereq:: .config
-       @+$(SUBMAKE) -s tmp/.prereq-build $(PREP_MK)
-       @$(NO_TRACE_MAKE) -s $@
+WARN_PARALLEL_ERROR = $(if $(BUILD_LOG),,$(and $(filter -j,$(MAKEFLAGS)),$(findstring s,$(OPENWRT_VERBOSE))))
+
+ifeq ($(SDK),1)
 
 %::
-       @+$(PREP_MK) $(NO_TRACE_MAKE) -s prereq
-       @+$(MAKE) -r $@
+       @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
+       @./scripts/config/conf --defconfig=.config Config.in
+       @+$(ULIMIT_FIX) $(SUBMAKE) -r $@
 
-help:
-       cat README
+else
+
+%::
+       @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
+       @( \
+               cp .config tmp/.config; \
+               ./scripts/config/conf --defconfig=tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
+               if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
+                       printf "$(_R)WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!$(_N)\n" >&2; \
+               fi \
+       )
+       @+$(ULIMIT_FIX) $(SUBMAKE) -r $@ $(if $(WARN_PARALLEL_ERROR), || { \
+               printf "$(_R)Build failed - please re-run with -j1 to see the real error message$(_N)\n" >&2; \
+               false; \
+       } )
+
+endif
 
-docs docs/compile: FORCE
-       $(MAKE) -C docs compile
+# update all feeds, re-create index files, install symlinks
+package/symlinks:
+       ./scripts/feeds update -a
+       ./scripts/feeds install -a
 
-docs/clean: FORCE
-       $(MAKE) -C docs clean
+# re-create index files, install symlinks
+package/symlinks-install:
+       ./scripts/feeds update -i
+       ./scripts/feeds install -a
 
-symlinkclean:
-       -find package -type l | xargs rm -f
-       rm -rf tmp
+# remove all symlinks, don't touch ./feeds
+package/symlinks-clean:
+       ./scripts/feeds uninstall -a
+
+help:
+       cat README
 
 distclean:
-       rm -rf tmp build_dir staging_dir dl .config* feeds
+       rm -rf bin build_dir .config* dl feeds key-build* logs package/feeds package/openwrt-packages staging_dir tmp
+       @$(_SINGLE)$(SUBMAKE) -C scripts/config clean
 
 ifeq ($(findstring v,$(DEBUG)),)
-  .SILENT: symlinkclean clean dirclean distclean config-clean download help tmpinfo-clean .config scripts/config/mconf scripts/config/conf menuconfig tmp/.prereq-build tmp/.prereq-package prepare-tmpinfo
+  .SILENT: symlinkclean clean dirclean distclean config-clean download help tmpinfo-clean .config scripts/config/mconf scripts/config/conf menuconfig staging_dir/host/.prereq-build tmp/.prereq-package prepare-tmpinfo
 endif
 .PHONY: help FORCE
 .NOTPARALLEL: