root/trunk/freewrt/mk/build.mk

# $FreeWRT$
#-
# This file is part of the FreeWRT project. FreeWRT is copyrighted
# material, please see the LICENCE file in the top-level directory
# or at http://www.freewrt.org/licence for details.

TOPDIR=$(shell pwd)
export TOPDIR

ifneq ($(shell umask 2>/dev/null | sed 's/0*022/OK/'),OK)
$(error your umask is not 022)
endif

# FIXME: ugly double shell spawn - helps finding the shell-builtin ulimit
ifneq ($(shell echo $$(ulimit -d)),unlimited)
ifneq ($(shell if (( $$(ulimit -d) < 250000 )); then echo warn; else echo ok; fi),ok)
$(error your ulimit datasize is too small, use 250 MB or more)
endif
endif

CONFIG_CONFIG_IN = Config.in
CONFIG = tools/config

noconfig_targets:=      menuconfig \
                        _config \
                        _mconfig \
                        tags

MAKECLEAN_SYMBOLS=      FWRT_ISOMATH FWRT_UNICODE _ FWRT_IPV6 FWRT_MANPAGES
POSTCONFIG=             @\
        what=cleandir; \
        for symbol in ${MAKECLEAN_SYMBOLS}; do \
                if [[ $$symbol = _ ]]; then \
                        what=clean; \
                        continue; \
                fi; \
                newval=$$(grep -e "^$$symbol=" -e "^\# $$symbol " .config); \
                oldval=$$(cat .cfg/"$$symbol" 2>&-); \
                [[ $$newval = $$oldval ]] && continue; \
                echo >&2 "WARNING: Options have changed, run 'make" \
                    "$$what' first!"; \
                break; \
        done

# Pull in the user's configuration file
ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
-include $(TOPDIR)/.config
endif

ifeq ($(strip $(FWRT_HAVE_DOT_CONFIG)),y)
include $(TOPDIR)/rules.mk
include ${TOPDIR}/mk/split-cfg.mk

all: world

.NOTPARALLEL:
.PHONY: all world clean cleandir distclean image_clean

world: $(DISTDIR) $(BUILD_DIR) $(PACKAGE_DIR) ${TOPDIR}/.cfg/FWRT_HAVE_DOT_CONFIG
        BASH='${BASH}' ${MBSH} ${TOPDIR}/scripts/scan-pkgs.sh
ifeq ($(strip ${FWRT_PACKAGE_BASE_FILES}),m)
        $(MAKE) -f mk/build.mk tools/install toolchain/install target/config-prepare target/compile package/compile package_index
else
        $(MAKE) -f mk/build.mk tools/install toolchain/install target/config-prepare target/compile package/compile root_clean package/install target/install package_index
endif

package_index:
        -cd ${PACKAGE_DIR} && \
            ${MBSH} ${TOPDIR}/scripts/ipkg-make-index.sh . >Packages
ifeq ($(strip ${FWRT_MANPAGES}),y)
        -rm -f ${BIN_DIR}/htman/index.html
        cp ${TOPDIR}/scripts/htmanidx.htm ${BIN_DIR}/htman/index.html
        chmod -R g+w ${BIN_DIR}/htman
endif

$(DISTDIR):
        mkdir -p $(DISTDIR)

$(BUILD_DIR):
        mkdir -p $(BUILD_DIR)

$(PACKAGE_DIR):
        mkdir -p ${PACKAGE_DIR}/.stamps

package/%: ${TOPDIR}/.cfg/FWRT_HAVE_DOT_CONFIG
        @$(TRACE) $@
        $(MAKE) -C package $(patsubst package/%,%,$@)

target/%: ${TOPDIR}/.cfg/FWRT_HAVE_DOT_CONFIG
        @$(TRACE) $@
        $(MAKE) -C target $(patsubst target/%,%,$@)

toolchain/%:
        @$(TRACE) $@
        $(MAKE) -C toolchain $(patsubst toolchain/%,%,$@)

tools/%:
        @$(TRACE) $@
        $(MAKE) -C tools $(patsubst tools/%,%,$@)

#############################################################
#
# Cleanup and misc junk
#
#############################################################
root_clean:
        @$(TRACE) root_clean
        rm -rf $(BUILD_DIR)/linux-*/root $(BUILD_DIR)/root

clean:
        @$(TRACE) clean
        $(MAKE) -C $(CONFIG) clean
        rm -rf $(BUILD_DIR)/* $(BIN_DIR)/* ${TOPDIR}/.cfg
        rm -f ${TOPDIR}/package/*/info.mk

cleandir:
        @$(TRACE) cleandir
        $(MAKE) -C $(CONFIG) clean
        rm -rf $(BUILD_DIR)/* $(BIN_DIR)/* ${TOPDIR}/.cfg
        rm -rf $(TOOLS_BUILD_DIR)/* $(TOOLCHAIN_BUILD_DIR)/* $(STAGING_PARENT)
        rm -f .tmpconfig.h ${TOPDIR}/package/*/info.mk

distclean:
        @$(TRACE) distclean
        $(MAKE) -C $(CONFIG) clean
        rm -rf $(BUILD_DIR) $(BIN_DIR) $(DISTDIR) ${TOPDIR}/.cfg
        rm -rf $(TOOLS_BUILD_DIR) $(TOOLCHAIN_BUILD_DIR) $(STAGING_PARENT)
        rm -f .config* .tmpconfig.h ${TOPDIR}/package/*/info.mk

else # ifeq ($(strip $(FWRT_HAVE_DOT_CONFIG)),y)

include $(TOPDIR)/lbin/prereq.mk

all: menuconfig
        @echo "Start the build with \"make\" or with \"make v\" to be verbose"

# configuration
# ---------------------------------------------------------------------------

$(CONFIG)/conf:
        $(MAKE) -C $(CONFIG) conf
$(CONFIG)/mconf:
        $(MAKE) -C $(CONFIG)

menuconfig: $(CONFIG)/mconf
        -touch .config
        $(CONFIG)/mconf $(CONFIG_CONFIG_IN)
        ${POSTCONFIG}

_config: $(CONFIG)/conf
        -touch .config
        $(CONFIG)/conf ${W} $(CONFIG_CONFIG_IN)
        ${POSTCONFIG}

# add patterns for config symbols to always restore from default here
RESTORE_PATTERNS := CCACHE FWRT_RUNTIME
.NOTPARALLEL: _mconfig
_mconfig: ${CONFIG}/conf _mconfig2 _config
_mconfig2: ${CONFIG}/conf
        ${CONFIG}/conf -M ${RCONFIG}
        ${MBSH} scripts/restore-defaultconf.sh ${RESTORE_PATTERNS}

tools/%:
        $(MAKE) -C tools $(patsubst tools/%,%,$@)

distclean:
        $(MAKE) -C $(CONFIG) clean
        rm -rf $(BUILD_DIR) $(BIN_DIR) $(DISTDIR) ${TOPDIR}/.cfg tools_build
        rm -rf $(TOOLS_BUILD_DIR) $(TOOLCHAIN_BUILD_DIR) $(STAGING_PARENT)
        rm -f .config* .tmpconfig.h ${TOPDIR}/package/*/info.mk

endif # ifeq ($(strip $(FWRT_HAVE_DOT_CONFIG)),y)