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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-24 04:26:28 +02:00

add a simple prerequisite check

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4168 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2006-07-19 13:25:09 +00:00
parent b155a7112a
commit c133c86f41
3 changed files with 132 additions and 0 deletions

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@ -81,11 +81,24 @@ toolchain/%: FORCE
@[ -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 || { \
echo "Prerequisite check failed. Use FORCE=1 to override."; \
false; \
}
@touch $@
prereq: .prereq FORCE
download: .config FORCE
$(MAKE) toolchain/download
$(MAKE) package/download
$(MAKE) target/download
ifeq ($(FORCE),)
world: .prereq
endif
world: .config FORCE
$(MAKE) toolchain/install
$(MAKE) target/compile

118
include/prereq.mk Normal file
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@ -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. \
))

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@ -28,6 +28,7 @@ BIN_DIR:=$(TOPDIR)/bin
PACKAGE_DIR:=$(BIN_DIR)/packages
IPKG_TARGET_DIR:=$(PACKAGE_DIR)
BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
TMP_DIR:=$(BUILD_DIR)/tmp
STAMP_DIR:=$(BUILD_DIR)/stamp
TARGET_DIR:=$(BUILD_DIR)/root
IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg