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Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..0fd4cdb --- /dev/null +++ b/Makefile @@ -0,0 +1,164 @@ +# +# Makefile for the output source package +# + +ifeq ($(KERNELRELEASE),) + +MAKEFLAGS += --no-print-directory +SHELL := /bin/bash +BACKPORT_DIR := $(shell pwd) + +KMODDIR ?= updates +ifneq ($(origin KLIB), undefined) +KMODPATH_ARG := "INSTALL_MOD_PATH=$(KLIB)" +else +KLIB := /lib/modules/$(shell uname -r)/ +KMODPATH_ARG := +endif +KLIB_BUILD ?= $(KLIB)/build/ +KERNEL_CONFIG := $(KLIB_BUILD)/.config +KERNEL_MAKEFILE := $(KLIB_BUILD)/Makefile +CONFIG_MD5 := $(shell md5sum $(KERNEL_CONFIG) 2>/dev/null | sed 's/\s.*//') + +export KLIB KLIB_BUILD BACKPORT_DIR KMODDIR KMODPATH_ARG + +# disable built-in rules for this file +.SUFFIXES: + +.PHONY: default +default: + @$(MAKE) modules + +.PHONY: mrproper +mrproper: + @test -f .config && $(MAKE) clean || true + @rm -f .config + @rm -f .kernel_config_md5 Kconfig.versions Kconfig.kernel + @rm -f backport-include/backport/autoconf.h + +.DEFAULT: + @set -e ; test -f local-symbols || ( \ + echo "/--------------" ;\ + echo "| You shouldn't run make in the backports tree, but only in" ;\ + echo "| the generated output. This here is only the skeleton code" ;\ + echo "| copied into the output directory. To use the backport system" ;\ + echo "| from scratch, go into the top-level directory and run" ;\ + echo "| ./gentree.py /path/to/linux-next/ /tmp/output" ;\ + echo "| and then make menuconfig/... in the output directory. See" ;\ + echo "| ./gentree.py --help" ;\ + echo "| for more options." ;\ + echo "\\--" ;\ + false) + @set -e ; test -f $(KERNEL_CONFIG) || ( \ + echo "/--------------" ;\ + echo "| Your kernel headers are incomplete/not installed." ;\ + echo "| Please install kernel headers, including a .config" ;\ + echo "| file or use the KLIB/KLIB_BUILD make variables to" ;\ + echo "| set the kernel to build against, e.g." ;\ + echo "| make KLIB=/lib/modules/3.1.7/" ;\ + echo "| to compile/install for the installed kernel 3.1.7" ;\ + echo "| (that isn't currently running.)" ;\ + echo "\\--" ;\ + false) + @set -e ; if [ "$$(cat .kernel_config_md5 2>/dev/null)" != "$(CONFIG_MD5)" ] ;\ + then \ + echo -n "Generating local configuration database from kernel ..." ;\ + grep -v -f local-symbols $(KERNEL_CONFIG) | grep = | ( \ + while read l ; do \ + if [ "$${l:0:7}" != "CONFIG_" ] ; then \ + continue ;\ + fi ;\ + l=$${l:7} ;\ + n=$${l%%=*} ;\ + v=$${l#*=} ;\ + if [ "$$v" = "m" ] ; then \ + echo config $$n ;\ + echo ' tristate' ;\ + elif [ "$$v" = "y" ] ; then \ + echo config $$n ;\ + echo ' bool' ;\ + else \ + continue ;\ + fi ;\ + echo " default $$v" ;\ + echo "" ;\ + done \ + ) > Kconfig.kernel ;\ + kver=$$($(MAKE) --no-print-directory -C $(KLIB_BUILD) kernelversion | \ + sed 's/^\(\([3-4]\|2\.6\)\.[0-9]\+\).*/\1/;t;d') ;\ + test "$$kver" != "" || echo "Kernel version parse failed!" ;\ + test "$$kver" != "" ;\ + kvers="$$(seq 14 39 | sed 's/^/2.6./')" ;\ + kvers="$$kvers $$(seq 0 19 | sed 's/^/3./')" ;\ + kvers="$$kvers $$(seq 0 99 | sed 's/^/4./')" ;\ + print=0 ;\ + for v in $$kvers ; do \ + if [ "$$print" = "1" ] ; then \ + echo config KERNEL_$$(echo $$v | tr . _) ;\ + echo " def_bool y" ;\ + fi ;\ + if [ "$$v" = "$$kver" ] ; then print=1 ; fi ;\ + done > Kconfig.versions ;\ + # RHEL as well, sadly we need to grep for it ;\ + RHEL_MAJOR=$$(grep '^RHEL_MAJOR' $(KERNEL_MAKEFILE) | \ + sed 's/.*=\s*\([0-9]*\)/\1/;t;d') ;\ + RHEL_MINOR=$$(grep '^RHEL_MINOR' $(KERNEL_MAKEFILE) | \ + sed 's/.*=\s*\([0-9]*\)/\1/;t;d') ;\ + for v in $$(seq 0 $$RHEL_MINOR) ; do \ + echo config BACKPORT_RHEL_KERNEL_$${RHEL_MAJOR}_$$v ;\ + echo " def_bool y" ;\ + done >> Kconfig.versions ;\ + echo " done." ;\ + fi ;\ + echo "$(CONFIG_MD5)" > .kernel_config_md5 + @$(MAKE) -f Makefile.real "$@" + +.PHONY: defconfig-help +defconfig-help: + @echo "Driver or subsystem configuration targets:" + @set -e ;\ + bk_configs="$$(ls defconfigs/*)" ;\ + for cfg in $$bk_configs; do \ + echo " defconfig-$${cfg##defconfigs/}" ;\ + done + @echo "" + +.PHONY: help +help: defconfig-help + @echo "Cleaning targets:" + @echo " clean - Remove most generated files but keep the config and" + @echo " enough build support to build external modules" + @echo " mrproper - Remove all generated files + config + various backup files" + @echo "" + @echo "Driver configuration help:" + @echo " defconfig-help - List all prearranged defconfig-targets we have" + @echo " designed for you. You can use this to find" + @echo " driver specific configs in case all you really" + @echo " need is to just compile one or a small group " + @echo " of drivers." + @echo "" + @echo "Configuration targets:" + @echo " menuconfig - Update current config utilising a menu based program" + @echo " oldconfig - Update current config utilising a provided .config as base" + @echo " oldaskconfig - ??" + @echo " silentoldconfig - Same as oldconfig, but quietly, additionally update deps" + @echo " allnoconfig - New config where all options are answered with no" + @echo " allyesconfig - New config where all options are accepted with yes" + @echo " allmodconfig - New config selecting modules when possible" + @echo " alldefconfig - New config with all symbols set to default" + @echo " randconfig - New config with random answer to all options" + @echo " listnewconfig - List new options" + @echo " olddefconfig - Same as silentoldconfig but sets new symbols to their default value" + @echo "" + @echo "Other generic targets:" + @echo " all - Build all targets marked with [*]" + @echo "* modules - Build all modules" + @echo "" + @echo "Architecture specific targets:" + @echo " install - Install modules" + @echo " uninstall - Uninstall modules" + @echo "" + @echo "Execute "make" or "make all" to build all targets marked with [*]" +else +include $(BACKPORT_DIR)/Makefile.kernel +endif |