Makefile

   1 # Makefile for OpenWrt
   2 #
   3 # Copyright (C) 2007 OpenWrt.org
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8
   9 TOPDIR:=${CURDIR}
  10 LC_ALL:=C
  11 LANG:=C
  12 TZ:=UTC
  13 export TOPDIR LC_ALL LANG TZ
  14
  15 empty:=
  16 space:= $(empty) $(empty)
  17 $(if $(findstring $(space),$(TOPDIR)),$(error ERROR: The path to the OpenWrt directory must not include any spaces))
  18
  19 world:
  20
  21 include $(TOPDIR)/include/host.mk
  22
  23 ifneq ($(OPENWRT_BUILD),1)
  24   _SINGLE=export MAKEFLAGS=$(space);
  25
  26   override OPENWRT_BUILD=1
  27   export OPENWRT_BUILD
  28   GREP_OPTIONS=
  29   export GREP_OPTIONS
  30   include $(TOPDIR)/include/debug.mk
  31   include $(TOPDIR)/include/depends.mk
  32   include $(TOPDIR)/include/toplevel.mk
  33 else
  34   include rules.mk
  35   include $(INCLUDE_DIR)/depends.mk
  36   include $(INCLUDE_DIR)/subdir.mk
  37   include target/Makefile
  38   include package/Makefile
  39   include tools/Makefile
  40   include toolchain/Makefile
  41
  42 $(toolchain/stamp-install): $(tools/stamp-install)
  43 $(target/stamp-compile): $(toolchain/stamp-install) $(tools/stamp-install) $(BUILD_DIR)/.prepared
  44 $(package/stamp-compile): $(target/stamp-compile) $(package/stamp-cleanup)
  45 $(package/stamp-install): $(package/stamp-compile)
  46 $(target/stamp-install): $(package/stamp-compile) $(package/stamp-install)
  47
  48 printdb:
  49         @true
  50
  51 prepare: $(target/stamp-compile)
  52
  53 clean: FORCE
  54         rm -rf $(BUILD_DIR) $(STAGING_DIR) $(BIN_DIR) $(BUILD_LOG_DIR)
  55
  56 dirclean: clean
  57         rm -rf $(STAGING_DIR_HOST) $(TOOLCHAIN_DIR) $(BUILD_DIR_HOST) $(BUILD_DIR_TOOLCHAIN)
  58         rm -rf $(TMP_DIR)
  59
  60 ifndef DUMP_TARGET_DB
  61 $(BUILD_DIR)/.prepared: Makefile
  62         @mkdir -p $$(dirname $@)
  63         @touch $@
  64
  65 tmp/.prereq_packages: .config
  66         unset ERROR; \
  67         for package in $(sort $(prereq-y) $(prereq-m)); do \
  68                 $(_SINGLE)$(NO_TRACE_MAKE) -s -r -C package/$$package prereq || ERROR=1; \
  69         done; \
  70         if [ -n "$$ERROR" ]; then \
  71                 echo "Package prerequisite check failed."; \
  72                 false; \
  73         fi
  74         touch $@
  75 endif
  76
  77 # check prerequisites before starting to build
  78 prereq: $(target/stamp-prereq) tmp/.prereq_packages
  79         @if [ ! -f "$(INCLUDE_DIR)/site/$(ARCH)" ]; then \
  80                 echo 'ERROR: Missing site config for architecture "$(ARCH)" !'; \
  81                 echo '       The missing file will cause configure scripts to fail during compilation.'; \
  82                 echo '       Please provide a "$(INCLUDE_DIR)/site/$(ARCH)" file and restart the build.'; \
  83                 exit 1; \
  84         fi
  85
  86 prepare: .config $(tools/stamp-install) $(toolchain/stamp-install)
  87 world: prepare $(target/stamp-compile) $(package/stamp-compile) $(package/stamp-install) $(target/stamp-install) FORCE
  88         $(_SINGLE)$(SUBMAKE) -r package/index
  89
  90 .PHONY: clean dirclean prereq prepare world package/symlinks package/symlinks-install package/symlinks-clean
  91
  92 endif