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