rules.mk 10 KB

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  1. #
  2. # Copyright (C) 2006-2010 OpenWrt.org
  3. #
  4. # This is free software, licensed under the GNU General Public License v2.
  5. # See /LICENSE for more information.
  6. #
  7. ifneq ($(__rules_inc),1)
  8. __rules_inc=1
  9. ifeq ($(DUMP),)
  10. -include $(TOPDIR)/.config
  11. endif
  12. include $(TOPDIR)/include/debug.mk
  13. include $(TOPDIR)/include/verbose.mk
  14. export TMP_DIR:=$(TOPDIR)/tmp
  15. qstrip=$(strip $(subst ",,$(1)))
  16. #"))
  17. empty:=
  18. space:= $(empty) $(empty)
  19. comma:=,
  20. merge=$(subst $(space),,$(1))
  21. confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  22. strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  23. define sep
  24. endef
  25. _SINGLE=export MAKEFLAGS=$(space);
  26. CFLAGS:=
  27. ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  28. ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  29. BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  30. TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  31. export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
  32. TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  33. BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  34. SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  35. export SHELL:=/usr/bin/env bash
  36. OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  37. ifeq ($(ARCH),powerpc)
  38. FPIC:=-fPIC
  39. else
  40. FPIC:=-fpic
  41. endif
  42. HOST_FPIC:=-fPIC
  43. ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
  44. GCC_ARCH:=
  45. ifneq ($(ARCH_SUFFIX),)
  46. ARCH_SUFFIX:=_$(ARCH_SUFFIX)
  47. endif
  48. ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  49. GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  50. endif
  51. ifdef CONFIG_HAS_SPE_FPU
  52. TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  53. endif
  54. ifdef CONFIG_MIPS64_ABI
  55. ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  56. ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  57. endif
  58. endif
  59. DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  60. BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD))
  61. INCLUDE_DIR:=$(TOPDIR)/include
  62. SCRIPT_DIR:=$(TOPDIR)/scripts
  63. BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  64. BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  65. STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  66. ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  67. GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  68. LIBC:=$(call qstrip,$(CONFIG_LIBC))
  69. LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  70. REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-librecmc-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  71. GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-librecmc-linux
  72. DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
  73. BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
  74. TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  75. TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  76. else
  77. ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  78. GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  79. else
  80. GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  81. endif
  82. REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  83. TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  84. TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
  85. endif
  86. PACKAGE_DIR:=$(BIN_DIR)/packages
  87. BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
  88. STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
  89. BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
  90. TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
  91. STAMP_DIR:=$(BUILD_DIR)/stamp
  92. STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  93. TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
  94. TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
  95. STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
  96. BUILD_LOG_DIR:=$(TOPDIR)/logs
  97. PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
  98. TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
  99. TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
  100. TARGET_CXXFLAGS = $(TARGET_CFLAGS)
  101. TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
  102. TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
  103. TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  104. TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  105. ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  106. LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
  107. LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
  108. LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
  109. else
  110. LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
  111. LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
  112. endif
  113. LIBRPC=-lrpc
  114. LIBRPC_DEPENDS=+librpc
  115. ifeq ($(CONFIG_ARCH_64BIT),y)
  116. LIB_SUFFIX:=64
  117. endif
  118. ifndef DUMP
  119. ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  120. -include $(TOOLCHAIN_DIR)/info.mk
  121. export GCC_HONOUR_COPTS:=0
  122. TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-librecmc-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
  123. TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
  124. TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
  125. TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
  126. TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
  127. else
  128. ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  129. TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
  130. TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
  131. TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
  132. TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
  133. TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
  134. ifneq ($(TOOLCHAIN_BIN_DIRS),)
  135. TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
  136. endif
  137. ifneq ($(TOOLCHAIN_INC_DIRS),)
  138. TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
  139. endif
  140. ifneq ($(TOOLCHAIN_LIB_DIRS),)
  141. TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
  142. endif
  143. TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
  144. endif
  145. endif
  146. endif
  147. TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
  148. ifeq ($(CONFIG_SOFT_FLOAT),y)
  149. SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  150. ifeq ($(CONFIG_arm),y)
  151. TARGET_CFLAGS+= -mfloat-abi=soft
  152. else
  153. TARGET_CFLAGS+= -msoft-float
  154. endif
  155. else
  156. SOFT_FLOAT_CONFIG_OPTION:=
  157. ifeq ($(CONFIG_arm),y)
  158. TARGET_CFLAGS+= -mfloat-abi=hard
  159. endif
  160. endif
  161. export PATH:=$(TARGET_PATH)
  162. export STAGING_DIR
  163. export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
  164. PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
  165. export PKG_CONFIG
  166. HOSTCC:=gcc
  167. HOSTCXX:=g++
  168. HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include
  169. HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
  170. HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib
  171. TARGET_CC:=$(TARGET_CROSS)gcc
  172. TARGET_AR:=$(TARGET_CROSS)ar
  173. TARGET_RANLIB:=$(TARGET_CROSS)ranlib
  174. TARGET_CXX:=$(TARGET_CROSS)g++
  175. KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  176. SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
  177. CP:=cp -fpR
  178. LN:=ln -sf
  179. XARGS:=xargs -r
  180. INSTALL_BIN:=install -m0755
  181. INSTALL_DIR:=install -d -m0755
  182. INSTALL_DATA:=install -m0644
  183. INSTALL_CONF:=install -m0600
  184. TARGET_CC_NOCACHE:=$(TARGET_CC)
  185. TARGET_CXX_NOCACHE:=$(TARGET_CXX)
  186. HOSTCC_NOCACHE:=$(HOSTCC)
  187. HOSTCXX_NOCACHE:=$(HOSTCXX)
  188. export TARGET_CC_NOCACHE
  189. export TARGET_CXX_NOCACHE
  190. export HOSTCC_NOCACHE
  191. ifneq ($(CONFIG_CCACHE),)
  192. TARGET_CC:= ccache_cc
  193. TARGET_CXX:= ccache_cxx
  194. HOSTCC:= ccache $(HOSTCC)
  195. HOSTCXX:= ccache $(HOSTCXX)
  196. endif
  197. TARGET_CONFIGURE_OPTS = \
  198. AR=$(TARGET_CROSS)ar \
  199. AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
  200. LD=$(TARGET_CROSS)ld \
  201. NM=$(TARGET_CROSS)nm \
  202. CC="$(TARGET_CC)" \
  203. GCC="$(TARGET_CC)" \
  204. CXX="$(TARGET_CXX)" \
  205. RANLIB=$(TARGET_CROSS)ranlib \
  206. STRIP=$(TARGET_CROSS)strip \
  207. OBJCOPY=$(TARGET_CROSS)objcopy \
  208. OBJDUMP=$(TARGET_CROSS)objdump \
  209. SIZE=$(TARGET_CROSS)size
  210. # strip an entire directory
  211. ifneq ($(CONFIG_NO_STRIP),)
  212. RSTRIP:=:
  213. STRIP:=:
  214. else
  215. ifneq ($(CONFIG_USE_STRIP),)
  216. STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
  217. else
  218. ifneq ($(CONFIG_USE_SSTRIP),)
  219. STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
  220. endif
  221. endif
  222. RSTRIP:= \
  223. export CROSS="$(TARGET_CROSS)" \
  224. $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
  225. $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
  226. NM="$(TARGET_CROSS)nm" \
  227. STRIP="$(STRIP)" \
  228. STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
  229. $(SCRIPT_DIR)/rstrip.sh
  230. endif
  231. ifeq ($(CONFIG_IPV6),y)
  232. DISABLE_IPV6:=
  233. else
  234. DISABLE_IPV6:=--disable-ipv6
  235. endif
  236. TAR_OPTIONS:=-xf -
  237. ifeq ($(CONFIG_BUILD_LOG),y)
  238. BUILD_LOG:=1
  239. endif
  240. export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
  241. export M4:=$(STAGING_DIR_HOST)/bin/m4
  242. define shvar
  243. V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
  244. endef
  245. define shexport
  246. export $(call shvar,$(1))=$$(call $(1))
  247. endef
  248. define include_mk
  249. $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
  250. endef
  251. # Execute commands under flock
  252. # $(1) => The shell expression.
  253. # $(2) => The lock name. If not given, the global lock will be used.
  254. define locked
  255. SHELL= \
  256. $(STAGING_DIR_HOST)/bin/flock \
  257. $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
  258. -c '$(subst ','\'',$(1))'
  259. endef
  260. # Recursively copy paths into another directory, purge dangling
  261. # symlinks before.
  262. # $(1) => File glob expression
  263. # $(2) => Destination directory
  264. define file_copy
  265. for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
  266. ( cd $$src_dir; find -type f -or -type d ) | \
  267. ( cd $(2); while :; do \
  268. read FILE; \
  269. [ -z "$$FILE" ] && break; \
  270. [ -L "$$FILE" ] || continue; \
  271. echo "Removing symlink $(2)/$$FILE"; \
  272. rm -f "$$FILE"; \
  273. done; ); \
  274. done; \
  275. $(CP) $(1) $(2)
  276. endef
  277. # file extension
  278. ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
  279. all:
  280. FORCE: ;
  281. .PHONY: FORCE
  282. val.%:
  283. @$(if $(filter undefined,$(origin $*)),\
  284. echo "$* undefined" >&2, \
  285. echo '$(subst ','"'"',$($*))' \
  286. )
  287. var.%:
  288. @$(if $(filter undefined,$(origin $*)),\
  289. echo "$* undefined" >&2, \
  290. echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
  291. )
  292. endif #__rules_inc