1 # -*- mode: makefile;-*-
3 # Copyright (C) 1999-2012 Apple Inc. All rights reserved.
5 # MakeInc.cmd contains command paths for use during
6 # the build, as well as make fragments and text
7 # strings that may be evaluated as utility functions.
11 # Commands for the build environment
26 _vstdout = > /dev/null
29 VERBOSE_GENERATED_MAKE_FRAGMENTS = NO
32 XCRUN = /usr/bin/xcrun -verbose
34 XCRUN = /usr/bin/xcrun
37 SDKROOT ?= macosx.internal
38 HOST_SDKROOT ?= macosx
39 HOST_SPARSE_SDKROOT ?= /
41 # SDKROOT may be passed as a shorthand like "iphoneos.internal". We
42 # must resolve these to a full path and override SDKROOT.
44 ifeq ($(SDKROOT_RESOLVED),)
45 export SDKROOT_RESOLVED := $(shell $(XCRUN) -sdk $(SDKROOT) -show-sdk-path)
46 ifeq ($(strip $(SDKROOT)_$(SDKROOT_RESOLVED)),/_)
47 export SDKROOT_RESOLVED := /
50 override SDKROOT = $(SDKROOT_RESOLVED)
52 ifeq ($(HOST_SDKROOT_RESOLVED),)
53 export HOST_SDKROOT_RESOLVED := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -show-sdk-path)
55 override HOST_SDKROOT = $(HOST_SDKROOT_RESOLVED)
58 export PLATFORMPATH := $(shell $(XCRUN) -sdk $(SDKROOT) -show-sdk-platform-path)
59 export PLATFORM := $(shell echo $(PLATFORMPATH) | sed 's,^.*/\([^/]*\)\.platform$$,\1,')
61 export PLATFORM := MacOSX
66 export SDKVERSION := $(shell $(XCRUN) -sdk $(SDKROOT) -show-sdk-version)
69 ifneq ($(filter iPhoneOS iPhoneOSNano,$(PLATFORM)),)
70 ifeq ($(HOST_SPARSE_SDKROOT),/)
71 export HOST_SPARSE_SDKROOT := $(shell $(XCRUN) -sdk iphonehost.internal -show-sdk-path)
75 # CC/CXX get defined by make(1) by default, so we can't check them
76 # against the empty string to see if they haven't been set
77 ifeq ($(origin CC),default)
78 export CC := $(shell $(XCRUN) -sdk $(SDKROOT) -find clang)
80 ifeq ($(origin CXX),default)
81 export CXX := $(shell $(XCRUN) -sdk $(SDKROOT) -find clang++)
84 export MIG := $(shell $(XCRUN) -sdk $(SDKROOT) -find mig)
87 export MIGCOM := $(shell $(XCRUN) -sdk $(SDKROOT) -find migcom)
93 export STRIP := $(shell $(XCRUN) -sdk $(SDKROOT) -find strip)
96 export LIPO := $(shell $(XCRUN) -sdk $(SDKROOT) -find lipo)
99 export LIBTOOL := $(shell $(XCRUN) -sdk $(SDKROOT) -find libtool)
102 export NM := $(shell $(XCRUN) -sdk $(SDKROOT) -find nm)
105 export UNIFDEF := $(shell $(XCRUN) -sdk $(SDKROOT) -find unifdef)
108 export DSYMUTIL := $(shell $(XCRUN) -sdk $(SDKROOT) -find dsymutil)
110 ifeq ($(CTFCONVERT),)
111 export CTFCONVERT := $(shell $(XCRUN) -sdk $(SDKROOT) -find ctfconvert)
114 export CTFMERGE := $(shell $(XCRUN) -sdk $(SDKROOT) -find ctfmerge)
117 export CTFINSERT := $(shell $(XCRUN) -sdk $(SDKROOT) -find ctf_insert)
120 export NMEDIT := $(shell $(XCRUN) -sdk $(SDKROOT) -find nmedit)
123 # Platform-specific tools
124 ifneq ($(filter iPhoneOS iPhoneOSNano,$(PLATFORM)),)
125 ifeq ($(EMBEDDED_DEVICE_MAP),)
126 export EMBEDDED_DEVICE_MAP := $(shell $(XCRUN) -sdk $(SDKROOT) -find embedded_device_map)
128 EDM_DBPATH = $(PLATFORMPATH)/usr/local/standalone/firmware/device_map.db
131 # Scripts or tools we build ourselves
133 # setsegname - Rename segments in a Mach-O object file
134 # kextsymboltool - Create kext pseudo-kext Mach-O kexts binaries
135 # decomment - Strip out comments to detect whether a file is comments-only
136 # installfile - Atomically copy files, esp. when multiple architectures
137 # are trying to install the same target header
138 # replacecontents - Write contents to a file and update modtime *only* if
141 SEG_HACK = $(OBJROOT)/SETUP/setsegname/setsegname
142 KEXT_CREATE_SYMBOL_SET = $(OBJROOT)/SETUP/kextsymboltool/kextsymboltool
143 DECOMMENT = $(OBJROOT)/SETUP/decomment/decomment
144 NEWVERS = $(SRCROOT)/config/newvers.pl
145 INSTALL = $(OBJROOT)/SETUP/installfile/installfile
146 REPLACECONTENTS = $(OBJROOT)/SETUP/replacecontents/replacecontents
155 MKDIR = /bin/mkdir -p
158 XARGS = /usr/bin/xargs
160 BASENAME = /usr/bin/basename
161 DIRNAME = /usr/bin/dirname
163 TOUCH = /usr/bin/touch
168 PLUTIL = /usr/bin/plutil
171 # Command to generate host binaries. Intentionally not
172 # $(CC), which controls the target compiler
174 ifeq ($(HOST_OS_VERSION),)
175 export HOST_OS_VERSION := $(shell sw_vers -productVersion)
178 export HOST_CC := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find clang)
181 export HOST_FLEX := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find flex)
183 ifeq ($(HOST_BISON),)
184 export HOST_BISON := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find bison)
187 export HOST_GM4 := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find gm4)
189 ifeq ($(HOST_CODESIGN),)
190 export HOST_CODESIGN := /usr/bin/codesign
192 ifeq ($(HOST_CODESIGN_ALLOCATE),)
193 export HOST_CODESIGN_ALLOCATE := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find codesign_allocate)
197 # The following variables are functions invoked with "call", and thus
198 # behave similarly to externally compiled commands
201 # $(1) is an expanded kernel config from a TARGET_CONFIGS_UC tuple
202 # $(2) is an expanded arch config from a TARGET_CONFIGS_UC tuple
203 # $(3) is an expanded machine config from a TARGET_CONFIGS_UC tuple
204 _function_create_build_configs_join = $(strip $(1))^$(strip $(2))^$(strip $(3))
206 # $(1) is an un-expanded kernel config from a TARGET_CONFIGS_UC tuple
207 # $(2) is an un-expanded arch config from a TARGET_CONFIGS_UC tuple
208 # $(3) is an un-expanded machine config from a TARGET_CONFIGS_UC tuple
209 _function_create_build_configs_do_expand = $(call _function_create_build_configs_join, \
210 $(if $(filter DEFAULT,$(1)), \
211 $(DEFAULT_KERNEL_CONFIG), \
214 $(if $(filter DEFAULT,$(2)), \
215 $(DEFAULT_ARCH_CONFIG), \
218 $(if $(filter DEFAULT,$(3)), \
219 $(if $(filter DEFAULT,$(2)), \
220 $(DEFAULT_$(DEFAULT_ARCH_CONFIG)_MACHINE_CONFIG), \
221 $(DEFAULT_$(strip $(2))_MACHINE_CONFIG) \
227 # $(1) is an un-expanded TARGET_CONFIGS_UC list, which must be consumed
228 # 3 elements at a time
229 function_create_build_configs = $(sort \
231 $(call _function_create_build_configs_do_expand, \
236 $(if $(word 4,$(1)), \
237 $(call function_create_build_configs, \
238 $(wordlist 4,$(words $(1)),$(1)) \
245 # $(1) is a fully-expanded kernel config
246 # $(2) is a fully-expanded arch config
247 # $(3) is a fully-expanded machine config. "NONE" is not represented in the objdir path
248 function_convert_target_config_uc_to_objdir = $(if $(filter NONE,$(3)),$(strip $(1))_$(strip $(2)),$(strip $(1))_$(strip $(2))_$(strip $(3)))
250 # $(1) is a fully-expanded build config (like "RELEASE^X86_64^NONE")
251 function_convert_build_config_to_objdir = $(call function_convert_target_config_uc_to_objdir, \
252 $(word 1,$(subst ^, ,$(1))), \
253 $(word 2,$(subst ^, ,$(1))), \
254 $(word 3,$(subst ^, ,$(1))) \
257 # $(1) is a fully-expanded build config (like "RELEASE^X86_64^NONE")
258 function_extract_kernel_config_from_build_config = $(word 1,$(subst ^, ,$(1)))
259 function_extract_arch_config_from_build_config = $(word 2,$(subst ^, ,$(1)))
260 function_extract_machine_config_from_build_config = $(word 3,$(subst ^, ,$(1)))
262 # $(1) is an input word
263 # $(2) is a list of colon-separate potential substitutions like "FOO:BAR BAZ:QUX"
264 # $(3) is a fallback if no substitutions were made
265 function_substitute_word_with_replacement = $(strip $(if $(2), \
266 $(if $(filter $(word 1,$(subst :, ,$(word 1,$(2)))),$(1)), \
267 $(word 2,$(subst :, ,$(word 1,$(2)))), \
268 $(call function_substitute_word_with_replacement,$(1),$(wordlist 2,$(words $(2)),$(2)),$(3))), \
273 # You can't assign a variable to an empty space without these
276 space := $(empty) $(empty)
279 # $(1) is the number to increment
280 NUM32 = x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
281 increment = $(words x $(wordlist 1,$(1),$(NUM32)))
282 decrement = $(words $(wordlist 2,$(1),$(NUM32)))
284 # Create a sequence from 1 to $(1)
285 # F(N) = if N > 0: return F(N-1) + "N" else: return ""
286 sequence = $(if $(wordlist 1,$(1),$(NUM32)),$(call sequence,$(call decrement,$(1))) $(1),)
288 # Reverse a list of words in $(1)
289 reverse = $(if $(word 2,$(1)),$(call reverse,$(wordlist 2,$(words $(1)),$(1)))) $(word 1,$(1))