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
40 # SDKROOT may be passed as a shorthand like "iphoneos.internal". We
41 # must resolve these to a full path and override SDKROOT.
43 ifeq ($(SDKROOT_RESOLVED),)
44 export SDKROOT_RESOLVED := $(shell $(XCRUN) -sdk $(SDKROOT) -show-sdk-path)
45 ifeq ($(strip $(SDKROOT)_$(SDKROOT_RESOLVED)),/_)
46 export SDKROOT_RESOLVED := /
49 override SDKROOT = $(SDKROOT_RESOLVED)
51 ifeq ($(HOST_SDKROOT_RESOLVED),)
52 export HOST_SDKROOT_RESOLVED := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -show-sdk-path)
54 override HOST_SDKROOT = $(HOST_SDKROOT_RESOLVED)
57 export PLATFORMPATH := $(shell $(XCRUN) -sdk $(SDKROOT) -show-sdk-platform-path)
58 export PLATFORM := $(shell echo $(PLATFORMPATH) | sed 's,^.*/\([^/]*\)\.platform$$,\1,')
60 export PLATFORM := MacOSX
61 else ifeq ($(shell echo $(PLATFORM) | tr A-Z a-z),watchos)
62 export PLATFORM := WatchOS
67 export SDKVERSION := $(shell $(XCRUN) -sdk $(SDKROOT) -show-sdk-version)
70 # CC/CXX get defined by make(1) by default, so we can't check them
71 # against the empty string to see if they haven't been set
72 ifeq ($(origin CC),default)
73 export CC := $(shell $(XCRUN) -sdk $(SDKROOT) -find clang)
75 ifeq ($(origin CXX),default)
76 export CXX := $(shell $(XCRUN) -sdk $(SDKROOT) -find clang++)
79 export MIG := $(shell $(XCRUN) -sdk $(SDKROOT) -find mig)
82 export MIGCOM := $(shell $(XCRUN) -sdk $(SDKROOT) -find migcom)
88 export STRIP := $(shell $(XCRUN) -sdk $(SDKROOT) -find strip)
91 export LIPO := $(shell $(XCRUN) -sdk $(SDKROOT) -find lipo)
94 export LIBTOOL := $(shell $(XCRUN) -sdk $(SDKROOT) -find libtool)
97 export NM := $(shell $(XCRUN) -sdk $(SDKROOT) -find nm)
100 export UNIFDEF := $(shell $(XCRUN) -sdk $(SDKROOT) -find unifdef)
103 export DSYMUTIL := $(shell $(XCRUN) -sdk $(SDKROOT) -find dsymutil)
105 ifeq ($(CTFCONVERT),)
106 export CTFCONVERT := $(shell $(XCRUN) -sdk $(SDKROOT) -find ctfconvert)
109 export CTFMERGE := $(shell $(XCRUN) -sdk $(SDKROOT) -find ctfmerge)
112 export CTFINSERT := $(shell $(XCRUN) -sdk $(SDKROOT) -find ctf_insert)
115 export NMEDIT := $(shell $(XCRUN) -sdk $(SDKROOT) -find nmedit)
121 SUPPORTED_EMBEDDED_PLATFORMS := iPhoneOS iPhoneOSNano tvOS AppleTVOS WatchOS
122 SUPPORTED_SIMULATOR_PLATFORMS := iPhoneSimulator iPhoneNanoSimulator tvSimulator AppleTVSimulator WatchSimulator
123 SUPPORTED_PLATFORMS := MacOSX $(SUPPORTED_SIMULATOR_PLATFORMS) $(SUPPORTED_EMBEDDED_PLATFORMS)
125 # Platform-specific tools
126 ifneq ($(filter $(SUPPORTED_EMBEDDED_PLATFORMS),$(PLATFORM)),)
127 ifeq ($(EMBEDDED_DEVICE_MAP),)
128 export EMBEDDED_DEVICE_MAP := $(shell $(XCRUN) -sdk $(SDKROOT) -find embedded_device_map)
130 EDM_DBPATH = $(PLATFORMPATH)/usr/local/standalone/firmware/device_map.db
133 # Scripts or tools we build ourselves
135 # setsegname - Rename segments in a Mach-O object file
136 # kextsymboltool - Create kext pseudo-kext Mach-O kexts binaries
137 # decomment - Strip out comments to detect whether a file is comments-only
138 # installfile - Atomically copy files, esp. when multiple architectures
139 # are trying to install the same target header
140 # replacecontents - Write contents to a file and update modtime *only* if
143 SEG_HACK = $(OBJROOT)/SETUP/setsegname/setsegname
144 KEXT_CREATE_SYMBOL_SET = $(OBJROOT)/SETUP/kextsymboltool/kextsymboltool
145 DECOMMENT = $(OBJROOT)/SETUP/decomment/decomment
146 NEWVERS = $(SRCROOT)/config/newvers.pl
147 INSTALL = $(OBJROOT)/SETUP/installfile/installfile
148 REPLACECONTENTS = $(OBJROOT)/SETUP/replacecontents/replacecontents
149 JSONCOMPILATIONDB = $(OBJROOT)/SETUP/json_compilation_db/json_compilation_db
158 MKDIR = /bin/mkdir -p
161 XARGS = /usr/bin/xargs
163 BASENAME = /usr/bin/basename
164 DIRNAME = /usr/bin/dirname
166 TOUCH = /usr/bin/touch
171 PLUTIL = /usr/bin/plutil
174 # Command to generate host binaries. Intentionally not
175 # $(CC), which controls the target compiler
177 ifeq ($(HOST_OS_VERSION),)
178 export HOST_OS_VERSION := $(shell sw_vers -productVersion)
181 export HOST_CC := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find clang)
184 export HOST_FLEX := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find flex)
186 ifeq ($(HOST_BISON),)
187 export HOST_BISON := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find bison)
190 export HOST_GM4 := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find gm4)
192 ifeq ($(HOST_CODESIGN),)
193 export HOST_CODESIGN := /usr/bin/codesign
195 ifeq ($(HOST_CODESIGN_ALLOCATE),)
196 export HOST_CODESIGN_ALLOCATE := $(shell $(XCRUN) -sdk $(HOST_SDKROOT) -find codesign_allocate)
200 # The following variables are functions invoked with "call", and thus
201 # behave similarly to externally compiled commands
204 # $(1) is an expanded kernel config from a TARGET_CONFIGS_UC tuple
205 # $(2) is an expanded arch config from a TARGET_CONFIGS_UC tuple
206 # $(3) is an expanded machine config from a TARGET_CONFIGS_UC tuple
207 _function_create_build_configs_join = $(strip $(1))^$(strip $(2))^$(strip $(3))
209 # $(1) is an un-expanded kernel config from a TARGET_CONFIGS_UC tuple
210 # $(2) is an un-expanded arch config from a TARGET_CONFIGS_UC tuple
211 # $(3) is an un-expanded machine config from a TARGET_CONFIGS_UC tuple
212 _function_create_build_configs_do_expand = $(call _function_create_build_configs_join, \
213 $(if $(filter DEFAULT,$(1)), \
214 $(DEFAULT_KERNEL_CONFIG), \
217 $(if $(filter DEFAULT,$(2)), \
218 $(DEFAULT_ARCH_CONFIG), \
221 $(if $(filter DEFAULT,$(3)), \
222 $(if $(filter DEFAULT,$(2)), \
223 $(DEFAULT_$(DEFAULT_ARCH_CONFIG)_MACHINE_CONFIG), \
224 $(DEFAULT_$(strip $(2))_MACHINE_CONFIG) \
230 # $(1) is an un-expanded TARGET_CONFIGS_UC list, which must be consumed
231 # 3 elements at a time
232 function_create_build_configs = $(sort \
234 $(call _function_create_build_configs_do_expand, \
239 $(if $(word 4,$(1)), \
240 $(call function_create_build_configs, \
241 $(wordlist 4,$(words $(1)),$(1)) \
248 # $(1) is a fully-expanded kernel config
249 # $(2) is a fully-expanded arch config
250 # $(3) is a fully-expanded machine config. "NONE" is not represented in the objdir path
251 function_convert_target_config_uc_to_objdir = $(if $(filter NONE,$(3)),$(strip $(1))_$(strip $(2)),$(strip $(1))_$(strip $(2))_$(strip $(3)))
253 # $(1) is a fully-expanded build config (like "RELEASE^X86_64^NONE")
254 function_convert_build_config_to_objdir = $(call function_convert_target_config_uc_to_objdir, \
255 $(word 1,$(subst ^, ,$(1))), \
256 $(word 2,$(subst ^, ,$(1))), \
257 $(word 3,$(subst ^, ,$(1))) \
260 # $(1) is a fully-expanded build config (like "RELEASE^X86_64^NONE")
261 function_extract_kernel_config_from_build_config = $(word 1,$(subst ^, ,$(1)))
262 function_extract_arch_config_from_build_config = $(word 2,$(subst ^, ,$(1)))
263 function_extract_machine_config_from_build_config = $(word 3,$(subst ^, ,$(1)))
265 # $(1) is an input word
266 # $(2) is a list of colon-separate potential substitutions like "FOO:BAR BAZ:QUX"
267 # $(3) is a fallback if no substitutions were made
268 function_substitute_word_with_replacement = $(strip $(if $(2), \
269 $(if $(filter $(word 1,$(subst :, ,$(word 1,$(2)))),$(1)), \
270 $(word 2,$(subst :, ,$(word 1,$(2)))), \
271 $(call function_substitute_word_with_replacement,$(1),$(wordlist 2,$(words $(2)),$(2)),$(3))), \
276 # You can't assign a variable to an empty space without these
279 space := $(empty) $(empty)
282 # $(1) is the number to increment
283 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
284 increment = $(words x $(wordlist 1,$(1),$(NUM32)))
285 decrement = $(words $(wordlist 2,$(1),$(NUM32)))
287 # Create a sequence from 1 to $(1)
288 # F(N) = if N > 0: return F(N-1) + "N" else: return ""
289 sequence = $(if $(wordlist 1,$(1),$(NUM32)),$(call sequence,$(call decrement,$(1))) $(1),)
291 # Reverse a list of words in $(1)
292 reverse = $(if $(word 2,$(1)),$(call reverse,$(wordlist 2,$(words $(1)),$(1)))) $(word 1,$(1))