xref: /xnu-10063.121.3/makedefs/MakeInc.kernel (revision 2c2f96dc2b9a4408a43d3150ae9c105355ca3daa) !

# -*- mode: makefile;-*-
#
# Copyright (C) 1999-2020 Apple Inc. All rights reserved.
#
# MakeInc.kernel augments the single-architecture
# recursive build system with rules specific
# to assembling and linking a kernel.
#

#
# Validate configuration options
#
ifeq ($(filter $(CURRENT_ARCH_CONFIG),$(SUPPORTED_ARCH_CONFIGS)),)
$(error Unsupported CURRENT_ARCH_CONFIG $(CURRENT_ARCH_CONFIG))
endif

ifeq ($(filter $(CURRENT_KERNEL_CONFIG),$(SUPPORTED_KERNEL_CONFIGS)),)
$(error Unsupported CURRENT_KERNEL_CONFIG $(CURRENT_KERNEL_CONFIG))
endif

ifeq ($(filter $(CURRENT_MACHINE_CONFIG),$(SUPPORTED_$(CURRENT_ARCH_CONFIG)_MACHINE_CONFIGS)),)
$(error Unsupported CURRENT_MACHINE_CONFIG $(CURRENT_MACHINE_CONFIG))
endif

ifeq ($(filter $(PLATFORM),$(SUPPORTED_PLATFORMS)),)
$(error Unsupported PLATFORM $(PLATFORM))
endif

# Generate xnu version file early (from build environment or SDK/KDK)
do_build_setup:: $(XNU_VERSION)

ifeq ($(BUILD_STATIC_LINK),1)
ifeq ($(USE_LTO),1)
# <rdar://problem/46252406>
# To run LTO in the xnu project while linking the final result in KCB, without losing debugging info,
# run ld -r on only the LTO bitcode object files to produce one mach-o for KCB to use, which is added
# to the static link archive, along with the non-LTO objects (not linked, since ld -r on mach-o objects
# does not preserve DWARF.)
PRE_LTO=1
endif
endif

#
# Rules for the highly parallel "build" phase, where each build configuration
# writes into their own $(TARGET) independent of other build configs
#
# There are 5 primary build outputs:
# 1) $(KERNEL_FILE_NAME).unstripped    (raw linked kernel, unstripped)
# 2) $(KERNEL_FILE_NAME)               (stripped kernel, with optional CTF data)
# 3) $(KERNEL_FILE_NAME).dSYM          (dSYM)
# 4) $(KERNEL_FILE_NAME).link          (bits for static linking)
# 5) lib$(KERNEL_FILE_NAME).a          (static archive for testing)

ifeq ($(BUILD_STATIC_LINK),1)
ifeq ($(BUILD_XNU_LIBRARY),1)

KERNEL_STATIC_LINK_TARGETS = \
	$(TARGET)/lib$(KERNEL_FILE_NAME).a
KERNEL_STATIC_LINK_DST = \
	$(DSTROOT)/$(INSTALL_KERNEL_DIR)/lib$(KERNEL_FILE_NAME).a

else

KERNEL_STATIC_LINK_TARGETS = \
	$(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).a

KERNEL_STATIC_LINK_DST = \
			$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).a             \
			$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).linkarguments \
			$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).linkarchives  \
			$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).exp           \
			$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).alias.exp     \
			$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros                   \
			$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME)

endif
endif

do_build_all:: do_build_kernel

.PHONY: do_build_kernel

ifeq ($(BUILD_XNU_LIBRARY),1)
do_build_kernel: $(KERNEL_STATIC_LINK_TARGETS)

else

do_build_kernel: $(TARGET)/$(KERNEL_FILE_NAME) $(TARGET)/$(KERNEL_FILE_NAME).unstripped $(KERNEL_STATIC_LINK_TARGETS)
	@:

ifeq ($(BUILD_DSYM),1)
do_build_all:: do_build_kernel_dSYM
endif

.PHONY: do_build_kernel_dSYM

do_build_kernel_dSYM: $(TARGET)/$(KERNEL_FILE_NAME).dSYM
	@:

endif

do_build_all:: do_build_compile_commands_json

.PHONY: do_build_compile_commands_json

do_build_compile_commands_json: $(TARGET)/compile_commands.json
	@:

.LDFLAGS: ALWAYS
	$(_v)$(REPLACECONTENTS) $@ $(LD) $(LDFLAGS_KERNEL) $(LDFLAGS_KERNEL_ONLY) $(LD_KERNEL_LIBS)
.CFLAGS: ALWAYS
	$(_v)$(REPLACECONTENTS) $@ $(KCC) $(CFLAGS) $(INCFLAGS)


#
# CTF generation requires the following files:

#     kernel.unstripped.noctf  Unstripped kernel with no CTF
#     kernel.ctf               CTF from the dSYM associated with kernel.unstripped.noctf
#     kernel.unstripped        kernel.unstripped.noctf merged with kernel.ctf (Debug Rich Executable)
#     kernel                   Stripped kernel.unstripped.noctf merged with kernel.ctf (Final Kernel)

# Note: "kernel" here is a placeholder for the actual name of the kernel which
# varies.
#


# Convert DWARF to CTF
$(TARGET)/$(KERNEL_FILE_NAME).ctf: $(TARGET)/$(KERNEL_FILE_NAME).dSYM $(TARGET)/$(KERNEL_FILE_NAME).unstripped.noctf
ifeq ($(DO_CTFMERGE),1)
	@$(LOG_CTFCONVERT) "$(@F)"
	$(_v)$(CTFCONVERT) -c -l xnu -u xnu -o $@ $(TARGET)/$(KERNEL_FILE_NAME).dSYM/Contents/Resources/DWARF/$(KERNEL_FILE_NAME)
endif

# Strip the kernel and merge in the CTF
$(TARGET)/$(KERNEL_FILE_NAME): $(TARGET)/$(KERNEL_FILE_NAME).unstripped.noctf $(TARGET)/$(KERNEL_FILE_NAME).dSYM $(TARGET)/$(KERNEL_FILE_NAME).ctf
	@$(LOG_STRIP) "$(@F)"
	$(_v)$(STRIP) $(STRIP_FLAGS) $< -o $@
	@echo "built kernel at $@"
	$(_v)$(RM) [email protected]
ifeq ($(DO_CTFMERGE),1)
	@$(LOG_CTFMERGE) "$(@F)"
	$(_v)$(CTFMERGE) -l xnu -o $@ -Z [email protected] [email protected]
	$(_v)if [ -s [email protected] ]; then                          \
		$(LOG_CTFINSERT) "$(@F)";                            \
		$(CTFINSERT) $@	$(ARCH_FLAGS_$(CURRENT_ARCH_CONFIG)) \
			     [email protected] -o $@;                           \
	else                                                     \
	    exit 1;                                              \
	fi;
	-$(_v)$(CTFDUMP) -S $@ $(_vstdout) $(_vstderr)
endif
	$(_v)$(LN) $(call function_convert_build_config_to_objdir,$(CURRENT_BUILD_CONFIG))/$(KERNEL_FILE_NAME) $(OBJROOT)/$(KERNEL_FILE_NAME)

# Merge the CTF into the unstripped kernel (Debug Rich Executable)
$(TARGET)/$(KERNEL_FILE_NAME).unstripped: $(TARGET)/$(KERNEL_FILE_NAME).ctf $(TARGET)/$(KERNEL_FILE_NAME).unstripped.noctf
	$(_v)$(CP) $(TARGET)/$(KERNEL_FILE_NAME).unstripped.noctf $(TARGET)/$(KERNEL_FILE_NAME).unstripped
	$(_v)$(RM) [email protected]
ifeq ($(DO_CTFMERGE),1)
	@$(LOG_CTFMERGE) "$(@F)"
	$(_v)$(CTFMERGE) -l xnu -o $@ -Z [email protected] $(TARGET)/$(KERNEL_FILE_NAME).ctf
	$(_v)if [ -s [email protected] ]; then                          \
		$(LOG_CTFINSERT) "$(@F)";                            \
		$(CTFINSERT) $@	$(ARCH_FLAGS_$(CURRENT_ARCH_CONFIG)) \
			     [email protected] -o $@;                           \
	else                                                     \
	    exit 1;                                              \
	fi;
	-$(_v)$(CTFDUMP) -S $@ $(_vstdout) $(_vstderr)
endif

$(TARGET)/$(KERNEL_FILE_NAME).dSYM: $(TARGET)/$(KERNEL_FILE_NAME).unstripped.noctf
ifeq ($(BUILD_DSYM),1)
	@$(LOG_DSYMUTIL) "$(@F)"
	$(_v)$(BASH) -c "$(DSYMUTIL) $(DSYMUTIL_FLAGS) $< -o $@ $(_vstdout) 2> >(grep -v '^warning:.*could not find object file symbol for symbol' 1>&2)"
	$(_v)$(MV) $@/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME).unstripped.noctf $@/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME)
else
	$(_v)$(MKDIR) $@
endif
	$(_v)$(TOUCH) $@

ifeq ($(BUILD_XNU_LIBRARY),1)
$(TARGET)/lib$(KERNEL_FILE_NAME).a: $(addprefix $(TARGET)/,$(foreach component,$(COMPONENT_LIST),$(component)/$(CURRENT_KERNEL_CONFIG)/$(component).libfilelist)) nonlto.o version.o .LDFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST))
	@$(LOG_LIBTOOL) "$(@F)"
	$(_v)$(CAT) $(filter %.libfilelist,$+) < /dev/null > link.filelist
	$(_v)$(LIBTOOL) -static -csD -filelist link.filelist -o $@
	$(_v)$(LN) $(call function_convert_build_config_to_objdir,$(CURRENT_BUILD_CONFIG))/lib$(KERNEL_FILE_NAME).a $(OBJROOT)/lib$(KERNEL_FILE_NAME).a
endif

$(TARGET)/$(KERNEL_FILE_NAME).unstripped.noctf: $(addprefix $(TARGET)/,$(foreach component,$(COMPONENT_LIST),$(component)/$(CURRENT_KERNEL_CONFIG)/$(component).filelist)) lastkerneldataconst.o lastkernelconstructor.o nonlto.o version.o $(LDFILES_KERNEL_ONLY) .LDFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST))
ifeq ($(PRE_LTO),1)
	@$(LOG_LTO) "$(@F)"
	$(_v)$(RM) ltolink.filelist
	$(_v)$(RM) nonltolink.filelist
	$(_v)$(RM) -r $(TARGET)/justlto.o
	$(_v)files="$$($(CAT) $(filter %.filelist,$+)) $(filter %.o,$+)"; \
	for ofile in $$files; \
	do \
		hdr=$$(od -An -N 4 -t x4 $$ofile); \
		if [ $$hdr = "0b17c0de" ]; \
			then \
				if [ -z "$$lto" ]; \
					then \
						lto="$$ofile"; \
					else \
						lto="$$(printf '%s\n%s' "$$lto" "$$ofile")"; \
				fi; \
			else \
				if [ -z "$$nonlto" ]; \
					then \
						nonlto="$$ofile"; \
					else \
						nonlto="$$(printf '%s\n%s' "$$nonlto" "$$ofile")"; \
				fi; \
			fi; \
	done; \
	printf '%s\n' "$$lto" >ltolink.filelist; \
	printf '%s\n' "$$nonlto" >nonltolink.filelist
	@$(LOG_LD) "$(@F)"
	$(_v)if [ -s ltolink.filelist ]; \
	then \
		$(LD) $($(addsuffix $(CURRENT_ARCH_CONFIG),ARCH_FLAGS_)) -r nonlto.o -filelist ltolink.filelist $(LDFLAGS_KERNEL_LTO) -Wl,-object_path_lto,$(TARGET)/justlto.o -o $(TARGET)/justlto.tmp.o && \
		if test -d $(TARGET)/justlto.o; \
		then \
		    $(LD) $(LDFLAGS_KERNEL) $(LDFLAGS_KERNEL_ONLY) -filelist nonltolink.filelist $(TARGET)/justlto.o/*.o $(LDFLAGS_KERNEL_STRIP_LTO) -o $@ $(LD_KERNEL_LIBS) $(LD_KERNEL_ARCHIVES); \
		else \
		    $(LD) $(LDFLAGS_KERNEL) $(LDFLAGS_KERNEL_ONLY) -filelist nonltolink.filelist $(TARGET)/justlto.o $(LDFLAGS_KERNEL_STRIP_LTO) -o $@ $(LD_KERNEL_LIBS) $(LD_KERNEL_ARCHIVES); \
		fi; \
	else \
		$(LD) $(LDFLAGS_KERNEL) $(LDFLAGS_KERNEL_ONLY) -filelist nonltolink.filelist -o $@ $(LD_KERNEL_LIBS) $(LD_KERNEL_ARCHIVES); \
	fi
else
	@$(LOG_LD) "$(@F)"
	$(_v)$(CAT) $(filter %.filelist,$+) < /dev/null > link.filelist
	$(_v)$(LD) $(LDFLAGS_KERNEL) $(LDFLAGS_KERNEL_ONLY) -filelist link.filelist $(filter %.o,$+) -o $@ $(LD_KERNEL_LIBS) $(LD_KERNEL_ARCHIVES)
endif

$(TARGET)/compile_commands.json: $(addprefix $(TARGET)/,$(foreach component,$(COMPONENT_LIST),$(component)/$(CURRENT_KERNEL_CONFIG)/$(component).filelist))
	$(_v)files="$$(sed -e 's/$$/.json/' $(filter %.filelist,$+))"; \
	sed -e '1s/^/[\'$$'\n''/' -e '$$s/,$$/\'$$'\n'']/' $$files > compile_commands.json

# for now, rename LASTDATA_CONST to LAST on static kernel cache builds
EXTRA_KC_LINKARGS = -Wl,-rename_segment,__LASTDATA_CONST,__LAST

$(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).a:   $(TARGET)/$(KERNEL_FILE_NAME).unstripped .LDFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST))
	@$(LOG_LIBTOOL) "$(@F)"
	$(_v)$(MKDIR) $(dir $@)
ifeq ($(PRE_LTO),1)
	$(_v)if [ -d $(TARGET)/justlto.o ]; \
	then \
	    $(LIBTOOL) -ca $(TARGET)/justlto.o/*.o -filelist nonltolink.filelist -o $@; \
	else \
	    $(LIBTOOL) -ca $(TARGET)/justlto.o -filelist nonltolink.filelist -o $@; \
	fi
else
	$(_v)$(LIBTOOL) -ca -filelist link.filelist version.o lastkerneldataconst.o lastkernelconstructor.o -o $@
endif
	$(_v)cp $(TARGET)/all-kpi.exp $(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).exp
	$(_v)cp $(TARGET)/all-alias.exp $(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).alias.exp
	$(_v)echo "$(LD_KERNEL_ARCHIVES)" >$(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).linkarchives
	$(_v)echo "$(LDFLAGS_KERNEL) $(LD_KERNEL_LIBS) $(EXTRA_KC_LINKARGS)" >$(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).linkarguments
	$(_v)$(LN) $(call function_convert_build_config_to_objdir,$(CURRENT_BUILD_CONFIG))/$(KERNEL_FILE_NAME).link $(OBJROOT)/$(KERNEL_FILE_NAME).link

nonlto.o: .CFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST))
nonlto.o:   $(SRCROOT)/libsa/nonlto.c
	${C_RULE_0}
	${C_RULE_1A}$< $(CFLAGS_NOLTO_FLAG)
	${C_RULE_2}

-include version.d
version.o: .CFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST))
version.o: $(OBJPATH)/version.c
	${C_RULE_0}
	${C_RULE_1A}$<
	${C_RULE_2}
	${C_RULE_4}

$(OBJPATH)/version.c: $(SRCROOT)/config/version.c.template $(NEWVERS) $(XNU_VERSION)
	$(_v)$(CP) $< $@
	$(_v)$(NEWVERS) $@ > /dev/null;

# Generate xnuVersion file from B&I env var or the System.kext/Info.plist
# found in the SDK or KDK. Only update the file if the version number has
# actually changed to avoid rebuilding dependent source files unnecessarily.
ifeq ($(origin RC_DARWIN_KERNEL_VERSION), undefined)
SDK_SYSTEM_KEXT_INFO_PLIST := $(firstword $(wildcard $(addsuffix $(SYSTEM_KEXT_INFO_PLIST),$(SDKROOT_RESOLVED) $(KDKROOT))))
ifneq ($(SDK_SYSTEM_KEXT_INFO_PLIST),)
RC_DARWIN_KERNEL_VERSION := $(strip $(shell $(PLUTIL) -extract CFBundleVersion raw -n $(SDK_SYSTEM_KEXT_INFO_PLIST)))
endif
endif
ifeq ($(RC_DARWIN_KERNEL_VERSION),)
$(error Could not determine xnu version from SDK or KDK! Set RC_DARWIN_KERNEL_VERSION environment variable.)
endif
EXISTING_KERNEL_VERSION := $(strip $(shell test -r $(XNU_VERSION) && head -1 $(XNU_VERSION)))
ifneq ($(EXISTING_KERNEL_VERSION), $(RC_DARWIN_KERNEL_VERSION))
$(XNU_VERSION): ALWAYS
	@$(LOG_GENERATE) "$(notdir $@)$(Color0) with version \"$(ColorF)$(RC_DARWIN_KERNEL_VERSION)$(Color0)\""
	$(_v)printf > $@ '%s\n' "$(RC_DARWIN_KERNEL_VERSION)"
else ifeq ($(VERBOSE),YES)
$(XNU_VERSION): ALWAYS
	@echo "xnuVersion unchanged: checked for \"$(RC_DARWIN_KERNEL_VERSION)\" in $@"
endif

-include lastkerneldataconst.d
lastkerneldataconst.o: .CFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST))
lastkerneldataconst.o: $(SRCROOT)/libsa/lastkerneldataconst.c
	${C_RULE_0}
	${C_RULE_1A}$<
	${C_RULE_2}


lastkernelconstructor.o_CFLAGS_RM = -fprofile-instr-generate
# the LAST segment is mapped read-only on arm, so if we include llvm profiling
# here it will segfault the kernel.  (see arm_vm_init.c) We don't currently have
# a way of retrieving these counters from LAST anyway, so there's no harm in just
# disabling them.

LAST_FILES=lastkernelconstructor.o
-include lastkernelconstructor.d
lastkernelconstructor.o: .CFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST))
lastkernelconstructor.o: $(SRCROOT)/libsa/lastkernelconstructor.c
	${C_RULE_0}
	${C_RULE_1A}$< $(CFLAGS_NOLTO_FLAG)
	${C_RULE_2}
	${C_RULE_3}
	${C_RULE_4}
	$(_v)for last_file in ${LAST_FILES};				\
	do							\
		$(SEG_HACK) -s __DATA -n __LASTDATA_CONST -o $${last_file}__ $${last_file} || exit 1; \
		mv $${last_file}__ $${last_file} || exit 1;		\
	done
EXTRA_KC_LINKARGS = -Wl,-rename_segment,__LASTDATA_CONST,__LAST

#
# Install rules. Each build config is classified as "primary" (the first
# config for an architecture) or "non-primary". Primary build configs
# have the semantic of competing to *combine* single-architecture
# files into a multi-architecture output in the DSTROOT, like
# $(DSTROOT)/$(KERNEL_FILE_NAME), and consequently each primary build config
# has its install target run serially with respect to other primary
# build configs. Non-primary build configs will never compete for
# files in the DSTROOT or SYMROOT, and can be installed in parallel
# with other non-primary configs (and even primary configs)
#

do_build_install_primary:: do_install_machine_specific_kernel
ifeq ($(BUILD_DSYM),1)
do_build_install_primary:: do_install_machine_specific_kernel_dSYM
endif

do_build_install_non_primary:: do_install_machine_specific_kernel
ifeq ($(BUILD_DSYM),1)
do_build_install_non_primary:: do_install_machine_specific_kernel_dSYM
endif

ifeq ($(BUILD_DSYM),1)
ifeq ($(INSTALL_KERNEL_SYM_TO_KDK),1)
do_build_install_primary:: do_install_machine_specific_KDK_dSYM
do_build_install_non_primary:: do_install_machine_specific_KDK_dSYM
endif
endif

ifneq ($(BUILD_XNU_LIBRARY),1)
ifeq ($(INSTALL_XNU_DEBUG_FILES),1)
do_build_install_primary:: do_install_xnu_debug_files
endif

.PHONY: do_install_xnu_debug_files

do_install_xnu_debug_files:	$(DSTROOT)/$(DEVELOPER_EXTRAS_DIR)/README.DEBUG-kernel.txt
	@:
endif

#
# If the timestamp indicates the DSTROOT kernel is out of
# date, start over. Normal dependencies don't work because we can have
# ( BUILDA, BUILDB, INSTALLB, INSTALLA ) in which case at INSTALLA time
# the timestamps would $(DSTROOT)/$(KERNEL_FILE_NAME) is not out of date compared
# to BUILDA. So we maintain a separate file at the time make(1)
# was run and use it to determine what actions to take
#

$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME): $(TARGET)/$(KERNEL_FILE_NAME) ALWAYS
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALL) "$(@F)$(Color0) ($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))"
    # -nt and -ot are evaluated differently by bash, dash, and zsh (and are not part of the POSIX specification).
    # Explicitly specify what should happen when the right hand file doesn't exist.
	$(_v)if [ $(OBJROOT)/.mach_kernel.timestamp -nt $@ -o \( -e $(OBJROOT)/.mach_kernel.timestamp -a \! -e $@ \) ]; then	\
		$(INSTALL) $(EXEC_INSTALL_FLAGS) $< $@;			\
		cmdstatus=$$?;						\
	else								\
		$(LIPO) -create $@ $< -output $@;			\
		cmdstatus=$$?;						\
	fi;								\
	exit $$cmdstatus

ifeq ($(BUILD_STATIC_LINK),1)
ifeq ($(BUILD_XNU_LIBRARY),1)

$(DSTROOT)/$(INSTALL_KERNEL_DIR)/lib$(KERNEL_FILE_NAME).a: $(TARGET)/lib$(KERNEL_FILE_NAME).a ALWAYS
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALL) "$(@F)"
	$(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@

else
$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).a: $(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).a ALWAYS
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALL) "$(@F)"
	$(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@

$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).linkarguments: $(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).linkarguments ALWAYS
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALL) "$(@F)"
	$(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@

$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).linkarchives: $(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).linkarchives ALWAYS
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALL) "$(@F)"
	$(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@

$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).exp: $(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).exp ALWAYS
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALL) "$(@F)"
	$(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@

$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).alias.exp: $(TARGET)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).alias.exp ALWAYS
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALL) "$(@F)"
	$(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@
endif

# BUILD_STATIC_LINK
endif

$(SYMROOT)/$(KERNEL_FILE_NAME): $(TARGET)/$(KERNEL_FILE_NAME).unstripped ALWAYS
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALLSYM) "$(@F)$(Color0) ($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))"
    # -nt and -ot are evaluated differently by bash, dash, and zsh (and are not part of the POSIX specification).
    # Explicitly specify what should happen when the right hand file doesn't exist.
	$(_v)if [ $(OBJROOT)/.mach_kernel.timestamp -nt $@ -o \( -e $(OBJROOT)/.mach_kernel.timestamp -a \! -e $@ \) ]; then		\
		$(INSTALL) $(EXEC_INSTALL_FLAGS) $< $@;				\
		cmdstatus=$$?;							\
	else									\
		$(LIPO) -create $@ $< -output $@;				\
		cmdstatus=$$?;							\
	fi;									\
	exit $$cmdstatus


$(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros                                                                     \
$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros                      \
$(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros:                                          \
$(TARGET)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALLMACROS) "$(@F)$(Color0) $(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))"
	$(_v)$(CP) -r $< $(dir $@)
	$(_v)$(TOUCH) $@

$(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME)                                                   \
$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME).link/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME)    \
$(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME):                        \
$(TARGET)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME)
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALLMACROS) "$(@F)$(Color0) ($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))"
	$(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@

$(DSTROOT)/$(DEVELOPER_EXTRAS_DIR)/README.DEBUG-kernel.txt: $(SRCROOT)/config/README.DEBUG-kernel.txt
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALL) "$(@F)"
	$(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@

$(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist: $(TARGET)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALLSYM) "$(ColorL)dSYM$(Color0) $(ColorF)$(@F)$(Color0) ($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))"
	$(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@

$(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME) $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME): $(TARGET)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME) ALWAYS
	$(_v)$(MKDIR) $(dir $@)
	@$(LOG_INSTALLSYM) "$(ColorL)dSYM$(Color0) $(ColorF)$(@F).dSYM$(ColorF) ($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))"
    # -nt and -ot are evaluated differently by bash, dash, and zsh (and are not part of the POSIX specification).
    # Explicitly specify what should happen when the right hand file doesn't exist.
	$(_v)if [ $(OBJROOT)/.mach_kernel.timestamp -nt $@ -o \( -e $(OBJROOT)/.mach_kernel.timestamp -a \! -e $@ \) ]; then			\
		$(INSTALL) $(EXEC_INSTALL_FLAGS) $< $@;					\
		cmdstatus=$$?;								\
	else										\
		$(LIPO) -create $@ $< -output $@;					\
		cmdstatus=$$?;								\
	fi;										\
	exit $$cmdstatus

.PHONY: do_install_machine_specific_kernel do_install_machine_specific_kernel_dSYM
.PHONY: do_install_machine_specific_KDK_dSYM

ifeq ($(BUILD_XNU_LIBRARY),1)

do_install_machine_specific_kernel: $(KERNEL_STATIC_LINK_DST)
	@:
do_install_machine_specific_kernel_dSYM:
	@:

else

do_install_machine_specific_kernel: $(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME)                \
			$(SYMROOT)/$(KERNEL_FILE_NAME)                                                              \
			$(KERNEL_STATIC_LINK_DST)
	@:

do_install_machine_specific_kernel_dSYM: \
			$(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist \
			$(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros \
			$(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME) \
			$(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME)
	@:

do_install_machine_specific_KDK_dSYM: \
			$(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist \
			$(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros \
			$(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME) \
			$(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME)
	@:

endif

# The $(RM) is needed so that the $(LN) doesn't dereference an existing
# symlink during incremental builds and create a new symlink inside
# the target of the existing symlink
ifneq ($(INSTALLHDRS_SKIP_HOST),YES)
do_installhdrs_mi:: $(DSTROOT)/$(KRESDIR)/Info.plist
	$(_v)$(MKDIR) $(DSTROOT)/$(KINCFRAME)
	$(_v)$(MKDIR) $(DSTROOT)/$(KPINCDIR)
	$(_v)$(MKDIR) $(DSTROOT)/$(KRESDIR)
	$(_v)$(MKDIR) $(DSTROOT)/$(KLIBCXXINCDIR)
	$(_v)$(RM) $(DSTROOT)/$(KINCFRAME)/Versions/Current
	$(_v)$(LN) $(KINCVERS) $(DSTROOT)/$(KINCFRAME)/Versions/Current
	$(_v)$(RM) $(DSTROOT)/$(KINCFRAME)/Headers
	$(_v)$(LN) Versions/Current/Headers			\
		   $(DSTROOT)/$(KINCFRAME)/Headers
	$(_v)$(RM) $(DSTROOT)/$(KINCFRAME)/PrivateHeaders
	$(_v)$(LN) Versions/Current/PrivateHeaders		\
		   $(DSTROOT)/$(KINCFRAME)/PrivateHeaders
	$(_v)$(RM) $(DSTROOT)/$(KINCFRAME)/Resources
	$(_v)$(LN) Versions/Current/Resources			\
		   $(DSTROOT)/$(KINCFRAME)/Resources
endif

ifneq ($(INSTALLHDRS_SKIP_HOST),YES)
$(DSTROOT)/$(KRESDIR)/Info.plist: $(SOURCE)/EXTERNAL_HEADERS/Info.plist $(NEWVERS) $(XNU_VERSION)
	$(_v)$(MKDIR) $(DSTROOT)/$(KRESDIR)
	$(_v)$(INSTALL) $(DATA_INSTALL_FLAGS) $< $@
	$(_v)$(NEWVERS) $@ $(_vstdout)
ifeq ($(USE_BINARY_PLIST),1)
	$(_v)$(PLUTIL) -convert binary1 -o $@ $@
endif
endif

$(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(ALIAS_FILE_NAME): ALWAYS
	@$(LOG_ALIAS) "$(@F)$(Color0) ($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0) $(ColorLF)$(CURRENT_MACHINE_CONFIG_LC)$(Color0) $(ColorLF)$(CURRENT_ALIAS_MACHINE_CONFIG_LC)$(Color0))"
	$(_v)$(INSTALL) $(EXEC_INSTALL_FLAGS) $(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME) $@

install_alias: $(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(ALIAS_FILE_NAME)

print_exports:
	$(_v)printenv | sort

# vim: set ft=make: