Makefile.rules

#----------------------------------------------------------------------
# Clients fill in the source files to build
#----------------------------------------------------------------------
# C_SOURCES := main.c
# CXX_SOURCES :=
# OBJC_SOURCES :=
# OBJCXX_SOURCES :=
# DYLIB_C_SOURCES :=
# DYLIB_OBJC_SOURCES :=
# DYLIB_CXX_SOURCES :=
#
# Specifying DYLIB_ONLY has the effect of building dylib only, skipping
# the building of the a.out executable program.  For example,
# DYLIB_ONLY := YES
#
# Specifying FRAMEWORK and its variants has the effect of building a NeXT-style
# framework.
# FRAMEWORK := "Foo"
# FRAMEWORK_HEADERS := "Foo.h"
# FRAMEWORK_MODULES := "module.modulemap"
#
# Also might be of interest:
# FRAMEWORK_INCLUDES (Darwin only) :=
# CFLAGS_EXTRAS :=
# LD_EXTRAS :=
# SPLIT_DEBUG_SYMBOLS := YES
# CROSS_COMPILE :=
# USE_PRIVATE_MODULE_CACHE := YES

# Uncomment line below for debugging shell commands
# SHELL = /bin/sh -x

# Suppress built-in suffix rules. We explicitly define rules for %.o.
.SUFFIXES:

SRCDIR := $(shell dirname $(firstword $(MAKEFILE_LIST)))
BUILDDIR := $(shell pwd)
MAKEFILE_RULES := $(lastword $(MAKEFILE_LIST))
THIS_FILE_DIR := $(shell dirname $(MAKEFILE_RULES))
LLDB_BASE_DIR := $(THIS_FILE_DIR)/../../../../../

# The test harness invokes the test Makefiles with an explicit 'all'
# target, but its handy to be able to recursively call this Makefile
# without specifying a goal. You almost certainly want to build 'all',
# and not only the first target defined in this file (which might vary
# according to variable values).
.DEFAULT_GOAL := all

#----------------------------------------------------------------------
# If OS is not defined, use 'uname -s' to determine the OS name.
#
# uname on Windows gives "windows32" or "server version windows32", but most
# environments standardize on "Windows_NT", so we'll make it consistent here.
# When running tests from Visual Studio, the environment variable isn't
# inherited all the way down to the process spawned for make.
#----------------------------------------------------------------------
HOST_OS := $(shell uname -s)
ifneq (,$(findstring windows32,$(HOST_OS)))
	HOST_OS := Windows_NT
endif
ifeq "$(OS)" ""
	OS := $(HOST_OS)
endif

#----------------------------------------------------------------------
# If OS is Windows, force SHELL to be cmd
#
# Some versions of make on Windows will search for other shells such as
# C:\cygwin\bin\sh.exe. This shell fails for numerous different reasons
# so default to using cmd.exe.
#----------------------------------------------------------------------
ifeq "$(OS)" "Windows_NT"
	SHELL = $(WINDIR)\system32\cmd.exe
endif

#----------------------------------------------------------------------
# If the OS is Windows use double-quotes in commands
#
# For other operating systems, single-quotes work fine, but on Windows
# we strictly required double-quotes
#----------------------------------------------------------------------
ifeq "$(HOST_OS)" "Windows_NT"
	QUOTE = "
	FIXUP_SYNTAX_HIGHLIGHTING_IN_MY_EDITOR = "
else
	QUOTE = '
	FIXUP_SYNTAX_HIGHLIGHTING_IN_MY_EDITOR = '
endif

#----------------------------------------------------------------------
# If TRIPLE is not defined try to set the ARCH, CC, CFLAGS, and more
# from the triple alone
#----------------------------------------------------------------------
ARCH_CFLAGS :=
ifeq "$(OS)" "Android"
	include $(THIS_FILE_DIR)/Android.rules
endif

#----------------------------------------------------------------------
# If ARCH is not defined, default to x86_64.
#----------------------------------------------------------------------
ifeq "$(ARCH)" ""
ifeq "$(OS)" "Windows_NT"
	ARCH = x86
else
	ARCH = x86_64
endif
endif

#----------------------------------------------------------------------
# CC defaults to clang.
#
# If you change the defaults of CC, be sure to also change it in the file
# test/builders/builder_base.py, which provides a Python way to return the
# value of the make variable CC -- getCompiler().
#
# See also these functions:
#   o cxx_compiler
#   o cxx_linker
#----------------------------------------------------------------------
ifeq "$(CC)" ""
$(error "C compiler is not specified. Please run tests through lldb-dotest or lit")
endif

#----------------------------------------------------------------------
# Handle SDKROOT on Darwin
#----------------------------------------------------------------------

ifeq "$(OS)" "Darwin"
    ifeq "$(SDKROOT)" ""
	# We haven't otherwise set the SDKROOT, so set it now to macosx
	SDKROOT := $(shell xcrun --sdk macosx --show-sdk-path)
    endif
endif

#----------------------------------------------------------------------
# ARCHFLAG is the flag used to tell the compiler which architecture
# to compile for. The default is the flag that clang accepts.
#----------------------------------------------------------------------
ARCHFLAG ?= -arch

#----------------------------------------------------------------------
# Change any build/tool options needed
#----------------------------------------------------------------------
ifeq "$(OS)" "Darwin"
	DS := $(DSYMUTIL)
	DSFLAGS =
	DSYM = $(EXE).dSYM
	AR := $(CROSS_COMPILE)libtool
	ARFLAGS := -static -o
else
	AR := $(CROSS_COMPILE)ar
	# On non-Apple platforms, -arch becomes -m
	ARCHFLAG := -m

	# i386, i686, x86 -> 32
	# amd64, x86_64, x64 -> 64
	ifeq "$(ARCH)" "amd64"
		override ARCH := $(subst amd64,64,$(ARCH))
	endif
	ifeq "$(ARCH)" "x86_64"
		override ARCH := $(subst x86_64,64,$(ARCH))
	endif
	ifeq "$(ARCH)" "x64"
		override ARCH := $(subst x64,64,$(ARCH))
	endif
	ifeq "$(ARCH)" "x86"
		override ARCH := $(subst x86,32,$(ARCH))
	endif
	ifeq "$(ARCH)" "i386"
		override ARCH := $(subst i386,32,$(ARCH))
	endif
	ifeq "$(ARCH)" "i686"
		override ARCH := $(subst i686,32,$(ARCH))
	endif
	ifeq "$(ARCH)" "powerpc"
		override ARCH := $(subst powerpc,32,$(ARCH))
	endif
	ifeq "$(ARCH)" "powerpc64"
		override ARCH := $(subst powerpc64,64,$(ARCH))
	endif
	ifeq "$(ARCH)" "powerpc64le"
		override ARCH := $(subst powerpc64le,64,$(ARCH))
	endif
	ifeq "$(ARCH)" "aarch64"
		override ARCH :=
		override ARCHFLAG :=
	endif
	ifeq "$(findstring arm,$(ARCH))" "arm"
		override ARCH :=
		override ARCHFLAG :=
	endif
	ifeq "$(ARCH)" "s390x"
		override ARCH :=
		override ARCHFLAG :=
	endif
	ifeq "$(findstring mips,$(ARCH))" "mips"
		override ARCHFLAG := -
	endif

	ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
		DSYM = $(EXE).debug
	endif
endif

LIMIT_DEBUG_INFO_FLAGS =
NO_LIMIT_DEBUG_INFO_FLAGS =
MODULE_DEBUG_INFO_FLAGS =
ifneq (,$(findstring clang,$(CC)))
   LIMIT_DEBUG_INFO_FLAGS += -flimit-debug-info
   NO_LIMIT_DEBUG_INFO_FLAGS += -fno-limit-debug-info
   MODULE_DEBUG_INFO_FLAGS += -gmodules
endif

# If the OS is Windows, we need to pass -gdwarf to clang, otherwise it will build
# with codeview by default but all the tests rely on dwarf.
ifeq "$(OS)" "Windows_NT"
	DEBUG_INFO_FLAG ?= -gdwarf
endif

DEBUG_INFO_FLAG ?= -g

CFLAGS ?= $(DEBUG_INFO_FLAG) -O0

ifeq "$(OS)" "Darwin"
	ifneq "$(SDKROOT)" ""
		CFLAGS += -isysroot "$(SDKROOT)"
	endif
endif

ifeq "$(OS)" "Darwin"
	CFLAGS += $(ARCHFLAG) $(ARCH) $(FRAMEWORK_INCLUDES) -I$(LLDB_BASE_DIR)include
else
	CFLAGS += $(ARCHFLAG)$(ARCH) $(FRAMEWORK_INCLUDES) -I$(LLDB_BASE_DIR)include
endif

CFLAGS += -I$(SRCDIR) -I$(THIS_FILE_DIR)

ifndef NO_TEST_COMMON_H
  CFLAGS += -include $(THIS_FILE_DIR)/test_common.h
endif

CFLAGS += $(NO_LIMIT_DEBUG_INFO_FLAGS) $(ARCH_CFLAGS)

# Use this one if you want to build one part of the result without debug information:
ifeq "$(OS)" "Darwin"
	CFLAGS_NO_DEBUG = -O0 $(ARCHFLAG) $(ARCH) $(FRAMEWORK_INCLUDES) $(ARCH_CFLAGS) $(CFLAGS_EXTRAS) -isysroot "$(SDKROOT)"
else
	CFLAGS_NO_DEBUG = -O0 $(ARCHFLAG)$(ARCH) $(FRAMEWORK_INCLUDES) $(ARCH_CFLAGS) $(CFLAGS_EXTRAS)
endif

ifeq "$(MAKE_DWO)" "YES"
	CFLAGS += -gsplit-dwarf
endif

ifeq "$(USE_PRIVATE_MODULE_CACHE)" "YES"
THE_CLANG_MODULE_CACHE_DIR := $(BUILDDIR)/private-module-cache
else
THE_CLANG_MODULE_CACHE_DIR := $(CLANG_MODULE_CACHE_DIR)
endif

MODULE_BASE_FLAGS := -fmodules -gmodules -fmodules-cache-path=$(THE_CLANG_MODULE_CACHE_DIR)
MANDATORY_MODULE_BUILD_CFLAGS := $(MODULE_BASE_FLAGS) -gmodules
# Build flags for building with C++ modules.
# -glldb is necessary for emitting information about what modules were imported.
MANDATORY_CXXMODULE_BUILD_CFLAGS := $(MODULE_BASE_FLAGS) -fcxx-modules -glldb

ifeq "$(OS)" "Darwin"
	MANDATORY_MODULE_BUILD_CFLAGS += -fcxx-modules
endif

ifeq "$(MAKE_GMODULES)" "YES"
	CFLAGS += $(MANDATORY_MODULE_BUILD_CFLAGS)
	CXXFLAGS += $(MANDATORY_MODULE_BUILD_CFLAGS)
endif

CFLAGS += $(CFLAGS_EXTRAS)
CXXFLAGS += -std=c++11 $(CFLAGS) $(ARCH_CXXFLAGS)
LD = $(CC)
LDFLAGS ?= $(CFLAGS)
LDFLAGS += $(LD_EXTRAS) $(ARCH_LDFLAGS)
ifeq (,$(filter $(OS), Windows_NT Android Darwin))
	ifneq (,$(filter YES,$(ENABLE_THREADS)))
		LDFLAGS += -pthread
	endif
endif
OBJECTS =
EXE ?= a.out

ifneq "$(FRAMEWORK)" ""
	DYLIB_NAME ?= $(FRAMEWORK).framework/Versions/A/$(FRAMEWORK)
	DYLIB_FILENAME ?= $(FRAMEWORK).framework/Versions/A/$(FRAMEWORK)
endif

ifneq "$(DYLIB_NAME)" ""
	ifeq "$(OS)" "Darwin"
		ifneq "$(FRAMEWORK)" ""
			DYLIB_INSTALL_NAME ?= @executable_path/$(FRAMEWORK).framework/Versions/A/$(FRAMEWORK)
		else
			DYLIB_FILENAME = lib$(DYLIB_NAME).dylib
			DYLIB_INSTALL_NAME ?= @executable_path/$(DYLIB_FILENAME)
		endif
	else ifeq "$(OS)" "Windows_NT"
		DYLIB_FILENAME = $(DYLIB_NAME).dll
	else
		DYLIB_FILENAME = lib$(DYLIB_NAME).so
	endif
endif

# Function that returns the counterpart C++ compiler, given $(CC) as arg.
cxx_compiler_notdir = $(if $(findstring icc,$(1)), \
			$(subst icc,icpc,$(1)), \
			$(if $(findstring llvm-gcc,$(1)), \
				$(subst llvm-gcc,llvm-g++,$(1)), \
				$(if $(findstring gcc,$(1)), \
					$(subst gcc,g++,$(1)), \
					$(subst cc,c++,$(1)))))
cxx_compiler = $(if $(findstring /,$(1)),$(join $(dir $(1)), $(call cxx_compiler_notdir,$(notdir $(1)))),$(call cxx_compiler_notdir,$(1)))

# Function that returns the C++ linker, given $(CC) as arg.
cxx_linker_notdir = $(if $(findstring icc,$(1)), \
			$(subst icc,icpc,$(1)), \
			$(if $(findstring llvm-gcc,$(1)), \
				$(subst llvm-gcc,llvm-g++,$(1)), \
				$(if $(findstring gcc,$(1)), \
					$(subst gcc,g++,$(1)), \
					$(subst cc,c++,$(1)))))
cxx_linker = $(if $(findstring /,$(1)),$(join $(dir $(1)), $(call cxx_linker_notdir,$(notdir $(1)))),$(call cxx_linker_notdir,$(1)))

ifneq "$(OS)" "Darwin"
	CLANG_OR_GCC := $(strip $(if $(findstring clang,$(CC)), \
				$(findstring clang,$(CC)), \
				$(if $(findstring gcc,$(CC)), \
					$(findstring gcc,$(CC)), \
					cc)))

	CC_LASTWORD := $(strip $(lastword $(subst -, ,$(CC))))

	replace_with = $(strip $(if $(findstring $(3),$(CC_LASTWORD)), \
			$(subst $(3),$(1),$(2)), \
			$(subst $(3),$(1),$(subst -$(CC_LASTWORD),,$(2)))))

	ifeq "$(notdir $(CC))" "$(CC)"
		replace_cc_with = $(call replace_with,$(1),$(CC),$(CLANG_OR_GCC))
	else
		replace_cc_with = $(join $(dir $(CC)),$(call replace_with,$(1),$(notdir $(CC)),$(CLANG_OR_GCC)))
	endif

	OBJCOPY ?= $(call replace_cc_with,objcopy)
	ARCHIVER ?= $(call replace_cc_with,ar)
	override AR = $(ARCHIVER)
endif

ifdef PIE
	LDFLAGS += -pie
endif

#----------------------------------------------------------------------
# Windows specific options
#----------------------------------------------------------------------
ifeq "$(OS)" "Windows_NT"
	ifneq (,$(findstring clang,$(CC)))
		# Clang for Windows doesn't support C++ Exceptions
		CXXFLAGS += -fno-exceptions
		CXXFLAGS += -D_HAS_EXCEPTIONS=0

		# MSVC 2015 or higher is required, which depends on c++14, so
		# append these values unconditionally.
		CXXFLAGS += -fms-compatibility-version=19.0
		CXXFLAGS += -std=c++14

		# The MSVC linker doesn't understand long section names
		# generated by the clang compiler.
		LDFLAGS += -fuse-ld=lld
	endif
endif

#----------------------------------------------------------------------
# C++ standard library options
#----------------------------------------------------------------------
ifeq (1,$(USE_LIBSTDCPP))
	# Clang requires an extra flag: -stdlib=libstdc++
	ifneq (,$(findstring clang,$(CC)))
		CXXFLAGS += -stdlib=libstdc++ -DLLDB_USING_LIBSTDCPP
		LDFLAGS += -stdlib=libstdc++
	endif
endif

ifeq (1,$(USE_LIBCPP))
	# TODO: Teach LLDB to handle ABI tags in libc++ namespaces.
	CXXFLAGS += -DLLDB_USING_LIBCPP -D_LIBCPP_NO_ABI_TAG
	ifeq "$(OS)" "Android"
		# Nothing to do, this is already handled in
		# Android.rules.
	else
		CXXFLAGS += -stdlib=libc++
		LDFLAGS += -stdlib=libc++
	endif
	ifneq (,$(filter $(OS), FreeBSD Linux NetBSD))
		ifneq (,$(LLVM_LIBS_DIR))
			LDFLAGS += -Wl,-rpath,$(LLVM_LIBS_DIR)
		endif
	endif
endif

#----------------------------------------------------------------------
# Additional system libraries
#----------------------------------------------------------------------
ifeq (1,$(USE_LIBDL))
	ifeq (,$(filter $(OS), NetBSD Windows_NT))
		LDFLAGS += -ldl
	endif
endif

CXXFLAGS += $(CXXFLAGS_EXTRAS)

#----------------------------------------------------------------------
# dylib settings
#----------------------------------------------------------------------

DYLIB_OBJECTS +=$(strip $(DYLIB_C_SOURCES:.c=.o))
DYLIB_OBJECTS +=$(strip $(DYLIB_OBJC_SOURCES:.m=.o))
ifneq "$(strip $(DYLIB_CXX_SOURCES))" ""
	DYLIB_OBJECTS +=$(strip $(patsubst %.mm, %.o, $(DYLIB_CXX_SOURCES:.cpp=.o)))
	CXX = $(call cxx_compiler,$(CC))
	LD = $(call cxx_linker,$(CC))
endif

#----------------------------------------------------------------------
# Check if we have a precompiled header
#----------------------------------------------------------------------
ifneq "$(strip $(PCH_CXX_SOURCE))" ""
	PCH_OUTPUT = $(PCH_CXX_SOURCE:.h=.h.pch)
	PCHFLAGS = -include $(PCH_CXX_SOURCE)
endif

#----------------------------------------------------------------------
# Check if we have any C source files
#----------------------------------------------------------------------
ifneq "$(strip $(C_SOURCES))" ""
	OBJECTS +=$(strip $(C_SOURCES:.c=.o))
endif

#----------------------------------------------------------------------
# Check if we have any C++ source files
#----------------------------------------------------------------------
ifneq "$(strip $(CXX_SOURCES))" ""
	OBJECTS +=$(strip $(CXX_SOURCES:.cpp=.o))
	CXX = $(call cxx_compiler,$(CC))
	LD = $(call cxx_linker,$(CC))
endif

#----------------------------------------------------------------------
# Check if we have any ObjC source files
#----------------------------------------------------------------------
ifneq "$(strip $(OBJC_SOURCES))" ""
	OBJECTS +=$(strip $(OBJC_SOURCES:.m=.o))
	LDFLAGS +=-lobjc
endif

#----------------------------------------------------------------------
# Check if we have any ObjC++ source files
#----------------------------------------------------------------------
ifneq "$(strip $(OBJCXX_SOURCES))" ""
	OBJECTS +=$(strip $(OBJCXX_SOURCES:.mm=.o))
	CXX = $(call cxx_compiler,$(CC))
	LD = $(call cxx_linker,$(CC))
	ifeq "$(findstring lobjc,$(LDFLAGS))" ""
		LDFLAGS +=-lobjc
	endif
endif

ifeq ($(findstring clang, $(CXX)), clang)
	CXXFLAGS += --driver-mode=g++
endif

ifneq "$(CXX)" ""
	ifeq ($(findstring clang, $(LD)), clang)
		LDFLAGS += --driver-mode=g++
	endif
endif

#----------------------------------------------------------------------
# DYLIB_ONLY variable can be used to skip the building of a.out.
# See the sections below regarding dSYM file as well as the building of
# EXE from all the objects.
#----------------------------------------------------------------------

#----------------------------------------------------------------------
# Compile the executable from all the objects.
#----------------------------------------------------------------------
ifneq "$(DYLIB_NAME)" ""
ifeq "$(DYLIB_ONLY)" ""
$(EXE) : $(OBJECTS) $(DYLIB_FILENAME)
	$(LD) $(OBJECTS) -L. -l$(DYLIB_NAME) $(LDFLAGS) -o "$(EXE)"
ifneq "$(CODESIGN)" ""
	$(CODESIGN) -s - "$(EXE)"
endif
else
EXE = $(DYLIB_FILENAME)
endif
else
$(EXE) : $(OBJECTS)
	$(LD) $(OBJECTS) $(LDFLAGS) -o "$(EXE)"
ifneq "$(CODESIGN)" ""
	$(CODESIGN) -s - "$(EXE)"
endif
endif

#----------------------------------------------------------------------
# Make the dSYM file from the executable if $(MAKE_DSYM) != "NO"
#----------------------------------------------------------------------
$(DSYM) : $(EXE)
ifeq "$(OS)" "Darwin"
ifneq "$(MAKE_DSYM)" "NO"
	"$(DS)" $(DSFLAGS) -o "$(DSYM)" "$(EXE)"
else
endif
else
ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
	$(OBJCOPY) --only-keep-debug "$(EXE)" "$(DSYM)"
	$(OBJCOPY) --strip-debug --add-gnu-debuglink="$(DSYM)" "$(EXE)" "$(EXE)"
endif
endif

#----------------------------------------------------------------------
# Make the dylib
#----------------------------------------------------------------------
$(DYLIB_OBJECTS) : CFLAGS += -DCOMPILING_LLDB_TEST_DLL

ifneq "$(OS)" "Windows_NT"
$(DYLIB_OBJECTS) : CFLAGS += -fPIC
$(DYLIB_OBJECTS) : CXXFLAGS += -fPIC
endif

$(DYLIB_FILENAME) : $(DYLIB_OBJECTS)
ifeq "$(OS)" "Darwin"
ifneq "$(FRAMEWORK)" ""
	mkdir -p $(FRAMEWORK).framework/Versions/A/Headers
	mkdir -p $(FRAMEWORK).framework/Versions/A/Modules
	mkdir -p $(FRAMEWORK).framework/Versions/A/Resources
ifneq "$(FRAMEWORK_MODULES)" ""
	cp -r $(FRAMEWORK_MODULES) $(FRAMEWORK).framework/Versions/A/Modules
endif
ifneq "$(FRAMEWORK_HEADERS)" ""
	cp -r $(FRAMEWORK_HEADERS) $(FRAMEWORK).framework/Versions/A/Headers
endif
	(cd $(FRAMEWORK).framework/Versions; ln -sf A Current)
	(cd $(FRAMEWORK).framework/; ln -sf Versions/A/Headers Headers)
	(cd $(FRAMEWORK).framework/; ln -sf Versions/A/Modules Modules)
	(cd $(FRAMEWORK).framework/; ln -sf Versions/A/Resources Resources)
	(cd $(FRAMEWORK).framework/; ln -sf Versions/A/$(FRAMEWORK) $(FRAMEWORK))
endif
	$(LD) $(DYLIB_OBJECTS) $(LDFLAGS) -install_name "$(DYLIB_INSTALL_NAME)" -dynamiclib -o "$(DYLIB_FILENAME)"
ifneq "$(CODESIGN)" ""
	$(CODESIGN) -s - "$(DYLIB_FILENAME)"
endif
ifneq "$(MAKE_DSYM)" "NO"
ifneq "$(DS)" ""
	"$(DS)" $(DSFLAGS) "$(DYLIB_FILENAME)"
endif
endif
else
	$(LD) $(DYLIB_OBJECTS) $(LDFLAGS) -shared -o "$(DYLIB_FILENAME)"
ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
	$(OBJCOPY) --only-keep-debug "$(DYLIB_FILENAME)" "$(DYLIB_FILENAME).debug"
	$(OBJCOPY) --strip-debug --add-gnu-debuglink="$(DYLIB_FILENAME).debug" "$(DYLIB_FILENAME)" "$(DYLIB_FILENAME)"
endif
endif

#----------------------------------------------------------------------
# Make the precompiled header and compile C++ sources against it
#----------------------------------------------------------------------

ifneq "$(PCH_OUTPUT)" ""
$(PCH_OUTPUT) : $(PCH_CXX_SOURCE)
	$(CXX) $(CXXFLAGS) -x c++-header -o $@ $<
endif

%.o: %.c %.d
	$(CC) $(CFLAGS) -MT $@ -MD -MP -MF $*.d -c -o $@ $<

%.o: %.cpp %.d $(PCH_OUTPUT)
	$(CXX) $(PCHFLAGS) $(CXXFLAGS) -MT $@ -MD -MP -MF $*.d -c -o $@ $<

%.o: %.m %.d
	$(CC) $(CFLAGS) -MT $@ -MD -MP -MF $*.d -c -o $@ $<

%.o: %.mm %.d
	$(CXX) $(CXXFLAGS) -MT $@ -MD -MP -MF $*.d -c -o $@ $<

#----------------------------------------------------------------------
# Automatic variables based on items already entered. Below we create
# an object's lists from the list of sources by replacing all entries
# that end with .c with .o, and we also create a list of prerequisite
# files by replacing all .c files with .d.
#----------------------------------------------------------------------
PREREQS := $(OBJECTS:.o=.d)
DWOS := $(OBJECTS:.o=.dwo)
ifneq "$(DYLIB_NAME)" ""
	DYLIB_PREREQS := $(DYLIB_OBJECTS:.o=.d)
	DYLIB_DWOS := $(DYLIB_OBJECTS:.o=.dwo)
endif

# Don't error if a .d file is deleted.
$(PREREQS) $(DYLIB_PREREQS): ;

#----------------------------------------------------------------------
# Include all of the makefiles for each source file so we don't have
# to manually track all of the prerequisites for each source file.
#----------------------------------------------------------------------
include $(wildcard $(PREREQS) $(DYLIB_PREREQS))

.PHONY: clean
dsym:	$(DSYM)
all:	$(EXE) $(DSYM)
clean::
ifeq "$(findstring lldb-test-build.noindex, $(BUILDDIR))" ""
	$(error Trying to invoke the clean rule, but not using the default build tree layout)
else
	$(RM) -r $(wildcard $(BUILDDIR)/*)
endif

#----------------------------------------------------------------------
# From http://blog.melski.net/tag/debugging-makefiles/
#
# Usage: make print-CC print-CXX print-LD
#----------------------------------------------------------------------
print-%:
	@echo '$*=$($*)'
	@echo '  origin = $(origin $*)'
	@echo '  flavor = $(flavor $*)'
	@echo '   value = $(value  $*)'

### Local Variables: ###
### mode:makefile ###
### End: ###