forked from len0rd/rockbox
a05d061aa3
On macOS we pass the full path to the compiler. On recent versions this causes the compiler to not find its SDK path, this needs to get passed via the isysroot option. Change-Id: Iea2820e1755cc80e12691119dfa31d70938ea511
176 lines
5.9 KiB
Makefile
176 lines
5.9 KiB
Makefile
# __________ __ ___.
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# Open \______ \ ____ ____ | | _\_ |__ _______ ___
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# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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# \/ \/ \/ \/ \/
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# libtools.make
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#
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# Common Makefile for tools used by Rockbox Utility.
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# Provides rules for building as library, universal library (OS X) and
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# standalone binary.
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#
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# LIBSOURCES is a list of files to build the lib
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# SOURCES is a list of files to build for the main binary
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# EXTRADEPS is a list of make targets dependencies
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#
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ifndef V
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SILENT = @
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endif
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# Get directory this Makefile is in for relative paths.
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TOP := $(dir $(lastword $(MAKEFILE_LIST)))
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ifeq ($(OS),Windows_NT)
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mkdir = if not exist $(subst /,\,$(1)) mkdir $(subst /,\,$(1))
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rm = if exist $(subst /,\,$(1)) del /q /s $(subst /,\,$(1))
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else
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mkdir = mkdir -p $(1)
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rm = rm -rf $(1)
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endif
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# overwrite for releases
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APPVERSION ?= $(shell $(TOP)/../tools/version.sh $(TOP)/..)
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GCCFLAGS += -DVERSION=\"$(APPVERSION)\"
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TARGET_DIR ?= $(abspath .)/
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CC := gcc
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CXX := g++
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# use either CC or CXX to link: this makes sure the compiler knows about its
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# internal dependencies. Use CXX if we have at least one c++ file, since we
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# then need to link the c++ standard library (which CXX does for us).
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ifeq ($(strip $(filter %.cpp,$(SOURCES) $(LIBSOURCES))),)
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LD := $(CC)
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else
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LD := $(CXX)
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endif
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CPPDEFINES := $(shell echo foo | $(CROSS)$(CC) -dM -E -)
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BINARY = $(OUTPUT)
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# when building a Windows binary add the correct file suffix
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ifeq ($(findstring CYGWIN,$(CPPDEFINES)),CYGWIN)
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BINARY = $(OUTPUT).exe
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GCCFLAGS += -mno-cygwin
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COMPILETARGET = cygwin
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else
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ifeq ($(findstring MINGW,$(CPPDEFINES)),MINGW)
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BINARY = $(OUTPUT).exe
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COMPILETARGET = mingw
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# use POSIX/C99 printf on windows
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GCCFLAGS += -D__USE_MINGW_ANSI_STDIO=1
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else
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ifeq ($(findstring APPLE,$(CPPDEFINES)),APPLE)
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COMPILETARGET = darwin
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LDOPTS += $(LDOPTS_OSX)
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else
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COMPILETARGET = posix
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endif
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endif
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endif
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$(info Compiler creates $(COMPILETARGET) binaries)
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# OS X specifics. Needs to consider cross compiling for Windows.
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ifeq ($(findstring APPLE,$(CPPDEFINES)),APPLE)
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# When building for 10.4+ we need to use gcc. Otherwise clang is used, so use
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# that to determine if we need to set arch and isysroot.
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ifeq ($(findstring __clang__,$(CPPDEFINES)),__clang__)
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GCCFLAGS += -mmacosx-version-min=10.5
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ifneq ($(ISYSROOT),)
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GCCFLAGS += -isysroot $(ISYSROOT)
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endif
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else
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# when building libs for OS X 10.4+ build for both i386 and ppc at the same time.
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# This creates fat objects, and ar can only create the archive but not operate
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# on it. As a result the ar call must NOT use the u (update) flag.
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ARCHFLAGS += -arch ppc -arch i386
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# building against SDK 10.4 is not compatible with gcc-4.2 (default on newer Xcode)
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# might need adjustment for older Xcode.
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CC = gcc-4.0
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GCCFLAGS += -isysroot /Developer/SDKs/MacOSX10.4u.sdk -mmacosx-version-min=10.4
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endif
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endif
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BUILD_DIR ?= $(TARGET_DIR)build$(COMPILETARGET)
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OBJDIR = $(abspath $(BUILD_DIR))/
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all: $(BINARY)
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OBJS := $(addsuffix .o,$(addprefix $(OBJDIR),$(notdir $(SOURCES))))
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LIBOBJS := $(addsuffix .o,$(addprefix $(OBJDIR),$(notdir $(LIBSOURCES))))
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# create dependency files. Make sure to use the same prefix as with OBJS!
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$(foreach src,$(SOURCES) $(LIBSOURCES),$(eval $(addprefix $(OBJDIR),$(notdir $(src).o)): $(src)))
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$(foreach src,$(SOURCES) $(LIBSOURCES),$(eval $(addprefix $(OBJDIR),$(notdir $(src).d)): $(src)))
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DEPS = $(addprefix $(OBJDIR),$(addsuffix .d,$(notdir $(SOURCES) $(LIBSOURCES))))
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-include $(DEPS)
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# additional link dependencies for the standalone executable
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# extra dependencies: libucl
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LIBUCL = libucl.a
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$(LIBUCL): $(OBJDIR)$(LIBUCL)
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$(OBJDIR)$(LIBUCL):
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$(SILENT)$(MAKE) -C $(TOP)/../tools/ucl/src TARGET_DIR=$(OBJDIR) CC=$(CC) $@
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LIBBZIP2 = libbzip2.a
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$(LIBBZIP2): $(OBJDIR)$(LIBBZIP2)
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$(OBJDIR)$(LIBBZIP2):
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$(SILENT)$(MAKE) -C $(TOP)/bzip2 TARGET_DIR=$(OBJDIR) CC=$(CC) $@
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# building the standalone executable
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$(BINARY): $(OBJS) $(EXTRADEPS) $(addprefix $(OBJDIR),$(EXTRALIBOBJS)) $(TARGET_DIR)lib$(OUTPUT).a
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$(info LD $@)
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$(SILENT)$(call mkdir,$(dir $@))
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# EXTRADEPS need to be built into OBJDIR.
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$(SILENT)$(CROSS)$(LD) $(ARCHFLAGS) $(LDFLAGS) -o $(BINARY) \
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$(OBJS) $(addprefix $(OBJDIR),$(EXTRADEPS)) \
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$(addprefix $(OBJDIR),$(EXTRALIBOBJS)) lib$(OUTPUT).a $(addprefix $(OBJDIR),$(EXTRADEPS)) $(LDOPTS)
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# common rules
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$(OBJDIR)%.c.o:
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$(info CC $<)
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$(SILENT)$(call mkdir,$(dir $@))
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$(SILENT)$(CROSS)$(CC) $(ARCHFLAGS) $(GCCFLAGS) $(CFLAGS) -MMD -c -o $@ $<
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$(OBJDIR)%.cpp.o:
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$(info CXX $<)
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$(SILENT)$(call mkdir,$(dir $@))
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$(SILENT)$(CROSS)$(CXX) $(ARCHFLAGS) $(GCCFLAGS) $(CXXFLAGS) -MMD -c -o $@ $<
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# lib rules
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lib$(OUTPUT).a: $(TARGET_DIR)lib$(OUTPUT).a
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lib$(OUTPUT): $(TARGET_DIR)lib$(OUTPUT).a
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$(TARGET_DIR)lib$(OUTPUT).a: $(LIBOBJS) \
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$(addprefix $(OBJDIR),$(EXTRALIBOBJS))
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# rules to build a DLL. Only works for W32 as target (i.e. MinGW toolchain)
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dll: $(OUTPUT).dll
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$(OUTPUT).dll: $(TARGET_DIR)$(OUTPUT).dll
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$(TARGET_DIR)$(OUTPUT).dll: $(LIBOBJS) $(addprefix $(OBJDIR),$(EXTRALIBOBJS))
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$(info DLL $(notdir $@))
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$(SILENT)$(call mkdir,$(dir $@))
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$(SILENT)$(CROSS)$(CC) $(ARCHFLAGS) $(GCCFLAGS) -shared -o $@ $^ \
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-Wl,--output-def,$(TARGET_DIR)$(OUTPUT).def
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# create lib file from objects
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$(TARGET_DIR)lib$(OUTPUT).a: $(LIBOBJS) $(addprefix $(OBJDIR),$(EXTRALIBOBJS))
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$(info AR $(notdir $@))
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$(SILENT)$(call mkdir,$(dir $@))
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$(SILENT)$(call rm,$@)
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$(SILENT)$(CROSS)$(AR) rcs $@ $^
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clean:
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$(call rm, $(OBJS) $(OUTPUT) $(TARGET_DIR)lib$(OUTPUT)*.a $(OUTPUT).dmg)
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$(call rm, $(OUTPUT)-* i386 ppc $(OBJDIR))
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# extra tools
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BIN2C = $(TOP)/tools/bin2c
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$(BIN2C):
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$(MAKE) -C $(TOP)/tools
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# OS X specifics
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$(OUTPUT).dmg: $(OUTPUT)
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$(info DMG $@)
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$(SILENT)$(call mkdir,"$(OUTPUT)-$(APPVERSION)")
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$(SILENT)cp -p $(OUTPUT) "$(OUTPUT)-$(APPVERSION)"
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$(SILENT)hdiutil create -srcfolder "$(OUTPUT)-$(APPVERSION)" $@
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