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# __________ __ ___.
# Open \______ \ ____ ____ | | _\_ |__ _______ ___
# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
# \/ \/ \/ \/ \/
# libtools.make
#
# Common Makefile for tools used by Rockbox Utility.
# Provides rules for building as library, universal library (OS X) and
# standalone binary.
#
# LIBSOURCES is a list of files to build the lib
# SOURCES is a list of files to build for the main binary
# EXTRADEPS is a list of make targets dependencies
#
ifndef V
SILENT = @
endif
# Get directory this Makefile is in for relative paths.
TOP := $(dir $(lastword $(MAKEFILE_LIST)))
# overwrite for releases
APPVERSION ?= $(shell $(TOP)/../tools/version.sh $(TOP)/..)
CFLAGS += -DVERSION=\"$(APPVERSION)\"
TARGET_DIR ?= $(abspath .)/
NATIVECC ?= gcc
CC ?= gcc
CPPDEFINES := $(shell echo foo | $(CROSS)$(CC) -dM -E -)
# use POSIX/C99 printf on windows
CFLAGS += -D__USE_MINGW_ANSI_STDIO=1
BINARY = $(OUTPUT)
# when building a Windows binary add the correct file suffix
ifeq ($(findstring CYGWIN,$(CPPDEFINES)),CYGWIN)
BINARY = $(OUTPUT).exe
CFLAGS+=-mno-cygwin
COMPILETARGET = cygwin
else
ifeq ($(findstring MINGW,$(CPPDEFINES)),MINGW)
BINARY = $(OUTPUT).exe
COMPILETARGET = mingw
else
ifeq ($(findstring APPLE,$(CPPDEFINES)),APPLE)
COMPILETARGET = darwin
LDOPTS += $(LDOPTS_OSX)
else
COMPILETARGET = posix
endif
endif
endif
$(info Compiler creates $(COMPILETARGET) binaries)
# OS X specifics. Needs to consider cross compiling for Windows.
ifeq ($(findstring APPLE,$(CPPDEFINES)),APPLE)
# when building libs for OS X build for both i386 and ppc at the same time.
# This creates fat objects, and ar can only create the archive but not operate
# on it. As a result the ar call must NOT use the u (update) flag.
CFLAGS += -arch ppc -arch i386
# building against SDK 10.4 is not compatible with gcc-4.2 (default on newer Xcode)
# might need adjustment for older Xcode.
CC = gcc-4.0
CFLAGS += -isysroot /Developer/SDKs/MacOSX10.4u.sdk -mmacosx-version-min=10.4
NATIVECC = gcc-4.0
endif
WINDRES = windres
BUILD_DIR ?= $(TARGET_DIR)build$(COMPILETARGET)
OBJDIR = $(abspath $(BUILD_DIR)/$(RBARCH))/
ifdef RBARCH
CFLAGS += -arch $(RBARCH)
endif
all: $(BINARY)
OBJS := $(patsubst %.c,%.o,$(addprefix $(OBJDIR),$(notdir $(SOURCES))))
LIBOBJS := $(patsubst %.c,%.o,$(addprefix $(OBJDIR),$(notdir $(LIBSOURCES))))
# additional link dependencies for the standalone executable
# extra dependencies: libucl
LIBUCL = libucl$(RBARCH).a
$(LIBUCL): $(OBJDIR)$(LIBUCL)
$(OBJDIR)$(LIBUCL):
$(SILENT)$(MAKE) -C $(TOP)/../tools/ucl/src TARGET_DIR=$(OBJDIR) $@
# building the standalone executable
$(BINARY): $(OBJS) $(EXTRADEPS) $(addprefix $(OBJDIR),$(EXTRALIBOBJS))
@echo LD $@
# $(SILENT)mkdir -p $(dir $@)
# EXTRADEPS need to be built into OBJDIR.
$(SILENT)$(CROSS)$(CC) $(CFLAGS) $(LDOPTS) -o $(BINARY) \
$(OBJS) $(addprefix $(OBJDIR),$(EXTRADEPS)) \
$(addprefix $(OBJDIR),$(EXTRALIBOBJS))
# common rules
$(OBJDIR)%.o: %.c
@echo CC $<
$(SILENT)mkdir -p $(dir $@)
$(SILENT)$(CROSS)$(CC) $(CFLAGS) -c -o $@ $<
# lib rules
lib$(OUTPUT)$(RBARCH).a: $(TARGET_DIR)lib$(OUTPUT)$(RBARCH).a
lib$(OUTPUT)$(RBARCH): $(TARGET_DIR)lib$(OUTPUT)$(RBARCH).a
$(TARGET_DIR)lib$(OUTPUT)$(RBARCH).a: $(LIBOBJS) \
$(addprefix $(OBJDIR),$(EXTRALIBOBJS))
# rules to build a DLL. Only works for W32 as target (i.e. MinGW toolchain)
dll: $(OUTPUT).dll
$(OUTPUT).dll: $(TARGET_DIR)$(OUTPUT).dll
$(TARGET_DIR)$(OUTPUT).dll: $(LIBOBJS) $(addprefix $(OBJDIR),$(EXTRALIBOBJS))
@echo DLL $(notdir $@)
$(SILENT)mkdir -p $(dir $@)
$(SILENT)$(CROSS)$(CC) $(CFLAGS) -shared -o $@ $^ \
-Wl,--output-def,$(TARGET_DIR)$(OUTPUT).def
# create lib file from objects
$(TARGET_DIR)lib$(OUTPUT)$(RBARCH).a: $(LIBOBJS) $(addprefix $(OBJDIR),$(EXTRALIBOBJS))
@echo AR $(notdir $@)
$(SILENT)mkdir -p $(dir $@)
$(SILENT)$(AR) rcs $@ $^
clean:
rm -f $(OBJS) $(OUTPUT) $(TARGET_DIR)lib$(OUTPUT)*.a $(OUTPUT).dmg
rm -rf $(OUTPUT)-* i386 ppc $(OBJDIR)
# extra tools
BIN2C = $(TOP)/tools/bin2c
$(BIN2C):
$(MAKE) -C $(TOP)/tools
# OS X specifics
$(OUTPUT).dmg: $(OUTPUT)
@echo DMG $@
$(SILENT)mkdir -p $(OUTPUT)-dmg
$(SILENT)cp -p $(OUTPUT) $(OUTPUT)-dmg
$(SILENT)hdiutil create -srcfolder $(OUTPUT)-dmg $@
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