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# -*- makefile -*-
include ${srcdir}/libffi.gnu.mk
CCACHE := $(shell type -p ccache)
BUILD_DIR := $(shell pwd)
INCFLAGS += -I"$(BUILD_DIR)"
# Work out which arches we need to compile the lib for
ARCHES :=
ARCHFLAGS ?= $(filter -arch %, $(CFLAGS))
ifneq ($(findstring -arch ppc,$(ARCHFLAGS)),)
ARCHES += ppc
endif
ifneq ($(findstring -arch i386,$(ARCHFLAGS)),)
ARCHES += i386
endif
ifneq ($(findstring -arch x86_64,$(ARCHFLAGS)),)
ARCHES += x86_64
endif
ifeq ($(strip $(ARCHES)),)
LIBFFI_BUILD_DIR = $(BUILD_DIR)/libffi-$(arch)
# Just build the one (default) architecture
$(LIBFFI):
@mkdir -p "$(LIBFFI_BUILD_DIR)" "$(@D)"
@if [ ! -f "$(LIBFFI_BUILD_DIR)"/Makefile ]; then \
echo "Configuring libffi"; \
cd "$(LIBFFI_BUILD_DIR)" && \
/usr/bin/env CC="$(CC)" LD="$(LD)" CFLAGS="$(LIBFFI_CFLAGS)" GREP_OPTIONS="" \
/bin/sh $(LIBFFI_CONFIGURE) $(LIBFFI_HOST) > /dev/null; \
fi
cd "$(LIBFFI_BUILD_DIR)" && $(MAKE)
else
LIBTARGETS = $(foreach arch,$(ARCHES),"$(BUILD_DIR)"/libffi-$(arch)/.libs/libffi_convenience.a)
# Build a fat binary and assemble
build_ffi = \
mkdir -p "$(BUILD_DIR)"/libffi-$(1); \
(if [ ! -f "$(BUILD_DIR)"/libffi-$(1)/Makefile ]; then \
echo "Configuring libffi for $(1)"; \
cd "$(BUILD_DIR)"/libffi-$(1) && \
env CC="$(CCACHE) $(CC)" CFLAGS="-arch $(1) $(LIBFFI_CFLAGS)" LDFLAGS="-arch $(1)" \
$(LIBFFI_CONFIGURE) --host=$(1)-apple-darwin > /dev/null; \
fi); \
env MACOSX_DEPLOYMENT_TARGET=10.4 $(MAKE) -C "$(BUILD_DIR)"/libffi-$(1)
target_ffi = "$(BUILD_DIR)"/libffi-$(1)/.libs/libffi_convenience.a:; $(call build_ffi,$(1))
# Work out which arches we need to compile the lib for
ifneq ($(findstring ppc,$(ARCHES)),)
$(call target_ffi,ppc)
endif
ifneq ($(findstring i386,$(ARCHES)),)
$(call target_ffi,i386)
endif
ifneq ($(findstring x86_64,$(ARCHES)),)
$(call target_ffi,x86_64)
endif
$(LIBFFI): $(LIBTARGETS)
# Assemble into a FAT (x86_64, i386, ppc) library
@mkdir -p "$(@D)"
/usr/bin/libtool -static -o $@ \
$(foreach arch, $(ARCHES),"$(BUILD_DIR)"/libffi-$(arch)/.libs/libffi_convenience.a)
@mkdir -p "$(LIBFFI_BUILD_DIR)"/include
$(RM) "$(LIBFFI_BUILD_DIR)"/include/ffi.h
@( \
printf "#if defined(__i386__)\n"; \
printf "#include \"libffi-i386/include/ffi.h\"\n"; \
printf "#elif defined(__x86_64__)\n"; \
printf "#include \"libffi-x86_64/include/ffi.h\"\n";\
printf "#elif defined(__ppc__)\n"; \
printf "#include \"libffi-ppc/include/ffi.h\"\n";\
printf "#endif\n";\
) > "$(LIBFFI_BUILD_DIR)"/include/ffi.h
@( \
printf "#if defined(__i386__)\n"; \
printf "#include \"libffi-i386/include/ffitarget.h\"\n"; \
printf "#elif defined(__x86_64__)\n"; \
printf "#include \"libffi-x86_64/include/ffitarget.h\"\n";\
printf "#elif defined(__ppc__)\n"; \
printf "#include \"libffi-ppc/include/ffitarget.h\"\n";\
printf "#endif\n";\
) > "$(LIBFFI_BUILD_DIR)"/include/ffitarget.h
endif
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