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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 :=
ifneq ($(findstring -arch ppc,$(CFLAGS)),)
ARCHES += ppc
endif
ifneq ($(findstring -arch i386,$(CFLAGS)),)
ARCHES += i386
endif
ifneq ($(findstring -arch x86_64,$(CFLAGS)),)
ARCHES += x86_64
endif
ifeq ($(strip $(ARCHES)),)
# Just build the one (default) architecture
$(LIBFFI):
@mkdir -p $(LIBFFI_BUILD_DIR)
@if [ ! -f $(LIBFFI_BUILD_DIR)/Makefile ]; then \
echo "Configuring libffi"; \
cd $(LIBFFI_BUILD_DIR) && \
/usr/bin/env CC="$(CC)" LD="$(LD)" CFLAGS="$(LIBFFI_CFLAGS)" \
/bin/sh $(LIBFFI_CONFIGURE) $(LIBFFI_HOST) > /dev/null; \
fi
cd $(LIBFFI_BUILD_DIR) && $(MAKE)
else
# 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)
$(LIBFFI):
@for arch in $(ARCHES); do $(call build_ffi,$$arch);done
# Assemble into a FAT (x86_64, i386, ppc) library
@mkdir -p $(BUILD_DIR)/libffi/.libs
/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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