64 lines
2.2 KiB
PHP
64 lines
2.2 KiB
PHP
PWD = $(shell pwd)
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NOUX_PKG_DIR = $(call select_from_ports,gcc)/src/noux-pkg/gcc
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NOUX_CONFIGURE_ARGS = --program-prefix=$(PROGRAM_PREFIX) \
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--target=$(GCC_TARGET) \
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--enable-languages=c,c++ \
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--disable-libgo \
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--disable-libssp \
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--disable-libquadmath \
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--disable-libffi \
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--enable-targets=all \
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--with-gnu-as \
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--with-gnu-ld \
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--disable-tls \
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--disable-threads \
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--disable-hosted-libstdcxx \
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--enable-shared \
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--enable-multiarch \
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--disable-sjlj-exceptions
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NOUX_ENV += host_configargs="$(HOST_CONFIG_ARGS)" \
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target_configargs="$(TARGET_CONFIG_ARGS)"
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NOUX_ENV += CC_FOR_TARGET=$(CC) CXX_FOR_TARGET=$(CXX) GCC_FOR_TARGET=$(CC) CPP_FOR_TARGET="$(CC) -E" \
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LD_FOR_TARGET=$(LD) AS_FOR_TARGET=$(AS) AR_FOR_TARGET=$(AR)
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# libgcc does not evaluate CPPFLAGS_FOR_TARGET, so everything is put into CFLAGS_FOR_TARGET here
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NOUX_ENV += CFLAGS_FOR_TARGET='-I$(BASE_DIR)/../../tool -DUSE_PT_GNU_EH_FRAME -Dinhibit_libc -fPIC'
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# libsupc++
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NOUX_ENV += CXXFLAGS_FOR_TARGET='-fPIC'
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NOUX_MAKE_ENV += MULTILIB_OPTIONS="m64/m32" MULTILIB_DIRNAMES="64 32"
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#
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# We link libraries to the final binaries using the 'LIBS' variable. But
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# unfortunately, the gcc build system has hardcoded some libs such as '-lc'.
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# To satisfy the linker, we provide dummy archives.
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#
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LIBS = gmp mpfr mpc
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NOUX_LDFLAGS += -L$(PWD)
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.SECONDARY: dummy_libs
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dummy_libs: libgmp.a libmpfr.a libmpc.a libc.a
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libgmp.a libmpfr.a libmpc.a libc.a:
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$(VERBOSE)$(AR) -rc $@
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Makefile: dummy_libs
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LIBS += libc libm libc_noux
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include $(REP_DIR)/mk/noux.mk
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#
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# We have to specify 'LINK_ITEMS' twice to resolve inter-library dependencies.
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# Unfortunately, the use of '--start-group' and '--end-group' does not suffice
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# in all cases because 'libtool' strips those arguments from the 'LIBS' variable.
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#
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NOUX_LIBS += -Wl,--start-group $(sort $(LINK_ITEMS)) $(sort $(LINK_ITEMS)) $(LIBGCC) -Wl,--end-group
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