55 lines
1.3 KiB
Makefile
55 lines
1.3 KiB
Makefile
# Handle libgloss-htif dependency
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ifndef libgloss
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ifndef GCC
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$(error GCC is not defined)
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endif
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ifndef TARGET
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$(error TARGET is not defined)
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endif
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libgloss_specs := htif_nano.specs
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# Test whether libgloss-htif is globally installed and usable
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# Define BUILD_LIBGLOSS=1 to unconditionally force a local build
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BUILD_LIBGLOSS ?= $(shell { echo 'int main(void) { return 0; }' | \
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$(GCC) -xc -specs=$(libgloss_specs) -o /dev/null - 2> /dev/null ; } || \
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echo "$$?")
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ifneq ($(BUILD_LIBGLOSS),)
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$(info libgloss-htif: Using local build)
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libgloss_srcdir := ../toolchains/libgloss
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libgloss_builddir := libgloss
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libgloss_specs := $(libgloss_srcdir)/util/$(libgloss_specs)
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libgloss_lib := $(libgloss_builddir)/libgloss_htif.a
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libgloss := $(libgloss_lib) $(libgloss_specs) htif.ld
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LDFLAGS += -L libgloss
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$(libgloss_builddir)/Makefile: $(libgloss_srcdir)/configure
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mkdir -p $(dir $@)
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cd $(dir $@) && $(realpath $<) \
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--prefix=$(shell $(GCC) -print-sysroot) \
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--host=$(TARGET) \
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--disable-multilib
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$(libgloss_lib): $(libgloss_builddir)/Makefile
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$(MAKE) -C $(dir $^)
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.PHONY: libgloss
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libgloss: $(libgloss)
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else
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$(info libgloss-htif: Using global install)
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libgloss := # No additional prerequisites
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endif
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CFLAGS += -specs=$(libgloss_specs)
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LDFLAGS += -specs=$(libgloss_specs)
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endif # libgloss
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