115 lines
4.4 KiB
Makefile
115 lines
4.4 KiB
Makefile
# The default target
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.PHONY: all
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all:
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BINDIR := bin
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OBJDIR := obj
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SRCDIR := src
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UBUNTU ?= x86_64-linux-gnu
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WINDOWS ?= i686-w64-mingw32
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# FIXME: Detect the native platform
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NATIVE ?= $(UBUNTU)
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OBJ_NATIVE := $(OBJDIR)/$(NATIVE)
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OBJ_UBUNTU := $(OBJDIR)/$(UBUNTU)
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OBJ_WIN64 := $(OBJDIR)/$(WINDOWS)
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SRC_RGT := $(SRCDIR)/riscv-gnu-toolchain
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SRC_EXPAT := $(SRCDIR)/libexpat/expat
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SRC_ZLIB := $(SRCDIR)/zlib
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# The version that will be appended to the various tool builds.
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VERSION ?= $(shell cd $(SRC_RGT); git describe --tags | sed s/^v//g)
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# The actual output of this repository is a set of tarballs.
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.PHONY: windows
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windows: $(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-$(WINDOWS).zip
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windows: $(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-$(WINDOWS).tar.gz
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windows: $(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-$(WINDOWS).src.tar.gz
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.PHONY: ubuntu
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ubuntu: $(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-$(UBUNTU).tar.gz
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ubuntu: $(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-$(UBUNTU).src.tar.gz
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# FIXME: Check to see if the Windows tools should be built based on the
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# presence of the Windows cross compiler.
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all: windows
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all: ubuntu
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# Some special riscv-gnu-toolchain configure flags for specific targets.
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x86_64-linux-gnu-rgt-configue :=
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i686-w64-mingw32-rgt-configure := --without-system-zlib
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# There's enough % rules that make starts blowing intermediate files away.
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.SECONDARY:
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# Builds riscv-gnu-toolchain for various targets.
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$(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-%.zip: \
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$(OBJDIR)/%/stamps/riscv-gnu-toolchain/install.stamp
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$(eval $@_TARGET := $(patsubst $(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-%.zip,%,$@))
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mkdir -p $(dir $@)
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cd $(OBJDIR)/$($@_TARGET)/install; zip -r $(abspath $@) riscv64-unknown-elf-gcc-$(VERSION)-$($@_TARGET)
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$(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-%.tar.gz: \
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$(OBJDIR)/%/stamps/riscv-gnu-toolchain/install.stamp
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$(eval $@_TARGET := $(patsubst $(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-%.tar.gz,%,$@))
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mkdir -p $(dir $@)
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tar -C $(OBJDIR)/$($@_TARGET)/install -c riscv64-unknown-elf-gcc-$(VERSION)-$($@_TARGET) | gzip > $(abspath $@)
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$(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-%.src.tar.gz: \
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$(OBJDIR)/%/stamps/riscv-gnu-toolchain/install.stamp
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$(eval $@_TARGET := $(patsubst $(BINDIR)/riscv64-unknown-elf-gcc-$(VERSION)-%.src.tar.gz,%,$@))
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mkdir -p $(dir $@)
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tar -C $(OBJDIR)/$($@_TARGET)/build -c . | gzip > $(abspath $@)
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$(OBJDIR)/%/stamps/riscv-gnu-toolchain/install.stamp: \
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$(OBJDIR)/%/stamps/expat/install.stamp \
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$(OBJDIR)/%/build/riscv-gnu-toolchain/stamp
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$(eval $@_TARGET := $(patsubst $(OBJDIR)/%/stamps/riscv-gnu-toolchain/install.stamp,%,$@))
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$(eval $@_BUILD := $(patsubst %/stamps/riscv-gnu-toolchain/install.stamp,%/build/riscv-gnu-toolchain,$@))
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$(eval $@_INSTALL := $(patsubst %/stamps/riscv-gnu-toolchain/install.stamp,%/install/riscv64-unknown-elf-gcc-$(VERSION)-$($@_TARGET),$@))
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mkdir -p $($@_BUILD)
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cd $($@_BUILD); ./configure --prefix=$(abspath $($@_INSTALL)) --with-host=$($@_TARGET) $($($@_TARGET)-rgt-configure) --enable-multilib
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$(MAKE) PATH="$(abspath $(OBJ_NATIVE)/install/riscv64-unknown-elf-gcc-$(VERSION)-$(NATIVE)/bin:$(PATH))" -C $($@_BUILD)
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mkdir -p $(dir $@)
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date > $@
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$(OBJDIR)/%/build/riscv-gnu-toolchain/stamp:
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rm -rf $(dir $@)
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mkdir -p $(dir $@)
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cp -r $(SRC_RGT)/* $(dir $@)
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cd $(dir $@)/riscv-gcc; ./contrib/download_prerequisites
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date > $@
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# The Windows build requires the native toolchain. The dependency is enforced
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# here, PATH allows the tools to get access.
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$(OBJ_WIN64)/stamps/riscv-gnu-toolchain/install.stamp: \
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$(OBJ_NATIVE)/stamps/riscv-gnu-toolchain/install.stamp
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# OpenOCD requires a GDB that's been build with expat support so it can read
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# the target XML files.
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$(OBJDIR)/%/stamps/expat/install.stamp: \
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$(OBJDIR)/%/build/expat/configure
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$(eval $@_TARGET := $(patsubst $(OBJDIR)/%/stamps/expat/install.stamp,%,$@))
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$(eval $@_BUILD := $(patsubst %/stamps/expat/install.stamp,%/build/expat,$@))
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$(eval $@_INSTALL := $(patsubst %/stamps/expat/install.stamp,%/install,$@))
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mkdir -p $($@_BUILD)
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cd $($@_BUILD); ./configure --prefix=$(abspath $($@_INSTALL)) --host=$($@_TARGET)
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$(MAKE) -C $($@_BUILD) buildlib
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$(MAKE) -C $($@_BUILD) installlib
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mkdir -p $(dir $@)
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date > $@
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$(OBJDIR)/%/build/expat/configure:
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rm -rf $(dir $@)
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mkdir -p $(dir $@)
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cp -r $(SRC_EXPAT)/* $(dir $@)
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cd $(dir $@); ./buildconf.sh
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touch -c $@
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# Targets that don't build anything
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.PHONY: clean
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clean::
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rm -rf $(OBJDIR) $(BINDIR)
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