mirror of
https://github.com/richfelker/musl-cross-make.git
synced 2025-03-12 18:16:59 +01:00
40005d3ff6
cross (or native) compilers meant to be run on a host different from the build environment can now be built by setting the HOST make variable on the command line or in config.mak. this requires (for building the target libraries) a cross toolchain for the same TARGET, but that can run on the build system, to be present already in the PATH. future enhancements may make it possible to automatically build and use the needed toolchain. leaving HOST blank produces a toolchain that runs on the build system (host==build in gcc jargon), the same as before with NATIVE unset. the NATIVE make variable is now obsolete but still supported; it simply causes HOST to be set equal to TARGET (thus producing a native toolchain for the target). builds are now placed in build/$(HOST)/$(TARGET) when HOST is set, and build/local/$(TARGET) when it's not, so that builds for the same target but different host do not clobber each other. default OUTPUT directory when HOST is set is now output-$(HOST). as usual, multiple targets can safely go in the same output directory, but toolchains for different hosts should not.
179 lines
5.0 KiB
Makefile
179 lines
5.0 KiB
Makefile
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SOURCES = sources
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CONFIG_SUB_REV = 3d5db9ebe860
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BINUTILS_VER = 2.27
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GCC_VER = 6.3.0
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MUSL_VER = 1.1.16
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GMP_VER = 6.1.1
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MPC_VER = 1.0.3
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MPFR_VER = 3.1.4
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LINUX_VER = 4.4.10
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GNU_SITE = https://ftp.gnu.org/pub/gnu
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GCC_SITE = $(GNU_SITE)/gcc
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BINUTILS_SITE = $(GNU_SITE)/binutils
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GMP_SITE = $(GNU_SITE)/gmp
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MPC_SITE = $(GNU_SITE)/mpc
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MPFR_SITE = $(GNU_SITE)/mpfr
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ISL_SITE = http://isl.gforge.inria.fr/
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MUSL_SITE = https://www.musl-libc.org/releases
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MUSL_REPO = git://git.musl-libc.org/musl
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LINUX_SITE = https://cdn.kernel.org/pub/linux/kernel
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DL_CMD = wget -c -O
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ifneq ($(NATIVE),)
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HOST := $(TARGET)
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endif
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ifneq ($(HOST),)
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BUILD_DIR = build/$(HOST)/$(TARGET)
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OUTPUT = $(CURDIR)/output-$(HOST)
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else
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BUILD_DIR = build/local/$(TARGET)
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OUTPUT = $(CURDIR)/output
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endif
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REL_TOP = ../../..
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-include config.mak
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SRC_DIRS = gcc-$(GCC_VER) binutils-$(BINUTILS_VER) musl-$(MUSL_VER) \
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$(if $(GMP_VER),gmp-$(GMP_VER)) \
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$(if $(MPC_VER),mpc-$(MPC_VER)) \
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$(if $(MPFR_VER),mpfr-$(MPFR_VER)) \
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$(if $(ISL_VER),isl-$(ISL_VER)) \
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$(if $(LINUX_VER),linux-$(LINUX_VER))
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all:
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clean:
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rm -rf gcc-* binutils-* musl-* gmp-* mpc-* mpfr-* isl-* build-* linux-*
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distclean: clean
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rm -rf sources
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# Rules for downloading and verifying sources. Treat an external SOURCES path as
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# immutable and do not try to download anything into it.
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ifeq ($(SOURCES),sources)
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/gmp*)): SITE = $(GMP_SITE)
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/mpc*)): SITE = $(MPC_SITE)
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/mpfr*)): SITE = $(MPFR_SITE)
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/isl*)): SITE = $(ISL_SITE)
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/binutils*)): SITE = $(BINUTILS_SITE)
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/gcc*)): SITE = $(GCC_SITE)/$(basename $(basename $(notdir $@)))
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/musl*)): SITE = $(MUSL_SITE)
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/linux-4*)): SITE = $(LINUX_SITE)/v4.x
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/linux-3*)): SITE = $(LINUX_SITE)/v3.x
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$(patsubst hashes/%.sha1,$(SOURCES)/%,$(wildcard hashes/linux-2.6*)): SITE = $(LINUX_SITE)/v2.6
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$(SOURCES):
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mkdir -p $@
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$(SOURCES)/config.sub: | $(SOURCES)
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mkdir -p $@.tmp
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cd $@.tmp && $(DL_CMD) $(notdir $@) "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=$(CONFIG_SUB_REV)"
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cd $@.tmp && touch $(notdir $@)
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cd $@.tmp && sha1sum -c $(CURDIR)/hashes/$(notdir $@).$(CONFIG_SUB_REV).sha1
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mv $@.tmp/$(notdir $@) $@
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rm -rf $@.tmp
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$(SOURCES)/%: hashes/%.sha1 | $(SOURCES)
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mkdir -p $@.tmp
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cd $@.tmp && $(DL_CMD) $(notdir $@) $(SITE)/$(notdir $@)
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cd $@.tmp && touch $(notdir $@)
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cd $@.tmp && sha1sum -c $(CURDIR)/hashes/$(notdir $@).sha1
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mv $@.tmp/$(notdir $@) $@
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rm -rf $@.tmp
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endif
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# Rules for extracting and patching sources, or checking them out from git.
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musl-git-%:
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rm -rf $@.tmp
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git clone -b $(patsubst musl-git-%,%,$@) $(MUSL_REPO) $@.tmp
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cd $@.tmp && git fsck
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mv $@.tmp $@
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%: $(SOURCES)/%.tar.gz | $(SOURCES)/config.sub
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rm -rf $@.tmp
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mkdir $@.tmp
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( cd $@.tmp && tar zxvf - ) < $<
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test ! -d patches/$@ || cat patches/$@/* | ( cd $@.tmp/$@ && patch -p1 )
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test ! -f $@.tmp/$@/config.sub || cp -f $(SOURCES)/config.sub $@.tmp/$@
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rm -rf $@
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touch $@.tmp/$@
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mv $@.tmp/$@ $@
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rm -rf $@.tmp
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%: $(SOURCES)/%.tar.bz2 | $(SOURCES)/config.sub
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rm -rf $@.tmp
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mkdir $@.tmp
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( cd $@.tmp && tar jxvf - ) < $<
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test ! -d patches/$@ || cat patches/$@/* | ( cd $@.tmp/$@ && patch -p1 )
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test ! -f $@.tmp/$@/config.sub || cp -f $(SOURCES)/config.sub $@.tmp/$@
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rm -rf $@
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touch $@.tmp/$@
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mv $@.tmp/$@ $@
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rm -rf $@.tmp
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%: $(SOURCES)/%.tar.xz | $(SOURCES)/config.sub
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rm -rf $@.tmp
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mkdir $@.tmp
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( cd $@.tmp && tar Jxvf - ) < $<
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test ! -d patches/$@ || cat patches/$@/* | ( cd $@.tmp/$@ && patch -p1 )
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test ! -f $@.tmp/$@/config.sub || cp -f $(SOURCES)/config.sub $@.tmp/$@
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rm -rf $@
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touch $@.tmp/$@
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mv $@.tmp/$@ $@
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rm -rf $@.tmp
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extract_all: | $(SRC_DIRS)
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# Rules for building.
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ifeq ($(TARGET),)
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all:
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@echo TARGET must be set via config.mak or command line.
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@exit 1
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else
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$(BUILD_DIR):
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mkdir -p $@
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$(BUILD_DIR)/Makefile: | $(BUILD_DIR)
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ln -sf $(REL_TOP)/litecross/Makefile $@
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$(BUILD_DIR)/config.mak: | $(BUILD_DIR)
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printf >$@ '%s\n' \
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"TARGET = $(TARGET)" \
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"HOST = $(HOST)" \
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"MUSL_SRCDIR = $(REL_TOP)/musl-$(MUSL_VER)" \
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"GCC_SRCDIR = $(REL_TOP)/gcc-$(GCC_VER)" \
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"BINUTILS_SRCDIR = $(REL_TOP)/binutils-$(BINUTILS_VER)" \
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$(if $(GMP_VER),"GMP_SRCDIR = $(REL_TOP)/gmp-$(GMP_VER)") \
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$(if $(MPC_VER),"MPC_SRCDIR = $(REL_TOP)/mpc-$(MPC_VER)") \
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$(if $(MPFR_VER),"MPFR_SRCDIR = $(REL_TOP)/mpfr-$(MPFR_VER)") \
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$(if $(ISL_VER),"ISL_SRCDIR = $(REL_TOP)/isl-$(ISL_VER)") \
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$(if $(LINUX_VER),"LINUX_SRCDIR = $(REL_TOP)/linux-$(LINUX_VER)") \
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"-include $(REL_TOP)/config.mak"
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all: | $(SRC_DIRS) $(BUILD_DIR) $(BUILD_DIR)/Makefile $(BUILD_DIR)/config.mak
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cd $(BUILD_DIR) && $(MAKE) $@
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install: | $(SRC_DIRS) $(BUILD_DIR) $(BUILD_DIR)/Makefile $(BUILD_DIR)/config.mak
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cd $(BUILD_DIR) && $(MAKE) OUTPUT=$(OUTPUT) $@
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endif
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