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- OUTPUT = $(PWD)/output
- BINUTILS_SRCDIR = BINUTILS_SRCDIR_not_set
- GCC_SRCDIR = GCC_SRCDIR_not_set
- MUSL_SRCDIR = MUSL_SRCDIR_not_set
- COMMON_CONFIG = --enable-languages=c,c++
- GCC_CONFIG = $(COMMON_CONFIG)
- TOOLCHAIN_CONFIG = $(GCC_CONFIG)
- XGCC_DIR = ../obj_toolchain/gcc
- XGCC = $(XGCC_DIR)/xgcc -B $(XGCC_DIR)
- ifneq ($(findstring fdpic,$(TARGET)),)
- GCC_CONFIG += --enable-fdpic
- endif
- ifneq ($(filter x86_64%x32,$(TARGET)),)
- GCC_CONFIG += --with-abi=x32
- endif
- ifneq ($(findstring mips64,$(TARGET))$(findstring mipsisa64,$(TARGET)),)
- ifneq ($(findstring n32,$(TARGET)),)
- GCC_CONFIG += --with-abi=n32
- else
- GCC_CONFIG += --with-abi=64
- endif
- endif
- ifneq ($(filter %sf,$(TARGET)),)
- GCC_CONFIG += --with-float=soft
- endif
- ifneq ($(filter %hf,$(TARGET)),)
- GCC_CONFIG += --with-float=hard
- endif
- -include config.mak
- MAKE += MULTILIB_OSDIRNAMES=
- MAKE += INFO_DEPS= infodir=
- MAKE += ac_cv_prog_lex_root=lex.yy.c
- FULL_TOOLCHAIN_CONFIG = $(TOOLCHAIN_CONFIG) \
- --disable-werror \
- --target=$(TARGET) --prefix= \
- --libdir=/lib --disable-multilib \
- --with-sysroot=$(SYSROOT) \
- --with-build-sysroot='$$(LC_ROOT)/obj_sysroot' \
- --enable-tls \
- --disable-libmudflap --disable-libsanitizer \
- --disable-gnu-indirect-function \
- --disable-libmpx \
- --enable-libstdcxx-time
- FULL_MUSL_CONFIG = $(MUSL_CONFIG) \
- --prefix= --host=$(TARGET)
- ifeq ($(NATIVE),)
- SYSROOT = /$(TARGET)
- FULL_MUSL_CONFIG += CC="$(XGCC)" LIBCC="../obj_toolchain/$(TARGET)/libgcc/libgcc.a"
- MUSL_VARS = AR=../obj_toolchain/binutils/ar RANLIB=../obj_toolchain/binutils/ranlib
- obj_musl/.lc_built: | obj_toolchain/$(TARGET)/libgcc/libgcc.a
- obj_toolchain/.lc_built: | obj_sysroot/.lc_libs
- else
- SYSROOT = /
- FULL_TOOLCHAIN_CONFIG += --host=$(TARGET)
- MUSL_VARS =
- endif
- ifeq ($(TARGET),)
- all:
- @echo TARGET must be set.
- @exit 1
- install: all
- else
- all: musl toolchain
- install: install-musl install-toolchain
- musl: obj_musl/.lc_built
- toolchain: obj_toolchain/.lc_built
- .PHONY: all musl toolchain install-musl install-toolchain clean
- src_binutils: | $(BINUTILS_SRCDIR)
- ln -sf $(BINUTILS_SRCDIR) $@
- src_gcc: | $(GCC_SRCDIR)
- ln -sf $(GCC_SRCDIR) $@
- src_musl: | $(MUSL_SRCDIR)
- ln -sf $(MUSL_SRCDIR) $@
- ifneq ($(GMP_SRCDIR),)
- src_toolchain: src_gmp
- src_gmp: | $(GMP_SRCDIR)
- ln -sf "$(GMP_SRCDIR)" $@
- endif
- ifneq ($(MPC_SRCDIR),)
- src_toolchain: src_mpc
- src_mpc: | $(MPC_SRCDIR)
- ln -sf "$(MPC_SRCDIR)" $@
- endif
- ifneq ($(MPFR_SRCDIR),)
- src_toolchain: src_mpfr
- src_mpfr: | $(MPFR_SRCDIR)
- ln -sf "$(MPFR_SRCDIR)" $@
- endif
- ifneq ($(ISL_SRCDIR),)
- src_toolchain: src_isl
- src_isl: | $(ISL_SRCDIR)
- ln -sf "$(ISL_SRCDIR)" $@
- endif
- src_toolchain: src_binutils src_gcc
- rm -rf $@ $@.tmp
- mkdir $@.tmp
- cd $@.tmp && ln -sf ../src_binutils/* .
- cd $@.tmp && ln -sf ../src_gcc/* .
- $(if $(GMP_SRCDIR),cd $@.tmp && ln -sf ../src_gmp gmp)
- $(if $(MPC_SRCDIR),cd $@.tmp && ln -sf ../src_mpc mpc)
- $(if $(MPFR_SRCDIR),cd $@.tmp && ln -sf ../src_mpfr mpfr)
- $(if $(ISL_SRCDIR),cd $@.tmp && ln -sf ../src_isl isl)
- mv $@.tmp $@
- obj_%:
- mkdir -p $@
- obj_sysroot/include:
- mkdir -p $@
- obj_sysroot/usr: | obj_sysroot
- ln -sf . $@
- obj_sysroot/lib64: | obj_sysroot
- ln -sf lib $@
- obj_toolchain/.lc_configured: | obj_toolchain src_toolchain
- cd obj_toolchain && ../src_toolchain/configure $(FULL_TOOLCHAIN_CONFIG)
- touch $@
- obj_toolchain/gcc/.lc_built: | obj_toolchain/.lc_configured obj_sysroot/usr obj_sysroot/lib64 obj_sysroot/include
- cd obj_toolchain && $(MAKE) MAKE="$(MAKE)" LC_ROOT=$(PWD) all-gcc
- touch $@
- obj_musl/.lc_configured: | obj_toolchain/gcc/.lc_built obj_musl src_musl
- cd obj_musl && ../src_musl/configure $(FULL_MUSL_CONFIG)
- touch $@
- obj_sysroot/.lc_headers: | obj_musl/.lc_configured obj_sysroot
- cd obj_musl && $(MAKE) DESTDIR=$(PWD)/obj_sysroot install-headers
- touch $@
- obj_toolchain/$(TARGET)/libgcc/.lc_configured: | obj_sysroot/.lc_headers
- cd obj_toolchain && $(MAKE) MAKE="$(MAKE)" LC_ROOT=$(PWD) configure-target-libgcc
- touch $@
- obj_toolchain/$(TARGET)/libgcc/libgcc.a: | obj_toolchain/$(TARGET)/libgcc/.lc_configured
- cd $(dir $@) && $(MAKE) MAKE="$(MAKE)" LC_ROOT=$(PWD) libgcc.a
- obj_musl/.lc_built: | obj_musl/.lc_configured
- cd obj_musl && $(MAKE) $(MUSL_VARS)
- touch $@
- obj_sysroot/.lc_libs: | obj_musl/.lc_built
- cd obj_musl && $(MAKE) $(MUSL_VARS) DESTDIR=$(PWD)/obj_sysroot install
- touch $@
- obj_toolchain/.lc_built: | obj_toolchain/.lc_configured obj_sysroot/.lc_headers
- cd obj_toolchain && $(MAKE) MAKE="$(MAKE)" LC_ROOT=$(PWD)
- touch $@
- install-musl: | obj_musl/.lc_built
- cd obj_musl && $(MAKE) $(MUSL_VARS) DESTDIR=$(DESTDIR)$(OUTPUT)$(SYSROOT) install
- install-toolchain: | obj_toolchain/.lc_built
- cd obj_toolchain && $(MAKE) MAKE="$(MAKE)" LC_ROOT=$(PWD) DESTDIR=$(DESTDIR)$(OUTPUT) install
- ln -sf $(TARGET)-gcc $(DESTDIR)$(OUTPUT)/bin/$(TARGET)-cc
- ifneq ($(LINUX_SRCDIR),)
- TARGET_ARCH = $(firstword $(subst -, ,$(TARGET)))
- TARGET_ARCH_MANGLED = $(patsubst i%86,x86,$(patsubst aarch64%,arm64%,$(TARGET_ARCH)))
- LINUX_ARCH_LIST = $(sort $(notdir $(wildcard $(LINUX_SRCDIR)/arch/*)))
- LINUX_ARCH = $(firstword $(foreach a,$(LINUX_ARCH_LIST),$(findstring $(a),$(TARGET_ARCH_MANGLED))))
- ifneq ($(LINUX_ARCH),)
- all: kernel-headers
- install: install-kernel-headers
- kernel-headers: | obj_kernel_headers/.lc_built
- src_kernel_headers: | $(LINUX_SRCDIR)
- ln -sf "$(LINUX_SRCDIR)" $@
- obj_kernel_headers/.lc_built: | src_kernel_headers
- mkdir -p $(PWD)/obj_kernel_headers/staged
- cd src_kernel_headers && $(MAKE) ARCH=$(LINUX_ARCH) O=$(PWD)/obj_kernel_headers INSTALL_HDR_PATH=$(PWD)/obj_kernel_headers/staged headers_install
- touch $@
- install-kernel-headers: | obj_kernel_headers/.lc_built
- mkdir -p $(DESTDIR)$(OUTPUT)$(SYSROOT)/include
- cp -R obj_kernel_headers/staged/include/* $(DESTDIR)$(OUTPUT)$(SYSROOT)/include
- endif
- endif
- endif
- clean:
- rm -rf src_* obj_*
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