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# Copyright (c) 2013, 2024, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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##########################################################################################
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# Workhorse makefile for creating ONE cross compiler
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# Needs either to be from BUILD -> BUILD OR have
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# BUILD -> HOST prebuilt
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# NOTE: There is a bug here. We don't limit the
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# PATH when building BUILD -> BUILD, which means that
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# if you configure after you've once build the BUILD->BUILD
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# compiler THAT one will be picked up as the compiler for itself.
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# This is not so great, especially if you did a partial delete
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$(info TARGET=$(TARGET))
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ARCH := $(word 1,$(subst -, ,$(TARGET)))
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ifeq ($(TARGET), arm-linux-gnueabihf)
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KERNEL_HEADERS_RPM := kernel-headers
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ifeq ($(ARCH), aarch64)
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BASE_URL := https://yum.oracle.com/repo/OracleLinux/OL7/6/base/$(ARCH)/
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LINUX_VERSION := OL7.6
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KERNEL_HEADERS_RPM := kernel-uek-headers
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BASE_URL := https://yum.oracle.com/repo/OracleLinux/OL6/4/base/$(ARCH)/
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LINUX_VERSION := OL6.4
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else ifeq ($(BASE_OS), Fedora)
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ifeq ($(ARCH), riscv64)
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DEFAULT_OS_VERSION := rawhide/68692
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ifeq ($(BASE_OS_VERSION), )
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BASE_OS_VERSION := $(DEFAULT_OS_VERSION)
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BASE_URL := http://fedora.riscv.rocks/repos-dist/$(BASE_OS_VERSION)/$(ARCH)/Packages/
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DEFAULT_OS_VERSION := 27
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LATEST_ARCHIVED_OS_VERSION := 35
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ifeq ($(BASE_OS_VERSION), )
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BASE_OS_VERSION := $(DEFAULT_OS_VERSION)
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ifeq ($(filter x86_64 armhfp, $(ARCH)), )
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FEDORA_TYPE := fedora-secondary
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FEDORA_TYPE := fedora/linux
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NOT_ARCHIVED := $(shell [ $(BASE_OS_VERSION) -gt $(LATEST_ARCHIVED_OS_VERSION) ] && echo true)
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ifeq ($(NOT_ARCHIVED),true)
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BASE_URL := https://dl.fedoraproject.org/pub/$(FEDORA_TYPE)/releases/$(BASE_OS_VERSION)/Everything/$(ARCH)/os/Packages/
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BASE_URL := https://archives.fedoraproject.org/pub/archive/$(FEDORA_TYPE)/releases/$(BASE_OS_VERSION)/Everything/$(ARCH)/os/Packages/
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LINUX_VERSION := Fedora_$(BASE_OS_VERSION)
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$(error Unknown base OS $(BASE_OS))
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##########################################################################################
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# Define external dependencies
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# Latest that could be made to work.
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ifeq ($(GCC_VER), 13.2.0)
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gcc_ver := gcc-13.2.0
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binutils_ver := binutils-2.41
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ccache_ver := ccache-3.7.12
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mpfr_ver := mpfr-4.2.0
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REQUIRED_MIN_MAKE_MAJOR_VERSION := 4
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else ifeq ($(GCC_VER), 11.3.0)
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gcc_ver := gcc-11.3.0
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binutils_ver := binutils-2.39
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ccache_ver := ccache-3.7.12
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mpfr_ver := mpfr-4.1.1
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REQUIRED_MIN_MAKE_MAJOR_VERSION := 4
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else ifeq ($(GCC_VER), 11.2.0)
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gcc_ver := gcc-11.2.0
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binutils_ver := binutils-2.37
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ccache_ver := ccache-3.7.12
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mpfr_ver := mpfr-4.1.0
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REQUIRED_MIN_MAKE_MAJOR_VERSION := 4
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else ifeq ($(GCC_VER), 10.3.0)
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gcc_ver := gcc-10.3.0
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binutils_ver := binutils-2.36.1
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ccache_ver := ccache-3.7.11
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mpfr_ver := mpfr-4.1.0
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REQUIRED_MIN_MAKE_MAJOR_VERSION := 4
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else ifeq ($(GCC_VER), 10.2.0)
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gcc_ver := gcc-10.2.0
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binutils_ver := binutils-2.35
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ccache_ver := ccache-3.7.11
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mpfr_ver := mpfr-4.1.0
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REQUIRED_MIN_MAKE_MAJOR_VERSION := 4
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else ifeq ($(GCC_VER), 9.2.0)
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binutils_ver := binutils-2.34
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ccache_ver := ccache-3.7.3
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mpfr_ver := mpfr-3.1.5
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else ifeq ($(GCC_VER), 8.3.0)
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binutils_ver := binutils-2.32
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ccache_ver := ccache-3.7.3
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mpfr_ver := mpfr-3.1.5
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else ifeq ($(GCC_VER), 7.3.0)
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binutils_ver := binutils-2.30
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ccache_ver := ccache-3.3.6
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mpfr_ver := mpfr-3.1.5
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else ifeq ($(GCC_VER), 4.9.2)
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binutils_ver := binutils-2.25
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ccache_ver := ccache-3.2.1
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mpfr_ver := mpfr-3.0.1
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gdb_ver := gdb-7.12.1
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$(error Unsupported GCC version)
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ifneq ($(REQUIRED_MIN_MAKE_MAJOR_VERSION),)
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MAKE_MAJOR_VERSION := $(word 1,$(subst ., ,$(MAKE_VERSION)))
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SUPPORTED_MAKE_VERSION := $(shell [ $(MAKE_MAJOR_VERSION) -ge $(REQUIRED_MIN_MAKE_MAJOR_VERSION) ] && echo true)
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ifneq ($(SUPPORTED_MAKE_VERSION),true)
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$(error "Make v$(MAKE_VERSION) is too old, must use v$(REQUIRED_MIN_MAKE_MAJOR_VERSION) or above")
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ccache_ver_only := $(patsubst ccache-%,%,$(ccache_ver))
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GCC := http://ftp.gnu.org/pub/gnu/gcc/$(gcc_ver)/$(gcc_ver).tar.xz
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BINUTILS := http://ftp.gnu.org/pub/gnu/binutils/$(binutils_ver).tar.gz
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CCACHE := https://github.com/ccache/ccache/releases/download/v$(ccache_ver_only)/$(ccache_ver).tar.xz
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MPFR := https://www.mpfr.org/${mpfr_ver}/${mpfr_ver}.tar.bz2196
GMP := http://ftp.gnu.org/pub/gnu/gmp/${gmp_ver}.tar.bz2197
MPC := http://ftp.gnu.org/pub/gnu/mpc/${mpc_ver}.tar.gz198
GDB := http://ftp.gnu.org/gnu/gdb/${gdb_ver}.tar.xz200
# RPMs used by all BASE_OS
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$(KERNEL_HEADERS_RPM) \
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glibc glibc-headers glibc-devel \
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cups-libs cups-devel \
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libX11 libX11-devel \
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xorg-x11-proto-devel \
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alsa-lib alsa-lib-devel \
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libXext libXext-devel \
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libXtst libXtst-devel \
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libXrender libXrender-devel \
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libXrandr libXrandr-devel \
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freetype freetype-devel \
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libICE libICE-devel \
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libXdmcp libXdmcp-devel \
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libXau libXau-devel \
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libffi libffi-devel \
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fontconfig fontconfig-devel \
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systemtap-sdt-devel \
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##########################################################################################
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# Define common directories and files
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# Ensure we have 32-bit libs also for x64. We enable mixed-mode.
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BUILDDIR := $(OUTPUT_ROOT)/$(HOST)/$(TARGET)
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TARGETDIR := $(PREFIX)/$(TARGET)
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SYSROOT := $(TARGETDIR)/sysroot
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DOWNLOAD := $(OUTPUT_ROOT)/download
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DOWNLOAD_RPMS := $(DOWNLOAD)/rpms/$(TARGET)-$(LINUX_VERSION)
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SRCDIR := $(OUTPUT_ROOT)/src
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# Marker file for unpacking rpms
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rpms := $(SYSROOT)/rpms_unpacked
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# Need to patch libs that are linker scripts to use non-absolute paths
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libs := $(SYSROOT)/libs_patched
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################################################################################
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mkdir -p $(DOWNLOAD_RPMS)
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# Only run this if rpm dir is empty.
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ifeq ($(wildcard $(DOWNLOAD_RPMS)/*.rpm), )
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cd $(DOWNLOAD_RPMS) && \
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wget -r -np -nd $(patsubst %, -A "*%*.rpm", $(RPM_LIST)) $(BASE_URL)
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##########################################################################################
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# Unpack source packages
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# Generate downloading + unpacking of sources.
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$(1)_DIRNAME ?= $(basename $(basename $(notdir $($(1)))))
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$(1)_DIR = $(abspath $(SRCDIR)/$$($(1)_DIRNAME))
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$(1)_CFG = $$($(1)_DIR)/configure
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$(1)_FILE = $(DOWNLOAD)/$(notdir $($(1)))
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$$($(1)_CFG) : $$($(1)_FILE)
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tar -C $$(SRCDIR) -xf $$<
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$$(foreach p,$$(abspath $$(wildcard patches/$$(ARCH)-$$(notdir $$($(1)_DIR)).patch)), \
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echo PATCHING $$(p) ; \
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patch -d $$($(1)_DIR) -p1 -i $$(p) ; \
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wget -P $(DOWNLOAD) $$($(1))
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# Download and unpack all source packages
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$(foreach p,GCC BINUTILS CCACHE MPFR GMP MPC GDB,$(eval $(call Download,$(p))))
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##########################################################################################
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RPM_ARCHS := $(ARCH) noarch
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RPM_ARCHS += i386 i686
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else ifeq ($(ARCH),i686)
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else ifeq ($(ARCH), armhfp)
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RPM_FILE_LIST := $(sort $(foreach a, $(RPM_ARCHS), \
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$(wildcard $(patsubst %,$(DOWNLOAD_RPMS)/%*$a.rpm,$(RPM_LIST))) \
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# Note. For building linux you should install rpm2cpio.
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$(SYSROOT)/$(notdir $(1)).unpacked : $(1)
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$$(rpms) : $(SYSROOT)/$(notdir $(1)).unpacked
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$(info Unpacking target rpms and libraries from $<)
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cpio --extract --make-directories \
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"./usr/share/doc/*" \
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"./usr/share/man/*" \
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"./usr/X11R6/man/*" \
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$(foreach p,$(RPM_FILE_LIST),$(eval $(call unrpm,$(p))))
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##########################################################################################
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# Note: MUST create a <sysroot>/usr/lib even if not really needed.
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# gcc will use a path relative to it to resolve lib64. (x86_64).
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# we're creating multi-lib compiler with 32bit libc as well, so we should
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# have it anyway, but just to make sure...
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# Patch libc.so and libpthread.so to force linking against libraries in sysroot
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# and not the ones installed on the build machine.
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@echo Patching libc and pthreads
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@(for f in `find $(SYSROOT) -name libc.so -o -name libpthread.so`; do \
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(cat $$f | sed -e 's|/usr/lib64/||g' \
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-e 's|/usr/lib/||g' \
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-e 's|/lib/||g' ) > $$f.tmp ; \
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@mkdir -p $(SYSROOT)/usr/lib
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##########################################################################################
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# Create links for ffi header files so that they become visible by default when using the
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ifeq ($(ARCH), x86_64)
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$(SYSROOT)/usr/include/ffi.h: $(rpms)
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cd $(@D) && rm -f $(@F) && ln -s ../lib/libffi-*/include/$(@F) .
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$(SYSROOT)/usr/include/ffitarget.h: $(rpms)
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cd $(@D) && rm -f $(@F) && ln -s ../lib/libffi-*/include/$(@F) .
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SYSROOT_LINKS += $(SYSROOT)/usr/include/ffi.h $(SYSROOT)/usr/include/ffitarget.h
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##########################################################################################
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# Define marker files for each source package to be compiled
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$(foreach t,binutils mpfr gmp mpc gcc ccache gdb,$(eval $(t) = $(TARGETDIR)/$($(t)_ver).done))
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##########################################################################################
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CONFIG = --target=$(TARGET) \
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--host=$(HOST) --build=$(BUILD) \
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PATHEXT = $(PREFIX)/bin:
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PATHPRE = PATH=$(PATHEXT)$(PATH)
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NUM_CORES := $(shell cat /proc/cpuinfo | grep -c processor)
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BUILDPAR = -j$(NUM_CORES)
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# Default commands to when making
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declare_tools = CC$(1)=$(2)gcc LD$(1)=$(2)ld AR$(1)=$(2)ar AS$(1)=$(2)as RANLIB$(1)=$(2)ranlib CXX$(1)=$(2)g++ OBJDUMP$(1)=$(2)objdump
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ifeq ($(HOST),$(BUILD))
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ifeq ($(HOST),$(TARGET))
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TOOLS = $(call declare_tools,_FOR_TARGET,)
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TOOLS ?= $(call declare_tools,_FOR_TARGET,$(TARGET)-)
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##########################################################################################
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# Create a TARGET bfd + libiberty only.
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# Configure one or two times depending on mulitlib arch.
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# If multilib, the second should be 32-bit, and we resolve
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# CFLAG_<name> to most likely -m32.
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$$(info Libs for $(1))
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$$(BUILDDIR)/$$(binutils_ver)-$(subst /,-,$(1))/Makefile \
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: CFLAGS += $$(CFLAGS_$(1))
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$$(BUILDDIR)/$$(binutils_ver)-$(subst /,-,$(1))/Makefile \
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: LIBDIRS = --libdir=$(TARGETDIR)/$(1)
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bfdlib += $$(TARGETDIR)/$$(binutils_ver)-$(subst /,-,$(1)).done
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bfdmakes += $$(BUILDDIR)/$$(binutils_ver)-$(subst /,-,$(1))/Makefile
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# Create one set of bfds etc for each multilib arch
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$(foreach l,$(LIBDIRS),$(eval $(call mk_bfd,$(l))))
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# Only build these two libs.
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$(bfdlib) : MAKECMD = all-libiberty all-bfd
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$(bfdlib) : INSTALLCMD = install-libiberty install-bfd
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# Building targets libbfd + libiberty. HOST==TARGET, i.e not
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$(bfdmakes) : CONFIG = --target=$(TARGET) \
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--host=$(TARGET) --build=$(BUILD) \
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--prefix=$(TARGETDIR) \
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--with-sysroot=$(SYSROOT) \
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$(bfdmakes) : TOOLS = $(call declare_tools,_FOR_TARGET,$(TARGET)-) $(call declare_tools,,$(TARGET)-)
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##########################################################################################
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$(ccache) : ENVS += $(TOOLS)
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# libdir to work around hateful bfd stuff installing into wrong dirs...
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# ensure we have 64 bit bfd support in the HOST library. I.e our
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# compiler on i686 will know 64 bit symbols, BUT later
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# we build just the libs again for TARGET, then with whatever the arch
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$(BUILDDIR)/$(binutils_ver)/Makefile : CONFIG += --enable-64-bit-bfd --libdir=$(PREFIX)/$(word 1,$(LIBDIRS))
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ifneq ($(ARCH), riscv64)
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# gold is not available for riscv64 for some reason,
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# and subsequent linking will fail if we try to enable it.
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LINKER_CONFIG := --enable-gold=default
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# Makefile creation. Simply run configure in build dir.
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# Setting CFLAGS to -O2 generates a much faster ld.
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$(BUILDDIR)/$(binutils_ver)/Makefile \
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$(info Configuring $@. Log in $(@D)/log.config)
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$(PATHPRE) $(ENVS) CFLAGS="-O2 $(CFLAGS)" \
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--with-sysroot=$(SYSROOT) \
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--program-prefix=$(TARGET)- \
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) > $(@D)/log.config 2>&1
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$(BUILDDIR)/$(mpfr_ver)/Makefile \
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$(info Configuring $@. Log in $(@D)/log.config)
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$(PATHPRE) $(ENVS) CFLAGS="$(CFLAGS)" \
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--program-prefix=$(TARGET)- \
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--with-gmp=$(PREFIX) \
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) > $(@D)/log.config 2>&1
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$(BUILDDIR)/$(gmp_ver)/Makefile \
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$(info Configuring $@. Log in $(@D)/log.config)
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$(PATHPRE) $(ENVS) CFLAGS="$(CFLAGS)" \
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--host=$(HOST) --build=$(BUILD) \
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--program-prefix=$(TARGET)- \
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--with-mpfr=$(PREFIX) \
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) > $(@D)/log.config 2>&1
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$(BUILDDIR)/$(mpc_ver)/Makefile \
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$(info Configuring $@. Log in $(@D)/log.config)
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$(PATHPRE) $(ENVS) CFLAGS="$(CFLAGS)" \
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--program-prefix=$(TARGET)- \
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--with-mpfr=$(PREFIX) \
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--with-gmp=$(PREFIX) \
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) > $(@D)/log.config 2>&1
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# Only valid if glibc target -> linux
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# proper destructor handling for c++
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ifneq (,$(findstring linux,$(TARGET)))
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$(BUILDDIR)/$(gcc_ver)/Makefile : CONFIG += --enable-__cxa_atexit
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ifeq ($(ARCH), armhfp)
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$(BUILDDIR)/$(gcc_ver)/Makefile : CONFIG += --with-float=hard
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ifneq ($(filter riscv64 ppc64 ppc64le s390x, $(ARCH)), )
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# We only support 64-bit on these platforms anyway
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CONFIG += --disable-multilib
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# multilib (-m32/-m64 on x64)
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# skip native language.
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# and link and assemble with the binutils we created
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# earlier, so --with-gnu*
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$(BUILDDIR)/$(gcc_ver)/Makefile \
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$(info Configuring $@. Log in $(@D)/log.config)
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$(PATHPRE) $(ENVS) $(GCC_CFG) $(EXTRA_CFLAGS) \
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--with-sysroot=$(SYSROOT) \
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--with-debug-prefix-map=$(OUTPUT_ROOT)=devkit \
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--enable-languages=c,c++ \
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--with-mpfr=$(PREFIX) \
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--with-gmp=$(PREFIX) \
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--with-mpc=$(PREFIX) \
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) > $(@D)/log.config 2>&1
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# need binutils for gcc
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# as of 4.3 or so need these for doing config
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$(BUILDDIR)/$(gcc_ver)/Makefile : $(gmp) $(mpfr) $(mpc)
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$(mpc) : $(gmp) $(mpfr)
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################################################################################
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# Build gdb but only where host and target match
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ifeq ($(HOST), $(TARGET))
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$(BUILDDIR)/$(gdb_ver)/Makefile: $(GDB_CFG)
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$(info Configuring $@. Log in $(@D)/log.config)
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$(PATHPRE) $(ENVS) CFLAGS="$(CFLAGS)" $(GDB_CFG) \
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--with-sysroot=$(SYSROOT) \
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) > $(@D)/log.config 2>&1
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$(BUILDDIR)/$(gdb_ver)/Makefile:
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$(info Faking $@, not used when cross-compiling)
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##########################################################################################
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# very straightforward. just build a ccache. it is only for host.
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$(BUILDDIR)/$(ccache_ver)/Makefile \
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$(info Configuring $@. Log in $(@D)/log.config)
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$(PATHPRE) $(ENVS) $(CCACHE_CFG) \
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) > $(@D)/log.config 2>&1
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gccpatch = $(TARGETDIR)/gcc-patched
609
##########################################################################################
610
# For some reason cpp is not created as a target-compiler
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ifeq ($(HOST),$(TARGET))
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$(gccpatch) : $(gcc) link_libs
613
@echo -n 'Creating compiler symlinks...'
615
if [ ! -e $(PREFIX)/bin/$(TARGET)-$$f ]; \
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cd $(PREFIX)/bin && \
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ln -fs $$f $(TARGET)-$$f ; \
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##########################################################################################
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# Ugly at best. Seems that when we compile host->host compiler, that are NOT
626
# the BUILD compiler, the result will not try searching for libs in package root.
627
# "Solve" this by create links from the target libdirs to where they are.
629
@echo -n 'Creating library symlinks...'
630
@$(foreach l,$(LIBDIRS), \
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for f in `cd $(PREFIX)/$(l) && ls`; do \
632
if [ ! -e $(TARGETDIR)/$(l)/$$f ]; then \
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mkdir -p $(TARGETDIR)/$(l) && \
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cd $(TARGETDIR)/$(l)/ && \
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ln -fs $(if $(findstring /,$(l)),../,)../../$(l)/$$f $$f; \
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##########################################################################################
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# Use path to our build hosts cross tools
649
# Always need to build cross tools for build host self.
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$(TARGETDIR)/%.done : $(BUILDDIR)/%/Makefile
651
$(info Building $(basename $@). Log in $(<D)/log.build)
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$(PATHPRE) $(ENVS) $(MAKE) $(BUILDPAR) -f $< -C $(<D) $(MAKECMD) $(MAKECMD.$(notdir $@)) > $(<D)/log.build 2>&1
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@echo -n 'installing...'
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$(PATHPRE) $(MAKE) $(INSTALLPAR) -f $< -C $(<D) $(INSTALLCMD) $(MAKECMD.$(notdir $@)) > $(<D)/log.install 2>&1
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##########################################################################################
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$(PREFIX)/devkit.info:
662
@echo 'Creating devkit.info in the root of the kit'
665
echo '# This file describes to configure how to interpret the contents of this' >> $@
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echo '# devkit' >> $@
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echo 'DEVKIT_NAME="$(gcc_ver) - $(LINUX_VERSION)"' >> $@
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echo 'DEVKIT_TOOLCHAIN_PATH="$$DEVKIT_ROOT/bin"' >> $@
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echo 'DEVKIT_SYSROOT="$$DEVKIT_ROOT/$(TARGET)/sysroot"' >> $@
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echo 'DEVKIT_EXTRA_PATH="$$DEVKIT_ROOT/bin"' >> $@
673
##########################################################################################
674
# Copy these makefiles into the root of the kit
675
$(PREFIX)/Makefile: ./Makefile
679
$(PREFIX)/Tools.gmk: ./Tools.gmk
683
$(PREFIX)/Tars.gmk: ./Tars.gmk
687
THESE_MAKEFILES := $(PREFIX)/Makefile $(PREFIX)/Tools.gmk $(PREFIX)/Tars.gmk
689
##########################################################################################
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ifeq ($(TARGET), $(HOST))
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# To build with dtrace support, the build needs access to the dtrace executable from the
693
# sysroot. Generally we don't want to add binaries in the sysroot to the path, but
694
# luckily this seems to execute well enough on a different host Linux distro, so symlink
695
# it into the main bin dir.
696
$(PREFIX)/bin/dtrace:
697
@echo 'Creating dtrace soft link'
698
ln -s ../$(HOST)/sysroot/usr/bin/dtrace $@
701
@echo 'Creating missing $* soft link'
702
ln -s $(TARGET)-$* $@
704
missing-links := $(addprefix $(PREFIX)/bin/, \
705
addr2line ar as c++ c++filt dwp elfedit g++ gcc gcc-$(GCC_VER) gprof ld ld.bfd \
706
ld.gold nm objcopy objdump ranlib readelf size strings strip)
709
##########################################################################################
712
binutils : $(binutils)
716
gcc : sysroot $(gcc) $(gccpatch)
718
all : binutils gcc bfdlib $(PREFIX)/devkit.info $(missing-links) $(SYSROOT_LINKS) \
719
$(THESE_MAKEFILES) gdb
721
# this is only built for host. so separate.
724
.PHONY : gcc all binutils bfdlib link_libs rpms libs sysroot