Import a sample script to build a cross-compiler

doc/cross-gcc.sh

@@ -0,0 +1,78 @@
+#!/bin/sh -e
+#$Id$
+#Copyright (c) 2019 Pierre Pronchery <khorben@defora.org>
+#This file is part of DeforaOS uKernel
+#
+#Redistribution and use in source and binary forms, with or without
+#modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+#
+#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+#AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+#IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+#DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+#FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+#DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+#SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+#CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+#OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+#OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+#variables
+BINUTILS_VERSION="2.32"
+GCC_VERSION="8.3.0"
+MIRROR="https://ftpmirror.gnu.org"
+TARGET="i686-elf"
+#executables
+MAKE="make"
+MKDIR="mkdir -p"
+TAR="tar"
+WGET="wget"
+
+
+#functions
+#main
+
+#Modify the environment to reflect the port chosen
+
+PREFIX="$HOME/opt/cross-gcc-$TARGET"
+PATH="$PREFIX/bin:$PATH"
+
+#Download binutils
+
+[ -f "binutils-$BINUTILS_VERSION.tar.gz" ] ||
+	$WGET "$MIRROR/pub/binutils/releases/binutils-$BINUTILS_VERSION.tar.gz"
+
+#Extract, configure, and build binutils in a dedicated tree
+
+$TAR xzvf "binutils-$BINUTILS_VERSION.tar.gz"
+$MKDIR binutils-build
+(cd binutils-build && "../binutils-$BINUTILS_VERSION/configure" \
+	--target="$TARGET" --prefix="$PREFIX" --with-sysroot --disable-nls \
+	--disable-werror)
+(cd binutils-build && $MAKE)
+(cd binutils-build && $MAKE install)
+
+#Download GCC
+
+[ -f "gcc-$GCC_VERSION.tar.gz" ] ||
+	$WGET "$MIRROR/pub/gcc/releases/gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.gz"
+
+#Extract, configure, and build GCC in a dedicated tree
+
+$TAR xzvf "gcc-$GCC_VERSION.tar.gz"
+$MKDIR gcc-build
+(cd gcc-build && "../gcc-$GCC_VERSION/configure" --target="$TARGET" \
+	--prefix="$PREFIX" --disable-nls --enable-languages=c,c++ \
+	--without-headers
+(cd gcc-build && $MAKE all-gcc)
+(cd gcc-build && $MAKE all-target-libgcc)
+(cd gcc-build && $MAKE install-gcc)
+(cd gcc-build && $MAKE install-target-libgcc)

doc/project.conf

@@ -1 +1 @@
-dist=Makefile,cross-gcc.md
+dist=Makefile,cross-gcc.md,cross-gcc.sh