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#!/bin/sh
set -eu
TOOL="gcc"
VER="11.2.0"
# this is ugly
{ HASHES=$(cat) ; } <<'HASHES'
f0837f1bf8244a5cc23bd96ff6366712a791cfae01df8e25b137698aca26efc1 toolchain/cache/gcc-11.2.0.tar.gz
HASHES
export PREFIX="$(pwd)/toolchain/$TOOL-$VER/"
export TARGET=i686-elf
export PATH="$(pwd)/toolchain/binutils-2.37/bin/:$PATH"
# ensure that we're in the repo root
if [ ! -d .git ]; then
echo please cd to the repo\'s main directory
exit
fi
mkdir -p $PREFIX/build
echo "downloading missing files..."
tools/dep_builders/dl "https://ftp.gnu.org/gnu/$TOOL/$TOOL-$VER/$TOOL-$VER.tar.gz"
tools/dep_builders/dl "https://ftp.gnu.org/gnu/$TOOL/$TOOL-$VER/$TOOL-$VER.tar.gz.sig"
tools/dep_builders/dl "https://ftp.gnu.org/gnu/gnu-keyring.gpg"
echo "verifying signatures..."
if ! gpg --verify --keyring toolchain/cache/gnu-keyring.gpg toolchain/cache/$TOOL-$VER.tar.gz.sig
then
echo "THE SIGNATURE COULDN'T BE VERIFIED. something's fishy."
exit
fi
echo "$HASHES" | sha256sum --check || exit
echo "unpacking the tarball..."
tar xf toolchain/cache/$TOOL-$VER.tar.gz -C toolchain/cache
UNPACKED="$(pwd)/toolchain/cache/$TOOL-$VER/"
echo "downloading required libraries..."
cd $UNPACKED
./contrib/download_prerequisites
echo "building..."
cd $PREFIX/build
$UNPACKED/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c --without-headers
make all-gcc
make all-target-libgcc
make install-gcc
make install-target-libgcc
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