Build GCC/Binutils toolchain in tree. (#1)

Adds a x86_64-pc-acadia target triple.

Co-authored-by: Drew Galbraith <dgalbraith33@gmail.com>
Reviewed-on: https://gitea.tiramisu.one/drew/acadia/pulls/1

scripts/build_toolchain.sh

@@ -0,0 +1,99 @@
+#!/bin/bash
+
+set -e
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+echo $DIR
+
+ARCH="x86_64"
+TARGET="$ARCH-pc-acadia"
+TOOLCHAIN="$DIR/../toolchain"
+PREFIX="$TOOLCHAIN/local"
+BUILD="$DIR/../builddbg"
+SYSROOT="$DIR/../sysroot"
+
+BINUTILS_VERSION="2.40"
+BINUTILS_NAME="binutils-$BINUTILS_VERSION"
+BINUTILS_PKG="${BINUTILS_NAME}.tar.xz"
+BINUTILS_BASE_URL="https://ftp.gnu.org/gnu/binutils" 
+
+GCC_VERSION="13.1.0"
+GCC_NAME="gcc-$GCC_VERSION"
+GCC_PKG="${GCC_NAME}.tar.xz"
+GCC_BASE_URL="https://ftp.gnu.org/gnu/gcc"
+
+mkdir -p "$TOOLCHAIN/srcs"
+pushd "$TOOLCHAIN/srcs"
+  # TODO: Check md5sum
+  if [ ! -e "$BINUTILS_PKG" ]; then
+    curl -LO "$BINUTILS_BASE_URL/$BINUTILS_PKG"
+  fi
+
+  if [ ! -d "$BINUTILS_NAME" ]; then
+    tar -xJf ${BINUTILS_PKG}
+    pushd $BINUTILS_NAME
+    # Set up a baseline to make it easier to create patches in the future.
+    git init
+    git add .
+    git commit -m "base"
+    patch -p1 <$TOOLCHAIN/patches/binutils/00-first.patch
+    popd
+  fi
+
+  if [ ! -e "$GCC_PKG" ]; then
+    curl -LO "$GCC_BASE_URL/$GCC_NAME/$GCC_PKG"
+  fi
+
+  if [ ! -d "$GCC_NAME" ]; then
+    tar -xJf $GCC_PKG
+    pushd $GCC_NAME
+    # Set up a baseline to make it easier to create patches in the future.
+    git init
+    git add .
+    git commit -m "base"
+    patch -p1 <$TOOLCHAIN/patches/gcc/00-first.patch
+    patch -p1 <$TOOLCHAIN/patches/gcc/01-libstdc++.patch
+    popd
+  fi
+  
+
+popd
+
+mkdir -p "$TOOLCHAIN/build"
+pushd "$TOOLCHAIN/build"
+  rm -rf binutils
+  mkdir -p binutils
+  pushd binutils
+      # skip building documentation
+      export ac_cv_prog_MAKEINFO=true
+      "$TOOLCHAIN"/srcs/$BINUTILS_NAME/configure \
+        --prefix=$PREFIX \
+        --target="$TARGET" \
+        --with-sysroot="$SYSROOT" \
+        --enable-shared \
+        --disable-nls
+
+      make MAKEINFO=true -j 8
+      make install MAKEINFO=true -j 8
+  popd
+
+  rm -rf gcc
+  mkdir -p gcc
+  pushd gcc
+    $TOOLCHAIN/srcs/$GCC_NAME/configure \
+      --prefix=$PREFIX \
+      --target=$TARGET \
+      --with-sysroot=$SYSROOT \
+      --with-newlib \
+      --disable-nls \
+      --enable-languages=c,c++
+
+
+    make -j 8 all-gcc
+    make -j 8 all-target-libgcc
+
+    make -j 8 install-gcc install-target-libgcc
+  popd
+
+popd