From 4ddf026a5d4b2cc7d8fead34b5eba4584df6c462 Mon Sep 17 00:00:00 2001
From: Furkan Mudanyali <fmudanyali@icloud.com>
Date: Thu, 21 Jul 2022 18:09:22 +0300
Subject: [PATCH] Add script to compile toolchain

---
 build-toolchain.sh | 74 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100755 build-toolchain.sh

diff --git a/build-toolchain.sh b/build-toolchain.sh
new file mode 100755
index 0000000..8e6aa0d
--- /dev/null
+++ b/build-toolchain.sh
@@ -0,0 +1,74 @@
+#!/bin/sh
+#export PREFIX="$HOME/opt/cross-i686"
+
+echo "Welcome to rockOS toolchain compilation script, where would you like to install your toolchain?\nLeave blank for $HOME/opt/cross-i686"
+
+read PREFIX
+
+if [ "$PREFIX" == "" ]; then
+    export PREFIX="$HOME/opt/cross-i686"
+fi
+
+mkdir -p "$PREFIX"
+export TARGET=i686-elf
+export PATH="$PREFIX/bin:$PATH"
+
+export BINUTILS_LINK=https://ftp.gnu.org/gnu/binutils/binutils-2.38.tar.gz
+export GCC_LINK=https://ftp.gnu.org/gnu/gcc/gcc-12.1.0/gcc-12.1.0.tar.gz
+export GRUB_LINK=https://ftp.gnu.org/gnu/grub/grub-2.06.tar.gz
+
+if command -V wget >/dev/null 2>&1; then
+    export DL_CMD="wget"
+    export DL_OUTPUT="-O"
+elif command -V curl >/dev/null 2>&1; then
+    export DL_CMD="curl"
+    export DL_OUTPUT="-o"
+else
+    echo "Please install curl or wget"
+    exit 1
+fi
+
+mkdir -p "$PREFIX"
+cd /tmp
+mkdir rockos-toolchain-src
+cd rockos-toolchain-src
+"${DL_CMD}" $DL_OUTPUT binutils.tar.gz $BINUTILS_LINK
+mkdir binutils-src
+tar -xvf binutils.tar.gz -C ./binutils-src/
+mkdir build-binutils
+cd build-binutils
+../binutils-src/*/configure --target=$TARGET --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
+make -j$(nproc)
+make install
+
+cd ..
+"${$DL_CMD}" $DL_OUTPUT gcc.tar.gz $GCC_LINK
+mkdir gcc-src
+tar -xvf gcc.tar.gz -C ./gcc-src/
+mkdir build-gcc
+cd build-gcc
+../gcc-src/*/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
+make -j$(nproc) all-gcc
+make -j$(nproc) all-target-libgcc
+make install-gcc
+make install-target-libgcc
+cd ..
+
+if [ "$(uname)" == "Darwin" ]; then
+    "${DL_CMD}" $DL_OUTPUT grub.tar.gz $GRUB_LINK
+    mkdir grub-src
+    tar -xvf grub.tar.gz -C ./grub-src/
+    mkdir build-grub
+    cd build-grub
+    ../grub-src/*/configure --target=$TARGET --prefix="$PREFIX" TARGET_CC=$TARGET-gcc TARGET_OBJCOPY=$TARGET-objcopy TARGET_STRIP=$TARGET-strip TARGET_NM=$TARGET-nm TARGET_RANLIB=$TARGET-ranlib --disable-nls --disable-werror
+    make -j$(nproc)
+    make install
+    cd ..
+fi
+
+rm -r rockos-toolchain-src
+cd
+
+echo "Toolchain installation is complete!"
+echo "Please add this to your bashrc or zshrc or whatever"
+echo "export \$PATH=\"$PREFIX/bin:\$PATH\""
\ No newline at end of file