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#!/bin/sh
LIMINE_TAG=v7.5.1
MINTSUKI_HEADERS_COMMIT=dd3abd2d7147efc4170dff478d3b7730bed14147
BINUTILS_TAG=binutils-2_42
GCC_TAG=releases/gcc-14.1.0
PROJECT_ROOT="$(pwd)"
if [ -e .setup-complete ]; then
echo setup has already completed. refusing to run again.
echo to run again anyway, delete .setup-complete
echo to clean the dependencies, run clean-dependencies.sh
exit 1
fi
if [ -e .setup-started ]; then
echo setup has already been started, but failed. refusing to run again.
echo to run again anyway, delete .setup-started
echo to clean the dependencies, run clean-dependencies.sh
exit 1
fi
if [ -z "$MAKEOPTS" ]; then
MAKEOPTS=-j$(nproc)
fi
touch .setup-started
set -e
mkdir -p dependencies toolchain/usr
cd dependencies
git clone --depth 1 -b "$LIMINE_TAG" https://github.com/limine-bootloader/limine limine
cd limine
./bootstrap
./configure --enable-bios --enable-bios-cd
make $MAKEOPTS
cd ..
git clone --depth 1 https://github.com/osdev0/freestanding-headers mintsuki-headers
cd mintsuki-headers
git fetch --depth=1 origin "$MINTSUKI_HEADERS_COMMIT"
git checkout "$MINTSUKI_HEADERS_COMMIT"
patch stddef.h "$PROJECT_ROOT"/patches/mintsuki-stddef.patch
cd ..
git clone --depth 1 -b "$BINUTILS_TAG" https://sourceware.org/git/binutils-gdb binutils
mkdir binutils/build
cd binutils/build
../configure --disable-gdb --target=x86_64-elf --prefix="$PROJECT_ROOT"/toolchain/usr
make $MAKEOPTS
make $MAKEOPTS install
cd ../..
git clone --depth 1 -b "$GCC_TAG" https://gcc.gnu.org/git/gcc gcc
mkdir gcc/build
cd gcc/build
../configure --disable-fixed-point --disable-gcov --disable-multilib \
--disable-shared --disable-hosted-libstdcxx --enable-languages=c++ \
--target=x86_64-elf --enable-cstdio=stdio_pure \
--prefix="$PROJECT_ROOT"/toolchain/usr --without-headers \
--enable-cxx-flags=-mno-sse
make $MAKEOPTS all-gcc
make $MAKEOPTS install-gcc
make $MAKEOPTS all-target-libgcc
make $MAKEOPTS install-target-libgcc
make $MAKEOPTS all-target-libstdc++-v3
make $MAKEOPTS install-target-libstdc++-v3
patch "$PROJECT_ROOT"/toolchain/usr/x86_64-elf/include/c++/14.1.0/memory \
"$PROJECT_ROOT"/patches/gcc-memory.patch
cd ../..
cd ..
touch .setup-complete
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