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|
#!/bin/env bash
pacman --noconfirm -Syu
mkdir toolchain && cd toolchain
# Install runtime dependencies
pacman --noconfirm --needed -S \
base-devel \
libelf \
libmpc \
zlib
# Install build dependencies
pacman --noconfirm --needed --asdeps -S \
gmp \
mpfr
# Download sources
curl -LO https://ftp.gnu.org/gnu/binutils/binutils-$BINUTILS_VERSION.tar.xz
curl -LO https://ftp.gnu.org/gnu/gcc/gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.xz
curl -LO ftp://sourceware.org/pub/newlib/newlib-$NEWLIB_VERSION.tar.gz
# Build binutils
mkdir binutils && cd binutils && mkdir .build
tar xf ../binutils-$BINUTILS_VERSION.tar.xz
cd .build
../binutils-$BINUTILS_VERSION/configure \
--target=$TARGET \
--prefix=/usr/lib/$TARGET \
--bindir=/usr/bin \
--libdir=/usr/lib/$TARGET \
--disable-nls \
--disable-werror
make -j$(nproc)
make install
cd /toolchain
# Build first iteration of GCC (for newlib boostrapping)
mkdir gcc-bootstrap && cd gcc-bootstrap && mkdir .build
tar xf ../gcc-$GCC_VERSION.tar.xz
cd gcc-$GCC_VERSION
cat <<EOF > gcc/config/i386/t-x86_64-elf
MULTILIB_OPTIONS += mno-red-zone
MULTILIB_DIRNAMES += no-red-zone
EOF
patch -p0 -i /patches/gcc-$GCC_VERSION-$TARGET.patch
cd ../.build
CFLAGS=${CFLAGS/-Werror=format-security/}
CXXFLAGS=${CXXFLAGS/-Werror=format-security/}
../gcc-$GCC_VERSION/configure \
--target=$TARGET \
--prefix=/usr \
--disable-nls \
--disable-plugin \
--libexecdir=/usr/lib \
--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 /toolchain
# Build newlib
mkdir newlib && cd newlib && mkdir .build
tar xf ../newlib-$NEWLIB_VERSION.tar.gz
cd .build
LDFLAGS=-mno-red-zone ../newlib-$NEWLIB_VERSION/configure \
--target=$TARGET \
--prefix=/usr \
--disable-newlib-supplied-syscalls \
--disable-newlib-fseek-optimization \
--disable-newlib-io-float \
--disable-nls \
--disable-werror
make -j$(nproc)
make install
cd /toolchain
# Build final gcc
mkdir gcc-final && cd gcc-final && mkdir .build
tar xf ../gcc-$GCC_VERSION.tar.xz
cd gcc-$GCC_VERSION
cat <<EOF > gcc/config/i386/t-x86_64-elf
MULTILIB_OPTIONS += mno-red-zone
MULTILIB_DIRNAMES += no-red-zone
EOF
patch -p0 -i /patches/gcc-$GCC_VERSION-$TARGET.patch
cd ../.build
CFLAGS=${CFLAGS/-Werror=format-security/}
CXXFLAGS=${CXXFLAGS/-Werror=format-security/}
../gcc-$GCC_VERSION/configure \
CFLAGS_FOR_TARGET='-mcmodel=large' \
--target=$TARGET \
--prefix=/usr \
--disable-nls \
--disable-plugin \
--libexecdir=/usr/lib \
--enable-languages=c,c++ \
--enable-cxx-flags=-fno-exceptions \
--disable-hosted-libstdcxx \
--disable-wchar_t \
--with-newlib
make -j$(nproc) all-gcc
make -j$(nproc) all-target-libgcc
make -j$(nproc) all-target-libstdc++-v3
make install-gcc
make install-target-libgcc
make install-target-libstdc++-v3
cd /
rm -rf toolchain
|
