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#!/bin/bash
set -e
mkdir -p isl mpfr gmp mpc
tar -xf ../isl-*.tar.xz -C isl --strip-components=1 &&
tar -xf ../mpfr-*.tar.xz -C mpfr --strip-components=1 &&
tar -xf ../gmp-*.tar.xz -C gmp --strip-components=1 &&
tar -xf ../mpc-*.tar.gz -C mpc --strip-components=1 &&
case $(uname -m) in
x86_64)
sed -e '/m64=/s/lib64/lib/' -i.orig gcc/config/i386/t-linux64
;;
aarch64)
sed -e '/mabi.lp64=/s/lib64/lib/' \
-i.orig gcc/config/aarch64/t-aarch64-linux
;;
esac
mkdir -v build
cd build || exit 1
mkdir -pv "${LFS_TGT}"/libgcc &&
ln -s ../../../libgcc/gthr-posix.h "${LFS_TGT}"/libgcc/gthr-default.h &&
../configure \
--build="$(../config.guess)" \
--host="${LFS_TGT}" \
--prefix=/usr \
CC_FOR_TARGET="${LFS_TGT}"-gcc \
--with-build-sysroot="${LFS}" \
--enable-initfini-array \
--disable-nls \
--disable-multilib \
--disable-decimal-float \
--disable-libatomic \
--disable-libgomp \
--disable-libquadmath \
--disable-libssp \
--disable-libvtv \
--disable-libstdcxx \
--enable-languages=c,c++ \
"$([ "$(uname -m)" = aarch64 ] && echo --with-arch=armv8-a)" \
"$([ "$(uname -m)" = aarch64 ] && echo --with-cpu=cortex-a73.cortex-a53)" \
"$([ "$(uname -m)" = aarch64 ] && echo --enable-fix-cortex-a53-835769)" \
"$([ "$(uname -m)" = aarch64 ] && echo --enable-fix-cortex-a53-843419)" &&
make &&
make DESTDIR="${LFS}" -j1 install &&
ln -sv gcc "${LFS}"/usr/bin/cc
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