gcc-7.2.0-0.build.sh

#! /bin/bash

PKG=gcc
VERSION=7.2.0
BUILD=0
URL=http://ftp.gnu.org/gnu/gcc/gcc-${VERSION}/gcc-${VERSION}.tar.gz

PREFIX=/pkg/$PKG-$VERSION-$BUILD
#PREFIX=/scratch/local2/$PKG-$VERSION-$BUILD

set -xe
umask 022

BUILD_TMPDIR=/dev/shm/$PKG-$VERSION-$BUILD.build.tmp
test -d $BUILD_TMPDIR && rm -rf $BUILD_TMPDIR
mkdir -p $BUILD_TMPDIR/home
export TMPDIR=$BUILD_TMPDIR
export HOME=$BUILD_TMPDIR/home

exec </dev/null

mkdir -p $PREFIX
cat >$PREFIX/profile <<-EOF
	PATH=$PREFIX/bin:\$PATH
EOF
. $PREFIX/profile

export MAKEFLAGS="-j $(nproc)"

BUILDDIR=$PREFIX/build

mkdir -p $BUILDDIR
cd $BUILDDIR

test -e gcc-${VERSION}.tar.gz || wget $URL
test -d gcc-$VERSION        || tar xvf gcc-${VERSION}.tar.gz
cd gcc-$VERSION
./configure \
	--prefix=$PREFIX \
	--enable-shared \
  --enable-threads=posix \
  --enable-__cxa_atexit \
  --enable-clocale=gnu \
  --enable-languages=c,fortran,c++,objc,obj-c++ \
  --disable-multilib \
  --with-system-zlib
make
make -k check 2>&1 | tee check.log
make install

cd $PREFIX
mkdir -vp lib
ln -sv ${PREFIX}/bin/cpp lib/
ln -sv gcc bin/cc

install -v -dm755 lib/bfd-plugins
ln -sfv ../../libexec/gcc/$(gcc -dumpmaschine)/$VERSION/liblto_plugin.so lib/bfd-plugins/

mv -v lib64/* lib/
rmdir -v lib64

mkdir -p share/gdb/auto-load/lib
mv -v lib/*-gdb.py share/gdb/auto-load/lib
exit