#!/bin/bash

set -e

. /etc/pkg/pkg.conf
. /var/lib/pkg/functions

name=$(basename $0)
version=8.2.0
url=http://ftp.gnu.org/gnu/gcc/gcc-$version/gcc-$version.tar.xz

fetch $url

rm -fr $WORK_DIR/$name-$version
tar -xvf $SOURCE_DIR/$(basename $url) -C $WORK_DIR

cd $WORK_DIR/$name-$version
{ time \
   {
	case $(uname -m) in
	  x86_64)
		sed -e '/m64=/s/lib64/lib/' \
			-i.orig gcc/config/i386/t-linux64
	  ;;
	esac
	
	rm -f /usr/lib/gcc
	
	mkdir -v build
	cd       build

	SED=sed                               \
	../configure --prefix=/usr            \
				 --enable-languages=c,c++ \
				 --disable-multilib       \
				 --disable-bootstrap      \
				 --disable-libmpx         \
				 --with-system-zlib
	make
	make install
	ln -svf ../usr/bin/cpp /lib
	ln -svf gcc /usr/bin/cc
	install -v -dm755 /usr/lib/bfd-plugins
	ln -sfv ../../libexec/gcc/$(gcc -dumpmachine)/8.2.0/liblto_plugin.so \
			/usr/lib/bfd-plugins/
			
	echo 'int main(){}' > dummy.c
	cc dummy.c -v -Wl,--verbose &> dummy.log
	readelf -l a.out | grep ': /lib'

	grep -o '/usr/lib.*/crt[1in].*succeeded' dummy.log
	grep -B4 '^ /usr/include' dummy.log
	grep 'SEARCH.*/usr/lib' dummy.log |sed 's|; |\n|g'
	grep "/lib.*/libc.so.6 " dummy.log
	grep found dummy.log
	rm -v dummy.c a.out dummy.log
	mkdir -pv /usr/share/gdb/auto-load/usr/lib
	mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib
   }
} 2>&1 | tee -a $LOG_DIR/$(basename $0).log

if [ $PIPESTATUS -ne 0 ]; then exit 1; fi;

rm -fr $WORK_DIR/$name-$version

registerpkg $(basename $0) $version

exit 0