#!/bin/bash
set -e
mkdir -p install-gcc
cd install-gcc
echo && echo "download and unpack" && echo
GCC_SOURCES_URL="https://ftp.gnu.org/gnu/gcc/gcc-7.2.0/gcc-7.2.0.tar.xz"
wget -c "$GCC_SOURCES_URL"
tar -xf gcc-*.tar.*
echo && echo "build and install" && echo
mkdir -p build
cd build
[ -f "../configure.done" ] || (../gcc-*/configure && touch "../configure.done")
make -j`nproc` || make || make
make install
(cd /usr/local/bin && ln gcc cc)
cd ..
echo && echo "add licenses" && echo
cd gcc-*
PREFIX="/usr/local/share/doc"
TARGET="../copyright"
TARGET_DIRS="gcc g++ gfortran cc c++ fortran"
echo > "$TARGET"
for FILE in README COPYING* MAINTAINERS; do
echo "" >> "$TARGET"
echo "-------------------------------------" >> "$TARGET"
echo " File: $FILE" >> "$TARGET"
echo "-------------------------------------" >> "$TARGET"
echo "" >> "$TARGET"
cat "$FILE" >> "$TARGET"
done
for TARGET_DIR in $TARGET_DIRS; do
mkdir -p "$PREFIX/$TARGET_DIR"
cp "$TARGET" "$PREFIX/$TARGET_DIR/"
done
cd ..
cd ..
echo && echo "clean" && echo
rm -r install-gcc