Ports: Switch to new ports system (#594)

Much redundancy is removed from package scripts with this system.
It also supports simple dependency management, uninstalling (through
BSD ports style plist files), cleaning up after itself (with clean,
clean_dist, clean_all commands), etc.

Ports/gcc/gcc.sh

@@ -1,33 +0,0 @@
-#!/bin/sh
-PORT_DIR=gcc
-fetch() {
-    run_fetch_web "https://ftp.gnu.org/gnu/gcc/gcc-8.3.0/gcc-8.3.0.tar.xz"
-
-    # Add the big GCC patch (same one used by toolchain.)
-    run_patch $SERENITY_ROOT/Toolchain/Patches/gcc.patch -p1
-
-    # Let GCC download mpfr, mpc and isl.
-    run_command contrib/download_prerequisites
-
-    # Patch mpfr, mpc and isl to teach them about "serenity" targets.
-    run_patch dependencies-config.patch -p1
-}
-configure() {
-    run_configure_autotools \
-        --target=i686-pc-serenity \
-        --with-sysroot=/ \
-        --with-build-sysroot=$SERENITY_ROOT/Root \
-        --with-newlib \
-        --enable-languages=c,c++ \
-        --disable-lto \
-        --disable-nls
-}
-build() {
-    MAKEOPTS=""
-    run_make all-gcc all-target-libgcc all-target-libstdc++-v3
-    run_command find ./host-i686-pc-serenity/gcc/ -maxdepth 1 -type f -executable -exec strip --strip-debug {} \; || echo
-}
-install() {
-    run_make $INSTALLOPTS DESTDIR="$SERENITY_ROOT"/Root install-gcc install-target-libgcc install-target-libstdc++-v3
-}
-. ../.port_include.sh

Ports/gcc/package.sh

@@ -0,0 +1,27 @@
+#!/bin/bash ../.port_include.sh
+port=gcc
+version=8.3.0
+useconfigure=true
+configopts="--target=i686-pc-serenity --with-sysroot=/ --with-build-sysroot=$SERENITY_ROOT/Root --with-newlib --enable-languages=c,c++ --disable-lto --disable-nls"
+files="https://ftp.gnu.org/gnu/gcc/gcc-8.3.0/gcc-8.3.0.tar.xz gcc-8.3.0.tar.xz"
+makeopts="all-gcc all-target-libgcc all-target-libstdc++-v3"
+installopts="DESTDIR=$SERENITY_ROOT/Root install-gcc install-target-libgcc install-target-libstdc++-v3"
+depends="binutils"
+
+fetch() {
+    read url filename <<< $(echo "$files")    
+    run_nocd curl -O "$url" -o "$filename"
+    run_nocd tar xf "$filename"
+    run contrib/download_prerequisites
+    for f in patches/*; do
+        run patch -p1 < "$f"
+    done
+}
+build() {
+    run make $makeopts
+    run find ./host-i686-pc-serenity/gcc/ -maxdepth 1 -type f -executable -exec strip --strip-debug {} \; || echo
+}
+
+install() {
+    run make $installopts
+}