Split pkgs required by xbps-base-chroot, as it was made in Fedora.

- Added an additional shell func to add full (build/run), build
  or run time dependencies to packages. An optional third parameter
  can be used to specify other version than the one set in
  the depends file.
- Use a "depends" file in package directory to specify minimum
  required ABI/API version for a package, so that there's no need
  to set the version all the time in pkgs.
- Updated bash to 4.0.

--HG--
extra : convert_revision : 1aa0ce32d4bdc2cd371eac19ae7bcff2c986b6b3

templates/gcc/c++.template

@@ -0,0 +1,35 @@
+# Template file for 'gcc-c++'.
+#
+short_desc="GCC C++ support"
+long_desc="${long_desc}
+
+ This package contains GCC C++ support."
+
+Add_dependency run gcc
+Add_dependency run gcc-libstdc++
+
+do_install()
+{
+	local destdir=${XBPS_DESTDIR}/${pkgname}-${version}
+	local origdir=${XBPS_DESTDIR}/${sourcepkg}-${version}
+	local triplet=
+
+	if [ "${xbps_machine}" = "x86_64" ]; then
+		triplet="${xbps_machine}-unknown-linux-gnu"
+	else
+		triplet="${xbps_machine}-pc-linux-gnu"
+	fi
+
+	mkdir -p ${destdir}/usr/lib
+	mkdir -p ${destdir}/usr/bin
+	mkdir -p ${destdir}/usr/share/man/man1
+	mkdir -p ${destdir}/usr/libexec/gcc/${triplet}/${version}
+
+	for f in g++ c++ ${triplet}-g++ ${triplet}-c++; do
+		mv ${origdir}/usr/bin/${f} ${destdir}/usr/bin
+	done
+	mv ${origdir}/usr/libexec/gcc/${triplet}/${version}/cc1plus \
+		${destdir}/usr/libexec/gcc/${triplet}/${version}
+
+	mv ${origdir}/usr/share/man/man1/g++.1 ${destdir}/usr/share/man/man1
+}