1 files changed, 97 insertions, 0 deletions
diff --git a/dev-util/ccache/files/ccache-config-3 b/dev-util/ccache/files/ccache-config-3
new file mode 100644
index 000000000000..7f604f0016ef
--- /dev/null
+++ b/dev-util/ccache/files/ccache-config-3
@@ -0,0 +1,97 @@
+#!/bin/sh
+#
+# ccache-config - helper script for ccache and its ebuild
+#
+# Copyright 2003-2014 Superlucidity Services, LLC
+# Copyright 2013-2014 Gentoo Foundation
+# This program licensed under the GNU GPL version 2.
+#
+# This script developed by Zachary T Welch at Superlucidity Services, LLC
+#  it was cloned from the distcc-config script
+#
+# Additional features to come; this provides a starting point
+
+EPREFIX=''
+
+. "${EPREFIX}"/lib/gentoo/functions.sh 2>/dev/null || {
+	ebegin() { echo " * $* ..."; }
+	eend() {
+		local r=${1:-$?}
+		[ ${r} -eq 0 ] && echo " [ OK ]" || echo " [ !! ]"
+		return $r
+	}
+}
+
+LIBDIR="lib"
+
+# this should be getopt'd someday (override with CC_QUIET=1)
+CC_VERBOSE=1
+unset _CC_QUIET
+c_quiet() {
+	[ -n "${CC_QUIET:-${_CC_QUIET}}" ] || [ -z "${CC_VERBOSE}" ]
+}
+
+c_ebegin() { c_quiet || ebegin "$@" ; }
+c_eend()   { c_quiet || eend "$@" ; }
+
+###
+# the following functions manage the ccache symlinks
+#  they allow the user or other scripts (namely gcc-config) to
+#  automatically update ccache's links when upgrading toolchains
+#
+cc_path() {
+	echo ${ROOT%/}${EPREFIX}/usr/${LIBDIR}/ccache/bin/$1
+}
+cc_remove_link() {
+	local t=$(cc_path "$1")
+	if [ -L ${t} ]; then
+		c_ebegin "Removing ${t}"
+		rm -f "${t}"
+		c_eend
+
+		# Trim the empty dir if possible. #517242
+		t=${t%/*}
+		if rmdir "${t}" 2>/dev/null; then
+			rmdir "${t%/*}" 2>/dev/null
+		fi
+		:
+	fi
+}
+cc_install_link() {
+	# Search the PATH for the specified compiler
+	#  then create shadow link in /usr/lib/ccache/bin to ccache
+
+	if command -v "$1" >/dev/null ; then
+		# first be sure any old link is removed
+		_CC_QUIET=1
+		cc_remove_link "$1"
+		unset _CC_QUIET
+
+		# then create the new link
+		local t=$(cc_path "$1")
+		c_ebegin "Creating ccache shadow link ${t}"
+		mkdir -p -m 0755 "${t%/*}" && ln -s "${EPREFIX}"/usr/bin/ccache "${t}"
+		c_eend
+	fi
+}
+cc_links() {
+	local a
+	for a in gcc cc c++ g++ icc icpc clang clang++ ; do
+		"cc_${1}_link" "${2}${2:+-}${a}"
+	done
+}
+
+###
+# main routine
+
+case $1 in
+	--install-links )
+		cc_links install "$2"
+		;;
+	--remove-links )
+		cc_links remove "$2"
+		;;
+	* )
+		echo "usage: $0 {--install-links|--remove-links} [ CHOST ]"
+		;;
+esac