toolchain.eclass: convert find|xargs to find -exec

eclass/toolchain.eclass

@@ -1505,7 +1505,7 @@ toolchain_src_compile() {
 
 	# Do not make manpages if we do not have perl ...
 	[[ ! -x /usr/bin/perl ]] \
-		&& find "${WORKDIR}"/build -name '*.[17]' | xargs touch
+		&& find "${WORKDIR}"/build -name '*.[17]' -exec touch {} +
 
 	gcc_do_make ${GCC_MAKE_TARGET}
 }
@@ -1713,9 +1713,8 @@ toolchain_src_install() {
 	# install testsuite results
 	if use regression-test; then
 		docinto testsuite
-		find "${WORKDIR}"/build -type f -name "*.sum" -print0 | xargs -0 dodoc
-		find "${WORKDIR}"/build -type f -path "*/testsuite/*.log" -print0 \
-			| xargs -0 dodoc
+		find "${WORKDIR}"/build -type f -name "*.sum" -exec dodoc {} +
+		find "${WORKDIR}"/build -type f -path "*/testsuite/*.log" -exec dodoc {} +
 	fi
 
 	# Rather install the script, else portage with changing $FILESDIR
@@ -1810,7 +1809,7 @@ gcc_movelibs() {
 	for FROMDIR in ${removedirs} ; do
 		rmdir "${D}"${FROMDIR} >& /dev/null
 	done
-	find "${D}" -type d | xargs rmdir >& /dev/null
+	find -depth "${D}" -type d -exec rmdir {} + >& /dev/null
 }
 
 # make sure the libtool archives have libdir set to where they actually