kde4-base.eclass: Drop obsolete minimum GCC check

eclass/kde4-base.eclass

@@ -637,24 +637,14 @@ debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: SRC_URI is ${SRC_URI}"
 kde4-base_pkg_setup() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	if has handbook ${IUSE} || has "+handbook" ${IUSE} && [ "${KDE_HANDBOOK}" != optional ] ; then
+	if has handbook ${IUSE} || has "+handbook" ${IUSE} && [[ "${KDE_HANDBOOK}" != optional ]] ; then
 		eqawarn "Handbook support is enabled via KDE_HANDBOOK=optional in the ebuild."
 		eqawarn "Please do not just set IUSE=handbook, as this leads to dependency errors."
 	fi
 
 	# Don't set KDEHOME during compilation, it will cause access violations
 	unset KDEHOME
 
-	# Check if gcc compiler is fresh enough.
-	# In theory should be in pkg_pretend but we check it only for kdelibs there
-	# and for others we do just quick scan in pkg_setup because pkg_pretend
-	# executions consume quite some time (ie. when merging 300 packages at once will cause 300 checks)
-	if [[ ${MERGE_TYPE} != binary ]] && tc-is-gcc; then
-		[[ $(gcc-major-version) -lt 4 ]] || \
-				( [[ $(gcc-major-version) -eq 4 && $(gcc-minor-version) -le 6 ]] ) \
-			&& die "Sorry, but gcc-4.6 and earlier wont work for some KDE packages."
-	fi
-
 	KDEDIR=/usr
 	: ${PREFIX:=/usr}
 	EKDEDIR=${EPREFIX}/usr