kcliu
for x in `echo $PATH | sed -e 's/:/ /g'` ; do test -d $x && find "$x" -name "*gcc*" ;done | xargs readlink |grep -v llvm|sort | uniq | head -1
for x in `echo $PATH | sed -e 's/:/ /g'` ; do test -d $x && find "$x" -name "*gcc*" ;done | xargs readlink |grep -v llvm|sort | uniq | head -1