gcc -print-prog-name=cc1
prints the path to the installation of cc1
. for prog in cc1 cc1plus collect2 f771 jc1 jvgenmain; do printf "%-10s : %s\n" $prog $(gcc -print-prog-name=$prog) done
gcc -print-prog-name=cpp
not find the path of cpp
. gcc -print-file-name=cpp
does find it.