Search notes:

gcc -print-prog-name

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

TODO

Why does gcc -print-prog-name=cpp not find the path of cpp. gcc -print-file-name=cpp does find it.

See also

gcc --print-search-dirs
gcc -B…
GCC options

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/developm...', 1759398084, '216.73.216.42', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/languages/C-C-plus-plus/GCC/options/print/prog-name(52): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78