https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86682
--- Comment #4 from dschinn1001 <cv.schmitt at gmail dot com> --- Hello, thx for your answers, I was wondering too about a missing header-file AND apparently gcc is in different folder than in /usr/local2/bin/gcc ... whereis query reports: linux@unix ~ $ whereis gcc gcc: /usr/bin/gcc /usr/lib64/gcc /usr/share/man/man1/gcc.1 /usr/share/info/gcc.info I try again with /usr/bin/gcc - please wait a moment ...