"Philip A. Prindeville" <philipp_subx@xxxxxxxxxxxxxxxxxxxxx> writes: > * how (on a somewhat hinky, tweaked compiler) do I figure out where it looks for system headers by default? gcc -v will show you this when compiling a file. > * and when additional arguments get added (--sysroot, -isysroot, -isystem, -iquote, etc) how do I figure out where the compiler is looking for headers and libraries (short of "strace -f -e trace=open,stat,fstat,lstat,access gcc ...")? Same answer. Ian