Ken McFarlane wrote: > ...build]# make install > > After these commands, there were some executables in /opt/gcc42/bin, > but no include files in /opt/gcc42/include. Under /opt/gcc42/lib > there was libiberty.a and a subdir gcc. This subdirectory contained > another subdirectory > x86_64-unknown-linux-gnu. > gcc's own include directory should be under the x86_64 directory. /opt/gcc42/bin/gcc -print-search-dirs should show you all gcc's own search paths.