"Tom Browder" <tom.browder@xxxxxxxxx> writes: > The recommended way to build gcc is to use a clean directory outside > the source tree somthing like this: > > mkdir build_dir > cd build_dir > /path/to/gcc_src/configure <options> > > I want to know if there is a preferred or defined way to refer to > "/path/to/gcc_src" in build scripts or configure inputs since > "$(srcdir)" seems to be locally defined per Makefile. Most Makefiles know where they are in the heirarchy, and thus do not require any special handling--they use $(srcdir)/.. or whatever. Where that is not the case, for libraries which are built using multilib, we use the make variable top_srcdir. E.g., libstdc++-v3/Makefile.am uses it. Ian
