> > This patch enhances config/zlib.m4 to introduce an extra option > > --with-libz-prefix which allows us to provide the location of > > the zlib library we want to use during the build. > > I prefer the gcc way to provide external library: > > --with-zlib -> system zlib used > --with-zlib=pathname -> zlib from pathname is used
Unfortunately, we took a different route with GDB (with-...-prefix). For instance: --with-libiconv-prefix --with-liblzma-prefix --with-libbabeltrace-prefix We already have a really nice macro that takes care of a lot of configury for us with respect to lib depenencies, which I see in gcc's root configure.ac that gmp/mpfr/mpc options is done via specific code. What I'm getting at is that, to achieve your prefered option (which I agree is more elegant), it would take a significant effort. -- Joel