On Fri, Apr 25, 2025 at 8:51 AM Nikolaos Chatzikonstantinou <nchatz...@gmail.com> wrote: > > On Fri, Apr 25, 2025 at 6:33 AM Bruno Haible <br...@clisp.org> wrote: > > > > Nikolaos Chatzikonstantinou wrote: > > > > One problem I see with Rust is that currently it does not integrate well > > > > with the GNU Build system, in particular with VPATH builds (see [3] for > > > > an example integration). Any improvements on that front would be > > > > welcome. > > > > > > > > [3] > > > > https://git.savannah.gnu.org/gitweb/?p=gettext.git;a=tree;f=gettext-tools/examples/hello-rust;hb=HEAD > > > > > > What is the issue with VPATH builds? > > > > The issue is that 'cargo' mandates a certain directory layout of the > > package, that is incompatible with VPATH builds. > > In the comments of configure.ac hello-rust claims to solve this issue > though, is that not enough? I noticed that you're the author of it, so > you must have something in mind.
Ah, here's a cheating solution: mkdir -p "$BUILD_DIR" && cd "$BUILD_DIR" ln -s "$SOURCE_DIR" $(basename "$SOURCE_DIR") printf "[workspace]\nmembers = [ \"$SOURCE_DIR\" ]\n" > "Cargo.toml" cargo build In the above, SOURCE_DIR is set to the root of the source directory and BUILD_DIR should be the VPATH directory. Works like a charm! Regards, Nikolaos Chatzikonstantinou
