rust/Makefile: add Cargo.toml as make dependency

This will force Cargo.toml to be recreated if Cargo.toml.in
is modified.

diff --git a/rust/Makefile.am b/rust/Makefile.am
index 9247012656bf4331605a785b06d7ad90494bbc29..f10690a712281990936054fa3d3a23de64f85366 100644 (file)
--- a/rust/Makefile.am
+++ b/rust/Makefile.am
@@ -31,7 +31,7 @@ if RUST_CROSS_COMPILE
 RUST_TARGET = --target $(host_triplet)
 endif
 
-all-local:
+all-local: Cargo.toml
 if HAVE_CYGPATH
        @rustup_home@ \
                CARGO_HOME="$(CARGO_HOME)" \