[librsvg] Makefile.am: Call "cargo --locked" so it won't try to update the lockfile inadvertently

[Federico Mena Quintero <federico src gnome org>]

commit 0cec3d1ae00ad9c9ba0767660426fd9128653d48
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Feb 15 18:27:46 2019 -0600

    Makefile.am: Call "cargo --locked" so it won't try to update the lockfile inadvertently
    
    Especially during "make distcheck", when the srcdir is read-only and
    trying to write to the lockfile will fail.
    
    The idea is to "cargo update" by hand, anyway.

 Makefile.am | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index e4e10ce5..f839bbaa 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -143,7 +143,7 @@ CARGO_TARGET_DIR=@abs_top_builddir@/target
 
 check-local:
        cd $(srcdir) && \
-       CARGO_TARGET_DIR=$(CARGO_TARGET_DIR) $(CARGO) test $(CARGO_VERBOSE) $(CARGO_TARGET_ARGS) 
$(CARGO_RELEASE_ARGS)
+       CARGO_TARGET_DIR=$(CARGO_TARGET_DIR) $(CARGO) --locked test $(CARGO_VERBOSE) $(CARGO_TARGET_ARGS) 
$(CARGO_RELEASE_ARGS)
 
 clean-local:
        cd $(top_srcdir) && \
@@ -167,7 +167,7 @@ $(RUST_LIB): $(RUST_SRC)
        PKG_CONFIG_ALLOW_CROSS=1                                                \
        PKG_CONFIG='$(PKG_CONFIG)'                                              \
        CARGO_TARGET_DIR=$(CARGO_TARGET_DIR)                                    \
-       $(CARGO) build $(CARGO_VERBOSE) $(CARGO_TARGET_ARGS) $(CARGO_RELEASE_ARGS)
+       $(CARGO) --locked build $(CARGO_VERBOSE) $(CARGO_TARGET_ARGS) $(CARGO_RELEASE_ARGS)
 
 librsvg_@RSVG_API_MAJOR_VERSION@_la_CPPFLAGS = \
        -I$(top_srcdir)                         \