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-rw-r--r--src/ci/docker/dist-x86-linux/Dockerfile6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/ci/docker/dist-x86-linux/Dockerfile b/src/ci/docker/dist-x86-linux/Dockerfile
index 3f6f71c41b5..282739ceebe 100644
--- a/src/ci/docker/dist-x86-linux/Dockerfile
+++ b/src/ci/docker/dist-x86-linux/Dockerfile
@@ -86,4 +86,10 @@ ENV RUST_CONFIGURE_ARGS \
       --enable-extended \
       --enable-sanitizers
 ENV SCRIPT python2.7 ../x.py dist --host $HOSTS --target $HOSTS
+
+# This is the only builder which will create source tarballs
 ENV DIST_SRC 1
+
+# When we build cargo in this container, we don't want it to use the system
+# libcurl, instead it should compile its own.
+ENV LIBCURL_NO_PKG_CONFIG 1