Add proxy definition for download

Depending of the network, proxies can
be necessary to go on internet
To allow download, keep proxies
environment variable

Signed-off-by: Maximilien Baumann <[email protected]>

Author: maximilien-baumann

classes/cargo_bin.bbclass

@@ -104,6 +104,9 @@ cargo_bin_do_compile() {
     export LDFLAGS=""
     export RUSTFLAGS="${RUSTFLAGS}"
     export SSH_AUTH_SOCK="${SSH_AUTH_SOCK}"
+    export https_proxy="${https_proxy}"
+    export http_proxy="${http_proxy}"
+    export no_proxy="${no_proxy}"
 
     # This "DO_NOT_USE_THIS" option of cargo is currently the only way to
     # configure a different linker for host and target builds when RUST_BUILD ==