https://sources.debian.org/data/main/r/rust-openssl-sys/0.9.53-1/debian/patches/disable-vendor.patch
"MIT" licensed according to debian/copyright file
slightly modified to only change the vendored openssl-src dependency

--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,14 +31,11 @@
 [build-dependencies.cc]
 version = "1.0"
 
-[build-dependencies.openssl-src]
-version = "111.0.1"
-optional = true
-
 [build-dependencies.pkg-config]
 version = "0.3.9"
 
 [features]
 vendored = ["openssl-src"]
+openssl-src = []
 [target."cfg(target_env = \"msvc\")".build-dependencies.vcpkg]
 version = "0.2"

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<tr><td><span title='2019-11-20 21:23:19 +0200'>2019-11-20</span></td><td><a href='/guix/commit/gnu/services/sysctl.scm?id=77ed06a8bf049827c45e6208475ac9527eb423ea'>services: sysctl: Make service one-shot.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-07-18 20:16:03 +0800'>2017-07-18</span></td><td><a href='/guix/commit/gnu/services/sysctl.scm?id=172b3e2cc2d0384970c362e46af8231c63b0b004'>services: sysctl: Fix typo.</a><span class='msg-avail'>...</span></td><td>宋文武</td></tr>
<tr><td><span title='2017-07-04 20:40:51 +0800'>2017-07-04</span></td><td><a href='/guix/commit/gnu/services/sysctl.scm?id=296bf4d5ab1cf7822956205b6d266c2c67ce056c'>services: Add 'sysctl-service-type'.</a><span class='msg-avail'>...</span></td><td>宋文武</td></tr>