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='2020-03-29 11:35:04 +0200'>2020-03-29</span></td><td><a href='/guix/commit/gnu/packages/patches/qtbase-moc-ignore-gcc-macro.patch?id=26e92a3025513ec8e2b243cf819a7526a5d8d7c3'>gnu: qtbase: Patch the 'moc' executable to cope with GCCs C++ headers.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/qtbase-moc-ignore-gcc-macro.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/qt.scm (qtbase)[source](patches): Add it.
</span></span></td><td>Marius Bakke</td></tr>