Backport novendor feature from PR#125

libbpf-rs-fix-metadata.diff

@@ -1,5 +1,5 @@
 --- libbpf-rs-0.11.2/Cargo.toml	1970-01-01T00:00:00+00:00
-+++ libbpf-rs-0.11.2/Cargo.toml	2021-07-29T17:41:12.724390+00:00
++++ libbpf-rs-0.11.2/Cargo.toml	2021-07-30T23:15:06.060289+00:00
 @@ -28,7 +28,7 @@
  version = "0.4.0-2"
  
@@ -9,3 +9,10 @@
  
  [dependencies.num_enum]
  version = "0.5"
+@@ -51,3 +51,6 @@
+ version = "1.1"
+ [badges.maintenance]
+ status = "actively-developed"
++
++[features]
++novendor = ["libbpf-sys/novendor"]

rust-libbpf-rs.spec

@@ -14,7 +14,7 @@ Summary:        Safe, idiomatic, and opinionated wrapper around libbpf-sys
 License:        LGPLv2 or BSD
 URL:            https://crates.io/crates/libbpf-rs
 Source:         %{crates_source}
-# Downgrade nix to 0.20
+# Downgrade nix to 0.20, backport novendor feature from PR#125
 Patch0:         libbpf-rs-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
@@ -55,6 +55,18 @@ which use "default" feature of "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
+%package     -n %{name}+novendor-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+novendor-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "novendor" feature of "%{crate}" crate.
+
+%files       -n %{name}+novendor-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep