Adapt to new packaging

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

libc-fix-metadata.diff

@@ -0,0 +1,10 @@
+--- libc-0.2.43/Cargo.toml	1970-01-01T01:00:00+01:00
++++ libc-0.2.43/Cargo.toml	2018-10-26T22:48:53.137031+02:00
+@@ -20,6 +20,7 @@
+ readme = "README.md"
+ license = "MIT/Apache-2.0"
+ repository = "https://github.com/rust-lang/libc"
++exclude = ["/ci/*", "/.travis.yml", "/appveyor.yml"]
+ 
+ [features]
+ align = []

rust-libc.spec

@@ -7,32 +7,78 @@
 
 Name:           rust-%{crate}
 Version:        0.2.43
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Library for types and bindings to native C functions
 
+# Upstream license specification: MIT/Apache-2.0
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/libc
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+# Initial patched metadata
+# * Exclude CI files, https://github.com/rust-lang/libc/pull/1107
+Patch0:         libc-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 BuildRequires:  glibc-devel
 
-%description
-%{summary}.
+%global _description \
+A library for types and bindings to native C functions often found in libc or\
+other common platform libraries.
+
+%description %{_description}
 
 %package        devel
 Summary:        %{summary}
 Requires:       glibc-devel
 BuildArch:      noarch
 
-%description    devel
-A library for types and bindings to native C functions often found in libc or
-other common platform libraries.
+%description    devel %{_description}
+
+This package contains library source intended for building other packages
+which use "%{crate}" crate.
+
+%files          devel
+%license LICENSE-MIT LICENSE-APACHE
+%doc README.md
+%{cargo_registry}/%{crate}-%{version}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
 
 This package contains library source intended for building other packages
-which use %{crate} from crates.io.
+which use "default" feature of "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
+
+%package     -n %{name}+align-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+align-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "align" feature of "%{crate}" crate.
+
+%files       -n %{name}+align-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
+
+%package     -n %{name}+use_std-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+use_std-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "use_std" feature of "%{crate}" crate.
+
+%files       -n %{name}+use_std-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version} -p1
@@ -49,13 +95,10 @@ which use %{crate} from crates.io.
 %cargo_test
 %endif
 
-%files          devel
-%license LICENSE-MIT LICENSE-APACHE
-%doc README.md
-%{cargo_registry}/%{crate}-%{version}/
-%exclude %{cargo_registry}/%{crate}-%{version}/{appveyor.yml,ci}
-
 %changelog
+* Fri Oct 26 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.2.43-3
+- Adapt to new packaging
+
 * Sun Oct 07 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.2.43-2
 - Run tests in infrastructure