fix BuildRequires/Requires/Provides

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

libxml2.spec

@@ -13,11 +13,10 @@ Patch1:         libxml2-2.9.0-do-not-check-crc.patch
 #  http://bugs.python.org/issue23524
 Patch2:         libxml2-2.9.4-remove-pyverify_fd.patch
 
-BuildRequires:  python2-devel
-BuildRequires:  python3-devel
-BuildRequires:  zlib-devel
-BuildRequires:  pkgconfig
-BuildRequires:  xz-devel
+BuildRequires:  gcc
+BuildRequires:  cmake-rpm-macros
+BuildRequires:  pkgconfig(zlib)
+BuildRequires:  pkgconfig(liblzma)
 
 %description
 This library allows to manipulate XML files. It includes support
@@ -32,10 +31,9 @@ URI library.
 
 %package devel
 Summary:        Libraries, includes, etc. to develop XML and HTML applications
-Requires:       libxml2 = %{version}-%{release}
-Requires:       zlib-devel
-Requires:       xz-devel
-Requires:       pkgconfig
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+Requires:       zlib-devel%{?_isa}
+Requires:       xz-devel%{?_isa}
 
 %description devel
 Libraries, include files, etc you can use to develop XML applications.
@@ -51,7 +49,6 @@ URI library.
 
 %package static
 Summary:        Static library for libxml2
-Requires:       libxml2 = %{version}-%{release}
 
 %description static
 Static library for libxml2 provided for specific uses or shaving a few
@@ -60,7 +57,8 @@ microseconds when parsing, do not link to them for generic purpose packages.
 %package -n python2-%{name}
 %{?python_provide:%python_provide python2-%{name}}
 Summary:        Python bindings for the libxml2 library
-Requires:       libxml2 = %{version}-%{release}
+BuildRequires:  python2-devel
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 Obsoletes:      %{name}-python < %{version}-%{release}
 Provides:       %{name}-python = %{version}-%{release}
 
@@ -76,7 +74,8 @@ at parse time or later once the document has been modified.
 
 %package -n python3-%{name}
 Summary:        Python 3 bindings for the libxml2 library
-Requires:       libxml2 = %{version}-%{release}
+BuildRequires:  python3-devel
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 Obsoletes:      %{name}-python3 < %{version}-%{release}
 Provides:       %{name}-python3 = %{version}-%{release}