revert "Root package should be noarch too".

add provides %%{name} for -devel subpkg.
add a note about why the mainpkg is arched.

This reverts commit 13e7304a27.

uthash.spec

@@ -1,3 +1,7 @@
+# This package builds a header-only lib, but has some testsuite to check
+# the headers' function.  For this reason the main-pkg is build arched and
+# produces a noarched subpkg, only.
+
 Name:           uthash
 Version:        1.9.9
 Release:        4%{?dist}
@@ -5,7 +9,6 @@ Summary:        A hash table for C structures
 License:        BSD
 URL:            http://troydhanson.github.io/uthash
 Source0:        https://github.com/troydhanson/%{name}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
-BuildArch:      noarch
 
 %description
 Any C structure can be stored in a hash table using uthash. Just add a
@@ -15,6 +18,7 @@ delete items from the hash table.
 
 %package        devel
 Summary:        Development files for %{name}
+Provides:       %{name} = %{version}-%{release}
 Provides:       %{name}-static = %{version}-%{release}
 BuildArch:      noarch
 
@@ -40,8 +44,10 @@ cd tests && make %{?_smp_mflags}
 %{_includedir}/ut*.h
 
 %changelog
-* Wed May 21 2014 Peter Robinson <pbrobinson@fedoraproject.org> 1.9.9-4
-- Root package should be noarch too
+* Thu May 22 2014 Björn Esser <bjoern.esser@gmail.com> - 1.9.9-4
+- revert "Root package should be noarch too".
+- add provides %%{name} for -devel subpkg.
+- add a note about why the mainpkg is arched.
 
 * Wed May 21 2014 Peter Robinson <pbrobinson@fedoraproject.org> 1.9.9-3
 - Build as noarch