Description of problem:

gsl-devel unnecessarily (and improperly) Requires installation of 'gsl'

Version-Release number of selected component (if applicable):

1.12-3

How reproducible:

A. Rebuild Current rawhide version

B. [herrold@centos-5 drosenthal]$ sudo rpm -Uvh /home/herrold/rpmbuild/RPMS/x86_64/gsl-devel-1.12-3orc.x86_64.rpm
Password:
error: Failed dependencies:
        gsl = 1.12-3orc is needed by gsl-devel-1.12-3orc.x86_64
        libgsl.so.0()(64bit) is needed by gsl-devel-1.12-3orc.x86_64
        libgslcblas.so.0()(64bit) is needed by gsl-devel-1.12-3orc.x86_64
[herrold@centos-5 drosenthal]$

Steps to Reproduce:

as above
  
Actual results:

as above

Expected results:

no Require on GSL

Additional info:

see:  https://fedoraproject.org/wiki/Packaging/Guidelines#Explicit_Requires

  Explicit Requires

Packages must not contain explicit Requires on libraries except when absolutely necessary. When explicit library Requires are necessary, there should be a spec file comment justifying it.

We generally rely on rpmbuild to automatically add dependencies on library SONAMEs ...