Fix pkgconfig request on rhel

petsc.spec

@@ -125,7 +125,7 @@
 Name:    petsc
 Summary: Portable Extensible Toolkit for Scientific Computation
 Version: %{releasever}.3
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: BSD
 URL:     https://www.mcs.anl.gov/petsc
 Source0: http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/petsc-%{version}.tar.gz
@@ -180,7 +180,11 @@ modeled by partial differential equations.
 %package devel
 Summary:    Portable Extensible Toolkit for Scientific Computation (developer files)
 Requires:   %{name}%{?_isa} = %{version}-%{release}
-Requires:   pkgconf
+%if 0%{?rhel}
+Requires: pkgconfig
+%else
+Requires: pkgconf
+%endif
 %description devel
 Portable Extensible Toolkit for Scientific Computation (developer files).
 
@@ -211,7 +215,11 @@ modeled by partial differential equations (64bit INTEGER).
 %package -n petsc64-devel
 Requires:   %{name}64%{?_isa} = %{version}-%{release}
 Requires:   gcc-gfortran%{?_isa}
-Requires:   pkgconf
+%if 0%{?rhel}
+Requires: pkgconfig
+%else
+Requires: pkgconf
+%endif
 Summary: Portable Extensible Toolkit for Scientific Computation (64bit INTEGER)
 
 %description -n petsc64-devel
@@ -1052,6 +1060,9 @@ make -C buildmpich_dir test
 %endif
 
 %changelog
+* Tue Feb 06 2018 Antonio Trande <sagitter@fedoraproject.org> - 3.8.3-4
+- Fix pkgconfig request on rhel
+
 * Sun Feb 04 2018 Antonio Trande <sagitter@fedoraproject.org> - 3.8.3-3
 - cgns/hdf5 support enabled (bz#1541616)