Minor restructuring of distro specific parts

Signed-off-by: Egbert Eich <eich@suse.com>

rocsolver.spec

@@ -1,4 +1,8 @@
-%{rocm_set_libpackage_name rocsolver -s 0}
+%if 0%{?suse_version}
+%global rocsolver_name librocsolver0
+%else
+%global rocsolver_name rocsolver
+%endif
 
 %global upstreamname rocSOLVER
 %global rocm_release 6.4
@@ -52,7 +56,15 @@
 %bcond_with ninja
 %endif
 
-%rocm_set_ninja
+%if %{with ninja}
+%if 0%{!?suse_version:1}
+%global cmake_generator -G Ninja
+%else
+%global __builder ninja
+%endif
+%else
+%global cmake_generator %{nil}
+%endif
 
 # export an llvm compilation database
 # Useful for input for other llvm tools
@@ -109,9 +121,9 @@ BuildRequires:  pkgconfig(libzstd)
 %endif
 
 %if %{with test}
-BuildRequires:  gcc-fortran
 
 %if 0%{?suse_version}
+BuildRequires:  gcc-fortran
 BuildRequires:  gtest
 BuildRequires:  blas-devel-static
 BuildRequires:  lapack-devel-static
@@ -123,6 +135,7 @@ BuildRequires:  lapack-devel-static
 #     "/usr/lib64/libblas.so.3.12.0"
 
 %else
+BuildRequires:  gcc-gfortran
 BuildRequires:  gtest-devel
 BuildRequires:  blas-static
 BuildRequires:  lapack-static
@@ -282,7 +295,7 @@ fi
 
 %changelog
 * Tue Jun 17 2025 Egbert Eich <eich@suse.com> - 6.4.0-4
-- Use distro specific macros to hide some distribution differences.
+- Minor restructuring of distro specific parts
 
 * Thu Jun 12 2025 Tom Rix <Tom.Rix@amd.com> - 6.4.0-3
 - Add hip jobs