Minor restructuring of distro specific parts

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

rocsolver.spec

@@ -57,8 +57,12 @@
 %endif
 
 %if %{with ninja}
+%if 0%{!?suse_version:1}
 %global cmake_generator -G Ninja
 %else
+%global __builder ninja
+%endif
+%else
 %global cmake_generator %{nil}
 %endif
 
@@ -73,7 +77,7 @@
 
 Name:           %{rocsolver_name}
 Version:        %{rocm_version}
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Next generation LAPACK implementation for ROCm platform
 Url:            https://github.com/ROCm/rocSOLVER
 
@@ -106,6 +110,11 @@ BuildRequires:  rocm-runtime-devel
 BuildRequires:  rocm-rpm-macros
 BuildRequires:  rocprim-devel
 BuildRequires:  rocsparse-devel
+%if 0%{?suse_version}
+%{?with_ninja:BuildRequires:  ninja}
+%else
+%{?with_ninja:BuildRequires:  ninja-devel}
+%endif
 
 %if %{with compress}
 BuildRequires:  pkgconfig(libzstd)
@@ -134,16 +143,6 @@ BuildRequires:  lapack-static
 
 %endif
 
-%if %{with ninja}
-%if 0%{?fedora}
-BuildRequires:  ninja-build
-%endif
-%if 0%{?suse_version}
-BuildRequires:  ninja
-%define __builder ninja
-%endif
-%endif
-
 Provides:       rocsolver = %{version}-%{release}
 
 %description
@@ -241,7 +240,7 @@ if [ "$LINK_JOBS" -lt "$JOBS" ]; then
     JOBS=$LINK_JOBS
 fi
 
-%cmake %{cmake_generator} \
+%cmake %{?cmake_generator} \
     -DCMAKE_CXX_COMPILER=hipcc \
     -DCMAKE_C_COMPILER=hipcc \
     -DCMAKE_LINKER=%rocmllvm_bindir/ld.lld \
@@ -295,6 +294,9 @@ fi
 %endif
 
 %changelog
+* Tue Jun 17 2025 Egbert Eich <eich@suse.com> - 6.4.0-4
+- Minor restructuring of distro specific parts
+
 * Thu Jun 12 2025 Tom Rix <Tom.Rix@amd.com> - 6.4.0-3
 - Add hip jobs
 - Remove suse if check for ldconfig