use <1599 to capture all Leaps

OBS-URL: https://build.opensuse.org/package/show/utilities/cpu-x?expand=0&rev=29

cpu-x.spec

@@ -26,7 +26,7 @@ Group:          System/X11/Utilities
 URL:            https://github.com/TheTumultuousUnicornOfDarkness/CPU-X
 Source:         https://github.com/TheTumultuousUnicornOfDarkness/CPU-X/archive/refs/tags/v%version.tar.gz
 Patch1:         no-no-pie.patch
-%if 0%{suse_version} == 1500
+%if 0%{suse_version} < 1599
 BuildRequires:  gcc13
 BuildRequires:  gcc13-c++
 %endif
@@ -89,12 +89,10 @@ Shell completion definitions from %name for %name.
 %autosetup -p1 -n %src_name
 
 %build
-%if 0%{suse_version} == 1500
-export CC=gcc-13
-export CXX=g++-13
+%if 0%{suse_version} < 1599
+export CC=gcc-13 CXX=g++-13
 %endif
-%cmake \
-  -DWITH_OPENCL=1
+%cmake -DWITH_OPENCL=1
 %cmake_build
 
 %install