File project.diff of Package llvm19

--- llvm19.spec.orig
+++ llvm19.spec
@@ -75,7 +75,7 @@
 # Leap 15 and SLES 15 defaults to GCC 7, which does not have stable C++17 ABI.
 # See https://bugzilla.suse.com/show_bug.cgi?id=1235697
 %if 0%{?suse_version} < 1600
-%define gcc_version 13
+%define gcc_version 14
 %endif
 
 %if %{suse_version} > 1600
@@ -452,7 +452,7 @@ BuildRequires:  cmake >= 3.13.4
 BuildRequires:  fdupes
 BuildRequires:  gcc%{?gcc_version} >= 9
 BuildRequires:  gcc%{?gcc_version}-c++ >= 9
-BuildRequires:  libstdc++-devel
+BuildRequires:  libstdc++6-devel-gcc%{?gcc_version}
 BuildRequires:  ninja
 BuildRequires:  pkgconfig
 BuildRequires:  python-rpm-macros
@@ -499,7 +499,7 @@ Requires:       libomp%{_sonum}-devel
 %endif
 Requires:       libLLVM%{_sonum} = %{version}
 Requires:       libLTO%{_sonum} = %{version}
-Requires:       libstdc++-devel
+Requires:       libstdc++6-devel-gcc%{?gcc_version}
 Requires:       libtool
 Requires:       llvm%{_sonum}-gold
 %if %{with polly}
@@ -553,9 +553,10 @@ Requires:       libclang_rt%{_sonum}
 Requires(post): update-alternatives
 Requires(postun): update-alternatives
 Recommends:     clang-tools
-Recommends:     gcc
+Recommends:     gcc%{?gcc_version}
+Recommends:     gcc%{?gcc_version}-c++
 Recommends:     glibc-devel
-Recommends:     libstdc++-devel
+Requires:       libstdc++6-devel-gcc%{?gcc_version}
 Suggests:       clang%{_sonum}-doc
 Suggests:       libc++-devel