Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
/usr/lib/gcc/x86_64-redhat-linux/15/include/omp.h:557:1: error: template with C linkage
  557 | template&lt;typename __T&gt;
      | ^~~~~~~~
/builddir/build/BUILD/darktable-5.0.1-build/darktable-5.0.1/src/imageio/format/imageio_format_api.h:24:1: note: ‘extern "C"’ linkage started here
   24 | extern "C" {
      | ^~~~~~~~~~
[ 97%] Linking C shar
Use of C++ in scope defined as C code