docs/reference/meson.build: Check if perl is found

kjellahl · kjellahl · commit fcfe5c21e3fa · 2020-01-02T19:09:15.000+01:00
Don't use perl.path() when configuring Doxyfile, if perl is not found. Perl is not required, if build-documentation=false. Fixes #53
diff --git a/docs/reference/meson.build b/docs/reference/meson.build
@@ -43,7 +43,7 @@ doc_conf_data.set('abs_top_builddir', built_files_root)
 doc_conf_data.set('abs_top_srcdir', project_source_root)
 doc_conf_data.set('SIGCXX_API_VERSION', sigcxx_api_version)
 doc_conf_data.set('DOXYGEN_TAGFILES', doxygen_tagfiles)
-doc_conf_data.set('PERL', perl.path())
+doc_conf_data.set('PERL', perl.found() ? perl.path() : '')
 
 configure_file(
   input: 'Doxyfile.in',
