File fix-fastcgi-include.patch of Package qgis
--- qgis-3.18.0/src/server/qgis_map_serv.cpp.orig 2021-02-24 17:05:17.609036243 +0100 +++ qgis-3.18.0/src/server/qgis_map_serv.cpp 2021-02-24 17:05:31.697185106 +0100 @@ -23,7 +23,7 @@ #include "qgsfcgiserverrequest.h" #include "qgsapplication.h" -#include <fcgi_stdio.h> +#include <fastcgi/fcgi_stdio.h> #include <cstdlib> #include <QFontDatabase>