After added the following two environment variables, the mod_mono build also passes. export CFLAGS=-I/usr/include/apache2 export CPPFLAGS=-I/usr/include/apache2 -- View this message in context: http://www.nabble.com/Problems-with-compiling-mod-mono-tp24343364p24367921.html Sent from the Mono - General mailing list archive at Nabble.com.