diff -pruN hedgewars-src-0.9.15.orig/hedgewars/CMakeLists.txt hedgewars-src-0.9.15/hedgewars/CMakeLists.txt
--- hedgewars-src-0.9.15.orig/hedgewars/CMakeLists.txt	2011-01-09 10:35:55.517391736 +0000
+++ hedgewars-src-0.9.15/hedgewars/CMakeLists.txt	2011-01-09 10:45:01.600213735 +0000
@@ -150,6 +150,7 @@ endif()
 set(pascal_compiler ${fpc_executable})
 set(pascal_compiler_flags ${noexecstack_flags} ${pascal_compiler_flags_cmn} ${hwengine_project})
 
+set(pascal_compiler_flags "-O3" "-Xs" "-XD" "-Fu/usr/lib/fpc/2.4.4/units/i386-linux/opengl" ${pascal_compiler_flags})
 
 #DEPENDECIES AND EXECUTABLES SECTION
 IF(NOT APPLE OR BUILD_ENGINE_LIBRARY)