diff -rupN widelands-build16-src-old/CMakeLists.txt widelands-build16-src/CMakeLists.txt
--- widelands-build16-src-old/CMakeLists.txt	2011-04-15 20:40:26.000000000 +0200
+++ widelands-build16-src/CMakeLists.txt	2011-05-02 16:19:56.000000000 +0200
@@ -260,6 +260,12 @@ find_package(GGZ_Core REQUIRED)
 include_directories(${GGZ_CORE_INCLUDE_DIR})
 add_definitions("-DUSE_GGZ")
 
+#on freeBSD this must be explicitely linked
+if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") 
+  find_library(EXECINFO_LIBRARY NAMES execinfo)
+endif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+
+
 # Check for opengl
 # TODO Check for SDL_opengl.h and add to include path
 find_package(OpenGL)
diff -rupN widelands-build16-src-old/src/CMakeLists.txt widelands-build16-src/src/CMakeLists.txt
--- widelands-build16-src-old/src/CMakeLists.txt	2011-04-15 20:40:26.000000000 +0200
+++ widelands-build16-src/src/CMakeLists.txt	2011-05-02 16:20:13.000000000 +0200
@@ -115,6 +115,9 @@ target_link_libraries(widelands_all ${ZL
 target_link_libraries(widelands_all ${GGZ_CORE_LIBRARY})
 target_link_libraries(widelands_all ${OPENGL_gl_LIBRARY})
 target_link_libraries(widelands_all ${GLEW_LIBRARY})
+if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") 
+  target_link_libraries(widelands_all ${EXECINFO_LIBRARY})
+endif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
 
 if (DEFINED WL_EXTRA_LINK_LIBRARIES)
   target_link_libraries(widelands_all ${WL_EXTRA_LINK_LIBRARIES})
diff -rupN widelands-build16-src-old/src/io/filesystem/disk_filesystem.cc widelands-build16-src/src/io/filesystem/disk_filesystem.cc
--- widelands-build16-src-old/src/io/filesystem/disk_filesystem.cc	2011-04-15 20:40:26.000000000 +0200
+++ widelands-build16-src/src/io/filesystem/disk_filesystem.cc	2011-05-02 15:35:18.000000000 +0200
@@ -439,7 +439,7 @@ void * RealFSImpl::fastLoad
 #ifdef __APPLE__
 	file = open(fullname.c_str(), O_RDONLY);
 #else
-	file = open(fullname.c_str(), O_RDONLY|O_NOATIME);
+	file = open(fullname.c_str(), O_RDONLY);
 #endif
 	length = lseek(file, 0, SEEK_END);
 	lseek(file, 0, SEEK_SET);