--- a/src/shared/shared.h
+++ b/src/shared/shared.h
@@ -18,6 +18,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdarg.h>
+#include <stdint.h>
 #include <signal.h>
 #include <errno.h>
 #include <assert.h>
--- a/data/sur/server.rb
+++ b/data/sur/server.rb
@@ -148,8 +148,8 @@
         #DataMapper::Model.raise_on_save_failure = true
 
         # Create database and store
-        DataMapper.auto_migrate!  unless File.exists?(DATABASE)
-        Dir.mkdir(REPOSITORY)     unless File.exists?(REPOSITORY)
+        DataMapper.auto_migrate!  unless File.exist?(DATABASE)
+        Dir.mkdir(REPOSITORY)     unless File.exist?(REPOSITORY)
 
         # Configure sinatra application
         set :port, port
--- a/Rakefile
+++ b/Rakefile
@@ -288,7 +288,7 @@
     end
 
     # Get revision
-    if File.exists?(".hg") and (hg = find_executable0("hg"))
+    if File.exist?(".hg") and (hg = find_executable0("hg"))
       match = `#{hg} tip`.match(/^[^:]+:\s*(\d+).*/)
 
       if !match.nil? and 2 == match.size