(svn r7759) -Merge: makefile rewrite. This merge features:

- A proper ./configure, so everything needs to be configured only once, not for every make.
 - Usage of makedepend when available. This greatly reduces the time needed for generating the dependencies.
 - A generator for all project files. There is a single file with sources, which is used to generate Makefiles and the project files for MSVC.
 - Proper support for OSX universal binaries.
 - Object files for non-MSVC compiles are also placed in separate directories, making is faster to switch between debug and release compiles and it does not touch the directory with the source files.
 - Functionality to make a bundle of all needed files for for example a nightly or distribution of a binary with all needed GRFs and language files.

Note: as this merge moves almost all files, it is recommended to make a backup of your working copy before updating your working copy.

src/thread.h

@@ -0,0 +1,14 @@
+/* $Id$ */
+
+#ifndef THREAD_H
+#define THREAD_H
+
+typedef struct OTTDThread OTTDThread;
+
+typedef void* (*OTTDThreadFunc)(void*);
+
+OTTDThread* OTTDCreateThread(OTTDThreadFunc, void*);
+void*       OTTDJoinThread(OTTDThread*);
+void        OTTDExitThread(void);
+
+#endif /* THREAD_H */