Fix version system so it doesn't cause the entire build tree to get rebuilt just because version.h gets regenerated, thanks to Adam for initial patch.

include/CMakeLists.txt

@@ -6,7 +6,7 @@ set_target_properties(version PROPERTIES LINKER_LANGUAGE CXX LINK_FLAGS "${LDFLA
 # Modify version.h from the above executable, with dependencies to the given headers, version.cpp, and all source files in the main Anope build
 add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/version.h
   COMMAND version ${Anope_SOURCE_DIR}/src/version.sh ${CMAKE_CURRENT_SOURCE_DIR}/version.h
-  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/services.h ${CMAKE_CURRENT_SOURCE_DIR}/version.cpp ${SRC_SRCS}
+  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/version.cpp ${SRC_SRCS}
 )
 # Add version to list of files for CPack to ignore
 get_target_property(version_BINARY version LOCATION)

include/module.h

@@ -5,6 +5,5 @@
 #include "commands.h"
 #include "language.h"
 #include "modules.h"
-#include "version.h"
 
 #endif // MODULE_H

include/modules.h

@@ -17,7 +17,6 @@
 #include <stdio.h>
 #include "timers.h"
 #include "hashcomp.h"
-#include "version.h"
 #include "commands.h"
 
 /* Cross OS compatibility macros */
@@ -291,7 +290,7 @@ class CoreExport Module
 	 * compiled against
 	 * @return The version
 	 */
-	Version GetVersion() { return Version(VERSION_MAJOR, VERSION_MINOR, VERSION_BUILD); }
+	Version GetVersion();
 
 	/**
 	 * Allow a module to add a set of language strings to anope

include/services.h

@@ -16,7 +16,6 @@
 
 /*************************************************************************/
 
-#include "version.h"
 #include "sysconf.h"
 
 #define BUFSIZE 1024
@@ -364,7 +363,7 @@ inline const std::string stringify(const T &x)
 
 	if (!(stream << x))
 		throw CoreException("Stringify fail");
-	
+
 	return stream.str();
 }
 
@@ -1055,15 +1054,9 @@ class CoreExport Anope
  private:
 	static const char * const compiled;
  public:
-	static inline const std::string Version()
-	{
-		return stringify(VERSION_MAJOR) + "." + stringify(VERSION_MINOR) + "." + stringify(VERSION_PATCH) + VERSION_EXTRA " (" + stringify(VERSION_BUILD) + ")";
-	}
+	static std::string Version();
 
-	static inline const std::string Build()
-	{
-		return "build #" + stringify(BUILD) + ", compiled " + compiled;
-	}
+	static std::string Build();
 
 	/** Check whether two strings match.
 	 * @param str The string to check against the pattern (e.g. foobar)

include/version.cpp

@@ -9,6 +9,7 @@
  * Based on the original code of Services by Andy Church.
  */
 
+#include <cstdlib>
 #include <iostream>
 #include <fstream>
 #include <sstream>