Add FindLua51 for hardy

mudlet/prealpha1/mudlet/src/cmake/FindLua51.cmake

@@ -0,0 +1,63 @@
+# Locate Lua library
+# This module defines
+#  LUA51_FOUND, if false, do not try to link to Lua 
+#  LUA_LIBRARIES
+#  LUA_INCLUDE_DIR, where to find lua.h 
+#
+# Note that the expected include convention is
+#  #include "lua.h"
+# and not
+#  #include <lua/lua.h>
+# This is because, the lua location is not standardized and may exist
+# in locations other than lua/
+
+
+FIND_PATH(LUA_INCLUDE_DIR lua.h
+  HINTS
+  $ENV{LUA_DIR}
+  PATH_SUFFIXES include/lua51 include/lua5.1 include/lua include
+  PATHS
+  ~/Library/Frameworks
+  /Library/Frameworks
+  /usr/local
+  /usr
+  /sw # Fink
+  /opt/local # DarwinPorts
+  /opt/csw # Blastwave
+  /opt
+)
+
+FIND_LIBRARY(LUA_LIBRARY 
+  NAMES lua51 lua5.1 lua
+  HINTS
+  $ENV{LUA_DIR}
+  PATH_SUFFIXES lib64 lib
+  PATHS
+  ~/Library/Frameworks
+  /Library/Frameworks
+  /usr/local
+  /usr
+  /sw
+  /opt/local
+  /opt/csw
+  /opt
+)
+
+IF(LUA_LIBRARY)
+  # include the math library for Unix
+  IF(UNIX AND NOT APPLE)
+    FIND_LIBRARY(LUA_MATH_LIBRARY m)
+    SET( LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}" CACHE STRING "Lua Libraries")
+  # For Windows and Mac, don't need to explicitly include the math library
+  ELSE(UNIX AND NOT APPLE)
+    SET( LUA_LIBRARIES "${LUA_LIBRARY}" CACHE STRING "Lua Libraries")
+  ENDIF(UNIX AND NOT APPLE)
+ENDIF(LUA_LIBRARY)
+
+INCLUDE(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if 
+# all listed variables are TRUE
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua51  DEFAULT_MSG  LUA_LIBRARIES LUA_INCLUDE_DIR)
+
+MARK_AS_ADVANCED(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_MATH_LIBRARY)
+