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authorRolf Eike Beer <eike@sf-mail.de>2012-01-25 22:39:21 (GMT)
committerRolf Eike Beer <eike@sf-mail.de>2012-01-26 08:07:53 (GMT)
commit49b69add60d6fcd56688e276c3a4010759dade05 (patch)
treeb115340ac9db0c5925ed67d5b0caaca5634f7172 /Modules/FindLua51.cmake
parent208569f1da0cf2c481f4b377ad4fe542a3a74e2a (diff)
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FindLua51: add version support
Diffstat (limited to 'Modules/FindLua51.cmake')
-rw-r--r--Modules/FindLua51.cmake14
1 files changed, 12 insertions, 2 deletions
diff --git a/Modules/FindLua51.cmake b/Modules/FindLua51.cmake
index 123fd5d..b67dd4c 100644
--- a/Modules/FindLua51.cmake
+++ b/Modules/FindLua51.cmake
@@ -2,7 +2,8 @@
# This module defines
# LUA51_FOUND, if false, do not try to link to Lua
# LUA_LIBRARIES
-# LUA_INCLUDE_DIR, where to find lua.h
+# LUA_INCLUDE_DIR, where to find lua.h
+# LUA_VERSION_STRING, the version of Lua found (since CMake 2.8.8)
#
# Note that the expected include convention is
# #include "lua.h"
@@ -66,10 +67,19 @@ IF(LUA_LIBRARY)
ENDIF(UNIX AND NOT APPLE)
ENDIF(LUA_LIBRARY)
+IF(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h")
+ FILE(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua .+\"")
+
+ STRING(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}")
+ UNSET(lua_version_str)
+ENDIF()
+
INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
# 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)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua51
+ REQUIRED_VARS LUA_LIBRARIES LUA_INCLUDE_DIR
+ VERSION_VAR LUA_VERSION_STRING)
MARK_AS_ADVANCED(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_MATH_LIBRARY)