openbsd-ports/devel/cmake/patches/patch-Modules_MacroPushRequiredVars_cmake

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$OpenBSD: patch-Modules_MacroPushRequiredVars_cmake,v 1.1 2008/02/04 22:31:20 espie Exp $
--- Modules/MacroPushRequiredVars.cmake.orig Mon Feb 4 22:18:12 2008
+++ Modules/MacroPushRequiredVars.cmake Mon Feb 4 22:18:07 2008
@@ -0,0 +1,47 @@
+# this module defines two macros:
+# MACRO_PUSH_REQUIRED_VARS()
+# and
+# MACRO_POP_REQUIRED_VARS()
+# use these if you call cmake macros which use
+# any of the CMAKE_REQUIRED_XXX variables
+#
+# Usage:
+# MACRO_PUSH_REQUIRED_VARS()
+# SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -DSOME_MORE_DEF)
+# CHECK_FUNCTION_EXISTS(...)
+# MACRO_POP_REQUIRED_VARS()
+
+# Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+MACRO(MACRO_PUSH_REQUIRED_VARS)
+
+ IF(NOT DEFINED _PUSH_REQUIRED_VARS_COUNTER)
+ SET(_PUSH_REQUIRED_VARS_COUNTER 0)
+ ENDIF(NOT DEFINED _PUSH_REQUIRED_VARS_COUNTER)
+
+ MATH(EXPR _PUSH_REQUIRED_VARS_COUNTER "${_PUSH_REQUIRED_VARS_COUNTER}+1")
+
+ SET(_CMAKE_REQUIRED_INCLUDES_SAVE_${_PUSH_REQUIRED_VARS_COUNTER} ${CMAKE_REQUIRED_INCLUDES})
+ SET(_CMAKE_REQUIRED_DEFINITIONS_SAVE_${_PUSH_REQUIRED_VARS_COUNTER} ${CMAKE_REQUIRED_DEFINITIONS})
+ SET(_CMAKE_REQUIRED_LIBRARIES_SAVE_${_PUSH_REQUIRED_VARS_COUNTER} ${CMAKE_REQUIRED_LIBRARIES})
+ SET(_CMAKE_REQUIRED_FLAGS_SAVE_${_PUSH_REQUIRED_VARS_COUNTER} ${CMAKE_REQUIRED_FLAGS})
+ENDMACRO(MACRO_PUSH_REQUIRED_VARS)
+
+MACRO(MACRO_POP_REQUIRED_VARS)
+
+# don't pop more than we pushed
+ IF("${_PUSH_REQUIRED_VARS_COUNTER}" GREATER "0")
+
+ SET(CMAKE_REQUIRED_INCLUDES ${_CMAKE_REQUIRED_INCLUDES_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}})
+ SET(CMAKE_REQUIRED_DEFINITIONS ${_CMAKE_REQUIRED_DEFINITIONS_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}})
+ SET(CMAKE_REQUIRED_LIBRARIES ${_CMAKE_REQUIRED_LIBRARIES_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}})
+ SET(CMAKE_REQUIRED_FLAGS ${_CMAKE_REQUIRED_FLAGS_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}})
+
+ MATH(EXPR _PUSH_REQUIRED_VARS_COUNTER "${_PUSH_REQUIRED_VARS_COUNTER}-1")
+ ENDIF("${_PUSH_REQUIRED_VARS_COUNTER}" GREATER "0")
+
+ENDMACRO(MACRO_POP_REQUIRED_VARS)
+