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@@ -7,26 +7,27 @@ CMakePushCheckState
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-This module defines three macros: CMAKE_PUSH_CHECK_STATE()
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-CMAKE_POP_CHECK_STATE() and CMAKE_RESET_CHECK_STATE() These macros can
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+This module defines three macros: ``CMAKE_PUSH_CHECK_STATE()``
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+``CMAKE_POP_CHECK_STATE()`` and ``CMAKE_RESET_CHECK_STATE()`` These macros can
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be used to save, restore and reset (i.e., clear contents) the state of
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-the variables CMAKE_REQUIRED_FLAGS, CMAKE_REQUIRED_DEFINITIONS,
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-CMAKE_REQUIRED_LIBRARIES, CMAKE_REQUIRED_INCLUDES and CMAKE_EXTRA_INCLUDE_FILES
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-used by the various Check-files coming with CMake, like e.g.
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-check_function_exists() etc. The variable contents are pushed on a
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-stack, pushing multiple times is supported. This is useful e.g. when
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-executing such tests in a Find-module, where they have to be set, but
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-after the Find-module has been executed they should have the same
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-value as they had before.
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-
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-CMAKE_PUSH_CHECK_STATE() macro receives optional argument RESET.
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-Whether it's specified, CMAKE_PUSH_CHECK_STATE() will set all
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-CMAKE_REQUIRED_* variables to empty values, same as
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-CMAKE_RESET_CHECK_STATE() call will do.
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+the variables ``CMAKE_REQUIRED_FLAGS``, ``CMAKE_REQUIRED_DEFINITIONS``,
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+``CMAKE_REQUIRED_LINK_OPTIONS``, ``CMAKE_REQUIRED_LIBRARIES``,
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+``CMAKE_REQUIRED_INCLUDES`` and ``CMAKE_EXTRA_INCLUDE_FILES`` used by the
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+various Check-files coming with CMake, like e.g. ``check_function_exists()``
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+etc.
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+The variable contents are pushed on a stack, pushing multiple times is
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+supported. This is useful e.g. when executing such tests in a Find-module,
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+where they have to be set, but after the Find-module has been executed they
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+should have the same value as they had before.
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+
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+``CMAKE_PUSH_CHECK_STATE()`` macro receives optional argument ``RESET``.
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+Whether it's specified, ``CMAKE_PUSH_CHECK_STATE()`` will set all
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+``CMAKE_REQUIRED_*`` variables to empty values, same as
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+``CMAKE_RESET_CHECK_STATE()`` call will do.
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Usage:
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-::
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+.. code-block:: cmake
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cmake_push_check_state(RESET)
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set(CMAKE_REQUIRED_DEFINITIONS -DSOME_MORE_DEF)
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@@ -42,6 +43,7 @@ macro(CMAKE_RESET_CHECK_STATE)
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set(CMAKE_EXTRA_INCLUDE_FILES)
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set(CMAKE_REQUIRED_INCLUDES)
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set(CMAKE_REQUIRED_DEFINITIONS)
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+ set(CMAKE_REQUIRED_LINK_OPTIONS)
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set(CMAKE_REQUIRED_LIBRARIES)
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set(CMAKE_REQUIRED_FLAGS)
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set(CMAKE_REQUIRED_QUIET)
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@@ -56,12 +58,13 @@ macro(CMAKE_PUSH_CHECK_STATE)
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math(EXPR _CMAKE_PUSH_CHECK_STATE_COUNTER "${_CMAKE_PUSH_CHECK_STATE_COUNTER}+1")
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- set(_CMAKE_EXTRA_INCLUDE_FILES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_EXTRA_INCLUDE_FILES})
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- set(_CMAKE_REQUIRED_INCLUDES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_INCLUDES})
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- set(_CMAKE_REQUIRED_DEFINITIONS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_DEFINITIONS})
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- set(_CMAKE_REQUIRED_LIBRARIES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_LIBRARIES})
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- set(_CMAKE_REQUIRED_FLAGS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_FLAGS})
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- set(_CMAKE_REQUIRED_QUIET_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_QUIET})
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+ set(_CMAKE_EXTRA_INCLUDE_FILES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_EXTRA_INCLUDE_FILES})
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+ set(_CMAKE_REQUIRED_INCLUDES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_INCLUDES})
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+ set(_CMAKE_REQUIRED_DEFINITIONS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_DEFINITIONS})
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+ set(_CMAKE_REQUIRED_LINK_OPTIONS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_LINK_OPTIONS})
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+ set(_CMAKE_REQUIRED_LIBRARIES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_LIBRARIES})
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+ set(_CMAKE_REQUIRED_FLAGS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_FLAGS})
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+ set(_CMAKE_REQUIRED_QUIET_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER} ${CMAKE_REQUIRED_QUIET})
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if (${ARGC} GREATER 0 AND "${ARGV0}" STREQUAL "RESET")
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cmake_reset_check_state()
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@@ -74,12 +77,13 @@ macro(CMAKE_POP_CHECK_STATE)
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# don't pop more than we pushed
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if("${_CMAKE_PUSH_CHECK_STATE_COUNTER}" GREATER "0")
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- set(CMAKE_EXTRA_INCLUDE_FILES ${_CMAKE_EXTRA_INCLUDE_FILES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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- set(CMAKE_REQUIRED_INCLUDES ${_CMAKE_REQUIRED_INCLUDES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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- set(CMAKE_REQUIRED_DEFINITIONS ${_CMAKE_REQUIRED_DEFINITIONS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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- set(CMAKE_REQUIRED_LIBRARIES ${_CMAKE_REQUIRED_LIBRARIES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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- set(CMAKE_REQUIRED_FLAGS ${_CMAKE_REQUIRED_FLAGS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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- set(CMAKE_REQUIRED_QUIET ${_CMAKE_REQUIRED_QUIET_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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+ set(CMAKE_EXTRA_INCLUDE_FILES ${_CMAKE_EXTRA_INCLUDE_FILES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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+ set(CMAKE_REQUIRED_INCLUDES ${_CMAKE_REQUIRED_INCLUDES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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+ set(CMAKE_REQUIRED_DEFINITIONS ${_CMAKE_REQUIRED_DEFINITIONS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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+ set(CMAKE_REQUIRED_LINK_OPTIONS ${_CMAKE_REQUIRED_LINK_OPTIONS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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+ set(CMAKE_REQUIRED_LIBRARIES ${_CMAKE_REQUIRED_LIBRARIES_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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+ set(CMAKE_REQUIRED_FLAGS ${_CMAKE_REQUIRED_FLAGS_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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+ set(CMAKE_REQUIRED_QUIET ${_CMAKE_REQUIRED_QUIET_SAVE_${_CMAKE_PUSH_CHECK_STATE_COUNTER}})
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math(EXPR _CMAKE_PUSH_CHECK_STATE_COUNTER "${_CMAKE_PUSH_CHECK_STATE_COUNTER}-1")
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endif()
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