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Diffstat (limited to 'share/cmake-3.16/Modules/CheckVariableExists.cmake')
-rw-r--r-- | share/cmake-3.16/Modules/CheckVariableExists.cmake | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/share/cmake-3.16/Modules/CheckVariableExists.cmake b/share/cmake-3.16/Modules/CheckVariableExists.cmake deleted file mode 100644 index f4953a3..0000000 --- a/share/cmake-3.16/Modules/CheckVariableExists.cmake +++ /dev/null @@ -1,85 +0,0 @@ -# Distributed under the OSI-approved BSD 3-Clause License. See accompanying -# file Copyright.txt or https://cmake.org/licensing for details. - -#[=======================================================================[.rst: -CheckVariableExists -------------------- - -Check if the variable exists. - -.. command:: CHECK_VARIABLE_EXISTS - - .. code-block:: cmake - - CHECK_VARIABLE_EXISTS(VAR VARIABLE) - - - :: - - VAR - the name of the variable - VARIABLE - variable to store the result - Will be created as an internal cache variable. - - - This macro is only for ``C`` variables. - -The following variables may be set before calling this macro to modify -the way the check is run: - -:: - - CMAKE_REQUIRED_FLAGS = string of compile command line flags - CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) - CMAKE_REQUIRED_LINK_OPTIONS = list of options to pass to link command - CMAKE_REQUIRED_LIBRARIES = list of libraries to link - CMAKE_REQUIRED_QUIET = execute quietly without messages -#]=======================================================================] - -include_guard(GLOBAL) - -macro(CHECK_VARIABLE_EXISTS VAR VARIABLE) - if(NOT DEFINED "${VARIABLE}") - set(MACRO_CHECK_VARIABLE_DEFINITIONS - "-DCHECK_VARIABLE_EXISTS=${VAR} ${CMAKE_REQUIRED_FLAGS}") - if(NOT CMAKE_REQUIRED_QUIET) - message(STATUS "Looking for ${VAR}") - endif() - if(CMAKE_REQUIRED_LINK_OPTIONS) - set(CHECK_VARIABLE_EXISTS_ADD_LINK_OPTIONS - LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS}) - else() - set(CHECK_VARIABLE_EXISTS_ADD_LINK_OPTIONS) - endif() - if(CMAKE_REQUIRED_LIBRARIES) - set(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES - LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) - else() - set(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES) - endif() - try_compile(${VARIABLE} - ${CMAKE_BINARY_DIR} - ${CMAKE_ROOT}/Modules/CheckVariableExists.c - COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} - ${CHECK_VARIABLE_EXISTS_ADD_LINK_OPTIONS} - ${CHECK_VARIABLE_EXISTS_ADD_LIBRARIES} - CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_VARIABLE_DEFINITIONS} - OUTPUT_VARIABLE OUTPUT) - if(${VARIABLE}) - set(${VARIABLE} 1 CACHE INTERNAL "Have variable ${VAR}") - if(NOT CMAKE_REQUIRED_QUIET) - message(STATUS "Looking for ${VAR} - found") - endif() - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log - "Determining if the variable ${VAR} exists passed with the following output:\n" - "${OUTPUT}\n\n") - else() - set(${VARIABLE} "" CACHE INTERNAL "Have variable ${VAR}") - if(NOT CMAKE_REQUIRED_QUIET) - message(STATUS "Looking for ${VAR} - not found") - endif() - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log - "Determining if the variable ${VAR} exists failed with the following output:\n" - "${OUTPUT}\n\n") - endif() - endif() -endmacro() |