diff options
Diffstat (limited to 'share/cmake-3.16/Modules/CheckLibraryExists.cmake')
-rw-r--r-- | share/cmake-3.16/Modules/CheckLibraryExists.cmake | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/share/cmake-3.16/Modules/CheckLibraryExists.cmake b/share/cmake-3.16/Modules/CheckLibraryExists.cmake deleted file mode 100644 index 6504df5..0000000 --- a/share/cmake-3.16/Modules/CheckLibraryExists.cmake +++ /dev/null @@ -1,99 +0,0 @@ -# Distributed under the OSI-approved BSD 3-Clause License. See accompanying -# file Copyright.txt or https://cmake.org/licensing for details. - -#[=======================================================================[.rst: -CheckLibraryExists ------------------- - -Check if the function exists. - -.. command:: CHECK_LIBRARY_EXISTS - - .. code-block:: cmake - - CHECK_LIBRARY_EXISTS(LIBRARY FUNCTION LOCATION VARIABLE) - - :: - - LIBRARY - the name of the library you are looking for - FUNCTION - the name of the function - LOCATION - location where the library should be found - VARIABLE - variable to store the result - Will be created as an internal cache variable. - - - -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_LIBRARY_EXISTS LIBRARY FUNCTION LOCATION VARIABLE) - if(NOT DEFINED "${VARIABLE}") - set(MACRO_CHECK_LIBRARY_EXISTS_DEFINITION - "-DCHECK_FUNCTION_EXISTS=${FUNCTION} ${CMAKE_REQUIRED_FLAGS}") - if(NOT CMAKE_REQUIRED_QUIET) - message(STATUS "Looking for ${FUNCTION} in ${LIBRARY}") - endif() - set(CHECK_LIBRARY_EXISTS_LINK_OPTIONS) - if(CMAKE_REQUIRED_LINK_OPTIONS) - set(CHECK_LIBRARY_EXISTS_LINK_OPTIONS - LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS}) - endif() - set(CHECK_LIBRARY_EXISTS_LIBRARIES ${LIBRARY}) - if(CMAKE_REQUIRED_LIBRARIES) - set(CHECK_LIBRARY_EXISTS_LIBRARIES - ${CHECK_LIBRARY_EXISTS_LIBRARIES} ${CMAKE_REQUIRED_LIBRARIES}) - endif() - - if(CMAKE_C_COMPILER_LOADED) - set(_cle_source ${CMAKE_ROOT}/Modules/CheckFunctionExists.c) - elseif(CMAKE_CXX_COMPILER_LOADED) - set(_cle_source ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckLibraryExists/CheckFunctionExists.cxx) - configure_file(${CMAKE_ROOT}/Modules/CheckFunctionExists.c "${_cle_source}" COPYONLY) - else() - message(FATAL_ERROR "CHECK_FUNCTION_EXISTS needs either C or CXX language enabled") - endif() - - try_compile(${VARIABLE} - ${CMAKE_BINARY_DIR} - ${_cle_source} - COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} - ${CHECK_LIBRARY_EXISTS_LINK_OPTIONS} - LINK_LIBRARIES ${CHECK_LIBRARY_EXISTS_LIBRARIES} - CMAKE_FLAGS - -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_LIBRARY_EXISTS_DEFINITION} - -DLINK_DIRECTORIES:STRING=${LOCATION} - OUTPUT_VARIABLE OUTPUT) - unset(_cle_source) - - if(${VARIABLE}) - if(NOT CMAKE_REQUIRED_QUIET) - message(STATUS "Looking for ${FUNCTION} in ${LIBRARY} - found") - endif() - set(${VARIABLE} 1 CACHE INTERNAL "Have library ${LIBRARY}") - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log - "Determining if the function ${FUNCTION} exists in the ${LIBRARY} " - "passed with the following output:\n" - "${OUTPUT}\n\n") - else() - if(NOT CMAKE_REQUIRED_QUIET) - message(STATUS "Looking for ${FUNCTION} in ${LIBRARY} - not found") - endif() - set(${VARIABLE} "" CACHE INTERNAL "Have library ${LIBRARY}") - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log - "Determining if the function ${FUNCTION} exists in the ${LIBRARY} " - "failed with the following output:\n" - "${OUTPUT}\n\n") - endif() - endif() -endmacro() |