Imported Upstream version 2.8.11.2

[platform/upstream/cmake.git] / Modules / CheckLibraryExists.cmake

diff --git a/Modules/CheckLibraryExists.cmake b/Modules/CheckLibraryExists.cmake
index 59fca0a..fb7d0ec 100644 (file)
--- a/Modules/CheckLibraryExists.cmake
+++ b/Modules/CheckLibraryExists.cmake
@@ -26,45 +26,42 @@
 # (To distribute this file outside of CMake, substitute the full
 #  License text for the above reference.)
 
-INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
 
 
-MACRO(CHECK_LIBRARY_EXISTS LIBRARY FUNCTION LOCATION VARIABLE)
-  IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
-    SET(MACRO_CHECK_LIBRARY_EXISTS_DEFINITION
+macro(CHECK_LIBRARY_EXISTS LIBRARY FUNCTION LOCATION VARIABLE)
+  if("${VARIABLE}" MATCHES "^${VARIABLE}$")
+    set(MACRO_CHECK_LIBRARY_EXISTS_DEFINITION
       "-DCHECK_FUNCTION_EXISTS=${FUNCTION} ${CMAKE_REQUIRED_FLAGS}")
-    MESSAGE(STATUS "Looking for ${FUNCTION} in ${LIBRARY}")
-    SET(CHECK_LIBRARY_EXISTS_LIBRARIES ${LIBRARY})
-    IF(CMAKE_REQUIRED_LIBRARIES)
-      # this one translates potentially used imported library targets to their files on disk
-      CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES  LIBRARIES  ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
-      SET(CHECK_LIBRARY_EXISTS_LIBRARIES
-        ${CHECK_LIBRARY_EXISTS_LIBRARIES} ${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES})
-    ENDIF(CMAKE_REQUIRED_LIBRARIES)
-    TRY_COMPILE(${VARIABLE}
+    message(STATUS "Looking for ${FUNCTION} in ${LIBRARY}")
+    set(CHECK_LIBRARY_EXISTS_LIBRARIES ${LIBRARY})
+    if(CMAKE_REQUIRED_LIBRARIES)
+      set(CHECK_LIBRARY_EXISTS_LIBRARIES
+        ${CHECK_LIBRARY_EXISTS_LIBRARIES} ${CMAKE_REQUIRED_LIBRARIES})
+    endif()
+    try_compile(${VARIABLE}
       ${CMAKE_BINARY_DIR}
       ${CMAKE_ROOT}/Modules/CheckFunctionExists.c
       COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
+      LINK_LIBRARIES ${CHECK_LIBRARY_EXISTS_LIBRARIES}
       CMAKE_FLAGS
       -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_LIBRARY_EXISTS_DEFINITION}
       -DLINK_DIRECTORIES:STRING=${LOCATION}
-      "-DLINK_LIBRARIES:STRING=${CHECK_LIBRARY_EXISTS_LIBRARIES}"
       OUTPUT_VARIABLE OUTPUT)
 
-    IF(${VARIABLE})
-      MESSAGE(STATUS "Looking for ${FUNCTION} in ${LIBRARY} - found")
-      SET(${VARIABLE} 1 CACHE INTERNAL "Have library ${LIBRARY}")
-      FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+    if(${VARIABLE})
+      message(STATUS "Looking for ${FUNCTION} in ${LIBRARY} - found")
+      set(${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(${VARIABLE})
-      MESSAGE(STATUS "Looking for ${FUNCTION} in ${LIBRARY} - not found")
-      SET(${VARIABLE} "" CACHE INTERNAL "Have library ${LIBRARY}")
-      FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+    else()
+      message(STATUS "Looking for ${FUNCTION} in ${LIBRARY} - not found")
+      set(${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(${VARIABLE})
-  ENDIF("${VARIABLE}" MATCHES "^${VARIABLE}$")
-ENDMACRO(CHECK_LIBRARY_EXISTS)
+    endif()
+  endif()
+endmacro()