Ticket #44581: patch-Modules-Platform-Darwin.cmake.diff

Modules/Platform/Darwin.cmake

@@ -140 +140 @@
       else()
         set(_CMAKE_OSX_SDKS_VER ${_CURRENT_OSX_VERSION}${_CMAKE_OSX_SDKS_VER_SUFFIX_${_CURRENT_OSX_VERSION}})
         set(_CMAKE_OSX_SYSROOT_DEFAULT "${_CMAKE_OSX_SDKS_DIR}/MacOSX${_CMAKE_OSX_SDKS_VER}.sdk")
-        message(WARNING
-          "CMAKE_OSX_DEPLOYMENT_TARGET is '${CMAKE_OSX_DEPLOYMENT_TARGET}' "
-          "but the matching SDK does not exist at:\n \"${_CMAKE_OSX_SYSROOT_CHECK}\"\n"
-          "Instead using SDK:\n \"${_CMAKE_OSX_SYSROOT_DEFAULT}\"\n"
-          "matching the host OS X version."
-          )
+        if(IS_DIRECTORY "${_CMAKE_OSX_SYSROOT_DEFAULT}")
+          if (NOT "${CMAKE_OSX_DEPLOYMENT_TARGET}" STREQUAL "${_CURRENT_OSX_VERSION}")
+            message(WARNING
+              "CMAKE_OSX_DEPLOYMENT_TARGET is '${CMAKE_OSX_DEPLOYMENT_TARGET}' "
+              "but the matching SDK does not exist at:\n \"${_CMAKE_OSX_SYSROOT_CHECK}\"\n"
+              "Instead using SDK:\n \"${_CMAKE_OSX_SYSROOT_DEFAULT}\"\n"
+              "matching the host OS X version."
+              )
+          endif()
+        else ()
+          set(_CMAKE_OSX_SYSROOT_DEFAULT "")
+        endif()
       endif()
     else()
       set(_CMAKE_OSX_SDKS_VER ${_CURRENT_OSX_VERSION}${_CMAKE_OSX_SDKS_VER_SUFFIX_${_CURRENT_OSX_VERSION}})
@@ -207 +213 @@
     set(_sdk_ver "${CMAKE_MATCH_1}")
   elseif("${_CMAKE_OSX_SYSROOT_ORIG}" MATCHES "^macosx([0-9]+\\.[0-9]+)$")
     set(_sdk_ver "${CMAKE_MATCH_1}")
+  elseif("${_CMAKE_OSX_SYSROOT_ORIG}" STREQUAL "/" OR "${_CMAKE_OSX_SYSROOT_ORIG}" STREQUAL "")
+    set(_sdk_ver "${_CURRENT_OSX_VERSION}")
   else()
     message(FATAL_ERROR
       "CMAKE_OSX_DEPLOYMENT_TARGET is '${CMAKE_OSX_DEPLOYMENT_TARGET}' "