Add CMake messages for deprecated build option usage.

.travis.yml

@@ -558,7 +558,7 @@ before_script:
   - travis_retry brew install ccache doxygen graphviz $cmake
   - if [[ ! $cmake ]]; then brew outdated cmake || brew upgrade cmake; fi
   - export PATH=$(brew info ccache |grep -o '\S*lib\S*'):$PATH
-  - if [[ $XCODE ]]; then pushd $(dirname $(xcodebuild -find-executable clang)) >/dev/null && sudo cp -p $(which ccache) . && for compiler in clang clang++; do sudo mv $compiler{,.orig} && sudo ln -sf $(pwd)/clang.orig /usr/local/bin/$compiler && sudo ln -sf ccache $compiler; done && popd >/dev/null && if [[ $IOS ]]; then redundant=AppleTV,Watch; elif [[ $TVOS ]]; then redundant=iPhone,Watch; else redundant=iPhone,AppleTV,Watch; fi && eval sudo rm -rf /Applications/Xcode.app/Contents/Developer/Platforms/{$redundant}{OS,Simulator}.platform; if echo $COMMIT_MESSAGE |egrep -cq '\[(cache clear|xcode 64bit only)\]' || [[ $(ccache -s |grep 'files in cache' |rev |cut -d' ' -f1 |rev) == '0' ]]; then export XCODE_64BIT_ONLY=1; fi; fi
+  - if [[ $XCODE ]]; then pushd $(dirname $(xcodebuild -find-executable clang)) >/dev/null && sudo cp -p $(which ccache) . && for compiler in clang clang++; do sudo mv $compiler{,.orig} && sudo ln -sf $(pwd)/clang.orig /usr/local/bin/$compiler && sudo ln -sf ccache $compiler; done && popd >/dev/null && if [[ $IOS ]]; then redundant=AppleTV,Watch; elif [[ $TVOS ]]; then redundant=iPhone,Watch; else redundant=iPhone,AppleTV,Watch; fi && eval sudo rm -rf /Applications/Xcode.app/Contents/Developer/Platforms/{$redundant}{OS,Simulator}.platform; fi
   - rake ci_setup_cache
 script: rake ci && if [[ $PACKAGE_UPLOAD ]]; then rake ci_package_upload; fi && rake ci_timer
 after_script: rake ci_teardown_cache

CMake/Modules/UrhoCommon.cmake

@@ -494,13 +494,9 @@ if (APPLE)
         # iOS-specific setup
         add_definitions (-DIOS)
         if (URHO3D_64BIT)
-            if (DEFINED ENV{XCODE_64BIT_ONLY})                  # This environment variable is set automatically when ccache is just being cleared in Travis CI VM
-                set (CMAKE_OSX_ARCHITECTURES "arm64 x86_64")    # This is a hack to temporarily only build 64-bit archs to reduce overall build time for one build
-            else ()
-                set (CMAKE_OSX_ARCHITECTURES $(ARCHS_STANDARD))
-            endif ()
+            set (CMAKE_OSX_ARCHITECTURES $(ARCHS_STANDARD))
         else ()
-            # This is a legacy option and should not be used as we are phasing out 32-bit only mode
+            message (WARNING "URHO3D_64BIT=0 for iOS is a deprecated option and should not be used as we are phasing out 32-bit only mode")
             set (CMAKE_OSX_ARCHITECTURES $(ARCHS_STANDARD_32_BIT))
         endif ()
     elseif (TVOS)
@@ -512,13 +508,13 @@ if (APPLE)
             # macOS-specific setup
             if (URHO3D_64BIT)
                 if (URHO3D_UNIVERSAL)
-                    # This is a legacy option and should not be used as we are phasing out macOS universal binary mode
+                    message (WARNING "URHO3D_UNIVERSAL=1 for macOS is a deprecated option and should not be used as we are phasing out macOS universal binary mode")
                     set (CMAKE_OSX_ARCHITECTURES $(ARCHS_STANDARD_32_64_BIT))
                 else ()
                     set (CMAKE_OSX_ARCHITECTURES $(ARCHS_STANDARD))
                 endif ()
             else ()
-                # This is a legacy option and should not be used as we are phasing out 32-bit only mode
+                message (WARNING "URHO3D_64BIT=0 for macOS is a deprecated option and should not be used as we are phasing out 32-bit only mode")
                 set (CMAKE_OSX_ARCHITECTURES $(ARCHS_STANDARD_32_BIT))
             endif ()
         endif ()

Rakefile

@@ -381,7 +381,7 @@ task :ci do
     test = ''
   end
   # Skip scaffolding test when time up or packaging for iOS, tvOS, and Web platform
-  unless ENV['CI'] && (ENV['IOS'] || ENV['TVOS'] || ENV['WEB']) && ENV['PACKAGE_UPLOAD'] || ENV['XCODE_64BIT_ONLY'] || timeup
+  unless ENV['CI'] && (ENV['IOS'] || ENV['TVOS'] || ENV['WEB']) && ENV['PACKAGE_UPLOAD'] || timeup
     # Staged-install Urho3D SDK when on Travis-CI; normal install when on AppVeyor
     ENV['DESTDIR'] = ENV['HOME'] unless ENV['APPVEYOR']
     if !wait_for_block("Installing Urho3D SDK to #{ENV['DESTDIR'] ? "#{ENV['DESTDIR']}/usr/local" : 'default system-wide location'}...") { Thread.current[:subcommand_to_kill] = 'xcodebuild'; system "rake make target=install >#{ENV['OS'] ? 'nul' : '/dev/null'}" }