3 files changed, 32 insertions, 8 deletions
diff --git a/mkspecs/macx-ios-clang/features/default_post.prf b/mkspecs/macx-ios-clang/features/default_post.prf
index 2001f53ec4..643a17e23e 100644
--- a/mkspecs/macx-ios-clang/features/default_post.prf
+++ b/mkspecs/macx-ios-clang/features/default_post.prf
@@ -184,6 +184,14 @@ macx-xcode {
     QMAKE_SUBSTITUTES += copy_image
     launch_images.files = $$copy_image.output
     QMAKE_BUNDLE_DATA += launch_images
+
+    # Set up default LaunchScreen to support iPhone6/6+
+    launch_screen = LaunchScreen.xib
+    copy_launch_screen.input = $$QMAKESPEC/$$launch_screen
+    copy_launch_screen.output = $$OUT_PWD/$${TARGET}.xcodeproj/$$launch_screen
+    QMAKE_SUBSTITUTES += copy_launch_screen
+    launch_screens.files = $$copy_launch_screen.output
+    QMAKE_BUNDLE_DATA += launch_screens
 }
 
 macx-xcode {
@@ -193,22 +201,32 @@ macx-xcode {
     arch_iphonesimulator.value = $$QMAKE_IOS_SIMULATOR_ARCHS
 
     QMAKE_MAC_XCODE_SETTINGS += arch_iphoneos arch_iphonesimulator
-    unset(QMAKE_XCODE_ARCHS)
+    QMAKE_XCODE_ARCHS = $$QMAKE_IOS_DEVICE_ARCHS $$QMAKE_IOS_SIMULATOR_ARCHS
+
+    only_active_arch.name = ONLY_ACTIVE_ARCH
+    only_active_arch.value = YES
+    only_active_arch.build = debug
+    QMAKE_MAC_XCODE_SETTINGS += only_active_arch
 } else {
     # Be more specific about which architecture we're targeting
     contains(QT_ARCH, arm.*): \
-        actual_archs = $$QMAKE_IOS_DEVICE_ARCHS
+        VALID_ARCHS = $$QMAKE_IOS_DEVICE_ARCHS
     else: \
-        actual_archs = $$QMAKE_IOS_SIMULATOR_ARCHS
+        VALID_ARCHS = $$QMAKE_IOS_SIMULATOR_ARCHS
+
+    single_arch: VALID_ARCHS = $$first(VALID_ARCHS)
+
+    ACTIVE_ARCHS = $(filter $(EXPORT_VALID_ARCHS), $(ARCHS))
+    ARCH_ARGS = $(foreach arch, $(if $(EXPORT_ACTIVE_ARCHS), $(EXPORT_ACTIVE_ARCHS), $(EXPORT_VALID_ARCHS)), -arch $(arch))
+
+    QMAKE_EXTRA_VARIABLES += VALID_ARCHS ACTIVE_ARCHS ARCH_ARGS
 
-    for(arch, actual_archs): \
-        arch_flags += -arch $$arch
+    arch_flags = $(EXPORT_ARCH_ARGS)
 
     QMAKE_CFLAGS           += $$arch_flags
     QMAKE_CXXFLAGS         += $$arch_flags
     QMAKE_OBJECTIVE_CFLAGS += $$arch_flags
     QMAKE_LFLAGS           += $$arch_flags
 }
-unset(actual_archs)
 
 load(default_post)
diff --git a/mkspecs/macx-ios-clang/features/qt.prf b/mkspecs/macx-ios-clang/features/qt.prf
index a5b00377ee..7ca3198dbe 100644
--- a/mkspecs/macx-ios-clang/features/qt.prf
+++ b/mkspecs/macx-ios-clang/features/qt.prf
@@ -32,17 +32,19 @@ equals(TEMPLATE, app):contains(QT, gui(-private)?) {
         # called 'qt_main' now.
 
         macx-xcode {
-            objects_dir = "${OBJECT_FILE_DIR}-${CURRENT_VARIANT}/${CURRENT_ARCH}"
+            objects_dir = "${OBJECT_FILE_DIR}-${CURRENT_VARIANT}"
+            archs = "${ARCHS}"
         } else {
             objects_dir = $$OBJECTS_DIR
             isEmpty(objects_dir): \
                 objects_dir = .
+            archs = "$$QMAKE_IOS_DEVICE_ARCHS $$QMAKE_IOS_SIMULATOR_ARCHS"
         }
 
         !isEmpty(QMAKE_PRE_LINK): \
             QMAKE_PRE_LINK += ";"
 
-        QMAKE_PRE_LINK += $$QMAKESPEC/rename_main.sh $${objects_dir}
+        QMAKE_PRE_LINK += $$QMAKESPEC/rename_main.sh $${objects_dir} \"$${archs}\"
     }
 }
 
diff --git a/mkspecs/macx-ios-clang/features/qt_config.prf b/mkspecs/macx-ios-clang/features/qt_config.prf
index d9a13f65eb..d1a1a36933 100644
--- a/mkspecs/macx-ios-clang/features/qt_config.prf
+++ b/mkspecs/macx-ios-clang/features/qt_config.prf
@@ -9,4 +9,8 @@ isEmpty(QT_ARCH) {
         QT_ARCH = arm
     else: \ # Simulator
         QT_ARCH = i386
+
+    # Prevent the arch/config tests from building as multi-arch binaries,
+    # as we only want the lowest common denominator features.
+    CONFIG += single_arch
 }