qtmultimedia component can't compile for armv7s architecture

/.../Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang \
    -c \
    -pipe \
    -fvisibility=hidden \
    -fpascal-strings \
    -fmessage-length=0 \
    -Wno-trigraphs \
    -Wreturn-type \
    -Wparentheses \
    -Wswitch \
    -Wno-unused-parameter \
    -Wunused-variable \
    -Wunused-value \
    -Wno-shorten-64-to-32 \
    -Wno-sign-conversion \
    -fexceptions \
    -fasm-blocks \
    -Wno-missing-field-initializers \
    -Wno-missing-prototypes \
    -Wno-implicit-atomic-properties \
    -Wformat \
    -Wno-missing-braces \
    -Wno-unused-function \
    -Wno-unused-label \
    -Wuninitialized \
    -Wno-unknown-pragmas \
    -Wno-shadow \
    -Wno-four-char-constants \
    -Wno-sign-compare \
    -Wpointer-sign \
    -Wno-newline-eof \
    -Wdeprecated-declarations \
    -Winvalid-offsetof \
    -Wno-conversion \
    -fvisibility-inlines-hidden \
    -Wno-non-virtual-dtor \
    -Wno-overloaded-virtual \
    -Wno-exit-time-destructors \
    -fobjc-nonfragile-abi \
    -fobjc-legacy-dispatch \
    -Wno-deprecated-implementations \
    -Wprotocol \
    -Wno-selector \
    -Wno-strict-selector-match \
    -Wno-undeclared-selector \
    -isysroot \
    /.../6.4/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.4.sdk \
    -std=c++11 \
    -stdlib=libc++ \
    -miphoneos-version-min=5.1.1 \
    -arch armv7s \
    -g \
    -fvisibility=hidden \
    -fvisibility-inlines-hidden \
    -Wall \
    -W \
    -DDARWIN_NO_CARBON \
    -DQT_NO_PRINTER \
    -DQT_NO_PRINTDIALOG \
    -DQT_NO_MTDEV \
    -DQT_NO_LIBUDEV \
    -DQT_NO_EVDEV \
    -DQT_NO_TSLIB \
    -DQT_NO_LIBINPUT \
    -DQMEDIA_AVF_CAMERA \
    -DQT_NO_EXCEPTIONS \
    -D_LARGEFILE64_SOURCE \
    -D_LARGEFILE_SOURCE \
    -DQT_NO_KEYWORDS \
    -DQT_STATICPLUGIN \
    -DQT_PLUGIN \
    -DQT_MULTIMEDIA_LIB \
    -DQT_GUI_LIB \
    -DQT_NETWORK_LIB \
    -DQT_CORE_LIB \
    -I. \
    -I/.../qtbase/mkspecs/macx-ios-clang/ios \
    -I../../../../include/QtMultimedia/5.5.1 \
    -I../../../../include/QtMultimedia/5.5.1/QtMultimedia \
    -I../../../../include \
    -I../../../../include/QtMultimedia \
    -I/.../qtbase/include \
    -I/.../qtbase/include/QtGui \
    -I/.../qtbase/include/QtNetwork \
    -I/.../qtbase/include/QtCore \
    -I.moc/iphoneos-debug \
    -I/.../qtbase/mkspecs/macx-ios-clang \
    avfmediaassetwriter.mm \
    -o .obj/iphoneos-debug/avfmediaassetwriter.o

In file included from avfmediaassetwriter.mm:34:
In file included from ./avfaudioinputselectorcontrol.h:37:
In file included from ../../../../include/QtMultimedia/qaudioinputselectorcontrol.h:1:
In file included from ../../../../include/QtMultimedia/../../src/multimedia/controls/qaudioinputselectorcontrol.h:37:
In file included from ../../../../include/QtMultimedia/qaudio.h:1:
In file included from ../../../../include/QtMultimedia/../../src/multimedia/audio/qaudio.h:38:
In file included from ../../../../include/QtMultimedia/qtmultimediadefs.h:1:
In file included from ../../../../include/QtMultimedia/../../src/multimedia/qtmultimediadefs.h:48:
In file included from /.../qtbase/include/QtCore/qglobal.h:1:
In file included from /.../qtbase/include/QtCore/../../src/corelib/global/qglobal.h:1104:
In file included from /.../qtbase/include/QtCore/qatomic.h:1:
In file included from /.../qtbase/include/QtCore/../../src/corelib/thread/qatomic.h:39:
In file included from /.../qtbase/include/QtCore/qbasicatomic.h:1:
/.../qtbase/include/QtCore/../../src/corelib/thread/qbasicatomic.h:112:5: error: static_assert failed "template parameter is an integral of a size not supported on this platform"
    Q_STATIC_ASSERT_X(QAtomicOpsSupport<sizeof(T)>::IsSupported, "template parameter is an integral of a size not supported on this platform");
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/.../qtbase/include/QtCore/../../src/corelib/global/qglobal.h:693:47: note: expanded from macro 'Q_STATIC_ASSERT_X'
#define Q_STATIC_ASSERT_X(Condition, Message) static_assert(bool(Condition), Message)
                                              ^             ~~~~~~~~~~~~~~~
/.../qtbase/include/QtCore/../../src/corelib/thread/qatomic.h:48:31: note: in instantiation of template class 'QBasicAtomicInteger<bool>' requested here
class QAtomicInteger : public QBasicAtomicInteger<T>
                              ^
./avfmediaassetwriter.h:92:41: note: in instantiation of template class 'QAtomicInteger<bool>' requested here
    QT_PREPEND_NAMESPACE(AVFAtomicBool) m_stopped;