[Ci-reports] fail on QtBase_5.4_Integration #1006

[Qt Continuous Integration System]

Compilation failed :(

  In file included from /work/build/qt/qtbase/include/QtCore/qendian.h:1:0,
                   from /work/build/qt/qtbase/src/corelib/codecs/qutfcodec.cpp:37:
  /work/build/qt/qtbase/include/QtCore/../../src/corelib/global/qendian.h: In function ‘T qbswap(T) [with T = short unsigned int]’:
  /work/build/qt/qtbase/include/QtCore/../../src/corelib/global/qendian.h:288:36: error: ‘__builtin_bswap16’ was not declared in this scope
  make: *** [qutfcodec.o] Error 1

  Build log: http://testresults.qt-project.org/ci/QtBase_5.4_Integration/build_01006/linux-android-g++_Ubuntu_12.04_x64/log.txt.gz

    ============================================================

Compilation failed :(

  In file included from /work/build/qt/qtbase/include/QtCore/qendian.h:1:0,
                   from /work/build/qt/qtbase/src/corelib/codecs/qutfcodec.cpp:37:
  /work/build/qt/qtbase/include/QtCore/../../src/corelib/global/qendian.h: In function ‘T qbswap(T) [with T = short unsigned int]’:
  /work/build/qt/qtbase/include/QtCore/../../src/corelib/global/qendian.h:288:36: error: ‘__builtin_bswap16’ was not declared in this scope
  make: *** [qutfcodec.o] Error 1

  Build log: http://testresults.qt-project.org/ci/QtBase_5.4_Integration/build_01006/linux-qnx-x86_Ubuntu_12.04_x64/log.txt.gz

  Tested changes (refs/builds/5.4_1418407208):
    http://codereview.qt-project.org/101654 [PS1] - Bump version number to 5.4.1
    http://codereview.qt-project.org/102010 [PS2] - Prevent continuous painting with viewport QOpenGLWidget
    http://codereview.qt-project.org/101430 [PS2] - Use the GCC and Clang __builtin_bswap intrinsics in qbswap
    http://codereview.qt-project.org/100455 [PS1] - Make QRawFont usage safer in a multi-threaded environment
    http://codereview.qt-project.org/101823 [PS6] - GL: Make updateTexture invalidate texture on change of texture unit