Import WebKit commit 69d327017a8d700cbfc7e1120270db4d55416f41

Change-Id: I38406c67ba681f7693a45b0fa2d8c2e44a6d9a0e
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

15 files changed, 123 insertions, 59 deletions

diff --git a/Source/WTF/wtf/CurrentTime.cpp b/Source/WTF/wtf/CurrentTime.cpp
index 7de52f779..8774314fe 100644
--- a/Source/WTF/wtf/CurrentTime.cpp
+++ b/Source/WTF/wtf/CurrentTime.cpp
@@ -261,18 +261,7 @@ double monotonicallyIncreasingTime()
     return ecore_time_get();
 }
 
-#elif PLATFORM(QT)
-
-double monotonicallyIncreasingTime()
-{
-    ASSERT(QElapsedTimer::isMonotonic());
-    static QElapsedTimer timer;
-    if (!timer.isValid())
-        timer.start();
-    return timer.nsecsElapsed() / 1.0e9;
-}
-
-#elif USE(GLIB)
+#elif USE(GLIB) && !PLATFORM(QT)
 
 double monotonicallyIncreasingTime()
 {
@@ -295,6 +284,15 @@ double monotonicallyIncreasingTime()
     return (mach_absolute_time() * timebaseInfo.numer) / (1.0e9 * timebaseInfo.denom);
 }
 
+#elif OS(LINUX) || OS(FREEBSD) || OS(OPENBSD) || OS(NETBSD)
+
+double monotonicallyIncreasingTime()
+{
+    struct timespec ts { };
+    clock_gettime(CLOCK_MONOTONIC, &ts);
+    return static_cast<double>(ts.tv_sec) + ts.tv_nsec / 1.0e9;
+}
+
 #else
 
 double monotonicallyIncreasingTime()
diff --git a/Source/WebCore/bindings/js/JSHTMLFormElementCustom.cpp b/Source/WebCore/bindings/js/JSHTMLFormElementCustom.cpp
index 3aed7052f..cb2119b10 100644
--- a/Source/WebCore/bindings/js/JSHTMLFormElementCustom.cpp
+++ b/Source/WebCore/bindings/js/JSHTMLFormElementCustom.cpp
@@ -30,8 +30,7 @@
 #include "HTMLCollection.h"
 #include "HTMLFormElement.h"
 #include "JSDOMWindowCustom.h"
-#include "JSNodeList.h"
-#include "StaticNodeList.h"
+#include "JSRadioNodeList.h"
 
 using namespace JSC;
 
@@ -48,8 +47,7 @@ bool JSHTMLFormElement::nameGetter(ExecState* exec, PropertyName propertyName, J
         return true;
     }
 
-    // FIXME: HTML5 specifies that this should be a RadioNodeList.
-    value = toJS(exec, globalObject(), StaticElementList::adopt(namedItems).get());
+    value = toJS(exec, globalObject(), wrapped().radioNodeList(propertyNameToAtomicString(propertyName)).get());
     return true;
 }
 
diff --git a/Source/WebCore/html/HTMLAnchorElement.cpp b/Source/WebCore/html/HTMLAnchorElement.cpp
index bc100a870..75eb7a2a3 100644
--- a/Source/WebCore/html/HTMLAnchorElement.cpp
+++ b/Source/WebCore/html/HTMLAnchorElement.cpp
@@ -46,6 +46,7 @@
 #include "SecurityOrigin.h"
 #include "SecurityPolicy.h"
 #include "Settings.h"
+#include "URLUtils.h"
 #include <wtf/text/StringBuilder.h>
 
 namespace WebCore {
@@ -76,15 +77,6 @@ HTMLAnchorElement::~HTMLAnchorElement()
     clearRootEditableElementForSelectionOnMouseDown();
 }
 
-// This function does not allow leading spaces before the port number.
-static unsigned parsePortFromStringPosition(const String& value, unsigned portStart, unsigned& portEnd)
-{
-    portEnd = portStart;
-    while (isASCIIDigit(value[portEnd]))
-        ++portEnd;
-    return value.substring(portStart, portEnd - portStart).toUInt();
-}
-
 bool HTMLAnchorElement::supportsFocus() const
 {
     if (hasEditableStyle())
diff --git a/Source/WebCore/page/Performance.cpp b/Source/WebCore/page/Performance.cpp
index ed39a1d15..1c491da5d 100644
--- a/Source/WebCore/page/Performance.cpp
+++ b/Source/WebCore/page/Performance.cpp
@@ -233,7 +233,7 @@ void Performance::webkitClearMeasures(const String& measureName)
 double Performance::now() const
 {
     double nowSeconds = monotonicallyIncreasingTime() - m_referenceTime;
-    const double resolutionSeconds = 0.000005;
+    const double resolutionSeconds = 0.0001;
     return 1000.0 * floor(nowSeconds / resolutionSeconds) * resolutionSeconds;
 }
 
diff --git a/Source/WebCore/page/Settings.in b/Source/WebCore/page/Settings.in
index 84a9f0cd0..74d9e0709 100644
--- a/Source/WebCore/page/Settings.in
+++ b/Source/WebCore/page/Settings.in
@@ -79,7 +79,6 @@ needsSiteSpecificQuirks initial=false
 domTimersThrottlingEnabled initial=true
 webArchiveDebugModeEnabled initial=false, conditional=WEB_ARCHIVE
 localFileContentSniffingEnabled initial=false
-offlineStorageDatabaseEnabled initial=false
 offlineWebApplicationCacheEnabled initial=false
 enforceCSSMIMETypeInNoQuirksMode initial=true
 usesEncodingDetector initial=false
@@ -91,6 +90,9 @@ acceleratedFiltersEnabled initial=false
 useLegacyTextAlignPositionedElementBehavior initial=false
 javaScriptRuntimeFlags type=JSC::RuntimeFlags
 
+# PLATFORM(QT) only
+offlineStorageDatabaseEnabled initial=true
+
 # FIXME: This should really be disabled by default as it makes platforms that don't support the feature download files
 # they can't use by. Leaving enabled for now to not change existing behavior.
 downloadableBinaryFontsEnabled initial=true
diff --git a/Source/WebCore/platform/graphics/GraphicsContext.h b/Source/WebCore/platform/graphics/GraphicsContext.h
index d7f529cf8..8b821fa98 100644
--- a/Source/WebCore/platform/graphics/GraphicsContext.h
+++ b/Source/WebCore/platform/graphics/GraphicsContext.h
@@ -563,6 +563,7 @@ public:
 
 #if PLATFORM(QT)
     void pushTransparencyLayerInternal(const QRect&, qreal, QPixmap&);
+    void popTransparencyLayerInternal();
     void takeOwnershipOfPlatformContext();
 #endif
 
diff --git a/Source/WebCore/platform/graphics/qt/GraphicsContextQt.cpp b/Source/WebCore/platform/graphics/qt/GraphicsContextQt.cpp
index 260081946..1e041050e 100644
--- a/Source/WebCore/platform/graphics/qt/GraphicsContextQt.cpp
+++ b/Source/WebCore/platform/graphics/qt/GraphicsContextQt.cpp
@@ -358,7 +358,7 @@ void GraphicsContext::restorePlatformState()
 {
     if (!m_data->layers.isEmpty() && !m_data->layers.top()->alphaMask.isNull())
         if (!--m_data->layers.top()->saveCounter)
-            endPlatformTransparencyLayer();
+            popTransparencyLayerInternal();
 
     m_data->p()->restore();
 }
@@ -1313,18 +1313,39 @@ void GraphicsContext::beginPlatformTransparencyLayer(float opacity)
     ++m_data->layerCount;
 }
 
+void GraphicsContext::popTransparencyLayerInternal()
+{
+    TransparencyLayer* layer = m_data->layers.pop();
+    ASSERT(!layer->alphaMask.isNull());
+    ASSERT(layer->saveCounter == 0);
+    layer->painter.resetTransform();
+    layer->painter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
+    layer->painter.drawPixmap(QPoint(), layer->alphaMask);
+    layer->painter.end();
+
+    QPainter* p = m_data->p();
+    p->save();
+    p->resetTransform();
+    p->setOpacity(layer->opacity);
+    p->drawPixmap(layer->offset, layer->pixmap);
+    p->restore();
+
+    delete layer;
+}
+
 void GraphicsContext::endPlatformTransparencyLayer()
 {
     if (paintingDisabled())
         return;
 
+    while ( ! m_data->layers.top()->alphaMask.isNull() ){
+        --m_data->layers.top()->saveCounter;
+        popTransparencyLayerInternal();
+        if (m_data->layers.isEmpty())
+            return;
+    }
     TransparencyLayer* layer = m_data->layers.pop();
-    if (!layer->alphaMask.isNull()) {
-        layer->painter.resetTransform();
-        layer->painter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
-        layer->painter.drawPixmap(QPoint(), layer->alphaMask);
-    } else
-        --m_data->layerCount; // see the comment for layerCount
+    --m_data->layerCount; // see the comment for layerCount
     layer->painter.end();
 
     QPainter* p = m_data->p();
diff --git a/Source/WebCore/platform/graphics/qt/ImageBufferQt.cpp b/Source/WebCore/platform/graphics/qt/ImageBufferQt.cpp
index 2295362aa..af798f761 100644
--- a/Source/WebCore/platform/graphics/qt/ImageBufferQt.cpp
+++ b/Source/WebCore/platform/graphics/qt/ImageBufferQt.cpp
@@ -34,7 +34,6 @@
 #include "IntRect.h"
 #include "MIMETypeRegistry.h"
 #include "StillImageQt.h"
-#include "TransparencyLayer.h"
 #include <runtime/JSCInlines.h>
 #include <runtime/TypedArrayInlines.h>
 #include <wtf/text/WTFString.h>
diff --git a/Source/WebKit/PlatformQt.cmake b/Source/WebKit/PlatformQt.cmake
index cf5f36700..909efc00d 100644
--- a/Source/WebKit/PlatformQt.cmake
+++ b/Source/WebKit/PlatformQt.cmake
@@ -502,6 +502,7 @@ endif ()
 if (NOT MACOS_BUILD_FRAMEWORKS)
     ecm_generate_pkgconfig_file(
         BASE_NAME Qt5WebKit
+        DESCRIPTION "Qt WebKit module"
         DEPS "${WEBKIT_PKGCONGIG_DEPS}"
         FILENAME_VAR WebKit_PKGCONFIG_FILENAME
     )
@@ -726,6 +727,7 @@ install(
 if (NOT MACOS_BUILD_FRAMEWORKS)
     ecm_generate_pkgconfig_file(
         BASE_NAME Qt5WebKitWidgets
+        DESCRIPTION "Qt WebKitWidgets module"
         DEPS "${WEBKITWIDGETS_PKGCONFIG_DEPS}"
         FILENAME_VAR WebKitWidgets_PKGCONFIG_FILENAME
     )
diff --git a/Source/WebKit/qt/WebCoreSupport/QWebPageAdapter.cpp b/Source/WebKit/qt/WebCoreSupport/QWebPageAdapter.cpp
index 89e872fb2..00dc0c488 100644
--- a/Source/WebKit/qt/WebCoreSupport/QWebPageAdapter.cpp
+++ b/Source/WebKit/qt/WebCoreSupport/QWebPageAdapter.cpp
@@ -390,7 +390,10 @@ QString QWebPageAdapter::selectedText() const
 
 QString QWebPageAdapter::selectedHtml() const
 {
-    return page->focusController().focusedOrMainFrame().editor().selectedRange()->toHTML();
+    RefPtr<Range> range = page->focusController().focusedOrMainFrame().editor().selectedRange();
+    if (!range)
+        return QString();
+    return range->toHTML();
 }
 
 bool QWebPageAdapter::isContentEditable() const
diff --git a/Source/cmake/ECMGeneratePkgConfigFile.cmake b/Source/cmake/ECMGeneratePkgConfigFile.cmake
index b4e686630..09d7e2b47 100644
--- a/Source/cmake/ECMGeneratePkgConfigFile.cmake
+++ b/Source/cmake/ECMGeneratePkgConfigFile.cmake
@@ -16,6 +16,7 @@
 #                         [INCLUDE_INSTALL_DIR <dir>]
 #                         [LIB_INSTALL_DIR <dir>]
 #                         [DEFINES -D<variable=value>...]
+#                         [DESCRIPTION <library description>]
 #                         [INSTALL])
 #
 # ``BASE_NAME`` is the name of the module. It's the name projects will use to
@@ -42,6 +43,10 @@
 # ``DEFINES`` is a list of preprocessor defines that it is recommended users of
 # the library pass to the compiler when using it.
 #
+# ``DESCRIPTION`` describes what this library is. If it's not specified, CMake
+# will first try to get the description from the metainfo.yaml file or will
+# create one based on ``LIB_NAME``.
+#
 # ``INSTALL`` will cause the module to be installed to the ``pkgconfig``
 # subdirectory of ``LIB_INSTALL_DIR``, unless the ``ECM_PKGCONFIG_INSTALL_DIR``
 # cache variable is set to something different. Note that the first call to
@@ -66,24 +71,39 @@
 #   )
 #
 # Since 1.3.0.
+# ``DESCRIPTION`` available since 5.1.41
+#
 
 #=============================================================================
 # Copyright 2014 Aleix Pol Gonzalez <aleixpol@kde.org>
 # Copyright 2014 David Faure <faure@kde.org>
 #
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file COPYING-CMAKE-SCRIPTS for details.
-#
-# This software is distributed WITHOUT ANY WARRANTY; without even the
-# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the License for more information.
-#=============================================================================
-# (To distribute this file outside of extra-cmake-modules, substitute the full
-#  License text for the above reference.)
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. The name of the author may not be used to endorse or promote products
+#    derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 function(ECM_GENERATE_PKGCONFIG_FILE)
   set(options INSTALL)
-  set(oneValueArgs BASE_NAME LIB_NAME FILENAME_VAR INCLUDE_INSTALL_DIR LIB_INSTALL_DIR)
+  set(oneValueArgs BASE_NAME LIB_NAME FILENAME_VAR INCLUDE_INSTALL_DIR LIB_INSTALL_DIR DESCRIPTION)
   set(multiValueArgs DEPS DEFINES)
 
   cmake_parse_arguments(EGPF "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
@@ -119,6 +139,17 @@ function(ECM_GENERATE_PKGCONFIG_FILE)
           set(EGPF_LIB_INSTALL_DIR "lib")
       endif()
   endif()
+  if(NOT EGPF_DESCRIPTION)
+      if(EXISTS ${CMAKE_SOURCE_DIR}/metainfo.yaml)
+          file(STRINGS "${CMAKE_SOURCE_DIR}/metainfo.yaml" _EGPF_METAINFO_DESCRIPTION_STRING REGEX "^description:.*$")
+          if(_EGPF_METAINFO_DESCRIPTION_STRING)
+              string(REGEX REPLACE "^description:[ ]*(.*)" "\\1" EGPF_DESCRIPTION ${_EGPF_METAINFO_DESCRIPTION_STRING})
+          endif()
+      endif()
+      if("${EGPF_DESCRIPTION}" STREQUAL "")
+          set(EGPF_DESCRIPTION "${EGPF_LIB_NAME} library.")
+      endif()
+  endif()
 
   set(PKGCONFIG_TARGET_BASENAME ${EGPF_BASE_NAME})
   set(PKGCONFIG_TARGET_LIBNAME ${EGPF_LIB_NAME})
@@ -135,6 +166,7 @@ function(ECM_GENERATE_PKGCONFIG_FILE)
   else()
       set(PKGCONFIG_TARGET_LIBS "${CMAKE_INSTALL_PREFIX}/${EGPF_LIB_INSTALL_DIR}")
   endif()
+  set(PKGCONFIG_TARGET_DESCRIPTION "${EGPF_DESCRIPTION}")
   set(PKGCONFIG_TARGET_DEFINES "")
   if(EGPF_DEFINES)
     set(PKGCONFIG_TARGET_DEFINES "${EGPF_DEFINE}")
@@ -148,6 +180,7 @@ function(ECM_GENERATE_PKGCONFIG_FILE)
   file(WRITE ${PKGCONFIG_FILENAME}
 "
 Name: ${PKGCONFIG_TARGET_LIBNAME}
+Description: ${PKGCONFIG_TARGET_DESCRIPTION}
 Version: ${PROJECT_VERSION}
 Libs: -L${CMAKE_INSTALL_PREFIX}/${EGPF_LIB_INSTALL_DIR} -l${PKGCONFIG_TARGET_LIBNAME}
 Cflags: ${PKGCONFIG_TARGET_INCLUDES} ${PKGCONFIG_TARGET_DEFINES}
@@ -156,8 +189,11 @@ Requires: ${PKGCONFIG_TARGET_DEPS}
   )
 
   if(EGPF_INSTALL)
-    set(ECM_PKGCONFIG_INSTALL_DIR "${EGPF_LIB_INSTALL_DIR}/pkgconfig" CACHE PATH "The directory where pkgconfig will be installed to.")
+    if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+      set(ECM_PKGCONFIG_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/libdata/pkgconfig" CACHE PATH "The directory where pkgconfig will be installed to.")
+    else()
+      set(ECM_PKGCONFIG_INSTALL_DIR "${EGPF_LIB_INSTALL_DIR}/pkgconfig" CACHE PATH "The directory where pkgconfig will be installed to.")
+    endif()
     install(FILES ${PKGCONFIG_FILENAME} DESTINATION ${ECM_PKGCONFIG_INSTALL_DIR})
   endif()
 endfunction()
-
diff --git a/Source/cmake/FindICU.cmake b/Source/cmake/FindICU.cmake
index 4e93286f3..c0de36338 100644
--- a/Source/cmake/FindICU.cmake
+++ b/Source/cmake/FindICU.cmake
@@ -24,7 +24,7 @@ mark_as_advanced(ICU_INCLUDE_DIR)
 # Look for the library.
 find_library(
     ICU_LIBRARY
-    NAMES icuuc cygicuuc cygicuuc32
+    NAMES sicuuc icuuc cygicuuc cygicuuc32
     HINTS ${PC_ICU_LIBRARY_DIRS}
           ${PC_ICU_LIBDIR}
     DOC "Libraries to link against for the common parts of ICU")
@@ -49,7 +49,7 @@ if (ICU_INCLUDE_DIR AND ICU_LIBRARY)
     pkg_check_modules(PC_ICU_I18N icu-i18n)
     find_library(
         ICU_I18N_LIBRARY
-        NAMES icui18n icuin cygicuin cygicuin32
+        NAMES sicui18n sicuin icui18n icuin cygicuin cygicuin32
         HINTS ${PC_ICU_I18N_LIBRARY_DIRS}
               ${PC_ICU_I18N_LIBDIR}
         DOC "Libraries to link against for ICU internationalization")
diff --git a/Source/cmake/OptionsQt.cmake b/Source/cmake/OptionsQt.cmake
index cbdaa192b..9ca197f72 100644
--- a/Source/cmake/OptionsQt.cmake
+++ b/Source/cmake/OptionsQt.cmake
@@ -183,6 +183,13 @@ if (QT_CORE_TYPE MATCHES STATIC)
     set(MACOS_BUILD_FRAMEWORKS OFF)
 endif ()
 
+# static icu libraries on windows are build with 's' prefix
+if (QT_STATIC_BUILD AND MSVC)
+    set(ICU_LIBRARY_PREFIX "s")
+else ()
+    set(ICU_LIBRARY_PREFIX "")
+endif ()
+
 if (QT_STATIC_BUILD)
     set(ENABLE_WEBKIT2_DEFAULT OFF)
 else ()
@@ -662,10 +669,19 @@ if (ENABLE_OPENGL)
     SET_AND_EXPOSE_TO_BUILD(USE_TEXTURE_MAPPER_GL TRUE)
     SET_AND_EXPOSE_TO_BUILD(ENABLE_GRAPHICS_CONTEXT_3D TRUE)
 
-    # TODO: Add proper support of DynamicGL detection to Qt and use it
-    if (WIN32 AND NOT QT_USES_GLES2_ONLY)
-        set(Qt5Gui_OPENGL_IMPLEMENTATION GL)
+    if (WIN32)
+        include(CheckCXXSymbolExists)
+        set(CMAKE_REQUIRED_INCLUDES ${Qt5Gui_INCLUDE_DIRS})
+        set(CMAKE_REQUIRED_FLAGS ${Qt5Gui_EXECUTABLE_COMPILE_FLAGS})
+        check_cxx_symbol_exists(QT_OPENGL_DYNAMIC qopenglcontext.h HAVE_QT_OPENGL_DYNAMIC)
+        if (HAVE_QT_OPENGL_DYNAMIC)
+            set(Qt5Gui_OPENGL_IMPLEMENTATION DynamicGL)
+        endif ()
+        unset(CMAKE_REQUIRED_INCLUDES)
+        unset(CMAKE_REQUIRED_FLAGS)
     endif ()
+
+    message("Qt OpenGL implementation: ${Qt5Gui_OPENGL_IMPLEMENTATION}")
 endif ()
 
 if (NOT ENABLE_VIDEO)
@@ -857,7 +873,7 @@ if (MSVC)
     endif ()
 
     if (NOT QT_CONAN_DIR)
-        set(ICU_LIBRARIES icuuc${CMAKE_DEBUG_POSTFIX} icuin${CMAKE_DEBUG_POSTFIX} icudt${CMAKE_DEBUG_POSTFIX})
+        set(ICU_LIBRARIES ${ICU_LIBRARY_PREFIX}icuuc${CMAKE_DEBUG_POSTFIX} ${ICU_LIBRARY_PREFIX}icuin${CMAKE_DEBUG_POSTFIX} ${ICU_LIBRARY_PREFIX}icudt${CMAKE_DEBUG_POSTFIX})
     endif ()
 endif ()
 
diff --git a/Tools/qmake/projects/run_cmake.pro b/Tools/qmake/projects/run_cmake.pro
index 74579c57e..fadfda059 100644
--- a/Tools/qmake/projects/run_cmake.pro
+++ b/Tools/qmake/projects/run_cmake.pro
@@ -62,10 +62,6 @@ build_pass|!debug_and_release {
         else: CMAKE_CONFIG += ZLIB_INCLUDE_DIRS=$$QTBASE_DIR/src/3rdparty/zlib
     }
 
-    qtConfig(opengles2):!qtConfig(dynamicgl) {
-        CMAKE_CONFIG += QT_USES_GLES2_ONLY=1
-    }
-
     exists($$ROOT_BUILD_DIR/conanbuildinfo.cmake):exists($$ROOT_BUILD_DIR/conanfile.txt) {
         CMAKE_CONFIG += QT_CONAN_DIR=$$ROOT_BUILD_DIR
     }
diff --git a/Tools/qt/make-snapshot.pl b/Tools/qt/make-snapshot.pl
index 667890de0..2c2af1a9f 100755
--- a/Tools/qt/make-snapshot.pl
+++ b/Tools/qt/make-snapshot.pl
@@ -36,7 +36,7 @@ scalar @ARGV == 0 || usage();
 -f "ChangeLog" && die "This script must be run in snapshots repository";
 -d ".git" || usage();
 
-`git status` =~ "nothing to commit, working tree clean" or die "Target working tree is dirty";
+`LC_ALL=C LANG=C git status` =~ "nothing to commit, working tree clean" or die "Target working tree is dirty";
 
 my $src_repo = dirname(dirname(dirname(__FILE__)));
 my $target_repo = getcwd();