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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/204823">204823</a></dd>
<dt>Author</dt> <dd>carlosgc@webkit.org</dd>
<dt>Date</dt> <dd>2016-08-23 05:30:41 -0700 (Tue, 23 Aug 2016)</dd>
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<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/203446">r203446</a> - JSC JIT Broken on ARMv7 Traditional (without Thumb2)
https://bugs.webkit.org/show_bug.cgi?id=159880
Reviewed by Carlos Garcia Campos.
* Source/cmake/OptionsCommon.cmake: Use the BFD linker on ARM traditional because of a gold linker bug.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit212ChangeLog">releases/WebKitGTK/webkit-2.12/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit212SourcecmakeOptionsCommoncmake">releases/WebKitGTK/webkit-2.12/Source/cmake/OptionsCommon.cmake</a></li>
</ul>
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<h3>Diff</h3>
<a id="releasesWebKitGTKwebkit212ChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/ChangeLog (204822 => 204823)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/ChangeLog 2016-08-23 12:28:08 UTC (rev 204822)
+++ releases/WebKitGTK/webkit-2.12/ChangeLog 2016-08-23 12:30:41 UTC (rev 204823)
</span><span class="lines">@@ -1,3 +1,12 @@
</span><ins>+2016-07-20 Csaba Osztrogonác <ossy@webkit.org>
+
+ JSC JIT Broken on ARMv7 Traditional (without Thumb2)
+ https://bugs.webkit.org/show_bug.cgi?id=159880
+
+ Reviewed by Carlos Garcia Campos.
+
+ * Source/cmake/OptionsCommon.cmake: Use the BFD linker on ARM traditional because of a gold linker bug.
+
</ins><span class="cx"> 2016-05-24 Carlos Garcia Campos <cgarcia@igalia.com>
</span><span class="cx">
</span><span class="cx"> Unreviewed. Update OptionsGTK.cmake and NEWS for 2.12.3 release.
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit212SourcecmakeOptionsCommoncmake"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/Source/cmake/OptionsCommon.cmake (204822 => 204823)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/Source/cmake/OptionsCommon.cmake 2016-08-23 12:28:08 UTC (rev 204822)
+++ releases/WebKitGTK/webkit-2.12/Source/cmake/OptionsCommon.cmake 2016-08-23 12:30:41 UTC (rev 204823)
</span><span class="lines">@@ -68,10 +68,29 @@
</span><span class="cx">
</span><span class="cx"> EXPOSE_VARIABLE_TO_BUILD(WTF_CPU_ARM64_CORTEXA53)
</span><span class="cx">
</span><ins>+set(ARM_TRADITIONAL_DETECTED FALSE)
+if (WTF_CPU_ARM)
+ set(ARM_THUMB2_TEST_SOURCE
+ "
+ #if !defined(thumb2) && !defined(__thumb2__)
+ #error \"Thumb2 instruction set isn't available\"
+ #endif
+ int main() {}
+ ")
+
+ include(CheckCXXSourceCompiles)
+ CHECK_CXX_SOURCE_COMPILES("${ARM_THUMB2_TEST_SOURCE}" ARM_THUMB2_DETECTED)
+ if (NOT ARM_THUMB2_DETECTED)
+ set(ARM_TRADITIONAL_DETECTED TRUE)
+ # See https://bugs.webkit.org/show_bug.cgi?id=159880#c4 for details.
+ message(STATUS "Disabling GNU gold linker, because it doesn't support ARM instruction set properly.")
+ endif ()
+endif ()
+
</ins><span class="cx"> # Use ld.gold if it is available and isn't disabled explicitly
</span><span class="cx"> include(CMakeDependentOption)
</span><span class="cx"> CMAKE_DEPENDENT_OPTION(USE_LD_GOLD "Use GNU gold linker" ON
</span><del>- "NOT CXX_ACCEPTS_MFIX_CORTEX_A53_835769" OFF)
</del><ins>+ "NOT CXX_ACCEPTS_MFIX_CORTEX_A53_835769;NOT ARM_TRADITIONAL_DETECTED" OFF)
</ins><span class="cx"> if (USE_LD_GOLD)
</span><span class="cx"> execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
</span><span class="cx"> if ("${LD_VERSION}" MATCHES "GNU gold")
</span></span></pre>
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