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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/176442">176442</a></dd>
<dt>Author</dt> <dd>ossy@webkit.org</dd>
<dt>Date</dt> <dd>2014-11-20 23:06:28 -0800 (Thu, 20 Nov 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>[CMake] Use ld.gold if it is available to speedup builds
https://bugs.webkit.org/show_bug.cgi?id=137953
Reviewed by Carlos Garcia Campos.
* Source/cmake/OptionsCommon.cmake:</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkChangeLog">trunk/ChangeLog</a></li>
<li><a href="#trunkSourcecmakeOptionsCommoncmake">trunk/Source/cmake/OptionsCommon.cmake</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/ChangeLog (176441 => 176442)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/ChangeLog 2014-11-21 06:59:12 UTC (rev 176441)
+++ trunk/ChangeLog 2014-11-21 07:06:28 UTC (rev 176442)
</span><span class="lines">@@ -1,3 +1,12 @@
</span><ins>+2014-11-20 Csaba Osztrogonác <ossy@webkit.org>
+
+ [CMake] Use ld.gold if it is available to speedup builds
+ https://bugs.webkit.org/show_bug.cgi?id=137953
+
+ Reviewed by Carlos Garcia Campos.
+
+ * Source/cmake/OptionsCommon.cmake:
+
</ins><span class="cx"> 2014-11-19 Akos Kiss <akiss@inf.u-szeged.hu>
</span><span class="cx">
</span><span class="cx"> Fix the detection of toolchain support for Cortex-A53 erratum 835769 workaround
</span></span></pre></div>
<a id="trunkSourcecmakeOptionsCommoncmake"></a>
<div class="modfile"><h4>Modified: trunk/Source/cmake/OptionsCommon.cmake (176441 => 176442)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/cmake/OptionsCommon.cmake 2014-11-21 06:59:12 UTC (rev 176441)
+++ trunk/Source/cmake/OptionsCommon.cmake 2014-11-21 07:06:28 UTC (rev 176442)
</span><span class="lines">@@ -60,14 +60,25 @@
</span><span class="cx"> endif ()
</span><span class="cx"> endif ()
</span><span class="cx">
</span><ins>+# Use ld.gold if it is available and isn't disabled explicitly
+option(USE_LD_GOLD "Use GNU gold linker" ON)
+if (USE_LD_GOLD)
+ execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
+ if ("${LD_VERSION}" MATCHES "GNU gold")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fuse-ld=gold")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-ld=gold")
+ else ()
+ message(WARNING "GNU gold linker isn't available, using the default system linker.")
+ endif ()
+endif ()
+
</ins><span class="cx"> option(DEBUG_FISSION "Use Debug Fission support")
</span><span class="cx"> if (DEBUG_FISSION)
</span><del>- execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
- if (NOT "${LD_VERSION}" MATCHES "GNU gold")
</del><ins>+ if (NOT USE_LD_GOLD)
</ins><span class="cx"> message(FATAL_ERROR "Need GNU gold linker for Debug Fission support")
</span><span class="cx"> endif ()
</span><del>- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -gsplit-dwarf -fuse-ld=gold")
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -gsplit-dwarf -fuse-ld=gold")
</del><ins>+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -gsplit-dwarf")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -gsplit-dwarf")
</ins><span class="cx"> set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
</span><span class="cx"> set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
</span><span class="cx"> endif ()
</span></span></pre>
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