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zandobersek@gmail.com authored
https://bugs.webkit.org/show_bug.cgi?id=120270 Reviewed by Filip Pizlo. .: * Source/autotools/FindDependencies.m4: Disable FTL JIT if the JIT itself is disabled or if the C++ compiler being used is not Clang. Check for llvm-config and use it to properly test for the LLVM >= 3.4 dependency. * Source/autotools/PrintBuildConfiguration.m4: Print out the status of the FTL JIT support. * Source/autotools/ReadCommandLineArguments.m4: Add a configuration flag for enabling the feature, defaulting to 'no' used as the default value for now. This should switch to 'auto' at some point in future. * Source/autotools/SetupAutoconfHeader.m4: Define ENABLE_FTL_JIT to a specific value if possible. Also define HAVE_LLVM to 1 if the LLVM dependency was satisfied. Source/JavaScriptCore: * GNUmakefile.am: Add LLVM_LIBS to the list of linker flags and LLVM_CFLAGS to the list of compiler flags for the JSC library. * GNUmakefile.list.am: Add the missing build targets. * ftl/FTLAbbreviations.h: Include the <cstring> header and use std::strlen. This avoids compilation failures when using the Clang compiler with the libstdc++ standard library. (JSC::FTL::mdKindID): (JSC::FTL::mdString): Source/WTF: * wtf/Platform.h: Define ENABLE_FTL_JIT to the value of 1 for the GTK port if building for the x86-64 architecture with LLVM present and the define not being previously defined. This is applicable when configuring the Automake build with '--enable-ftl-jit=auto'. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154747 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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