[Webkit-unassigned] [Bug 153103] New: llint: won't compile with gcc's LTO - patch needed
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Jan 14 12:28:41 PST 2016
https://bugs.webkit.org/show_bug.cgi?id=153103
Bug ID: 153103
Summary: llint: won't compile with gcc's LTO - patch needed
Classification: Unclassified
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Linux
Status: NEW
Severity: Minor
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: kabel at blackhole.sk
Created attachment 268989
--> https://bugs.webkit.org/attachment.cgi?id=268989&action=review
webkit-llint-gcc-lto.patch
When compiling WebKit with GCC's Link Time Optimizations, the functions included from DerivedSources/JavaScriptCore/LLIntAssembly.h, included from Source/JavaScriptCore/llint/LowLevelInterpreter.cpp, aren't expodes and linking of libJavaScriptCore fails.
This patch checks if GCC is used and if it is of versions which supports LTO, and if it is, disables the -flto flag for one compilation unit, LowLevelInterpreter.cpp, with GCC's #pragma directive.
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