[Webkit-unassigned] [Bug 113638] webkitgtk 2.0.0 fails to build on OpenBSD (and maybe others) powerpc/mips64el/sparc64

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=113638





--- Comment #8 from Emilio Pozuelo Monfort <pochu27 at gmail.com>  2013-08-31 04:31:07 PST ---
(In reply to comment #0)
> If i force-disable assembler/yarr jit with JSC_CPPFLAGS="-DENABLE_YARR_JIT=0 -DENABLE_ASSEMBLER=0" in the build env, it fails with :

This is no longer possible in 2.1.x after the change from bug #119445. CPPFLAGS should be fine though.

The arches that don't support this stuff should define ENABLE_JIT, ENABLE_YARR_JIT and ENABLE_ASSEMBLER to 0 in Source/WTF/wtf/Platform.h

The problem seems to be that YARR_JIT and ASSEMBLER are enabled if one of JIT or LLINT_C_LOOP are enabled:

/* Yet Another Regex Runtime - turned on by default for JIT enabled ports. */
#if !defined(ENABLE_YARR_JIT) && (ENABLE(JIT) || ENABLE(LLINT_C_LOOP)) && !(OS(QNX) && PLATFORM(QT))
#define ENABLE_YARR_JIT 1

But LLINT_C_LOOP is enabled if JIT is disabled, so the above check is always true:

/* If the jit is not available, enable the LLInt C Loop: */
#if !ENABLE(JIT)
#undef ENABLE_LLINT        /* Undef so that we can redefine it. */
#undef ENABLE_LLINT_C_LOOP /* Undef so that we can redefine it. */
#undef ENABLE_DFG_JIT      /* Undef so that we can redefine it. */
#define ENABLE_LLINT 1
#define ENABLE_LLINT_C_LOOP 1
#define ENABLE_DFG_JIT 0
#endif

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