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ucontext structure is different between musl and glibc for ppc
therefore its not enough just to check for arch alone, we also
need to check for libc type.
Fixes errors like
Source/JavaScriptCore/heap/MachineStackMarker.cpp:90:65: error: 'struct mcontext_t' has no member named 'uc_regs'; did you mean 'gregs'?
thread->suspendedMachineContext = *userContext->uc_mcontext.uc_regs;
Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Index: webkitgtk-2.16.3/Source/JavaScriptCore/heap/MachineStackMarker.cpp
===================================================================
--- webkitgtk-2.16.3.orig/Source/JavaScriptCore/heap/MachineStackMarker.cpp
+++ webkitgtk-2.16.3/Source/JavaScriptCore/heap/MachineStackMarker.cpp
@@ -88,7 +88,7 @@ static void pthreadSignalHandlerSuspendR
}
ucontext_t* userContext = static_cast<ucontext_t*>(ucontext);
-#if CPU(PPC)
+#if CPU(PPC) && defined(__GLIBC__)
threadData->suspendedMachineContext = *userContext->uc_mcontext.uc_regs;
#else
threadData->suspendedMachineContext = userContext->uc_mcontext;
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