qt: also patch webkit instance of javascriptcore

	Fixes all over the tree.

	Updated/fixed packages: libglib2

	Updated/fixed packages: libglib2, qt

	Issues resolved (http://bugs.uclibc.org):

	#2809: failed to compile libglib2

	#2821: [PATCH] Patch for JavaScriptCore in QtWebKit module

	#2827: qt-4.7.0-pthread_getattr_np.patch invalid for qt 4.6...

2010.11-rc1, Released November 8th, 2010:

--- a/src/3rdparty/webkit/JavaScriptCore/runtime/Collector.cpp	2010-09-10 11:05:22.000000000 +0200

+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/Collector.cpp	2010-11-15 16:39:53.000000000 +0100

@@ -70,6 +70,18 @@

 #endif

 #include <unistd.h>

+#if defined(__UCLIBC__)

+// versions of uClibc 0.9.31 and below do not have

+// pthread_getattr_np or pthread_attr_getstack.

+#if __UCLIBC_MAJOR__ == 0 && \

+    (__UCLIBC_MINOR__ < 9 || \

+    (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ <= 31))

+#define UCLIBC_USE_PROC_SELF_MAPS 1

+#include <stdio_ext.h>

+extern int* __libc_stack_end;

+#endif

+#endif

+

 #if OS(SOLARIS)

 #include <thread.h>

 #else

@@ -580,6 +592,37 @@

     get_thread_info(find_thread(NULL), &threadInfo);

     return threadInfo.stack_end;

 #elif OS(UNIX)

+#ifdef UCLIBC_USE_PROC_SELF_MAPS

+    // Read /proc/self/maps and locate the line whose address

+    // range contains __libc_stack_end.

+    FILE* file = fopen("/proc/self/maps", "r");

+    if (!file)

+        return 0;

+    __fsetlocking(file, FSETLOCKING_BYCALLER);

+    char* line = 0;

+    size_t lineLen = 0;

+    while (!feof_unlocked(file)) {

+        if (getdelim(&line, &lineLen, '\n', file) <= 0)

+            break;

+

+        long from;

+        long to;

+        if (sscanf (line, "%lx-%lx", &from, &to) != 2)

+            continue;

+        if (from <= (long)__libc_stack_end && (long)__libc_stack_end < to) {

+            fclose(file);

+            free(line);

+#ifdef _STACK_GROWS_UP

+            return (void *)from;

+#else

+            return (void *)to;

+#endif

+        }

+    }

+    fclose(file);

+    free(line);

+    return 0;

+#else

     AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex);

     MutexLocker locker(mutex);

     static void* stackBase = 0;

@@ -603,6 +646,7 @@

         stackThread = thread;

     }

     return static_cast<char*>(stackBase) + stackSize;

+#endif

 #elif OS(WINCE)

     AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex);

     MutexLocker locker(mutex);