Patches that should fix the build with gcc<=4.9.0 (observed on joerg's bulk
builds on NetBSD 7.0)

Index: Makefile
===================================================================
RCS file: /cvsroot/pkgsrc/www/webkit-gtk/Makefile,v
retrieving revision 1.113
diff -u -p -r1.113 Makefile
--- Makefile	30 May 2016 19:11:31 -0000	1.113
+++ Makefile	13 Jun 2016 15:28:31 -0000
@@ -23,7 +23,8 @@ USE_TOOLS+=	automake bison gmake perl:bu
 
 # GCC >= 4.7 or Clang >= 3.3
 # XXX: Kludge, upstream needs GCC 4.9.0 for IndexedDB support.
-# XXX: patches/patch-Source_cmake_OptionsGTK.cmake disables that to
+# XXX: patches/patch-Source_cmake_OptionsGTK.cmake and
+# XXX: patches/patch-Source_WTF_wtf_Compiler.h disables that to
 # XXX: avoid requiring GCC 4.9.0.
 GCC_REQD+=	4.7
 
Index: distinfo
===================================================================
RCS file: /cvsroot/pkgsrc/www/webkit-gtk/distinfo,v
retrieving revision 1.90
diff -u -p -r1.90 distinfo
--- distinfo	30 May 2016 19:11:31 -0000	1.90
+++ distinfo	13 Jun 2016 15:28:31 -0000
@@ -9,6 +9,7 @@ SHA1 (patch-Source_JavaScriptCore_assemb
 SHA1 (patch-Source_JavaScriptCore_assembler_MacroAssemblerARM.cpp) = f78e6150ed8901b3fe046b2ef182f50f1c7500a4
 SHA1 (patch-Source_JavaScriptCore_dfg_DFGNode.h) = 0d82552c6cc1f4885a2bcc539963c966216c977c
 SHA1 (patch-Source_ThirdParty_gtest_include_gtest_internal_gtest-port.h) = f1eee7f9d3012edee1915234c837cff820f97092
+SHA1 (patch-Source_WTF_wtf_Compiler.h) = f4f7771e4b421dddf9f73c7131e671d0c34b906c
 SHA1 (patch-Source_WTF_wtf_MathExtras.h) = 01195978abe07154fbc28de9efc47b3f3105fd89
 SHA1 (patch-Source_cmake_OptionsCommon.cmake) = 09a837ee65cdc79cc22220ce713e346fe8752c50
 SHA1 (patch-Source_cmake_OptionsGTK.cmake) = ac5c5b51000684abfe60894dea36cc4a60f4d263
Index: patches/patch-Source_WTF_wtf_Compiler.h
===================================================================
RCS file: patches/patch-Source_WTF_wtf_Compiler.h
diff -N patches/patch-Source_WTF_wtf_Compiler.h
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ patches/patch-Source_WTF_wtf_Compiler.h	13 Jun 2016 15:28:31 -0000
@@ -0,0 +1,32 @@
+$NetBSD$
+
+Revert upstream changeset 188912, requested in:
+
+ <https://bugs.webkit.org/show_bug.cgi?id=148430>
+
+XXX: Actually in pkgsrc we are using a kludge in order to avoid a pretty new gcc
+XXX: version, that in reality is needed only for IndexedDB support (disabled in
+XXX: the pkgsrc case).
+
+--- Source/WTF/wtf/Compiler.h.orig	2016-04-11 06:18:43.000000000 +0000
++++ Source/WTF/wtf/Compiler.h
+@@ -70,15 +70,17 @@
+ #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
+ #define GCC_VERSION_AT_LEAST(major, minor, patch) (GCC_VERSION >= (major * 10000 + minor * 100 + patch))
+ 
+-#if !GCC_VERSION_AT_LEAST(4, 9, 0)
+-#error "Please use a newer version of GCC. WebKit requires GCC 4.9.0 or newer to compile."
++#if !GCC_VERSION_AT_LEAST(4, 7, 0)
++#error "Please use a newer version of GCC. WebKit requires GCC 4.7.0 or newer to compile."
+ #endif
+ 
+ #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
+ #define WTF_COMPILER_SUPPORTS_C_STATIC_ASSERT 1
+ #endif
+ 
++#if GCC_VERSION_AT_LEAST(4, 8, 0)
+ #pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
++#endif
+ 
+ #endif /* COMPILER(GCC) */
+