From e1e6e94c5de064b5573f9bc9efbe0b9b679d9c0f Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Mon, 4 Sep 2017 09:56:34 -0500
Subject: [PATCH] webkitgtk: Add musl patch from Alpine re:execinfo, use libc++
 on ALLVM

---
 pkgs/development/libraries/webkitgtk/2.4.nix  |  2 ++
 .../libraries/webkitgtk/fix-execinfo.patch    | 20 +++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 pkgs/development/libraries/webkitgtk/fix-execinfo.patch

diff --git a/pkgs/development/libraries/webkitgtk/2.4.nix b/pkgs/development/libraries/webkitgtk/2.4.nix
index 6669b562400..18d20bf9c78 100644
--- a/pkgs/development/libraries/webkitgtk/2.4.nix
+++ b/pkgs/development/libraries/webkitgtk/2.4.nix
@@ -53,6 +53,8 @@ stdenv.mkDerivation rec {
     ./quartz-webcore.patch
     ./libc++.patch
     ./plugin-none.patch
+  ] ++ optionals stdenv.hostPlatform.isMusl [
+    ./fix-execinfo.patch
   ];
 
   configureFlags = with stdenv.lib; [
diff --git a/pkgs/development/libraries/webkitgtk/fix-execinfo.patch b/pkgs/development/libraries/webkitgtk/fix-execinfo.patch
new file mode 100644
index 00000000000..eb825312f3b
--- /dev/null
+++ b/pkgs/development/libraries/webkitgtk/fix-execinfo.patch
@@ -0,0 +1,20 @@
+--- webkitgtk-2.2.0.orig/Source/WTF/wtf/Assertions.cpp
++++ webkitgtk-2.2.0/Source/WTF/wtf/Assertions.cpp
+@@ -64,7 +64,7 @@
+ #include <windows.h>
+ #endif
+ 
+-#if OS(DARWIN) || (OS(LINUX) && !defined(__UCLIBC__))
++#if OS(DARWIN) || (OS(LINUX) && defined(__GLIBC__) && !defined(__UCLIBC__))
+ #include <cxxabi.h>
+ #include <dlfcn.h>
+ #include <execinfo.h>
+@@ -242,7 +242,7 @@
+ 
+ void WTFGetBacktrace(void** stack, int* size)
+ {
+-#if OS(DARWIN) || (OS(LINUX) && !defined(__UCLIBC__))
++#if OS(DARWIN) || (OS(LINUX) && defined(__GLIBC__) && !defined(__UCLIBC__))
+     *size = backtrace(stack, *size);
+ #elif OS(WINDOWS) && !OS(WINCE)
+     // The CaptureStackBackTrace function is available in XP, but it is not defined