Apply IXWebSocket patch automatically

CMakeLists.txt

@@ -63,6 +63,12 @@ option(WITH_TOOLS "Build utility tools"  NO)
 add_subdirectory(src/additional/libqrencode)
 add_subdirectory(src/additional/IXWebSocket)
 
+# Apply patch for IXWebSocket issue
+execute_process (
+    COMMAND sh -c "${CMAKE_CURRENT_SOURCE_DIR}/src/additional/fix_cerrno.sh"
+    OUTPUT_VARIABLE outIxVar
+)
+
 # Set default root path for berkeley db
 if (NOT BerkeleyDB_ROOT)
 set(BerkeleyDB_ROOT /usr)

src/CMakeLists.txt

@@ -47,6 +47,12 @@ set(OPENSSL_USE_STATIC_LIBS ON)
 find_package(OpenSSL REQUIRED)
 add_subdirectory(additional/IXWebSocket)
 
+# Apply patch for IXWebSocket issue
+execute_process (
+    COMMAND sh -c "${CMAKE_CURRENT_SOURCE_DIR}/additional/fix_cerrno.sh"
+    OUTPUT_VARIABLE outIxVar
+)
+
 # Set default root path for berkeley db
 if (NOT BerkeleyDB_ROOT)
 set(BerkeleyDB_ROOT /usr)

src/additional/cerrno_include.patch

@@ -0,0 +1,12 @@
+diff --git a/ixwebsocket/IXNetSystem.h b/ixwebsocket/IXNetSystem.h
+index 21131b4..7ca58f4 100644
+--- a/ixwebsocket/IXNetSystem.h
++++ b/ixwebsocket/IXNetSystem.h
+@@ -17,6 +17,7 @@
+ #include <basetsd.h>
+ #include <io.h>
+ #include <ws2def.h>
++#include <cerrno>
+
+ #undef EWOULDBLOCK
+ #undef EAGAIN

src/additional/fix_cerrno.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+PREVDIR=$(pwd)
+SCRIPT=$(readlink -f $0)
+ROOT=`dirname $SCRIPT`
+
+cd $ROOT/IXWebSocket
+git reset --hard 8c15405
+patch -s -p1 < ../cerrno_include.patch
+git -c user.name='CryptoManiac' -c user.email='[email protected]' commit -a -m 'Fix cerrno'
+cd $PREVDIR