diff --git a/CMakeLists.txt b/CMakeLists.txt
index 72269494cd..8affe7f05f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,7 +53,9 @@ option( KICAD_SCRIPTING_WXPYTHON
 
 option( USE_FP_LIB_TABLE "Use the new footprint library table implementation. ( default OFF)" )
 
-option( BUILD_GITHUB_PLUGIN "Build the GITHUB_PLUGIN for pcbnew." OFF )
+if( NOT MINGW )     # BUILD_GITHUB_PLUGIN is not MINGW ready yet.
+    option( BUILD_GITHUB_PLUGIN "Build the GITHUB_PLUGIN for pcbnew." OFF )
+endif()
 
 
 #Set version option (stable or testing)
diff --git a/CMakeModules/download_boost.cmake b/CMakeModules/download_boost.cmake
index 68c9cb7cfc..02361b4c69 100644
--- a/CMakeModules/download_boost.cmake
+++ b/CMakeModules/download_boost.cmake
@@ -104,6 +104,7 @@ if( BUILD_GITHUB_PLUGIN )
     ExternalProject_Add( boost
         PREFIX          "${PREFIX}"
         DOWNLOAD_DIR    "${DOWNLOAD_DIR}"
+        INSTALL_DIR     "${BOOST_ROOT}"
         URL             http://downloads.sourceforge.net/project/boost/boost/${BOOST_RELEASE}/boost_${BOOST_VERS}.tar.bz2
         URL_MD5         ${BOOST_MD5}
 
@@ -123,14 +124,16 @@ if( BUILD_GITHUB_PLUGIN )
                         threading=multi
                         toolset=gcc
                         #link=static
-                        --prefix=${BOOST_ROOT}
+                        --prefix=<INSTALL_DIR>
                         install
 
         INSTALL_COMMAND ""
         )
 
-    file( GLOB boost_libs "${BOOST_ROOT}/lib/*${CMAKE_STATIC_LIBRARY_SUFFIX}" )
-    #message( STATUS BOOST_ROOT:${BOOST_ROOT}  boost_libs:${boost_libs} )
+    ExternalProject_Get_Property( boost install_dir )
+
+    file( GLOB boost_libs "${install_dir}/lib/*${CMAKE_STATIC_LIBRARY_SUFFIX}" )
+    message( STATUS BOOST_ROOT:${BOOST_ROOT}  boost_libs:${boost_libs} )
     set( Boost_LIBRARIES    ${boost_libs}           CACHE FILEPATH "Boost libraries directory" )
     set( Boost_INCLUDE_DIR  "${BOOST_ROOT}/include" CACHE FILEPATH "Boost include directory" )
 
diff --git a/pcbnew/github/CMakeLists.txt b/pcbnew/github/CMakeLists.txt
index 191c27ca2e..cb4538ac8f 100644
--- a/pcbnew/github/CMakeLists.txt
+++ b/pcbnew/github/CMakeLists.txt
@@ -47,8 +47,8 @@ include_directories( . ${OPENSSL_INCLUDE_DIR} ${AVHTTP_INCLUDE_DIR} )
 add_definitions( -DAVHTTP_ENABLE_OPENSSL )
 
 # tone down the compiler warnings for avhttp header library:
-set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-sign-compare -Wno-reorder -Wno-unused-variable -Wno-unused-function" )
-
+set( CMAKE_CXX_FLAGS
+    "${CMAKE_CXX_FLAGS} -Wno-sign-compare -Wno-reorder -Wno-unused-variable -Wno-unused-function -Wno-strict-aliasing" )
 
 set( GITHUB_PLUGIN_SRCS
     github_plugin.cpp