Fix eigen

src/eigen-2-fix-compiler-version.patch

@@ -0,0 +1,14 @@
+This file is part of MXE.
+See index.html for further information.
+
+--- a/cmake/EigenTesting.cmake
++++ b/cmake/EigenTesting.cmake
+@@ -324,7 +324,7 @@
+     # on all other system we rely on ${CMAKE_CXX_COMPILER}
+     # supporting a "--version" or "/version" flag
+     
+-    if(WIN32 AND NOT CYGWIN)
++    if(WIN32 AND NOT CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_COMPILER_IS_GNUCC)
+       set(EIGEN_CXX_FLAG_VERSION "/version")
+     else()
+       set(EIGEN_CXX_FLAG_VERSION "--version")

src/eigen.mk

@@ -5,7 +5,7 @@ PKG             := eigen
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 3.2.5
 $(PKG)_CHECKSUM := aa4667f0b134f5688c5dff5f03335d9a19aa9b3d
-$(PKG)_SUBDIR   := $(PKG)-$(PKG)-1306d75b4a21
+$(PKG)_SUBDIR   := $(PKG)-$(PKG)-bdd17ee3b1b3
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.bz2
 $(PKG)_URL      := https://bitbucket.org/$(PKG)/$(PKG)/get/$($(PKG)_VERSION).tar.bz2
 $(PKG)_DEPS     := gcc