diff --git a/src/openexr-1-fix-aligned-alloc.patch b/src/openexr-1-fix-aligned-alloc.patch
new file mode 100644
index 00000000..131d2a1f
--- /dev/null
+++ b/src/openexr-1-fix-aligned-alloc.patch
@@ -0,0 +1,38 @@
+diff -uNr openexr-2.1.0.orig/IlmImf/ImfSystemSpecific.h openexr-2.1.0/IlmImf/ImfSystemSpecific.h
+--- openexr-2.1.0.orig/IlmImf/ImfSystemSpecific.h	2013-10-21 21:02:22.000000000 +0200
++++ openexr-2.1.0/IlmImf/ImfSystemSpecific.h	2015-01-07 15:31:25.851288890 +0100
+@@ -58,6 +58,20 @@
+ #define EXR_FORCEINLINE inline
+ #define EXR_RESTRICT __restrict
+ 
++#ifdef __MINGW32__
++
++static void* EXRAllocAligned(size_t size, size_t alignment)
++{
++    return _aligned_malloc(size, alignment);
++}
++
++static void EXRFreeAligned(void* ptr)
++{
++    return _aligned_free(ptr);
++}
++
++#else
++
+ static void* EXRAllocAligned(size_t size, size_t alignment)
+ {
+     void* ptr = 0;
+@@ -65,12 +79,12 @@
+     return ptr;
+ }
+ 
+-
+ static void EXRFreeAligned(void* ptr)
+ {
+     free(ptr);
+ }
+ 
++#endif
+ #elif defined _MSC_VER
+ 
+ #define EXR_FORCEINLINE __forceinline
diff --git a/src/openexr.mk b/src/openexr.mk
index e37100de..a371b81d 100644
--- a/src/openexr.mk
+++ b/src/openexr.mk
@@ -38,7 +38,8 @@ define $(PKG)_BUILD
         --disable-threading \
         --disable-posix-sem \
         --disable-ilmbasetest \
-        PKG_CONFIG='$(PREFIX)/bin/$(TARGET)-pkg-config'
+        PKG_CONFIG='$(PREFIX)/bin/$(TARGET)-pkg-config' \
+        CXXFLAGS="-fpermissive"
     # build the code generator manually
     cd '$(1)/IlmImf' && g++ \
         -I'$(1)/ilmbase/include/OpenEXR' \
@@ -54,5 +55,3 @@ define $(PKG)_BUILD
         '$(2).cpp' -o '$(PREFIX)/$(TARGET)/bin/test-openexr.exe' \
         `'$(TARGET)-pkg-config' OpenEXR --cflags --libs`
 endef
-
-$(PKG)_BUILD_x86_64-w64-mingw32 =