Building MXE / nettle

[Stefan Mahr]

Hi Michael,

'nettle' fails to build for mingw builds, since you introduced a new
variable 'CCAS' that not exist. The patch below works as temporary solution.

Stefan

------------------------------------------
--- a/src/nettle.mk     Sat Jun 22 13:19:20 2013 -0400
+++ b/src/nettle.mk     Sun Jun 23 13:11:24 2013 +0200
@@ -45,7 +45,7 @@
     cd '$(1)' && ./configure \
         $(CONFIGURE_CPPFLAGS) $(CONFIGURE_LDFLAGS) \
         $(HOST_AND_BUILD_CONFIGURE_OPTIONS) \
-        $(ENABLE_SHARED_OR_STATIC) \
+        $(ENABLE_SHARED_OR_STATIC) CCAS=$(MXE_CC)\
         --prefix='$(HOST_PREFIX)'
     $(MAKE) -C '$(1)' -j '$(JOBS)' getopt.o getopt1.o
     $(MAKE) -C '$(1)' -j '$(JOBS)'