contrib: Allow libebml build on Android x86

This package needs exceptions.
Signed-off-by: Rafaël Carré <funman@videolan.org>

contrib/src/ebml/rules.mak

@@ -15,11 +15,15 @@ libebml: libebml-$(EBML_VERSION).tar.bz2 .sum-ebml
 	$(APPLY) $(SRC)/ebml/no-ansi.patch
 	$(MOVE)
 
+# libebml requires exceptions
+EBML_EXTRA_FLAGS = CXXFLAGS="${CXXFLAGS} -fexceptions" \
+					CPPFLAGS=""
+
 .ebml: libebml
 ifdef HAVE_WIN32
 	cd $< && $(MAKE) -C make/mingw32 prefix="$(PREFIX)" $(HOSTVARS) SHARED=no
 else
-	cd $< && $(MAKE) -C make/linux prefix="$(PREFIX)" $(HOSTVARS) staticlib
+	cd $< && $(MAKE) -C make/linux prefix="$(PREFIX)" $(HOSTVARS) $(EBML_EXTRA_FLAGS) staticlib
 endif
 	cd $< && $(MAKE) -C make/linux install_staticlib install_headers prefix="$(PREFIX)" $(HOSTVARS)
 	$(RANLIB) "$(PREFIX)/lib/libebml.a"