Litecoin: mingw32 -mstackrealign to prevent SSE2 misalignment crashes

bitcoin-qt.pro

@@ -322,7 +322,7 @@ contains(USE_SSE2, 1) {
 DEFINES += USE_SSE2
 gccsse2.input  = SOURCES_SSE2
 gccsse2.output = $$PWD/build/${QMAKE_FILE_BASE}.o
-gccsse2.commands = $(CXX) -c $(CXXFLAGS) $(INCPATH) -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_NAME} -msse2
+gccsse2.commands = $(CXX) -c $(CXXFLAGS) $(INCPATH) -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_NAME} -msse2 -mstackrealign
 QMAKE_EXTRA_COMPILERS += gccsse2
 SOURCES_SSE2 += src/scrypt-sse2.cpp
 }

src/makefile.linux-mingw

@@ -109,7 +109,7 @@ version.cpp: obj/build.h
 DEFS += -DHAVE_BUILD_INFO
 
 obj/%-sse2.o: %-sse2.cpp
-	$(CXX) -c $(xCXXFLAGS) -msse2 -o $@ $<
+	$(CXX) -c $(xCXXFLAGS) -msse2 -mstackrealign -o $@ $<
 
 obj/%.o: %.cpp $(HEADERS)
 	$(CXX) -c $(xCXXFLAGS) -o $@ $<

src/makefile.mingw

@@ -123,7 +123,7 @@ leveldb/libleveldb.a:
 	cd leveldb && $(MAKE) CC=$(CC) CXX=$(CXX) OPT="$(CFLAGS)" TARGET_OS=NATIVE_WINDOWS libleveldb.a libmemenv.a && cd ..
 
 obj/%-sse2.o: %-sse2.cpp
-	$(CXX) -c $(CFLAGS) -msse2 -o $@ $<
+	$(CXX) -c $(CFLAGS) -msse2 -mstackrealign -o $@ $<
 
 obj/%.o: %.cpp $(HEADERS)
 	$(CXX) -c $(CFLAGS) -o $@ $<