diff --git a/.travis.yml b/.travis.yml
index 3c4468e4..c11e5576 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,8 +15,14 @@ addons:
 
 sudo: false
 
-#env:
-#  - 'WIN32CROSS=1'
+env:
+  - ''
+  - 'WIN32CROSS=1'
+
+matrix:
+  exclude:
+    - os: osx
+      env: 'WIN32CROSS=1'
 
 compiler:
   - gcc
@@ -31,5 +37,6 @@ install:
 
 script:
   - 'cd $TRAVIS_BUILD_DIR'
+  - 'if [ "$WIN32CROSS" = "1" ] ; then make 3rdparty ; fi'
   - 'if [ "$TRAVIS_OS_NAME" = "osx" ] ; then make ; else make -j3 ; fi'
   - 'make ziprelease'
diff --git a/3rdparty/.gitignore b/3rdparty/.gitignore
new file mode 100644
index 00000000..9df73044
--- /dev/null
+++ b/3rdparty/.gitignore
@@ -0,0 +1,7 @@
+archives/
+usr/
+SDL-*/
+SDL_image*/
+jpeg-*/
+libpng-*/
+tiff-*/
diff --git a/3rdparty/Makefile b/3rdparty/Makefile
new file mode 100644
index 00000000..2c1f3de7
--- /dev/null
+++ b/3rdparty/Makefile
@@ -0,0 +1,123 @@
+SDLDEVEL = SDL-devel-1.2.15-mingw32.tar.gz
+SDLDEVELURL = https://www.libsdl.org/release/$(SDLDEVEL)
+SDLDEVELPATCH = SDL-1.2.15.patch
+SDLIMAGE = SDL_image-1.2.12
+SDLIMAGEARCH = SDL_image-1.2.12.tar.gz
+SDLIMAGEURL = https://www.libsdl.org/projects/SDL_image/release/$(SDLIMAGEARCH)
+LIBPNG = libpng-1.6.32
+LIBPNGARCH = $(LIBPNG).tar.gz
+LIBPNGURL = https://download.sourceforge.net/libpng/$(LIBPNGARCH)
+JPEGVER = 9c
+JPEGDIR = jpeg-$(JPEGVER)
+JPEGARCH = jpegsrc.v$(JPEGVER).tar.gz
+JPEGURL = http://www.ijg.org/files/$(JPEGARCH)
+LIBTIFF = tiff-v3.4
+LIBTIFFARCH = $(LIBTIFF)-tar.gz
+LIBTIFFURL = ftp://ftp.sgi.com/graphics/tiff/$(LIBTIFFARCH)
+# https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-0.6.1.tar.gz
+
+PREFIX = $(PWD)/usr
+
+MKDIR = mkdir -p
+TAR = $(shell which tar)
+GETURL = $(shell which wget || echo "curl -O -L")
+
+BUILD_CC := $(CC)
+
+ifdef WIN32CROSS
+CROSS_CC ?= $(shell which i686-w64-mingw32-gcc || which mingw32-gcc)
+CROSS_AR ?= $(shell which i686-w64-mingw32-ar || which mingw32-ar)
+CROSS_RANLIB ?= $(shell which i686-w64-mingw32-ranlib || which mingw32-ranlib)
+CC = $(CROSS_CC)
+AR = $(CROSS_AR)
+RANLIB = $(CROSS_RANLIB)
+endif
+
+HOST = $(shell $(CC) -dumpmachine)
+#HOST = i686-pc-mingw32
+
+.PHONY:	all clean libs libpng libsdl libsdl_image libjpeg libtiff
+
+all:	libs
+
+clean:
+	$(RM) -r archives $(LIBPNG)
+
+libs:	libpng libsdl libsdl_image
+libsdl:	$(PREFIX)/lib/libSDLmain.a
+libsdl_image:	$(PREFIX)/lib/libSDL_image.a
+libjpeg:	$(PREFIX)/lib/libjpeg.a
+libpng:	$(PREFIX)/lib/libpng.a
+libtiff:	$(PREFIX)/lib/libtiff.a
+
+$(PREFIX)/lib/libSDLmain.a:	archives/$(SDLDEVEL)
+	$(TAR) xzf $<
+	patch -p0 < $(SDLDEVELPATCH)
+	cd SDL-1.2.15 && CROSS_PATH=$(PREFIX) $(MAKE) cross
+
+$(PREFIX)/lib/libSDL_image.a:	$(PREFIX)/lib/libjpeg.a
+$(PREFIX)/lib/libSDL_image.a:	$(PREFIX)/lib/libtiff.a
+$(PREFIX)/lib/libSDL_image.a:	$(PREFIX)/lib/libpng.a
+
+$(PREFIX)/lib/libSDL_image.a:	$(SDLIMAGE)/.ok
+	cd $(SDLIMAGE) && CC=$(CC) CFLAGS=-I$(PREFIX)/include LDFLAGS=-L$(PREFIX)/lib LIBPNG_CFLAGS= LIBPNG_LIBS=-lpng ./configure --prefix=$(PREFIX) --with-sdl-prefix=$(PREFIX) --host=$(HOST) --disable-webp
+	cd $(SDLIMAGE) && $(MAKE)
+	cd $(SDLIMAGE) && $(MAKE) install
+
+$(SDLIMAGE)/.ok:	archives/$(SDLIMAGEARCH)
+	$(TAR) xzf $<
+	touch $@
+
+$(PREFIX)/lib/libjpeg.a:	$(JPEGDIR)/.ok
+	cd $(JPEGDIR) && CC=$(CC) ./configure --prefix=$(PREFIX) --host=$(HOST)
+	cd $(JPEGDIR) && $(MAKE)
+	cd $(JPEGDIR) && $(MAKE) install
+
+$(JPEGDIR)/.ok:	archives/$(JPEGARCH)
+	$(TAR) xzf $<
+	touch $@
+
+$(PREFIX)/lib/libtiff.a:	$(PREFIX)/lib/libjpeg.a
+
+$(PREFIX)/lib/libtiff.a:	$(LIBTIFF)/.ok
+	cd $(LIBTIFF)/libtiff && mv Makefile.in Makefile.in.orig
+	cd $(LIBTIFF)/libtiff && sed 's/[^	]*[ ]\(-o mk[^ ]*\)/$(subst /,\/,$(BUILD_CC)) \1/' Makefile.in.orig > Makefile.in
+	cd $(LIBTIFF) && mv configure configure.orig
+	cd $(LIBTIFF) && sed 's/^\(DIR.*=\).usr.local\(.*\)/\1$(subst /,\/,$(PREFIX))\2/' configure.orig | sed 's/^\(NONINTERACTIVE=\)no/\1yes/' | sed 's/^\(DIR_JPEGLIB=\)[^#]*/\1$(subst /,\/,$(PREFIX))\/lib/' > configure
+	cd $(LIBTIFF) && chmod +x configure
+	cd $(LIBTIFF) && CC=$(CC) AR=$(AR) RANLIB=$(RANLIB) GCOPT=-g ./configure --target=$(HOST)
+	cd $(LIBTIFF) && $(MAKE)
+	cd $(LIBTIFF) && $(MAKE) install
+
+$(LIBTIFF)/.ok:	archives/$(LIBTIFFARCH)
+	$(TAR) xzf $<
+	touch $@
+	
+$(PREFIX)/lib/libpng.a:	$(LIBPNG)/.ok
+	cd $(LIBPNG) && CC=$(CC) ./configure --prefix=$(PREFIX) --host=$(HOST)
+	cd $(LIBPNG) && $(MAKE)
+	cd $(LIBPNG) && $(MAKE) install
+
+$(LIBPNG)/.ok:	archives/$(LIBPNGARCH)
+	$(TAR) xzf $<
+	touch $@
+
+archives/$(LIBPNGARCH):
+	@$(MKDIR) $(@D)
+	cd $(@D) && $(GETURL) $(LIBPNGURL)
+
+archives/$(SDLDEVEL):
+	@$(MKDIR) $(@D)
+	cd $(@D) && $(GETURL) $(SDLDEVELURL)
+
+archives/$(SDLIMAGEARCH):
+	@$(MKDIR) $(@D)
+	cd $(@D) && $(GETURL) $(SDLIMAGEURL)
+
+archives/$(JPEGARCH):
+	@$(MKDIR) $(@D)
+	cd $(@D) && $(GETURL) $(JPEGURL)
+
+archives/$(LIBTIFFARCH):
+	@$(MKDIR) $(@D)
+	cd $(@D) && $(GETURL) $(LIBTIFFURL)
diff --git a/3rdparty/SDL-1.2.15.patch b/3rdparty/SDL-1.2.15.patch
new file mode 100644
index 00000000..48c16ab9
--- /dev/null
+++ b/3rdparty/SDL-1.2.15.patch
@@ -0,0 +1,11 @@
+--- SDL-1.2.15.orig/Makefile	2018-02-18 22:58:20.779552000 +0100
++++ SDL-1.2.15/Makefile	2018-02-18 22:58:27.229780000 +0100
+@@ -1,7 +1,7 @@
+ #
+ # Makefile for installing the Mingw32 version of the SDL library
+ 
+-CROSS_PATH := /usr/local/cross-tools/i686-w64-mingw32
++CROSS_PATH ?= /usr/local/cross-tools/i686-w64-mingw32
+ 
+ all:
+ 	@echo "Type \"make native\" to install to /usr"
diff --git a/Makefile b/Makefile
index 5e0df171..6813a9b2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,20 @@
-.PHONY:	all tools grafx2 ziprelease
+ifdef WIN32CROSS
+OPT = WIN32CROSS=1 \
+
+endif
+
+.PHONY:	all tools grafx2 ziprelease 3rdparty
 
 all:	grafx2 tools
 
 grafx2:
-	$(MAKE) -C src/
+	$(OPT)$(MAKE) -C src/
 
 ziprelease: grafx2
-	$(MAKE) -C src/ ziprelease
+	$(OPT)$(MAKE) -C src/ ziprelease
 
 tools:
 	$(MAKE) -C tools/
+
+3rdparty:
+	cd 3rdparty/ && $(OPT)$(MAKE)