Add build scripts for MSVC

Files provided by Alessandro Furieri

makefile.vc

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+# $Id: makefile.vc 2016/04/24 Sandro Furieri $
+#
+# NMAKE Makefile to build librttopo on Windows
+#
+!INCLUDE nmake.opt
+
+LIBOBJ	 = src\box2d.obj src\bytebuffer.obj src\g_box.obj \
+	src\g_serialized.obj src\g_util.obj src\measures3d.obj src\measures.obj \
+	src\ptarray.obj src\rtalgorithm.obj src\rtcircstring.obj src\rtcollection.obj \
+	src\rtcompound.obj src\rtcurvepoly.obj src\rtgeodetic.obj \
+	src\rtgeom_api.obj src\rtgeom.obj src\rtgeom_debug.obj src\rtgeom_geos.obj \
+	src\rtgeom_geos_clean.obj src\rtgeom_geos_node.obj src\rtgeom_geos_split.obj \
+	src\rtgeom_topo.obj src\rthomogenize.obj src\rtin_geojson.obj src\rtin_twkb.obj \
+	src\rtin_wkb.obj src\rtiterator.obj src\rtlinearreferencing.obj src\rtline.obj \
+	src\rtmcurve.obj src\rtmline.obj src\rtmpoint.obj src\rtmpoly.obj src\rtmsurface.obj \
+	src\rtout_encoded_polyline.obj src\rtout_geojson.obj src\rtout_gml.obj \
+	src\rtout_kml.obj src\rtout_svg.obj src\rtout_twkb.obj src\rtout_wkb.obj \
+	src\rtout_wkt.obj src\rtout_x3d.obj src\rtpoint.obj src\rtpoly.obj src\rtprint.obj \
+	src\rtpsurface.obj src\rtspheroid.obj src\rtstroke.obj src\rttin.obj src\rttree.obj \
+	src\rttriangle.obj src\rtutil.obj src\stringbuffer.obj src\varint.obj
+
+LIBRTTOPO_DLL	 	       =	librttopo$(VERSION).dll
+
+CFLAGS	=	/nologo -IC:\OSGeo4W\include -I. -Iheaders $(OPTFLAGS)
+
+default:	all
+
+all: librttopo.lib librttopo_i.lib
+
+librttopo.lib:	$(LIBOBJ)
+	if exist librttopo.lib del librttopo.lib
+	lib /out:librttopo.lib $(LIBOBJ)
+
+$(LIBRTTOPO_DLL):	librttopo_i.lib
+
+librttopo_i.lib:	$(LIBOBJ)
+	link /debug /dll /out:$(LIBRTTOPO_DLL) \
+		/implib:librrttopo_i.lib $(LIBOBJ) \
+		C:\OSGeo4W\lib\geos_c.lib
+	if exist $(LIBRTTOPO_DLL).manifest mt -manifest \
+		$(LIBRTTOPO_DLL).manifest -outputresource:$(LIBRTTOPO_DLL);2
+
+.c.obj:
+	$(CC) $(CFLAGS) /c $*.c /Fo$@
+
+clean:
+	del *.dll
+	del *.exp
+	del *.manifest
+	del *.lib
+	del src\*.obj
+	del *.pdb
+
+install: all
+	-mkdir $(INSTDIR)
+	-mkdir $(INSTDIR)\bin
+	-mkdir $(INSTDIR)\lib
+	-mkdir $(INSTDIR)\include
+	copy *.dll $(INSTDIR)\bin
+	copy *.lib $(INSTDIR)\lib
+	copy headers\*.h $(INSTDIR)\include
+

nmake.opt

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+# Directory tree where RTTOPO will be installed.
+INSTDIR=C:\OSGeo4W
+
+# Uncomment the first for an optimized build, or the second for debug.
+OPTFLAGS=	/nologo /Ox /fp:precise /W4 /MD /D_CRT_SECURE_NO_WARNINGS \
+			/DDLL_EXPORT
+#OPTFLAGS=	/nologo /Zi /MD /Fdlibrttopo.pdb /DDLL_EXPORT
+
+# Set the version number for the DLL.  Normally we leave this blank since
+# we want software that is dynamically loading the DLL to have no problem
+# with version numbers.
+VERSION=
+