NMake build: added support for WinCNG build.

NMakefile

@@ -1,7 +1,10 @@
 !include "win32/config.mk"
 
-# only OpenSSL is supported with this build system
+!if "$(WITH_WINCNG)" == "1"
+!include "Makefile.WinCNG.inc"
+!else
 !include "Makefile.OpenSSL.inc"
+!endif
 !include "Makefile.inc"
 
 OBJECTS=$(CSOURCES:.c=.obj)
@@ -14,6 +17,7 @@ all-sub: win32\objects.mk
 
 clean: 
 	-rmdir 2>NUL /s/q $(TARGET)
+	-del 2>NUL win32\objects.mk
 
 real-clean vclean: clean
 	-del 2>NUL libssh2.dll
@@ -21,7 +25,6 @@ real-clean vclean: clean
 	-del 2>NUL libssh2.ilk
 	-del 2>NUL libssh2.lib
 	-del 2>NUL *.pdb
-	-del 2>NUL win32\objects.mk
 
 win32\objects.mk: Makefile.inc
 	@echo OBJECTS = \>$@

win32/config.mk

@@ -1,19 +1,19 @@
 
 # Tweak these for your system
 !if "$(OPENSSLINC)" == ""
-OPENSSLINC=..\openssl-0.9.8x\inc32
+OPENSSLINC=..\openssl-0.9.8zc\inc32
 !endif
 
 !if "$(OPENSSLLIB)" == ""
-OPENSSLLIB=..\openssl-0.9.8x\out32dll
+OPENSSLLIB=..\openssl-0.9.8zc\out32dll
 !endif
 
 !if "$(ZLIBINC)" == ""
-ZLIBINC=-DLIBSSH2_HAVE_ZLIB=1 /I..\zlib-1.2.7
+ZLIBINC=..\zlib-1.2.8
 !endif
 
 !if "$(ZLIBLIB)" == ""
-ZLIBLIB=..\zlib-1.2.7
+ZLIBLIB=..\zlib-1.2.8
 !endif
 
 !if "$(TARGET)" == ""
@@ -29,11 +29,25 @@ CPPFLAGS=/Oi /O2 /Oy /GF /Y- /MD /DNDEBUG
 DLLFLAGS=/DEBUG /LD
 !endif
 
-CPPFLAGS=/nologo /GL /Zi /EHsc $(CPPFLAGS) /Iwin32 /Iinclude /DLIBSSH2_OPENSSL /I$(OPENSSLINC) $(ZLIBINC)
+CPPFLAGS=/nologo /GL /Zi /EHsc $(CPPFLAGS) /Iwin32 /Iinclude
+
+!if "$(WITH_WINCNG)" == "1"
+CPPFLAGS=$(CPPFLAGS) /DLIBSSH2_WINCNG
+# LIBS=bcrypt.lib crypt32.lib
+!else
+CPPFLAGS=$(CPPFLAGS) /DLIBSSH2_OPENSSL /I$(OPENSSLINC)
+LIBS=$(OPENSSLLIB)\libeay32.lib $(OPENSSLLIB)\ssleay32.lib
+!endif
+
+!if "$(WITH_ZLIB)" == "1"
+CPPFLAGS=$(CPPFLAGS) /DLIBSSH2_HAVE_ZLIB /I$(ZLIBINC)
+LIBS=$(ZLIBLIB)\zlib.lib
+!endif
+
 CFLAGS=$(CPPFLAGS)
 RCFLAGS=/Iinclude
 DLLFLAGS=$(CFLAGS) $(DLLFLAGS)
-LIBS=$(OPENSSLLIB)\libeay32.lib $(OPENSSLLIB)\ssleay32.lib $(ZLIBLIB)\zlib.lib ws2_32.lib user32.lib advapi32.lib gdi32.lib
+LIBS=$(LIBS) ws2_32.lib user32.lib advapi32.lib gdi32.lib
 
 INTDIR=$(TARGET)\$(SUBDIR)