winbuild: Fixed environment variables being lost

Fixed USE_IPV6 and USE_IDN not being passed
from Makefile.vc to MakefileBuild.vc
Fixed whitespace and formatting issues
Fixed typo and format in help message

winbuild/Makefile.vc

@@ -23,12 +23,12 @@ CFGSET=true
 !MESSAGE   WITH_SSL=<dll or static>     - Enable OpenSSL support, DLL or static
 !MESSAGE   WITH_ZLIB=<dll or static>    - Enable ZLib support, DLL or static
 !MESSAGE   WITH_SSH2=<dll or static>    - Enable LIbSSH2 support, DLL or static
-!MESSAGE   USE_SSSPI=<yes or no>        - Enable SSPI support, default to yes
+!MESSAGE   USE_SSPI=<yes or no>         - Enable SSPI support, default to yes
 !MESSAGE   ENABLE_IPV6=<yes or no>      - Enable IPV6, default to yes
-!MESSAGE   DEBUG=<yes or no>            - Debug builds
 !MESSAGE   ENABLE_IDN=<yes or no>       - Wheter or not to use IDN Windows APIs. Requires Windows Vista or later.
 !MESSAGE                                  or to install http://www.microsoft.com/downloads/details.aspx?FamilyID=AD6158D7-DDBA-416A-9109-07607425A815
 !MESSAGE   GEN_PDB=<yes or no>          - Generate Program Database (debug symbols release build)
+!MESSAGE   DEBUG=<yes or no>            - Debug builds
 !ERROR please choose a valid mode
 
 !ENDIF
@@ -53,10 +53,16 @@ USE_SSPI=true
 USE_IPV6 = true
 !ELSEIF "$(ENABLE_IPV6)"=="yes"
 USE_IPV6 = true
+!ELSEIF "$(ENABLE_IPV6)"=="no"
+USE_IPV6 = false
 !ENDIF
 
 !IFNDEF ENABLE_IDN
 USE_IDN = true
+!ELSEIF "$(ENABLE_IDN)"=="yes"
+USE_IDN = true
+!ELSEIF "$(ENABLE_IDN)"=="no"
+USE_IDN = false
 !ENDIF
 
 CONFIG_NAME_LIB = libcurl
@@ -71,7 +77,7 @@ SSL=static
 
 !IF "$(WITH_ZLIB)"=="dll"
 USE_ZLIB = true
-zlib=dll
+ZLIB     = dll
 !ELSEIF "$(WITH_ZLIB)"=="static"
 USE_ZLIB = true
 ZLIB     = static
@@ -133,6 +139,8 @@ $(MODE):
 	@SET MACRO_NAME=CURL_OBJS
 	@SET OUTFILE=CURL_OBJS.inc
 	@gen_resp_file.bat $(CURL_OBJS)
+	@SET USE_IPV6=$(USE_IPV6)
+	@SET USE_IDN=$(USE_IDN)
 	@$(MAKE) /NOLOGO /F MakefileBuild.vc
 
 copy_from_lib:

winbuild/MakefileBuild.vc

@@ -94,6 +94,7 @@ DEVEL_BIN      = $(WITH_DEVEL)/bin
 CFLAGS         = $(CFLAGS) /I"$(DEVEL_INCLUDE)"
 LFLAGS         = $(LFLAGS) "/LIBPATH:$(DEVEL_LIB)"
 
+
 !IF "$(WITH_SSL)"=="dll"
 SSL_LIBS     = libeay32.lib ssleay32.lib
 USE_SSL      = true
@@ -108,11 +109,12 @@ SSL=static
 SSL_CFLAGS   = /DUSE_SSLEAY /I"$(DEVEL_INCLUDE)/openssl"
 !ENDIF
 
+
 !IF "$(WITH_ZLIB)"=="dll"
 ZLIB_LIBS   = zlib.lib
 ZLIB_CFLAGS = /DHAVE_ZLIB_H /DHAVE_ZLIB /DHAVE_LIBZ
 USE_ZLIB    = true
-zlib=dll
+ZLIB        = dll
 !ELSEIF "$(WITH_ZLIB)"=="static"
 ZLIB_LIBS   = zlib_a.lib
 ZLIB_CFLAGS = /DHAVE_ZLIB_H /DHAVE_ZLIB /DHAVE_LIBZ
@@ -124,6 +126,7 @@ ZLIB=static
 ZLIB_CFLAGS = /DHAVE_ZLIB_H /DHAVE_ZLIB /DHAVE_LIBZ
 !ENDIF
 
+
 !IF "$(WITH_SSH2)"=="dll"
 SSH2_LIBS   = libssh2.lib
 USE_SSH2    = true
@@ -139,6 +142,7 @@ SSH2_CFLAGS   = /DHAVE_LIBSSH2 /DHAVE_LIBSSH2_H /DLIBSSH2_WIN32 /DLIBSSH2_LIBRAR
 SSH2_CFLAGS = $(SSH2_CFLAGS) /I$(WITH_DEVEL)/include/libssh2
 !ENDIF
 
+
 !IFNDEF USE_SSPI
 USE_SSPI = yes
 !ENDIF
@@ -148,10 +152,18 @@ CFLAGS_SSPI = /DUSE_WINDOWS_SSPI
 USE_SSPI    = true
 !ENDIF
 
+
 !IFNDEF USE_IPV6
 USE_IPV6  = true
+!ELSEIF "$(USE_IPV6)"=="yes"
+USE_IPV6  = true
 !ENDIF
 
+!IF "$(USE_IPV6)"=="true"
+CFLAGS    = $(CFLAGS) /DUSE_IPV6
+!ENDIF
+
+
 !IFNDEF USE_IDN
 USE_IDN   = true
 !ELSEIF "$(USE_IDN)"=="yes"
@@ -163,10 +175,7 @@ CFLAGS    = $(CFLAGS) /DUSE_WIN32_IDN
 LFLAGS    = $(LFLAGS) Normaliz.lib
 !ENDIF
 
-!IF "$(USE_IPV6)"=="true"
+
-CFLAGS = $(CFLAGS) /DUSE_IPV6
-USE_IPV6=true
-!ENDIF
 
 !IF "$(GEN_PDB)"=="yes"
 GEN_PDB=true
@@ -341,7 +350,10 @@ $(TARGET): $(LIB_OBJS) $(LIB_DIROBJ) $(DISTDIR)
 	@echo Using SSH2: $(USE_SSH2)
 	@echo Using ZLIB: $(USE_ZLIB)
 	@echo Using SSPI: $(USE_SSPI)
-	@echo Using SSPI: $(LFLAGS)
+	@echo Using IPv6: $(USE_IPV6)
+	@echo Using IDN:  $(USE_IDN)
+	@echo CFLAGS:     $(CFLAGS)
+	@echo LFLAGS:     $(LFLAGS)
 	@echo GenPDB:     $(GEN_PDB)
 	@echo Debug:      $(DEBUG)
 	$(LNK) $(LFLAGS) $(LIB_OBJS)