backout r2833: CURDIR was set to Unix style path

instead, do chdir inside Makefile

auto/lib/openssl/make

@@ -22,7 +22,7 @@ $OPENSSL/out32/ssleay32.lib:
 	perl Configure VC-WIN32 no-shared
 	ms\\do_ms
 	\$(MAKE) -f ms\\nt.mak
-	cd \$(CURDIR)
+	cd \$(MAKEDIR)
 
 END
 
@@ -35,11 +35,8 @@ END
 	| sed -e "s/\//$ngx_regex_dirsep/g"`
 
 `echo "$OPENSSL\\out32\\ssleay32.lib:" | sed -e "s/\//$ngx_regex_dirsep/g"`
-	cd `echo "$OPENSSL" | sed -e "s/\//$ngx_regex_dirsep/g"`
-	perl Configure BC-32 no-shared
-	ms\\do_nasm
-	\$(MAKE) -f ms\\bcb.mak
-	cd \$(CURDIR)
+	\$(MAKE) -f auto/lib/openssl/$ngx_makefile			\
+	-DOPENSSL=`echo \"$OPENSSL\" | sed -e "s/\//$ngx_regex_dirsep/g"`
 
 END
 

auto/lib/openssl/makefile.bcc

@@ -0,0 +1,12 @@
+
+# Copyright (C) Igor Sysoev
+
+
+ssleay32.lib:
+	cd $(OPENSSL)
+
+	perl Configure BC-32 no-shared
+
+	ms\do_nasm
+
+	$(MAKE) -f ms\bcb.mak