use $(CURDIR) instead of "..\..\.." because the later does not allow to use

options as --with-zlib=../zlib-1.2.3.  It seems there is no common way
to learn the current directory in Win32 make's: although nmake has MAKEDIR
variable, nevertheless Borland make's MAKEDIR is the directory where make
is installed, and OpenWatcom wmake has no MAKEDIR at all.

auto/lib/md5/make

@@ -35,7 +35,7 @@ case "$NGX_PLATFORM" in
 `echo "$MD5/md5.lib:	$NGX_MAKEFILE" | sed -e "s/\//$ngx_regex_dirsep/g"`
 	cd `echo $MD5 | sed -e "s/\//$ngx_regex_dirsep/g"`
 	\$(MAKE) -f $ngx_makefile $ngx_opt
-	cd ..\\..\\..
+	cd \$(CURDIR)
 
 END
 

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 ..\\..\\..
+	cd \$(CURDIR)
 
 END
 
@@ -39,7 +39,7 @@ END
 	perl Configure BC-32 no-shared
 	ms\\do_nasm
 	\$(MAKE) -f ms\\bcb.mak
-	cd ..\\..\\..
+	cd \$(CURDIR)
 
 END
 

auto/lib/pcre/make

@@ -38,13 +38,12 @@ case "$NGX_PLATFORM" in
 `echo "$PCRE/pcre.h:	$NGX_MAKEFILE" | sed -e "s/\//$ngx_regex_dirsep/g"`
 	cd $ngx_pcre
 	\$(MAKE) -f $ngx_makefile pcre.h
-	cd ..\\..\\..
-
+	cd \$(CURDIR)
 
 `echo "$PCRE/pcre.lib:	$PCRE/pcre.h" | sed -e "s/\//$ngx_regex_dirsep/g"`
 	cd $ngx_pcre
 	\$(MAKE) -f $ngx_makefile $ngx_opt
-	cd ..\\..\\..
+	cd \$(CURDIR)
 
 END
 

auto/lib/sha1/make

@@ -35,7 +35,7 @@ case "$NGX_PLATFORM" in
 `echo "$SHA1/sha1.lib:	$NGX_MAKEFILE" | sed -e "s/\//$ngx_regex_dirsep/g"`
 	cd `echo $SHA1 | sed -e "s/\//$ngx_regex_dirsep/g"`
 	\$(MAKE) -f $ngx_makefile $ngx_opt
-	cd ..\\..\\..
+	cd \$(CURDIR)
 
 END
 

auto/lib/zlib/make

@@ -36,7 +36,7 @@ case "$NGX_PLATFORM" in
 `echo "$ZLIB/zlib.lib:	$NGX_MAKEFILE" | sed -e "s/\//$ngx_regex_dirsep/g"`
 	cd `echo $ZLIB | sed -e "s/\//$ngx_regex_dirsep/g"`
 	\$(MAKE) -f $ngx_makefile $ngx_opt
-	cd ..\\..\\..
+	cd \$(CURDIR)
 
 END
 

auto/make

@@ -22,6 +22,7 @@ CC =	$CC
 CFLAGS = $CFLAGS
 CPP =	$CPP
 LINK =	$LINK
+CURDIR = `pwd`
 
 END