new file mode 100644
--- /dev/null
+++ b/auto/lib/md5/conf
@@ -0,0 +1,105 @@
+
+# Copyright (C) Igor Sysoev
+
+
+if [ $MD5 != NONE ]; then
+
+    if grep MD5_Init $MD5/md5.h >/dev/null; then
+        # OpenSSL md5
+        OPENSSL_MD5=YES
+        have=HAVE_OPENSSL_MD5 . auto/have
+    else
+        # rsaref md5
+        OPENSSL_MD5=NO
+    fi
+
+    CORE_INCS="$CORE_INCS $MD5"
+
+    case "$CC" in
+
+        cl | wcl386 | bcc32)
+            LINK_DEPS="$LINK_DEPS $MD5/md5.lib"
+            CORE_LIBS="$CORE_LIBS $MD5/md5.lib"
+        ;;
+
+        *icc)
+            LINK_DEPS="$LINK_DEPS $MD5/libmd5.a"
+
+            # to allow -ipo optimization we link with the *.o but not library
+            CORE_LIBS="$CORE_LIBS $MD5/md5_dgst.o"
+
+            if [ $MD5_ASM = YES ]; then
+                CORE_LIBS="$CORE_LIBS $MD5/asm/mx86-elf.o"
+            fi
+        ;;
+
+        *)
+            LINK_DEPS="$LINK_DEPS $MD5/libmd5.a"
+            CORE_LIBS="$CORE_LIBS $MD5/libmd5.a"
+            #CORE_LIBS="$CORE_LIBS -L $MD5 -lmd5"
+        ;;
+
+    esac
+
+else
+
+    if [ $PLATFORM != win32 ]; then
+        MD5=NO
+        ngx_lib_cflags=
+
+        # Solaris 8/9
+
+        ngx_lib_inc="#include <sys/types.h>
+#include <md5.h>"
+        ngx_lib="rsaref md5 library"
+        ngx_lib_test="MD5_CTX md5; MD5Init(&md5)"
+        ngx_libs=-lmd5
+        . auto/lib/test
+
+
+        if [ $ngx_found = yes ]; then
+            CORE_LIBS="$CORE_LIBS $ngx_libs"
+            MD5=YES
+            MD5_LIB=md5
+            ngx_found=no
+
+        else
+            # FreeBSD
+
+            ngx_lib="rsaref md library"
+            ngx_lib_test="MD5_CTX md5; MD5Init(&md5)"
+            ngx_libs=-lmd
+            . auto/lib/test
+        fi
+
+
+        if [ $ngx_found = yes ]; then
+            CORE_LIBS="$CORE_LIBS $ngx_libs"
+            MD5=YES
+            MD5_LIB=md
+            ngx_found=no
+
+        else
+            if [ $MD5 = NO ]; then
+
+               # OpenSSL crypto library
+
+               ngx_lib_inc="#include <openssl/md5.h>"
+               ngx_lib="OpenSSL md5 crypto library"
+               ngx_lib_test="MD5_CTX md5; MD5_Init(&md5)"
+               ngx_libs=-lcrypto
+               . auto/lib/test
+            fi
+        fi
+
+
+        if [ $ngx_found = yes ]; then
+            have=HAVE_OPENSSL_MD5 . auto/have
+            have=HAVE_OPENSSL_MD5_H . auto/have
+            CORE_LIBS="$CORE_LIBS $ngx_libs"
+            MD5=YES
+            MD5_LIB=crypto
+        fi
+    fi
+
+fi