I order to compile this package with clang we need to run autoreconf. Newer autotools complain about
the several declarations of the same header.

MD5 calculation is split from libssl into libcrypto. 

Bug: https://bugs.gentoo.org/880913
Bug: https://bugs.gentoo.org/900170

--- a/autoconf/Makefile.defines.in
+++ b/autoconf/Makefile.defines.in
@@ -38,7 +38,8 @@ LIBS_XEXTS	=
 LIBS_AFTERSTEP	= -lXt
 LIBS_PTHREAD	= -lpthread -lrt
 LIBS_SSL	= @HAVESSL@
-LIBRARIES	= $(LIBS_X) $(LIBS_XPM) $(LIBS_XEXTS) $(LIBS_PTHREAD) $(LIBS_SSL)
+LIBS_CRYPTO	= @HAVECRYPTO@
+LIBRARIES	= $(LIBS_X) $(LIBS_XPM) $(LIBS_XEXTS) $(LIBS_PTHREAD) $(LIBS_SSL) $(LIBS_CRYPTO)
 
 AFTER_BIN_DIR	= @bindir@
 AFTER_MAN_DIR	= @mandir@/man1
--- a/autoconf/configure.in
+++ b/autoconf/configure.in
@@ -1,3 +1,4 @@
+
 dnl# -*- sh -*-
 dnl# Process this file with autoconf to produce a configure script.
 dnl#
@@ -61,7 +62,6 @@ AC_CHECK_HEADERS(sys/statvfs.h sys/vfs.h sys/mount.h ustat.h)
 AC_CHECK_HEADERS(machine/soundcard.h linux/soundcard.h linux/radio.h)
 AC_CHECK_HEADERS(pthread.h)
 AC_CHECK_HEADERS(openssl/ssl.h)
-AC_CONFIG_HEADER(config.h)
 
 dnl# Check for X
 
@@ -110,8 +110,12 @@ AC_CHECK_LIB(ssl, SSL_CTX_new, [SSL_LIB="-lssl" HAVESSL="-lssl"],,)
 MD5_OBJ=""
 if test "x$HAVESSL" = "x"; then
 	MD5_OBJ="md5c.o"
+else
+  AC_CHECK_HEADERS(openssl/md5.h)
 fi
 
+AC_CHECK_LIB(crypto, MD5, [CRYPTO_LIB="-lcrypto" HAVECRYPTO="-lcrypto"],,)
+
 dnl# Variable strings declaration
 
 AC_SUBST(version)
@@ -129,11 +133,10 @@ AC_SUBST(with_gnustep_lib)
 AC_SUBST(with_afterdir)
 AC_SUBST(HAVESSL)
 AC_SUBST(MD5_OBJ)
+AC_SUBST(HAVECRYPTO)
 
 dnl# Write results
 
-AC_CONFIG_HEADER(config.h)
-
 dnl# Common parts of the Makefile
 MAKEFILEDEFINES=./autoconf/Makefile.defines
 MAKEFILECOMMON=./autoconf/Makefile.common