+AS_IF([test x"$with_ssl" = xgnutls], [
+ dnl Now actually check for -lssl
+ AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
+#include <gnutls/gnutls.h>
+ ], [gnutls_global_init()])
+ if test x"$LIBGNUTLS" != x
+ then
+ AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
+ SSL_OBJ='gnutls.o'
+ else
+ AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
+ fi
+], [
+ # --with-ssl is not gnutls: check if it's no
+ AS_IF([test x"$with_ssl" != xno], [
+ dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
+ dnl doesn't record its dependency on libdl, so we need to make sure
+ dnl -ldl ends up in LIBS on systems that have it. Most OSes use
+ dnl dlopen(), but HP-UX uses shl_load().
+ AC_CHECK_LIB(dl, dlopen, [], [
+ AC_CHECK_LIB(dl, shl_load)
+ ])