+# gnu tls
+AM_PATH_LIBGNUTLS(1.0.0,
+ [
+ echo "gnuTLS found, enabling ssl decryption"
+ AC_DEFINE(HAVE_LIBGNUTLS, 1, [Define to use gnutls library])
+ tls_message="yes"
+ ]
+ , [
+ if test x$libgnutls_config_prefix != x ; then
+ AC_MSG_ERROR([[gnuTLS not found; install gnuTLS-devel package for your system]])
+ else
+ echo echo "gnuTLS not found, disabling ssl decryption"
+ tls_message="no"
+ fi
+ ]
+)
+
+# libgrypt
+AM_PATH_LIBGCRYPT(1.1.42,
+ [
+ echo "libgcrypt found, enabling ipsec decryption"
+ AC_DEFINE(HAVE_LIBGCRYPT, 1, [Define to use libgcrypt])
+ gcrypt_message="yes"
+ ]
+ , [
+ if test x$libgcrypt_config_prefix != x ; then
+ AC_MSG_ERROR([[libgcrypt not found; install libgcrypt-devel package for your system]])
+ else
+ echo echo "libgcrypt not found, disabling ipsec decryption"
+ gcrypt_message="no"
+ fi
+ ]
+)
+
+# Check for xsltproc
+AC_PATH_PROG(XSLTPROC, xsltproc)
+AC_CHECK_PROG(HAVE_XSLTPROC, xsltproc, "yes", "no")
+AM_CONDITIONAL(HAVE_XSLTPROC, test x$HAVE_XSLTPROC = xyes)
+
+# Check for xmllint
+AC_PATH_PROG(XMLLINT, xmllint)
+AC_CHECK_PROG(HAVE_XMLLINT, xmllint, "yes", "no")
+AM_CONDITIONAL(HAVE_XMLLINT, test x$HAVE_XMLLINT = xyes)
+
+# Check for fop (translate .fo to e.g. pdf)
+AC_PATH_PROG(FOP, fop)
+AC_CHECK_PROG(HAVE_FOP, fop, "yes", "no")
+AM_CONDITIONAL(HAVE_FOP, test x$HAVE_FOP = xyes)
+
+# Check for hhc (html help compiler)
+AC_PATH_PROG(HHC, hhc.exe)
+AC_CHECK_PROG(HAVE_HHC, hhc.exe, "yes", "no")
+AM_CONDITIONAL(HAVE_HHC, test x$HAVE_HHC = xyes)
+