secur32: Require gnutls for schannel.
diff --git a/configure.ac b/configure.ac
index cda7f47..bce9247 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,6 +38,7 @@
AC_ARG_WITH(gphoto, AS_HELP_STRING([--without-gphoto],[do not use gphoto (Digital Camera support)]))
AC_ARG_WITH(glu, AS_HELP_STRING([--without-glu],[do not use the GLU library]),
[if test "x$withval" = "xno"; then ac_cv_header_GL_glu_h=no; fi])
+AC_ARG_WITH(gnutls, AS_HELP_STRING([--without-gnutls],[do not use GnuTLS (schannel support)]))
AC_ARG_WITH(hal, AS_HELP_STRING([--without-hal],[do not use HAL (dynamic device support)]))
AC_ARG_WITH(jack, AS_HELP_STRING([--without-jack],[do not use the Jack sound support]),
[if test "x$withval" = "xno"; then ac_cv_header_jack_jack_h=no; fi])
@@ -907,6 +908,21 @@
WINE_NOTICE_WITH(hal,[test "x$ac_cv_lib_soname_hal" = "x"],
[libhal development files not found, no dynamic device support.])
+dnl **** Check for libgnutls ****
+if test "x$with_gnutls" != "xno" -a "$PKG_CONFIG" != "false"
+then
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_gnutls_libs="`$PKG_CONFIG --libs gnutls 2>/dev/null`"
+ ac_gnutls_cflags="`$PKG_CONFIG --cflags gnutls 2>/dev/null`"
+ CPPFLAGS="$CPPFLAGS $ac_gnutls_cflags"
+ AC_CHECK_HEADER(gnutls/gnutls.h,
+ [WINE_CHECK_SONAME(gnutls,gnutls_global_init,
+ [AC_SUBST(GNUTLSINCL,"$ac_gnutls_cflags")],,[$ac_gnutls_libs])])
+ CPPFLAGS="$ac_save_CPPFLAGS"
+fi
+WINE_NOTICE_WITH(gnutls,[test "x$ac_cv_lib_soname_gnutls" = "x"],
+ [libgnutls development files not found, no schannel support.])
+
dnl **** Check which curses lib to use ***
CURSESLIBS=""
if test "$ac_cv_header_ncurses_h" = "yes"
