X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/c349ffb1106d7d67490203b2b4099a5e912cf1ea..3ab798412da7dbfc26af43a06e92c13a7b9abf43:/unix/configure.ac

diff --git a/unix/configure.ac b/unix/configure.ac
index d84d61e1..ce000cd2 100644
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -17,15 +17,19 @@ else
 fi
 AC_SUBST(PUTTYCFLAGS)
 
-AC_ARG_WITH(gssapi,
-[  --without-gssapi        disable GSS-API support])
+AC_ARG_WITH([gssapi],
+  [AS_HELP_STRING([--without-gssapi],
+                  [disable GSSAPI support])],
+  [],
+  [with_gssapi=yes])
+
+WITH_GSSAPI=
+AS_IF([test "x$with_gssapi" != xno],
+  [AC_DEFINE([WITH_GSSAPI], [1], [Define if building with GSSAPI support.])])
 
 AC_CHECK_HEADERS([utmpx.h sys/select.h],,,[
 #include <sys/types.h>
 #include <utmp.h>])
-if test "$with_gssapi" != "no"; then
-  AC_CHECK_HEADERS([gssapi/gssapi.h])
-fi
 
 # Look for both GTK 1 and GTK 2.
 AM_PATH_GTK([1.2.0], [gtk=1], [gtk=none])
@@ -47,9 +51,17 @@ fi
 AC_SUBST([all_targets])
 
 AC_SEARCH_LIBS([socket], [xnet])
-if test "$with_gssapi" != "no"; then
-  AC_SEARCH_LIBS([gss_init_sec_context], [gssapi gssapi_krb5 gss])
-fi
+
+AS_IF([test "x$with_gssapi" != xno],
+  [AC_SEARCH_LIBS(
+    [dlopen],[dl],
+    [],
+    [AC_DEFINE([NO_LIBDL], [1], [Define if we could not find libdl.])
+     AC_CHECK_HEADERS([gssapi/gssapi.h])
+     AC_SEARCH_LIBS(
+       [gss_init_sec_context],[gssapi gssapi_krb5 gss],
+       [],
+       [AC_DEFINE([NO_GSSAPI_LIB], [1], [Define if we could not find a gssapi library])])])])
 
 AC_CHECK_LIB(X11, XOpenDisplay)
 
@@ -84,7 +96,12 @@ AH_BOTTOM([
 #ifndef HAVE_PANGO_FONT_MAP_LIST_FAMILIES
 # define PANGO_PRE_1POINT6
 #endif
-#ifndef HAVE_GSSAPI_GSSAPI_H
+#if !defined(WITH_GSSAPI)
 # define NO_GSSAPI
 #endif
+#if !defined(NO_GSSAPI) && defined(NO_LIBDL)
+# if !defined(HAVE_GSSAPI_GSSAPI_H) || defined(NO_GSSAPI_LIB)
+#  define NO_GSSAPI
+# endif
+#endif
 ])