GSSAPI build fix.

The GSSAPI-related autoconf code now matches gssapi.c better, and uses
a different check to look for GSS_C_NT_HOSTBASED_SERVICE.
This fixes the GSSAPI-enabled build on NetBSD 6 Beta.

3 files changed, 19 insertions, 6 deletions

diff --git a/NEWS b/NEWS
index 748a5e89..36014655 100644
--- a/NEWS
+++ b/NEWS
@@ -94,6 +94,10 @@ fetchmail-6.3.22 (not yet released):
 * The Server certificate: message in verbose mode now appears on stdout like the
   remainder of the output. Reported by Henry Jensen, to fix Debian Bug #639807.
 
+* The GSSAPI-related autoconf code now matches gssapi.c better, and uses
+  a different check to look for GSS_C_NT_HOSTBASED_SERVICE.
+  This fixes the GSSAPI-enabled build on NetBSD 6 Beta.
+
 # CHANGES
 * On systems where SSLv2_client_method isn't defined in OpenSSL (such as
   newer Debian, and Ubuntu starting with 11.10 oneiric ocelot), don't
diff --git a/configure.ac b/configure.ac
index 39a2e025..5bc25fb0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -898,11 +898,20 @@ then
     CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
   fi
   AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
-  if test "$ac_cv_header_gssapi_h" = "yes"; then
-    AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
-  else
-    AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
-  fi
+  AC_CHECK_DECLS(GSS_C_NT_HOSTBASED_SERVICE,,,[
+    AC_INCLUDES_DEFAULT
+    #if HAVE_GSS_H
+    #include <gss.h>
+    #endif
+    #if HAVE_GSSAPI_GSSAPI_H
+    #include <gssapi/gssapi.h>
+    #elif HAVE_GSSAPI_H
+    #include <gssapi.h>
+    #endif
+    #if HAVE_GSSAPI_GSSAPI_GENERIC_H
+    #include <gssapi/gssapi_generic.h>
+    #endif
+    ])
 fi])
 
 dnl ,------------------------------------------------------------------
diff --git a/gssapi.c b/gssapi.c
index 5a05ff8f..c2c7d94f 100644
--- a/gssapi.c
+++ b/gssapi.c
@@ -33,7 +33,7 @@
 #  ifdef HAVE_GSSAPI_GSSAPI_GENERIC_H
 #    include <gssapi/gssapi_generic.h>
 #  endif
-#  ifndef HAVE_GSS_C_NT_HOSTBASED_SERVICE
+#  if HAVE_DECL_GSS_C_NT_HOSTBASED_SERVICE + 0 == 0
 #    define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
 #  endif
 #  endif