make 'configure --with-gssapi=yes' fatal if support is not found

configure

@@ -841,7 +841,6 @@ infodir
 docdir
 oldincludedir
 includedir
-runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -999,7 +998,6 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
-runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1252,15 +1250,6 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
-  -runstatedir | --runstatedir | --runstatedi | --runstated \
-  | --runstate | --runstat | --runsta | --runst | --runs \
-  | --run | --ru | --r)
-    ac_prev=runstatedir ;;
-  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
-  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
-  | --run=* | --ru=* | --r=*)
-    runstatedir=$ac_optarg ;;
-
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1398,7 +1387,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir runstatedir
+		libdir localedir mandir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1551,7 +1540,6 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
-  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1648,7 +1636,7 @@ Optional Packages:
                           PKCS11 provider)
   --with-gssapi=PATH|/path/krb5-config
                           Specify path for system-supplied GSSAPI
-                          [default=yes]
+                          [default=auto]
   --with-lmdb=PATH        build with LMDB library [yes|no|path]
   --with-libxml2=PATH     build with libxml2 library [yes|no|path]
   --with-libjson=PATH     build with libjson0 library [yes|no|path]
@@ -3939,7 +3927,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -3985,7 +3973,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4009,7 +3997,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4054,7 +4042,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4078,7 +4066,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -16319,7 +16307,7 @@ $as_echo_n "checking for GSSAPI library... " >&6; }
 if test "${with_gssapi+set}" = set; then :
   withval=$with_gssapi; use_gssapi="$withval"
 else
-  use_gssapi="yes"
+  use_gssapi="auto"
 fi
 
 
@@ -16459,7 +16447,7 @@ esac
 
 case "$host" in
 *darwin*)
-	if test "yes" = "$use_gssapi"
+	if test "yes" = "$use_gssapi" -o "auto" = "$use_gssapi"
 	then
 		use_gssapi=framework
 	fi
@@ -16472,7 +16460,7 @@ esac
 # for the specification of gssapi and krb5 headers in different locations,
 # which probably ought to be fixed although fixing might raise the issue of
 # trying to build with incompatible versions of gssapi and krb5.
-if test "yes" = "$use_gssapi"
+if test "yes" = "$use_gssapi" -o "auto" = "$use_gssapi"
 then
 	# first, deal with the obvious
 	if test \( -f /usr/include/kerberosv5/krb5.h -o \
@@ -16496,8 +16484,11 @@ then
 				break
 			fi
 		fi
-		use_gssapi="no"
 	    done
+	    if test "auto" = "$use_gssapi"
+	    then
+		use_gssapi="no"
+	    fi
 	fi
 fi
 

configure.ac

@@ -932,8 +932,8 @@ AC_MSG_CHECKING(for GSSAPI library)
 AC_ARG_WITH(gssapi,
 	    AS_HELP_STRING([--with-gssapi=[PATH|[/path/]krb5-config]],
 			   [Specify path for system-supplied GSSAPI
-				[default=yes]]),
-	    use_gssapi="$withval", use_gssapi="yes")
+				[default=auto]]),
+	    use_gssapi="$withval", use_gssapi="auto")
 
 # first try using krb5-config, if that does not work then fall back to "yes" method.
 
@@ -987,7 +987,7 @@ esac
 
 case "$host" in
 *darwin*)
-	if test "yes" = "$use_gssapi"
+	if test "yes" = "$use_gssapi" -o "auto" = "$use_gssapi"
 	then
 		use_gssapi=framework
 	fi
@@ -1000,7 +1000,7 @@ esac
 # for the specification of gssapi and krb5 headers in different locations,
 # which probably ought to be fixed although fixing might raise the issue of
 # trying to build with incompatible versions of gssapi and krb5.
-if test "yes" = "$use_gssapi"
+if test "yes" = "$use_gssapi" -o "auto" = "$use_gssapi"
 then
 	# first, deal with the obvious
 	if test \( -f /usr/include/kerberosv5/krb5.h -o \
@@ -1024,8 +1024,11 @@ then
 				break
 			fi
 		fi
-		use_gssapi="no"
 	    done
+	    if test "auto" = "$use_gssapi"
+	    then
+		use_gssapi="no"
+	    fi
 	fi
 fi