I tried to build openssh-portable on OpenBSD 6.4 with Kerberos support
(I tried this initially because I failed to get the BSD version of
openssh to work).
The OpenBSD 6.4 had heimdal kerberos support (self built from the ports
system)
I configured as
./configure --with-kerberos5=/usr/local/heimdal --prefx=
There are a few minor problems in the build system:
- ports offers the krb5_free_error_message() call but configure does not
detect (or check for it), so "#define HAVE_KRB5_FREE_ERROR_MESSAGE" had
to be added manually to config.h.
- /usr/local/lib needs to be added to the LDFLAGS because it will
contain libcom_err.a
- openbsd-compat/port-aix.c fails to compile because of header files,
although (obviously) the file does not apply to an OpenBSD build. To fix
this, the #ifdef _AIX had to be moved further up.
I'm attaching a patch with the changes. Naturally these have to be
worked into the build-system itself, but I'm lacking the expertise to
even understand where to start.
Markus
diff -ur openssh-7.9p1-orig/Makefile openssh-7.9p1-bsd/Makefile
--- openssh-7.9p1-orig/Makefile Fri Mar 22 11:58:54 2019
+++ openssh-7.9p1-bsd/Makefile Thu Mar 21 12:48:15 2019
@@ -44,7 +44,7 @@
CPPFLAGS=-I. -I$(srcdir) -I/usr/local/heimdal/include -I/usr/local/include -I/usr/local/heimdal/include -I/usr/local/include $(PATHS) -DHAVE_CONFIG_H
LIBS=-lcrypto -lutil -lz
K5LIBS=-Wl,--enable-new-dtags -Wl,-rpath -Wl,/usr/local/heimdal/lib -L/usr/local/heimdal/lib -lkrb5
-GSSLIBS=-Wl,--enable-new-dtags -Wl,-rpath -Wl,/usr/local/heimdal/lib -L/usr/local/heimdal/lib -lgssapi
+GSSLIBS=-Wl,--enable-new-dtags -Wl,-rpath -Wl,/usr/local/heimdal/lib -L/usr/local/lib -L/usr/local/heimdal/lib -lgssapi
SSHLIBS=
SSHDLIBS=
LIBEDIT=
diff -ur openssh-7.9p1-orig/config.h openssh-7.9p1-bsd/config.h
--- openssh-7.9p1-orig/config.h Fri Mar 22 11:49:45 2019
+++ openssh-7.9p1-bsd/config.h Fri Mar 22 10:39:12 2019
@@ -764,7 +764,7 @@
/* #undef HAVE_KRB5_CC_NEW_UNIQUE */
/* Define to 1 if you have the `krb5_free_error_message' function. */
-/* #undef HAVE_KRB5_FREE_ERROR_MESSAGE */
+#define HAVE_KRB5_FREE_ERROR_MESSAGE 1
/* Define to 1 if you have the `krb5_get_error_message' function. */
/* #undef HAVE_KRB5_GET_ERROR_MESSAGE */
diff -ur openssh-7.9p1-orig/config.status openssh-7.9p1-bsd/config.status
--- openssh-7.9p1-orig/config.status Fri Mar 22 11:58:53 2019
+++ openssh-7.9p1-bsd/config.status Thu Mar 21 12:36:43 2019
@@ -433,7 +433,7 @@
This config.status script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it."
-ac_pwd='/usr/src/usr.bin/openssh-7.9p1-orig'
+ac_pwd='/usr/src/usr.bin/openssh-7.9p1'
srcdir='.'
INSTALL='/usr/bin/install -c'
MKDIR_P='./install-sh -c -d'
diff -ur openssh-7.9p1-orig/openbsd-compat/port-aix.c openssh-7.9p1-bsd/openbsd-compat/port-aix.c
--- openssh-7.9p1-orig/openbsd-compat/port-aix.c Wed Oct 17 02:01:20 2018
+++ openssh-7.9p1-bsd/openbsd-compat/port-aix.c Fri Mar 22 10:28:35 2019
@@ -26,6 +26,7 @@
*/
#include "includes.h"
+#ifdef _AIX
#include "xmalloc.h"
#include "sshbuf.h"
#include "ssherr.h"
@@ -36,7 +37,6 @@
#include "ssh_api.h"
#include "log.h"
-#ifdef _AIX
#include <errno.h>
#if defined(HAVE_NETDB_H)
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