gnu: cyrus-sasl: Fix cross-compilation.

* gnu/packages/patches/cyrus-sasl-ac-try-run-fix.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/cyrus-sasl.scm (cyrus-sasl)[origin]: Apply it.
[native-tools]: Add autoconf, automake and libtool.
[arguments]: Run autoconf to apply m4 modification in patch above.

gnu/local.mk

@@ -763,6 +763,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/cube-nocheck.patch			\
   %D%/packages/patches/cursynth-wave-rand.patch			\
   %D%/packages/patches/cvs-CVE-2017-12836.patch		\
+  %D%/packages/patches/cyrus-sasl-ac-try-run-fix.patch		\
   %D%/packages/patches/darkice-workaround-fpermissive-error.patch	\
   %D%/packages/patches/dbus-helper-search-path.patch		\
   %D%/packages/patches/dbus-c++-gcc-compat.patch		\

gnu/packages/cyrus-sasl.scm

@@ -2,6 +2,7 @@
 ;;; Copyright © 2013, 2014, 2015, 2017 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
+;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -20,6 +21,7 @@
 
 (define-module (gnu packages cyrus-sasl)
   #:use-module (gnu packages)
+  #:use-module (gnu packages autotools)
   #:use-module (gnu packages dbm)
   #:use-module (gnu packages kerberos)
   #:use-module (gnu packages tls)
@@ -41,8 +43,13 @@ (define-public cyrus-sasl
                         "ftp://ftp.cyrusimap.org/cyrus-sasl/cyrus-sasl-"
                         version ".tar.gz")))
             (sha256 (base32
-                     "1m85zcpgfdhm43cavpdkhb1s2zq1b31472hq1w1gs3xh94anp1i6"))))
+                     "1m85zcpgfdhm43cavpdkhb1s2zq1b31472hq1w1gs3xh94anp1i6"))
+            (patches (search-patches "cyrus-sasl-ac-try-run-fix.patch"))))
    (build-system gnu-build-system)
+   (native-inputs
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)
+       ("libtool" ,libtool)))
    (inputs `(("gdbm" ,gdbm)
              ("openssl" ,openssl)))
    (propagated-inputs
@@ -57,7 +64,13 @@ (define-public cyrus-sasl
       ;; 'plugin_common.c'.  When building the shared libraries there, libtool
       ;; ends up doing "ln -s plugin_common.lo plugin_common.o", which can
       ;; fail with EEXIST when building things in parallel.
-      #:parallel-build? #f))
+      #:parallel-build? #f
+
+      #:phases
+      (modify-phases %standard-phases
+        (add-after 'unpack 'autogen
+          (lambda _
+            (invoke "autoreconf" "-vif"))))))
    (synopsis "Simple Authentication Security Layer implementation")
    (description
     "SASL (Simple Authentication Security Layer) is an Internet

gnu/packages/patches/cyrus-sasl-ac-try-run-fix.patch

@@ -0,0 +1,12 @@
+--- a/m4/sasl2.m4	2018-11-18 22:33:29.902625600 +0300
++++ b/m4/sasl2.m4	2018-11-18 22:33:59.828746176 +0300
+@@ -339,7 +339,8 @@
+ ],	
+ 	[ AC_DEFINE(HAVE_GSS_SPNEGO,,[Define if your GSSAPI implementation supports SPNEGO])
+ 	AC_MSG_RESULT(yes) ],
+-	AC_MSG_RESULT(no))
++	AC_MSG_RESULT(no),
++    AC_MSG_RESULT(no))
+   LIBS="$cmu_save_LIBS"
+ 
+ else