From 1d3505994cbf22da08b342001a3411279fc32249 Mon Sep 17 00:00:00 2001
From: Matthias Andree <matthias.andree@gmx.de>
Date: Sun, 3 Jul 2005 18:23:16 +0000
Subject: Nalin Dahyabhai's patch to use the krb5-config script, if present.
 Sent by Miloslav Trmac.

svn path=/trunk/; revision=4072
---
 NEWS         |  2 ++
 configure.ac | 28 ++++++++++++++++++++++++++++
 kerberos.h   | 21 +++++++++++++--------
 3 files changed, 43 insertions(+), 8 deletions(-)

diff --git a/NEWS b/NEWS
index a0103ce2..a2cc1d5e 100644
--- a/NEWS
+++ b/NEWS
@@ -83,6 +83,8 @@ fetchmail 6.3.0 (not yet released officially):
 * Nalin Dahyabhai's fix for sink.c/transact.c to reserve sufficient
   space for \r\n trailers in snprintf calls. Sent by Miloslav Trmac,
   possibly fixing Red Hat bug #114470. (Matthias Andree).
+* Nalin Dahyabhai's patch to use the krb5-config script, if present.
+  Sent by Miloslav Trmac. (Matthias Andree)
 
 fetchmail-6.2.5 (Wed Oct 15 18:39:22 EDT 2003), 23079 lines:
 
diff --git a/configure.ac b/configure.ac
index d98bebe6..06110c4e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -411,6 +411,17 @@ then
   AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
   CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
   LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
+elif krb5-config 2> /dev/null >/dev/null ; then
+  krb5_prefix=`krb5-config --prefix krb5`
+  AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
+  if test -f ${krb5_prefix}/include/et/com_err.h && \
+   ! test -f ${krb5_prefix}/include/com_err.h  ; then
+    CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
+  fi
+  unset krb5_prefix
+  CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
+  LIBS="$LIBS `krb5-config --libs krb5`"
+  AC_DEFINE(KERBEROS_V5)
 else
   if test "$with_kerberos5" != "yes" 
   then
@@ -486,6 +497,23 @@ then
   AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
   CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
   LIBS="$LIBS -lkrb -ldes"
+elif krb4-config 2> /dev/null >/dev/null ; then
+  krb4_prefix=`krb4-config --prefix`
+  AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
+  unset krb4_prefix
+  CEFLAGS="$CEFLAGS `krb4-config --cflags`"
+  LIBS="$LIBS `krb4-config --libs`"
+  AC_DEFINE(KERBEROS_V4)
+elif krb5-config 2> /dev/null >/dev/null ; then
+  krb4_prefix=`krb5-config --prefix krb4`
+  AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
+  if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
+    AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
+  fi
+  unset krb4_prefix
+  CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
+  LIBS="$LIBS `krb5-config --libs krb4`"
+  AC_DEFINE(KERBEROS_V4)
 else
   #we need to detect when we're building under a kerberosV compatibility
   #layer, btw...
diff --git a/kerberos.h b/kerberos.h
index 32cb93e9..713a505b 100644
--- a/kerberos.h
+++ b/kerberos.h
@@ -15,14 +15,19 @@
 #endif
 
 #ifdef KERBEROS_V4
-#  if defined (__bsdi__) 
-#    include <des.h> /* order of includes matters */
-#    define krb_get_err_text(e) (krb_err_txt[e])
-#  endif
-#  include <krb.h>
-#  if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__linux__)
-#    define krb_get_err_text(e) (krb_err_txt[e])
-#    include <des.h>
+#  ifdef KERBEROS_V4_V5
+#    include <kerberosIV/krb.h>
+#    include <kerberosIV/des.h>
+#  else
+#    if defined (__bsdi__) 
+#      include <des.h> /* order of includes matters */
+#      define krb_get_err_text(e) (krb_err_txt[e])
+#    endif
+#    include <krb.h>
+#    if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__linux__)
+#      define krb_get_err_text(e) (krb_err_txt[e])
+#      include <des.h>
+#    endif
 #  endif
 #endif
 
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