From 6a733c43489cf6e6570e24b38a45fa47d18b9de1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Sun, 15 Jun 2014 12:42:30 +0200
Subject: [PATCH] Respect host tool prefixes for krb5-config.

That is, use ${host_alias}-krb5-config if available. This improves
cross-compilation support and fixes multilib on Gentoo.
---
 configure.ac | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index d9b7a24..1c33b37 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1209,7 +1209,9 @@ if test x"$want_gss" = xyes; then
   AC_MSG_RESULT(yes)
 
   if test -z "$GSSAPI_INCS"; then
-     if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
+     if test -n "$host_alias" -a -f "$GSSAPI_ROOT/bin/$host_alias-krb5-config"; then
+        GSSAPI_INCS=`$GSSAPI_ROOT/bin/$host_alias-krb5-config --cflags gssapi`
+     elif test -f "$GSSAPI_ROOT/bin/krb5-config"; then
         GSSAPI_INCS=`$GSSAPI_ROOT/bin/krb5-config --cflags gssapi`
      elif test "$GSSAPI_ROOT" != "yes"; then
         GSSAPI_INCS="-I$GSSAPI_ROOT/include"
@@ -1301,7 +1303,12 @@ if test x"$want_gss" = xyes; then
         LIBS="-lgss $LIBS"
         ;;
      *)
-        if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
+        if test -n "$host_alias" -a -f "$GSSAPI_ROOT/bin/$host_alias-krb5-config"; then
+           dnl krb5-config doesn't have --libs-only-L or similar, put everything
+           dnl into LIBS
+           gss_libs=`$GSSAPI_ROOT/bin/$host_alias-krb5-config --libs gssapi`
+           LIBS="$gss_libs $LIBS"
+        elif test -f "$GSSAPI_ROOT/bin/krb5-config"; then
            dnl krb5-config doesn't have --libs-only-L or similar, put everything
            dnl into LIBS
            gss_libs=`$GSSAPI_ROOT/bin/krb5-config --libs gssapi`
-- 
2.0.0