using pkg-config to detect libxml-2.0 and krb5

Upstream-status: Pending

Signed-off-by: Roy Li <rongqing.li@windriver.com>
---
 configure.in |   16 ++++++++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/configure.in b/configure.in
index 392d122..a3028aa 100644
--- a/configure.in
+++ b/configure.in
@@ -162,8 +162,20 @@ if test x$enable_sloppy_mount = xyes; then
 fi
 
 # LDAP SASL auth needs libxml and Kerberos
-AF_CHECK_LIBXML()
-AF_CHECK_KRB5()
+PKG_CHECK_MODULES(XML, [libxml-2.0],HAVE_LIBXML=1,HAVE_LIBXML=0)
+AC_SUBST([HAVE_LIBXML])
+XML_FLAGS=$XML_CFLAGS
+
+PKG_CHECK_MODULES(KRB5, [krb5],HAVE_KRB5=1,HAVE_KRB5=0)
+AC_SUBST([HAVE_KRB5])
+if test "x$HAVE_KRB5" = "x1"; then
+  SAVE_CFLAGS=$CFLAGS
+  SAVE_LIBS=$LIBS
+  CFLAGS="$CFLAGS $KRB5_FLAGS"
+  LIBS="$LIBS $KRB5_LIBS"
+
+  AC_CHECK_FUNCS([krb5_principal_get_realm])
+fi
 
 AC_SEARCH_LIBS([versionsort],[])
 if test "$ac_cv_search_versionsort" = "no"; then
-- 
1.7.10.4