File: 0033-Check-for-gssapi_krb5.h-before-testing-a-resulting-value.patch

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Origin: https://github.com/cyrusimap/cyrus-sasl/pull/826
From: Bastian Germann <bage@debian.org>
Date: Mon, 18 Mar 2024 23:20:09 +0100
Subject: sasl2.m4: Check for gssapi_krb5.h before testing a resulting value

When <gssapi/gssapi_krb5.h> stems from Heimdal but
build-heimdal/config.h doesn't define HAVE_GSSAPI_GSSAPI_KRB5_H,
<gssapi/gssapi_krb5.h> is not included.

The header file is only checked if gsskrb5_register_acceptor_identity is
not found.

Move the header check so that it works for both KRB5 and Heimdal.

Link: https://bugs.debian.org/1066214
Signed-off-by: Bastian Germann <bage@debian.org>
---
 m4/sasl2.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m4/sasl2.m4 b/m4/sasl2.m4
index 901a1173..98f81ba0 100644
--- a/m4/sasl2.m4
+++ b/m4/sasl2.m4
@@ -269,9 +269,9 @@ if test "$gssapi" != no; then
 
   cmu_save_LIBS="$LIBS"
   LIBS="$LIBS $GSSAPIBASE_LIBS"
+  AC_CHECK_HEADERS(gssapi/gssapi_krb5.h)
   AC_CHECK_FUNCS(gsskrb5_register_acceptor_identity)
   if test "$ac_cv_func_gsskrb5_register_acceptor_identity" = no ; then
-    AC_CHECK_HEADERS(gssapi/gssapi_krb5.h)
     if test "$ac_cv_header_gssapi_gssapi_krb5_h" = "yes"; then
       AC_CHECK_DECL(gsskrb5_register_acceptor_identity,
                     [AC_DEFINE(HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY,1,