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sasl2.m4: Check for gssapi_krb5.h before testing a resulting value #826

Open bgermann opened 4 months ago

bgermann commented 4 months ago

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