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# gssapi.m4: Find GSSAPI libraries in either Heimdal or MIT implementations
# Brendan Cully <brendan@kublai.com> 20010529
dnl MUTT_AM_PATH_GSSAPI(PREFIX)
dnl Search for a GSSAPI implementation in the standard locations plus PREFIX,
dnl if it is set and not "yes".
dnl Defines GSSAPI_CFLAGS and GSSAPI_LIBS if found.
dnl Defines GSSAPI_IMPL to "Heimdal", "MIT", or "OldMIT", or "none" if not found
AC_DEFUN(MUTT_AM_PATH_GSSAPI,
[
GSSAPI_PREFIX=[$]$1
GSSAPI_IMPL="none"
dnl First try krb5-config
if test "$GSSAPI_PREFIX" != "yes"
then
krb5_path="$GSSAPI_PREFIX/bin"
else
krb5_path="$PATH"
fi
AC_PATH_PROG(KRB5CFGPATH, krb5-config, none, $krb5_path)
if test "$KRB5CFGPATH" != "none"
then
GSSAPI_CFLAGS="$CPPFLAGS `$KRB5CFGPATH --cflags gssapi`"
GSSAPI_LIBS="$MUTTLIBS `$KRB5CFGPATH --libs gssapi`"
GSSAPI_IMPL="Heimdal"
else
dnl No krb5-config, run the old code
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
saved_LIBS="$LIBS"
if test "$GSSAPI_PREFIX" != "yes"
then
GSSAPI_CFLAGS="-I$GSSAPI_PREFIX/include"
GSSAPI_LDFLAGS="-L$GSSAPI_PREFIX/lib"
CPPFLAGS="$CPPFLAGS $GSSAPI_CFLAGS"
LDFLAGS="$LDFLAGS $GSSAPI_LDFLAGS"
fi
dnl New MIT kerberos V support
AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context, [
GSSAPI_IMPL="MIT",
GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err"
],, -lkrb5 -lk5crypto -lcom_err)
dnl Heimdal kerberos V support
if test "$GSSAPI_IMPL" = "none"
then
AC_CHECK_LIB(gssapi, gss_init_sec_context, [
GSSAPI_IMPL="Heimdal"
GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi -lkrb5 -ldes -lasn1 -lroken"
GSSAPI_LIBS="$GSSAPI_LIBS -lcrypt -lcom_err"
],, -lkrb5 -ldes -lasn1 -lroken -lcrypt -lcom_err)
fi
dnl Old MIT Kerberos V
dnl Note: older krb5 distributions use -lcrypto instead of
dnl -lk5crypto, which collides with OpenSSL. One way of dealing
dnl with that is to extract all objects from krb5's libcrypto
dnl and from openssl's libcrypto into the same directory, then
dnl to create a new libcrypto from these.
if test "$GSSAPI_IMPL" = "none"
then
AC_CHECK_LIB(gssapi_krb5, g_order_init, [
GSSAPI_IMPL="OldMIT",
GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi_krb5 -lkrb5 -lcrypto -lcom_err"
],, -lkrb5 -lcrypto -lcom_err)
fi
fi
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
LIBS="$saved_LIBS"
])
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