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radix/system/trunk/sources/packages/n/cyrus-sasl/create-2.1.27-gssapi-cross-patch/cyrus-sasl-2.1.27-new/m4/sasl2.m4
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# sasl2.m4--sasl2 libraries and includes
# Rob Siemborski

# SASL2_CRYPT_CHK
# ---------------
AC_DEFUN([SASL_GSSAPI_CHK],
[AC_REQUIRE([SASL2_CRYPT_CHK])
AC_REQUIRE([CMU_SOCKETS])
AC_ARG_ENABLE([gssapi],
              [AC_HELP_STRING([--enable-gssapi=<DIR>],
                              [enable GSSAPI authentication [yes]])],
              [gssapi=$enableval],
              [gssapi=yes])
AC_ARG_WITH([gss_impl],
            [AC_HELP_STRING([--with-gss_impl={heimdal|mit|cybersafe|seam|auto}],
                            [choose specific GSSAPI implementation [[auto]]])],
            [gss_impl=$withval],
            [gss_impl=auto])

gs2="no"
if test "$gssapi" != no; then
  platform=
  case "${host}" in
    *-*-linux*)
      platform=__linux
      ;;
    *-*-hpux*)
      platform=__hpux
      ;;
    *-*-irix*)
      platform=__irix
      ;;
    *-*-solaris2*)
# When should we use __sunos?
      platform=__solaris
      ;;
    *-*-aix*)
###_AIX
      platform=__aix
      ;;
    *-*-darwin*)
      platform=__darwin
      ;;
    *)
      AC_WARN([The system type is not recognized. If you believe that CyberSafe GSSAPI works on this platform, please update the configure script])
      if test "$gss_impl" = "cybersafe"; then
        AC_MSG_ERROR([CyberSafe was forced, cannot continue as platform is not supported])
      fi
      ;;
  esac

  cmu_saved_CPPFLAGS=$CPPFLAGS

  if test -d ${gssapi}; then
    CPPFLAGS="$CPPFLAGS -I$gssapi/include"
# We want to keep -I in our CPPFLAGS, but only if we succeed
    cmu_saved_CPPFLAGS=$CPPFLAGS
### I am not sure how useful is this (and whether this is required at all
### especially when we have to provide two -L flags for new CyberSafe
    LDFLAGS="$LDFLAGS -L$gssapi/lib"

    if test -n "$platform"; then
      if test "$gss_impl" = "auto" -o "$gss_impl" = "cybersafe"; then
        CPPFLAGS="$CPPFLAGS -D$platform"
        if test -d "${gssapi}/appsec-sdk/include"; then
          CPPFLAGS="$CPPFLAGS -I${gssapi}/appsec-sdk/include"
        fi
      fi
    fi
  fi
  AC_CHECK_HEADER([gssapi.h],,
                  [AC_CHECK_HEADER([gssapi/gssapi.h],, [gssapi=no])])
  AC_CHECK_HEADERS(gssapi/gssapi_ext.h)
  CPPFLAGS=$cmu_saved_CPPFLAGS

fi

if test "$gssapi" != no; then
  if test "$ac_cv_header_gssapi_h" = "yes"; then
    AC_DEFINE(HAVE_GSSAPI_H,,[Define if you have the gssapi.h header file])
  elif test "$ac_cv_header_gssapi_gssapi_h" = "yes"; then
    AC_DEFINE(HAVE_GSSAPI_GSSAPI_H,,[Define if you have the gssapi/gssapi.h header file])
  fi

  # We need to find out which gssapi implementation we are
  # using. Supported alternatives are: MIT Kerberos 5,
  # Heimdal Kerberos 5 (http://www.pdc.kth.se/heimdal),
  # CyberSafe Kerberos 5 (http://www.cybersafe.com/)
  # and Sun SEAM (http://wwws.sun.com/software/security/kerberos/)
  #
  # The choice is reflected in GSSAPIBASE_LIBS

  AC_CHECK_LIB(resolv,res_search)
  if test -d ${gssapi}; then
     gssapi_dir="${gssapi}/lib"
     GSSAPIBASE_LIBS="-L$gssapi_dir"
     GSSAPIBASE_STATIC_LIBS="-L$gssapi_dir"
  else
     # FIXME: This is only used for building cyrus, and then only as
     # a real hack.  it needs to be fixed.
     gssapi_dir="/usr/local/lib"
  fi

  # Check a full link against the Heimdal libraries.
  # If this fails, check a full link against the MIT libraries.
  # If this fails, check a full link against the CyberSafe libraries.
  # If this fails, check a full link against the Solaris 8 and up libgss.

  if test "$gss_impl" = "auto" -o "$gss_impl" = "heimdal"; then
    gss_failed=0
    AC_CHECK_LIB(gssapi,gss_unwrap,gss_impl="heimdal",gss_failed=1,
                 ${GSSAPIBASE_LIBS} -lgssapi -lkrb5 -lasn1 -lroken ${LIB_CRYPT} ${LIB_DES} -lcom_err ${LIB_SOCKET})
    if test "$gss_impl" != "auto" -a "$gss_failed" = "1"; then
      gss_impl="failed"
    fi
  fi

  if test "$gss_impl" = "auto" -o "$gss_impl" = "mit"; then
    gss_failed=0
    AC_CHECK_LIB(gssapi_krb5,gss_unwrap,gss_impl="mit",gss_failed=1,
                 ${GSSAPIBASE_LIBS} -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err ${LIB_SOCKET})
    if test "$gss_impl" != "auto" -a "$gss_failed" = "1"; then
      gss_impl="failed"
    fi
  fi

  # For Cybersafe one has to set a platform define in order to make compilation work
  if test "$gss_impl" = "auto" -o "$gss_impl" = "cybersafe"; then

    cmu_saved_CPPFLAGS=$CPPFLAGS
    cmu_saved_GSSAPIBASE_LIBS=$GSSAPIBASE_LIBS
# FIXME - Note that the libraries are in .../lib64 for 64bit kernels
    if test -d "${gssapi}/appsec-rt/lib"; then
      GSSAPIBASE_LIBS="$GSSAPIBASE_LIBS -L${gssapi}/appsec-rt/lib"
    fi
    CPPFLAGS="$CPPFLAGS -D$platform"
    if test -d "${gssapi}/appsec-sdk/include"; then
      CPPFLAGS="$CPPFLAGS -I${gssapi}/appsec-sdk/include"
    fi

    gss_failed=0

# Check for CyberSafe with two libraries first, than fall back to a single 
# library (older CyberSafe)

    unset ac_cv_lib_gss_csf_gss_acq_user
    AC_CHECK_LIB(gss,csf_gss_acq_user,gss_impl="cybersafe03",
                 [unset ac_cv_lib_gss_csf_gss_acq_user;
                  AC_CHECK_LIB(gss,csf_gss_acq_user,gss_impl="cybersafe",
                               gss_failed=1,$GSSAPIBASE_LIBS -lgss)],
                 [${GSSAPIBASE_LIBS} -lgss -lcstbk5])

    if test "$gss_failed" = "1"; then
# Restore variables
      GSSAPIBASE_LIBS=$cmu_saved_GSSAPIBASE_LIBS
      CPPFLAGS=$cmu_saved_CPPFLAGS

      if test "$gss_impl" != "auto"; then
        gss_impl="failed"
      fi
    fi
  fi

  if test "$gss_impl" = "auto" -o "$gss_impl" = "seam"; then
    gss_failed=0
    AC_CHECK_LIB(gss,gss_unwrap,gss_impl="seam",gss_failed=1,-lgss)
    if test "$gss_impl" != "auto" -a "$gss_failed" = "1"; then
      gss_impl="failed"
    fi
  fi

  if test "$gss_impl" = "mit"; then
    GSSAPIBASE_LIBS="$GSSAPIBASE_LIBS -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err"
    GSSAPIBASE_STATIC_LIBS="$GSSAPIBASE_LIBS $gssapi_dir/libgssapi_krb5.a $gssapi_dir/libkrb5.a $gssapi_dir/libk5crypto.a $gssapi_dir/libcom_err.a"
  elif test "$gss_impl" = "heimdal"; then
    CPPFLAGS="$CPPFLAGS"
    GSSAPIBASE_LIBS="$GSSAPIBASE_LIBS -lgssapi -lkrb5 -lasn1 -lroken ${LIB_CRYPT} ${LIB_DES} -lcom_err"
    GSSAPIBASE_STATIC_LIBS="$GSSAPIBASE_STATIC_LIBS $gssapi_dir/libgssapi.a $gssapi_dir/libkrb5.a $gssapi_dir/libasn1.a $gssapi_dir/libroken.a $gssapi_dir/libcom_err.a ${LIB_CRYPT}"
  elif test "$gss_impl" = "cybersafe03"; then
# Version of CyberSafe with two libraries
    CPPFLAGS="$CPPFLAGS -D$platform -I${gssapi}/appsec-sdk/include"
    GSSAPIBASE_LIBS="$GSSAPIBASE_LIBS -lgss -lcstbk5"
    # there is no static libgss for CyberSafe
    GSSAPIBASE_STATIC_LIBS=none
  elif test "$gss_impl" = "cybersafe"; then
    CPPFLAGS="$CPPFLAGS -D$platform -I${gssapi}/appsec-sdk/include"
    GSSAPIBASE_LIBS="$GSSAPIBASE_LIBS -lgss"
    # there is no static libgss for CyberSafe
    GSSAPIBASE_STATIC_LIBS=none
  elif test "$gss_impl" = "seam"; then
    GSSAPIBASE_LIBS=-lgss
    # there is no static libgss on Solaris 8 and up
    GSSAPIBASE_STATIC_LIBS=none
  elif test "$gss_impl" = "failed"; then
    gssapi="no"
    GSSAPIBASE_LIBS=
    GSSAPIBASE_STATIC_LIBS=
    AC_WARN([Disabling GSSAPI - specified library not found])
  else
    gssapi="no"
    GSSAPIBASE_LIBS=
    GSSAPIBASE_STATIC_LIBS=
    AC_WARN([Disabling GSSAPI - no library])
  fi
fi

#
# Cybersafe defines both GSS_C_NT_HOSTBASED_SERVICE and GSS_C_NT_USER_NAME
# in gssapi\rfckrb5.h
#
if test "$gssapi" != "no"; then
  if test "$gss_impl" = "cybersafe" -o "$gss_impl" = "cybersafe03"; then
    AC_EGREP_CPP(hostbased_service_gss_nt_yes,
                 [#include <gssapi/gssapi.h>
                  #ifdef GSS_C_NT_HOSTBASED_SERVICE
                    hostbased_service_gss_nt_yes
                  #endif],
                 [AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,,
                            [Define if your GSSAPI implementation defines GSS_C_NT_HOSTBASED_SERVICE])],
                 [AC_WARN([Cybersafe define not found])])

  elif test "$ac_cv_header_gssapi_h" = "yes"; then
    AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h,
                    [AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,,
                               [Define if your GSSAPI implementation defines GSS_C_NT_HOSTBASED_SERVICE])])
  elif test "$ac_cv_header_gssapi_gssapi_h"; then
    AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h,
                    [AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,,
                               [Define if your GSSAPI implementation defines GSS_C_NT_HOSTBASED_SERVICE])])
  fi

  if test "$gss_impl" = "cybersafe" -o "$gss_impl" = "cybersafe03"; then
    AC_EGREP_CPP(user_name_yes_gss_nt,
                 [#include <gssapi/gssapi.h>
                  #ifdef GSS_C_NT_USER_NAME
                   user_name_yes_gss_nt
                  #endif],
                 [AC_DEFINE(HAVE_GSS_C_NT_USER_NAME,,
                            [Define if your GSSAPI implementation defines GSS_C_NT_USER_NAME])],
                 [AC_WARN([Cybersafe define not found])])
  elif test "$ac_cv_header_gssapi_h" = "yes"; then
    AC_EGREP_HEADER(GSS_C_NT_USER_NAME, gssapi.h,
                    [AC_DEFINE(HAVE_GSS_C_NT_USER_NAME,,
                               [Define if your GSSAPI implementation defines GSS_C_NT_USER_NAME])])
    AC_EGREP_HEADER(gss_inquire_attrs_for_mech, gssapi.h, rfc5587=yes)
    AC_EGREP_HEADER(gss_inquire_mech_for_saslname, gssapi.h, rfc5801=yes)
  elif test "$ac_cv_header_gssapi_gssapi_h"; then
    AC_EGREP_HEADER(GSS_C_NT_USER_NAME, gssapi/gssapi.h,
                    [AC_DEFINE(HAVE_GSS_C_NT_USER_NAME,,
                               [Define if your GSSAPI implementation defines GSS_C_NT_USER_NAME])])
    AC_EGREP_HEADER(gss_inquire_attrs_for_mech, gssapi/gssapi.h, rfc5587=yes)
    AC_EGREP_HEADER(gss_inquire_mech_for_saslname, gssapi.h, rfc5801=yes)
  fi
fi

AC_MSG_CHECKING([GSSAPI])
if test "$gssapi" != no; then
  AC_MSG_RESULT([with implementation ${gss_impl}])
  AC_CHECK_LIB(resolv,res_search,GSSAPIBASE_LIBS="$GSSAPIBASE_LIBS -lresolv")
  SASL_MECHS="$SASL_MECHS libgssapiv2.la"
  SASL_STATIC_OBJS="$SASL_STATIC_OBJS gssapi.o"
  SASL_STATIC_SRCS="$SASL_STATIC_SRCS \$(top_srcdir)/plugins/gssapi.c"
  if test "$rfc5587" = "yes" -a "$rfc5801" = "yes"; then
    gs2="yes"
    SASL_MECHS="$SASL_MECHS libgs2.la"
    SASL_STATIC_OBJS="$SASL_STATIC_OBJS gs2.o"
    SASL_STATIC_SRCS="$SASL_STATIC_SRCS \$(top_srcdir)/plugins/gs2.c"
  fi

  cmu_save_LIBS="$LIBS"
  LIBS="$LIBS $GSSAPIBASE_LIBS"
  AC_CHECK_FUNCS(gsskrb5_register_acceptor_identity)
  if test "$ac_cv_func_gsskrb5_register_acceptor_identity" = no ; then
    AC_CHECK_HEADERS(gssapi/gssapi_krb5.h)
    if test "$ac_cv_header_gssapi_gssapi_krb5_h" = "yes"; then
      AC_CHECK_DECL(gsskrb5_register_acceptor_identity,
                    [AC_DEFINE(HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY,1,
                               [Define if your GSSAPI implementation defines gsskrb5_register_acceptor_identity])],,
                    [
                    AC_INCLUDES_DEFAULT
                    #include <gssapi/gssapi_krb5.h>
                    ])
    fi
  fi
  AC_CHECK_FUNCS(gss_decapsulate_token)
  AC_CHECK_FUNCS(gss_encapsulate_token)
  AC_CHECK_FUNCS(gss_oid_equal)
  LIBS="$cmu_save_LIBS"

  cmu_save_LIBS="$LIBS"
  LIBS="$LIBS $GSSAPIBASE_LIBS"
  AC_CHECK_FUNCS(gss_get_name_attribute)
  LIBS="$cmu_save_LIBS"

  cmu_save_LIBS="$LIBS"
  LIBS="$LIBS $GSSAPIBASE_LIBS"
  AC_CHECK_FUNCS(gss_inquire_sec_context_by_oid)
  if test "$ac_cv_func_gss_inquire_sec_context_by_oid" = no ; then
    if test "$ac_cv_header_gssapi_gssapi_ext_h" = "yes"; then
      AC_CHECK_DECL(gss_inquire_sec_context_by_oid,
                    [AC_DEFINE(HAVE_GSS_INQUIRE_SEC_CONTEXT_BY_OID,1,
                               [Define if your GSSAPI implementation defines gss_inquire_sec_context_by_oid])],,
                    [
                    AC_INCLUDES_DEFAULT
                    #include <gssapi/gssapi_ext.h>
                    ])
    fi
  fi
  if test "$ac_cv_header_gssapi_gssapi_ext_h" = "yes"; then
    AC_EGREP_HEADER(GSS_C_SEC_CONTEXT_SASL_SSF, gssapi/gssapi_ext.h,
                    [AC_DEFINE(HAVE_GSS_C_SEC_CONTEXT_SASL_SSF,,
                               [Define if your GSSAPI implementation defines GSS_C_SEC_CONTEXT_SASL_SSF])])
  fi
  cmu_save_LIBS="$LIBS"
  LIBS="$LIBS $GSSAPIBASE_LIBS"

  AC_MSG_CHECKING([for SPNEGO support in GSSAPI libraries])

  AC_DEFINE(HAVE_GSS_SPNEGO,,[Define if your GSSAPI implementation supports SPNEGO])
  AC_MSG_RESULT([yes])

  LIBS="$cmu_save_LIBS"

else
  AC_MSG_RESULT([disabled])
fi
AC_SUBST(GSSAPIBASE_LIBS)
])# SASL_GSSAPI_CHK


# SASL_SET_GSSAPI_LIBS
# --------------------
AC_DEFUN([SASL_SET_GSSAPI_LIBS],
[SASL_GSSAPI_LIBS_SET="yes"
])


# CMU_SASL2
# ---------
# What we want to do here is setup LIB_SASL with what one would
# generally want to have (e.g. if static is requested, make it that,
# otherwise make it dynamic.
#
# We also want to create LIB_DYN_SASL and DYNSASLFLAGS.
#
# Also sets using_static_sasl to "no" "static" or "staticonly"
#
AC_DEFUN([CMU_SASL2],
[AC_REQUIRE([SASL_GSSAPI_CHK])

AC_ARG_WITH(sasl,
            [AC_HELP_STRING([--with-sasl=DIR],[Compile with libsasl2 in <DIR>])],
            with_sasl="$withval",
            with_sasl="yes")

AC_ARG_WITH(staticsasl,
            [AC_HELP_STRING([--with-staticsasl=DIR],
                            [Compile with staticly linked libsasl2 in <DIR>])],
            [with_staticsasl="$withval";
             if test $with_staticsasl != "no"; then
               using_static_sasl="static"
             fi],
            [with_staticsasl="no"; using_static_sasl="no"])

SASLFLAGS=""
LIB_SASL=""

cmu_saved_CPPFLAGS=$CPPFLAGS
cmu_saved_LDFLAGS=$LDFLAGS
cmu_saved_LIBS=$LIBS

if test ${with_staticsasl} != "no"; then
  if test -d ${with_staticsasl}; then
    if test -d ${with_staticsasl}/lib64 ; then
      ac_cv_sasl_where_lib=${with_staticsasl}/lib64
    else
      ac_cv_sasl_where_lib=${with_staticsasl}/lib
    fi
    ac_cv_sasl_where_lib=${with_staticsasl}/lib
    ac_cv_sasl_where_inc=${with_staticsasl}/include

    SASLFLAGS="-I$ac_cv_sasl_where_inc"
    LIB_SASL="-L$ac_cv_sasl_where_lib"
    CPPFLAGS="${cmu_saved_CPPFLAGS} -I${ac_cv_sasl_where_inc}"
    LDFLAGS="${cmu_saved_LDFLAGS} -L${ac_cv_sasl_where_lib}"
  else
    with_staticsasl="/usr"
  fi

  AC_CHECK_HEADER(sasl/sasl.h,
                  [AC_CHECK_HEADER(sasl/saslutil.h,
                                   [for i42 in lib64 lib; do
                                      if test -r ${with_staticsasl}/$i42/libsasl2.a; then
                                        ac_cv_found_sasl=yes
                                        AC_MSG_CHECKING([for static libsasl])
                                        LIB_SASL="$LIB_SASL ${with_staticsasl}/$i42/libsasl2.a"
                                      fi
                                    done
                                    AC_CHECK_FUNC(dlopen,,[AC_CHECK_LIB(dl, dlopen, [LIB_SASL+="$LIB_SASL -ldl"])])
                                    if test ! "$ac_cv_found_sasl" = "yes"; then
                                      AC_MSG_CHECKING([for static libsasl])
                                      AC_MSG_ERROR([Could not find ${with_staticsasl}/lib*/libsasl2.a])
                                    fi])])

  AC_MSG_RESULT([found])

  if test "x$SASL_GSSAPI_LIBS_SET" = "x"; then
    LIB_SASL="$LIB_SASL $GSSAPIBASE_STATIC_LIBS"
  else
    SASL_GSSAPI_LIBS_SET=""
    cmu_saved_LIBS="$GSSAPIBASE_STATIC_LIBS $cmu_saved_LIBS" 
  fi
fi

if test -d ${with_sasl}; then
  ac_cv_sasl_where_lib=${with_sasl}/lib
  ac_cv_sasl_where_inc=${with_sasl}/include

  DYNSASLFLAGS="-I$ac_cv_sasl_where_inc"
  if test "$ac_cv_sasl_where_lib" != ""; then
    CMU_ADD_LIBPATH_TO($ac_cv_sasl_where_lib, LIB_DYN_SASL)
  fi
  LIB_DYN_SASL="$LIB_DYN_SASL -lsasl2"
  CPPFLAGS="${cmu_saved_CPPFLAGS} -I${ac_cv_sasl_where_inc}"
  LDFLAGS="${cmu_saved_LDFLAGS} -L${ac_cv_sasl_where_lib}"
fi

# be sure to check for a SASLv2 specific function
AC_CHECK_HEADER(sasl/sasl.h,
                [AC_CHECK_HEADER(sasl/saslutil.h,
                                 [AC_CHECK_LIB(sasl2, prop_get, 
                                               ac_cv_found_sasl=yes,
                                               ac_cv_found_sasl=no)],
                                 ac_cv_found_sasl=no)],
                ac_cv_found_sasl=no)

if test "$ac_cv_found_sasl" = "yes"; then
  if test "$ac_cv_sasl_where_lib" != ""; then
    CMU_ADD_LIBPATH_TO($ac_cv_sasl_where_lib, DYNLIB_SASL)
  fi
  DYNLIB_SASL="$DYNLIB_SASL -lsasl2"
  if test "$using_static_sasl" != "static"; then
    LIB_SASL=$DYNLIB_SASL
    SASLFLAGS=$DYNSASLFLAGS
  fi
else
  DYNLIB_SASL=""
  DYNSASLFLAGS=""
  using_static_sasl="staticonly"
fi

if test "x$SASL_GSSAPI_LIBS_SET" != "x"; then
  SASL_GSSAPI_LIBS_SET=""
  cmu_saved_LIBS="$GSSAPIBASE_LIBS $cmu_saved_LIBS" 
fi

LIBS="$cmu_saved_LIBS"
LDFLAGS="$cmu_saved_LDFLAGS"
CPPFLAGS="$cmu_saved_CPPFLAGS"

AC_SUBST(LIB_DYN_SASL)
AC_SUBST(DYNSASLFLAGS)
AC_SUBST(LIB_SASL)
AC_SUBST(SASLFLAGS)
])# CMU_SASL2


# CMU_SASL2_REQUIRED
# ------------------
AC_DEFUN([CMU_SASL2_REQUIRED],
[AC_REQUIRE([CMU_SASL2])
if test "$ac_cv_found_sasl" != "yes"; then
  AC_MSG_ERROR([Cannot continue without libsasl2.
Get it from ftp://ftp.andrew.cmu.edu/pub/cyrus-mail/.])
fi])


# CMU_SASL2_REQUIRE_VER
# ---------------------
AC_DEFUN([CMU_SASL2_REQUIRE_VER],
[AC_REQUIRE([CMU_SASL2_REQUIRED])

cmu_saved_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS $SASLFLAGS"

AC_TRY_CPP([
#include <sasl/sasl.h>

#ifndef SASL_VERSION_MAJOR
#error SASL_VERSION_MAJOR not defined
#endif
#ifndef SASL_VERSION_MINOR
#error SASL_VERSION_MINOR not defined
#endif
#ifndef SASL_VERSION_STEP
#error SASL_VERSION_STEP not defined
#endif

#if SASL_VERSION_MAJOR < $1 || SASL_VERSION_MINOR < $2 || SASL_VERSION_STEP < $3
#error SASL version is less than $1.$2.$3
#endif
],,
           [AC_MSG_ERROR([Incorrect SASL headers found.  This package requires SASL $1.$2.$3 or newer.])])

CPPFLAGS=$cmu_saved_CPPFLAGS
])# CMU_SASL2_REQUIRE_VER


# CMU_SASL2_CHECKAPOP_REQUIRED
# ----------------------------
AC_DEFUN([CMU_SASL2_CHECKAPOP_REQUIRED],
[AC_REQUIRE([CMU_SASL2_REQUIRED])

cmu_saved_LDFLAGS=$LDFLAGS

LDFLAGS="$LDFLAGS $LIB_SASL"

AC_CHECK_LIB(sasl2, sasl_checkapop,
             [AC_DEFINE(HAVE_APOP,[],[Does SASL support APOP?])],
             [AC_MSG_ERROR([libsasl2 without working sasl_checkapop.  Cannot continue.])])

LDFLAGS=$cmu_saved_LDFLAGS
])# CMU_SASL2_CHECKAPOP_REQUIRED


# SASL2_CRYPT_CHK
# ---------------
AC_DEFUN([SASL2_CRYPT_CHK],
[AC_CHECK_FUNC(crypt, cmu_have_crypt=yes,
               [AC_CHECK_LIB(crypt, crypt,
                             LIB_CRYPT="-lcrypt"; cmu_have_crypt=yes,
                             cmu_have_crypt=no)])
AC_SUBST(LIB_CRYPT)
])# SASL2_CRYPT_CHK
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