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### BEGIN compatibility checks ###
AC_CHECK_FUNCS(scm_c_define_module scm_c_read_string scm_gc_protect_object scm_list_1)
AC_MSG_CHECKING(for scm_t_bits)
AC_CACHE_VAL(ac_cv_have_scm_t_bits,
[AC_TRY_COMPILE([#include <libguile.h>],
[scm_t_bits a;],
ac_cv_have_scm_t_bits=yes, ac_cv_have_scm_t_bits=no)])
AC_MSG_RESULT($ac_cv_have_scm_t_bits)
if test $ac_cv_have_scm_t_bits = yes; then
AC_DEFINE(HAVE_SCM_T_BITS)
fi
### END compatibility checks ###
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