| AC_DEFUN([GUILE_COMPAT], | |
| [guile_compat_save_CFLAGS="$CFLAGS" | |
| guile_compat_save_LIBS="$LIBS" | |
| CFLAGS="$GUILE_CFLAGS" | |
| LIBS="$GUILE_LDFLAGS" | |
| AC_CHECK_FUNCS([scm_c_define_module scm_c_read_string scm_gc_protect_object scm_list_1 scm_c_register_extension scm_make_real scm_num2double scm_c_define_gsubr]) | |
| 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 $ac_cv_have_scm_t_bits = yes; then | |
| AC_DEFINE([HAVE_SCM_T_BITS]) | |
| fi | |
| LIBS="$guile_compat_save_LIBS" | |
| CFLAGS="$guile_compat_save_CFLAGS"]) | |