guile18/examples/compat/acinclude.m4

   1 AC_DEFUN([GUILE_COMPAT],
   2  [guile_compat_save_CFLAGS="$CFLAGS"
   3   guile_compat_save_LIBS="$LIBS"
   4   CFLAGS="$GUILE_CFLAGS"
   5   LIBS="$GUILE_LDFLAGS"
   6   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])
   7   AC_MSG_CHECKING(for scm_t_bits)
   8   AC_CACHE_VAL(ac_cv_have_scm_t_bits,
   9                [AC_TRY_COMPILE([#include <libguile.h>],
  10                                [scm_t_bits a;],
  11                                ac_cv_have_scm_t_bits=yes,
  12                                ac_cv_have_scm_t_bits=no)])
  13   AC_MSG_RESULT($ac_cv_have_scm_t_bits)
  14   if test $ac_cv_have_scm_t_bits = yes; then
  15     AC_DEFINE(HAVE_SCM_T_BITS)
  16   fi
  17   LIBS="$guile_compat_save_LIBS"
  18   CFLAGS="$guile_compat_save_CFLAGS"])