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authorJim Meyering <jim@meyering.net>2000-12-02 18:02:05 +0000
committerJim Meyering <jim@meyering.net>2000-12-02 18:02:05 +0000
commit6b94589fa407c0cd3b4ee718cf2511308ae1421c (patch)
treeb69737bc5f48b3705f1d73b48522e5b58493f153 /m4
parent0d849addb325f581692679899434a924b661e0c1 (diff)
downloadcoreutils-6b94589fa407c0cd3b4ee718cf2511308ae1421c.tar.xz
*** empty log message ***
Diffstat (limited to 'm4')
-rw-r--r--m4/off_t-format.m482
1 files changed, 45 insertions, 37 deletions
diff --git a/m4/off_t-format.m4 b/m4/off_t-format.m4
index 7eba1d371..7d5e86600 100644
--- a/m4/off_t-format.m4
+++ b/m4/off_t-format.m4
@@ -3,44 +3,52 @@
dnl FIXME
AC_DEFUN(jm_SYS_OFF_T_PRINTF_FORMAT,
[dnl
- AC_CHECK_HEADERS(string.h stdlinb.h)
- AC_CACHE_CHECK([for printf format that works with type off_t],
- jm_cv_sys_off_t_printf_format,
- [
- for jm_fmt in '' L ll q; do
- jm_OFF_T_FORMAT="$jm_fmt"
- export jm_OFF_T_FORMAT
- AC_TRY_RUN([
-# include <sys/types.h>
-# include <stdio.h>
-# if HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
-# if HAVE_STRING_H
-# include <string.h>
-# endif
- int
- main()
- {
- static off_t x[] = {1, 255, 65535, 99999999};
- char buf[50], fmt[50];
+ AC_CHECK_HEADERS(string.h stdlinb.h)
+ AC_CACHE_CHECK([for printf format that works with type off_t],
+ jm_cv_sys_off_t_printf_format,
+ [
+ jm_cv_sys_off_t_printf_format=undef
+ for jm_fmt in '' L ll q; do
+ jm_OFF_T_FORMAT="$jm_fmt"
+ export jm_OFF_T_FORMAT
+ AC_TRY_RUN([
+# include <sys/types.h>
+# include <stdio.h>
+# if HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+# if HAVE_STRING_H
+# include <string.h>
+# endif
+ int
+ main()
+ {
+ static off_t x[] = {1, 255, 65535, 99999999};
+ char buf[50], fmt[50];
- /* this should be one of these values: "", "L", "ll", "q" */
- char *f = getenv ("jm_OFF_T_FORMAT");
+ /* this should be one of these values: "", "L", "ll", "q" */
+ char *f = getenv ("jm_OFF_T_FORMAT");
- sprintf (fmt, "%%%sd %%%sx %%%sx %%%sd", f, f, f, f);
- sprintf (buf, fmt, x[0], x[1], x[2], x[3]);
- exit (strcmp (buf, "1 ff ffff 99999999"));
- }
- ], jm_cv_sys_off_t_printf_format=$jm_fmt; break
- , jm_cv_sys_off_t_printf_format=no dnl The library version does NOT work.
- , jm_cv_sys_off_t_printf_format=no dnl We're cross compiling.
- )
- done
- ])
- fi
+ sprintf (fmt, "%%%sd %%%sx %%%sx %%%sd", f, f, f, f);
+ sprintf (buf, fmt, x[0], x[1], x[2], x[3]);
+ exit (strcmp (buf, "1 ff ffff 99999999"));
+ }
+ ], jm_cv_sys_off_t_printf_format=$jm_fmt; break
+ , dnl didn't work
+ dnl Cross compiling -- you lose. Specify it via the cache.
+ )
+ done
- if test $am_cv_func_working_getline = no; then
- AC_LIBOBJ(getline)
- fi
+ # Die if none of the above worked.
+ # FIXME: If this failure become a problem that we can't work around,
+ # an alternative would be to arrange not to build od.
+ if test $jm_cv_sys_off_t_printf_format = undef; then
+ AC_MSG_ERROR(dnl
+ [couldn't find a printf format that works with the type, off_t])
+ fi
+ ])
+
+ AC_DEFINE_UNQUOTED(OFF_T_PRINTF_FORMAT_STRING,
+ "$jm_cv_sys_off_t_printf_format",
+ [printf format string for type off_t, without the `%']);
])