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126 lines
3.1 KiB
Plaintext
126 lines
3.1 KiB
Plaintext
#serial 3
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dnl From Jim Meyering.
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dnl If you use this macro in a package, you should
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dnl add the following two lines to acconfig.h:
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dnl /* Define to gnu_strftime if the replacement function should be used. */
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dnl #undef strftime
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dnl
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AC_DEFUN(jm_FUNC_GNU_STRFTIME,
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[AC_REQUIRE([AC_HEADER_TIME])dnl
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AC_REQUIRE([AC_C_CONST])dnl
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AC_REQUIRE([AC_HEADER_STDC])dnl
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AC_CHECK_HEADERS(sys/time.h)
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AC_CACHE_CHECK([for working GNU strftime], jm_cv_func_working_gnu_strftime,
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[AC_TRY_RUN(
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changequote(<<, >>)dnl
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<< /* Ulrich Drepper provided parts of the test program. */
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#if STDC_HEADERS
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# include <stdlib.h>
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#endif
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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static int
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compare (const char *fmt, const struct tm *tm, const char *expected)
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{
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char buf[99];
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strftime (buf, 99, fmt, tm);
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if (strcmp (buf, expected))
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{
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#ifdef SHOW_FAILURES
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printf ("fmt: \"%s\", expected \"%s\", got \"%s\"\n",
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fmt, expected, buf);
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#endif
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return 1;
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}
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return 0;
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}
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int
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main ()
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{
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int n_fail = 0;
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struct tm *tm;
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time_t t = 738367; /* Fri Jan 9 13:06:07 1970 */
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tm = gmtime (&t);
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/* This is necessary to make strftime give consistent zone strings and
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e.g., seconds since the epoch (%s). */
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putenv ("TZ=GMT0");
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#undef CMP
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#define CMP(Fmt, Expected) n_fail += compare ((Fmt), tm, (Expected))
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CMP ("%-m", "1"); /* GNU */
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CMP ("%A", "Friday");
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CMP ("%^A", "FRIDAY"); /* The ^ is a GNU extension. */
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CMP ("%B", "January");
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CMP ("%^B", "JANUARY");
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CMP ("%C", "19"); /* POSIX.2 */
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CMP ("%D", "01/09/70"); /* POSIX.2 */
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CMP ("%G", "1970"); /* GNU */
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CMP ("%H", "13");
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CMP ("%I", "01");
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CMP ("%M", "06");
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CMP ("%M", "06");
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CMP ("%R", "13:06"); /* POSIX.2 */
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CMP ("%S", "07");
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CMP ("%T", "13:06:07"); /* POSIX.2 */
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CMP ("%U", "01");
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CMP ("%V", "02");
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CMP ("%W", "01");
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CMP ("%X", "13:06:07");
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CMP ("%Y", "1970");
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CMP ("%Z", "GMT");
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CMP ("%_m", " 1"); /* GNU */
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CMP ("%a", "Fri");
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CMP ("%^a", "FRI");
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CMP ("%b", "Jan");
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CMP ("%^b", "JAN");
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CMP ("%c", "Fri Jan 9 13:06:07 1970");
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CMP ("%^c", "FRI JAN 9 13:06:07 1970");
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CMP ("%d", "09");
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CMP ("%e", " 9"); /* POSIX.2 */
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CMP ("%g", "70"); /* GNU */
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CMP ("%h", "Jan"); /* POSIX.2 */
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CMP ("%^h", "JAN");
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CMP ("%j", "009");
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CMP ("%k", "13"); /* GNU */
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CMP ("%l", " 1"); /* GNU */
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CMP ("%m", "01");
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CMP ("%n", "\n"); /* POSIX.2 */
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CMP ("%p", "PM");
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CMP ("%r", "01:06:07 PM"); /* POSIX.2 */
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CMP ("%s", "738367"); /* GNU */
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CMP ("%t", "\t"); /* POSIX.2 */
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CMP ("%u", "5"); /* POSIX.2 */
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CMP ("%w", "5");
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CMP ("%x", "01/09/70");
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CMP ("%y", "70");
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CMP ("%z", "+0000"); /* GNU */
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exit (n_fail ? 1 : 0);
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}
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>>,
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changequote([, ])dnl
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jm_cv_func_working_gnu_strftime=yes,
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jm_cv_func_working_gnu_strftime=no,
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dnl When crosscompiling, assume strftime is missing or broken.
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jm_cv_func_working_gnu_strftime=no)
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])
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if test $jm_cv_func_working_gnu_strftime = no; then
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LIBOBJS="$LIBOBJS strftime.o"
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AC_DEFINE_UNQUOTED(strftime, gnu_strftime)
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fi
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])
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