X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fstrftime.m4;h=caeb21fb41be90bb3268c30309281f61a2d32050;hb=0dcc0c81a32702abe7ee73fec9d4887ba325e0f0;hp=6c12da6c2f79d15052bbf9abed8c06708371d84b;hpb=305ca0d0a10d03d10ab51535d1562b5d58cc1880;p=gnulib.git diff --git a/m4/strftime.m4 b/m4/strftime.m4 index 6c12da6c2..caeb21fb4 100644 --- a/m4/strftime.m4 +++ b/m4/strftime.m4 @@ -1,11 +1,12 @@ -#serial 7 +#serial 15 dnl This macro is intended to be used solely in this file. dnl These are the prerequisite macros for GNU's strftime.c replacement. AC_DEFUN(_jm_STRFTIME_PREREQS, [ - dnl strftime.c uses localtime_r if it exists. Check for it. - AC_CHECK_FUNCS(localtime_r) + dnl strftime.c uses localtime_r and the underyling system strftime + dnl if they exist. + AC_CHECK_FUNCS(localtime_r strftime) AC_CHECK_HEADERS(limits.h) AC_CHECK_FUNCS(bcopy tzset mempcpy memcpy memset) @@ -15,15 +16,11 @@ AC_DEFUN(_jm_STRFTIME_PREREQS, AC_CHECK_FUNCS(mblen mbrlen) - AC_CHECK_MEMBER(struct tm.tm_gmtoff, - [AC_DEFINE(HAVE_TM_GMTOFF)], + AC_CHECK_MEMBER([struct tm.tm_gmtoff], + [AC_DEFINE(HAVE_TM_GMTOFF, 1, + [Define if struct tm has the tm_gmtoff member.])], , - dnl FIXME: having to put the closing square bracket on the - dnl FIXME: next line is a gross kludge to work around an - dnl FIXME: infelicity in how the new autoconf works. - dnl FIXME: This should be fixed pretty soon. - [#include - ]) + [#include ]) ]) dnl Determine if the strftime function has all the features of the GNU one. @@ -40,8 +37,7 @@ AC_DEFUN(jm_FUNC_GNU_STRFTIME, AC_CHECK_HEADERS(sys/time.h) AC_CACHE_CHECK([for working GNU strftime], jm_cv_func_working_gnu_strftime, [AC_TRY_RUN( -changequote(<<, >>)dnl -<< /* Ulrich Drepper provided parts of the test program. */ +[ /* Ulrich Drepper provided parts of the test program. */ #if STDC_HEADERS # include #endif @@ -81,6 +77,11 @@ main () time_t t = 738367; /* Fri Jan 9 13:06:07 1970 */ tm = gmtime (&t); + /* Undefine this in case the configure-time putenv test has defined it + to something else. The use we make of this function here doesn't + require the added functionality of the replacement one. */ +#undef putenv + /* This is necessary to make strftime give consistent zone strings and e.g., seconds since the epoch (%s). */ putenv ("TZ=GMT0"); @@ -138,17 +139,14 @@ main () CMP ("%z", "+0000"); /* GNU */ exit (n_fail ? 1 : 0); -} - >>, -changequote([, ])dnl +}], jm_cv_func_working_gnu_strftime=yes, jm_cv_func_working_gnu_strftime=no, dnl When crosscompiling, assume strftime is missing or broken. jm_cv_func_working_gnu_strftime=no) ]) if test $jm_cv_func_working_gnu_strftime = no; then - AC_SUBST(LIBOBJS) - LIBOBJS="$LIBOBJS strftime.$ac_objext" + AC_LIBOBJ(strftime) AC_DEFINE_UNQUOTED(strftime, gnu_strftime, [Define to gnu_strftime if the replacement function should be used.]) fi