X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Futimes.m4;h=f7e7842c5a0cae8c1a6250b6b91033a69aa788b7;hb=1bb8cb70f5271120ecc1f88dd58fb5b79b84353d;hp=eceb7ac6d9466c5de00bda5ed5ec5b80679a8cff;hpb=b9be3ea72565fb691bf74e1da2be9a841dd0820b;p=gnulib.git diff --git a/m4/utimes.m4 b/m4/utimes.m4 index eceb7ac6d..f7e7842c5 100644 --- a/m4/utimes.m4 +++ b/m4/utimes.m4 @@ -1,37 +1,32 @@ -#serial 2 +#serial 4 -dnl Shamelessly cloned from acspecific.m4's AC_FUNC_UTIME_NULL. +dnl Shamelessly cloned from acspecific.m4's AC_FUNC_UTIME_NULL, +dnl then do case-insensitive s/utime/utimes/. -AC_DEFUN(jm_FUNC_UTIMES_NULL, +AC_DEFUN([jm_FUNC_UTIMES_NULL], [AC_CACHE_CHECK(whether utimes accepts a null argument, ac_cv_func_utimes_null, -[rm -f conftestdata; > conftestdata +[rm -f conftest.data; > conftest.data AC_TRY_RUN([ -/* In case stat has been redefined to rpl_stat, undef it here. */ +/* In case stat has been defined to rpl_stat, undef it here. */ #undef stat #include #include main() { struct stat s, t; -exit(!(stat ("conftestdata", &s) == 0 && utimes("conftestdata", (long *)0) == 0 -&& stat("conftestdata", &t) == 0 && t.st_mtime >= s.st_mtime -&& t.st_mtime - s.st_mtime < 120)); -}], ac_cv_func_utimes_null=yes, ac_cv_func_utimes_null=no, +exit(!(stat ("conftest.data", &s) == 0 + && utimes("conftest.data", (long *)0) == 0 + && stat("conftest.data", &t) == 0 + && t.st_mtime >= s.st_mtime + && t.st_mtime - s.st_mtime < 120)); +}], + ac_cv_func_utimes_null=yes, + ac_cv_func_utimes_null=no, ac_cv_func_utimes_null=no) rm -f core core.* *.core]) if test $ac_cv_func_utimes_null = yes; then - if test x = y; then - # This code is deliberately never run via ./configure. - # FIXME: this is a hack to make autoheader put the corresponding - # HAVE_* undef for this symbol in config.h.in. This saves me the - # trouble of having to maintain the #undef in acconfig.h manually. - AC_CHECK_FUNCS(UTIMES_NULL) - fi - # Defining it this way (rather than via AC_DEFINE) short-circuits the - # autoheader check -- autoheader doesn't know it's already been taken - # care of by the hack above. - ac_kludge=HAVE_UTIMES_NULL - AC_DEFINE_UNQUOTED($ac_kludge) + AC_DEFINE(HAVE_UTIMES_NULL, 1, + [Define if utimes accepts a null argument]) fi ] )