X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Futimes.m4;h=0f70ee3cc50b90a820b54b60f5d51bb6cc89bd51;hb=ee76465ad82c04707c78ff3ed723358217c9e34f;hp=ddb3aeaee47e98f33c6f38e3d18fdd556d8c89cf;hpb=c3bf1cd31fba6b06427f4fb2b339afa17077e5e9;p=gnulib.git diff --git a/m4/utimes.m4 b/m4/utimes.m4 index ddb3aeaee..0f70ee3cc 100644 --- a/m4/utimes.m4 +++ b/m4/utimes.m4 @@ -1,34 +1,32 @@ -#serial 1 +#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 -AC_TRY_RUN([#include +[rm -f conftest.data; > conftest.data +AC_TRY_RUN([ +/* 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_UNQUOTED(HAVE_UTIMES_NULL, 1, + [Define if utimes accepts a null argument]) fi ] )