diff options
Diffstat (limited to 'gnulib/m4/utimens.m4')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/m4/utimens.m4 | 40 |
2 files changed, 40 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/m4/utimens.m4 b/gnulib/m4/utimens.m4 new file mode 100644 index 0000000..e90947f --- /dev/null +++ b/gnulib/m4/utimens.m4 @@ -0,0 +1,40 @@ +dnl Copyright (C) 2003-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl serial 6 + +AC_DEFUN([gl_UTIMENS], +[ + dnl Prerequisites of lib/utimens.c. + AC_REQUIRE([gl_FUNC_UTIMES]) + AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC]) + AC_REQUIRE([gl_CHECK_TYPE_STRUCT_UTIMBUF]) + AC_CHECK_FUNCS_ONCE([futimes futimesat futimens utimensat lutimes]) + + if test $ac_cv_func_futimens = no && test $ac_cv_func_futimesat = yes; then + dnl FreeBSD 8.0-rc2 mishandles futimesat(fd,NULL,time). It is not + dnl standardized, but Solaris implemented it first and uses it as + dnl its only means to set fd time. + AC_CACHE_CHECK([whether futimesat handles NULL file], + [gl_cv_func_futimesat_works], + [touch conftest.file + AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <stddef.h> +#include <sys/times.h> +#include <fcntl.h> +]], [[ int fd = open ("conftest.file", O_RDWR); + if (fd < 0) return 1; + if (futimesat (fd, NULL, NULL)) return 2; + ]])], + [gl_cv_func_futimesat_works=yes], + [gl_cv_func_futimesat_works=no], + [gl_cv_func_futimesat_works="guessing no"]) + rm -f conftest.file]) + if test "$gl_cv_func_futimesat_works" != yes; then + AC_DEFINE([FUTIMESAT_NULL_BUG], [1], + [Define to 1 if futimesat mishandles a NULL file name.]) + fi + fi +]) |