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| author | Jim Meyering <jim@meyering.net> | 1996-12-21 01:50:50 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 1996-12-21 01:50:50 +0000 |
| commit | 5fc47138b1f01f5ec8d449585bd19abea4da7960 (patch) | |
| tree | 9c61a5687ee886cac714ed21614b3aa44fcb656a /m4/uptime.m4 | |
| parent | 4a2b289e7c27da90ba0ae5300d13eb72a048c51f (diff) | |
| download | coreutils-5fc47138b1f01f5ec8d449585bd19abea4da7960.tar.xz | |
broken out of ../acinclude.m4
Diffstat (limited to 'm4/uptime.m4')
| -rw-r--r-- | m4/uptime.m4 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/m4/uptime.m4 b/m4/uptime.m4 new file mode 100644 index 000000000..5df098c7f --- /dev/null +++ b/m4/uptime.m4 @@ -0,0 +1,15 @@ +#serial 1 + +AC_DEFUN(jm_SYS_PROC_UPTIME, +[ dnl Require AC_PROG_CC to see if we're cross compiling. + AC_REQUIRE([AC_PROG_CC]) + AC_CACHE_CHECK([for /proc/uptime], jm_cv_have_proc_uptime, + [jm_cv_have_proc_uptime=no + test -f /proc/uptime \ + && test $ac_cv_prog_cc_cross = no \ + && cat < /proc/uptime >/dev/null 2>/dev/null \ + && jm_cv_have_proc_uptime=yes]) + if test $jm_cv_have_proc_uptime = yes; then + AC_DEFINE(HAVE_PROC_UPTIME) + fi +]) |