X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgetloadavg.m4;h=567245ea8bc495fa47b0eff942f2c1356dcca072;hb=31d4ee218ba9dabe654a9fbf53a72e5bf203b0dc;hp=ff8cf309b0c3db2757f2c2afc25971dd0c336e9d;hpb=56f0235a59ea7058e6a6370edad604b646fdf080;p=gnulib.git

diff --git a/m4/getloadavg.m4 b/m4/getloadavg.m4
index ff8cf309b..567245ea8 100644
--- a/m4/getloadavg.m4
+++ b/m4/getloadavg.m4
@@ -1,4 +1,4 @@
-#serial 9
+#serial 11
 
 # A replacement for autoconf's macro by the same name.  This version
 # accepts an optional argument specifying the name of the $srcdir-relative
@@ -12,7 +12,8 @@ undefine([AC_FUNC_GETLOADAVG])
 AC_DEFUN([AC_FUNC_GETLOADAVG],
 [ac_have_func=no # yes means we've found a way to get the load average.
 
-AC_CHECK_HEADERS(locale.h unistd.h mach/mach.h fcntl.h)
+AC_CHECK_HEADERS_ONCE(fcntl.h locale.h unistd.h)
+AC_CHECK_HEADERS(mach/mach.h)
 AC_CHECK_FUNCS(setlocale)
 
 # By default, expect to find getloadavg.c in $srcdir/.
@@ -91,7 +92,7 @@ if test $ac_cv_func_getloadavg_setgid = yes; then
   # If we got an error (system does not support symlinks), try without -L.
   test -z "$ac_ls_output" && ac_ls_output=`ls -lg /dev/kmem`
   ac_cv_group_kmem=`echo $ac_ls_output \
-    | sed -ne ['s/[ 	][ 	]*/ /g;
+    | sed -ne ['s/[	 ][	 ]*/ /g;
 	       s/^.[sSrwx-]* *[0-9]* *\([^0-9]*\)  *.*/\1/;
 	       / /s/.* //;p;']`
 ])
@@ -106,3 +107,19 @@ LIBS=$ac_save_LIBS
 
 AC_SUBST(GETLOADAVG_LIBS)dnl
 ])# AC_FUNC_GETLOADAVG
+
+
+AC_DEFUN([gl_FUNC_GETLOADAVG],
+[
+  AC_FUNC_GETLOADAVG([lib])
+  dnl Note AC_FUNC_GETLOADAVG does AC_LIBOBJ(getloadavg).
+  if test $ac_cv_func_getloadavg = no; then
+    gl_PREREQ_GETLOADAVG
+  fi
+])
+
+# Prerequisites of lib/getloadavg.c not done by autoconf's AC_FUNC_GETLOADAVG.
+AC_DEFUN([gl_PREREQ_GETLOADAVG],
+[
+  AC_CHECK_HEADERS_ONCE(fcntl.h unistd.h)
+])