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-rw-r--r--m4/chown.m43
1 files changed, 3 insertions, 0 deletions
diff --git a/m4/chown.m4 b/m4/chown.m4
index 59b4de725..abe78cdaf 100644
--- a/m4/chown.m4
+++ b/m4/chown.m4
@@ -1,6 +1,9 @@
#serial 1
dnl From Jim Meyering.
+dnl Determine whether chown accepts arguments of -1 for gid and uid.
+dnl If it doesn't, arrange to use the replacement function.
+dnl
dnl If you use this macro in a package, you should
dnl add the following two lines to acconfig.h:
dnl /* Define to rpl_chown if the replacement function should be used. */