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-rw-r--r--configure.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 75addfb..2fadbe2 100644
--- a/configure.in
+++ b/configure.in
@@ -17,6 +17,7 @@ AC_STDC_HEADERS
AC_UNISTD_H
AC_DIR_HEADER
AC_UID_T dnl Also does gid_t.
+AC_GETGROUPS_T
AC_PID_T
AC_RETSIGTYPE
AC_HAVE_HEADERS(limits.h sys/param.h fcntl.h string.h memory.h)