From 84a0befd3030df582bcd1e2d3e9fa075a67b3467 Mon Sep 17 00:00:00 2001
From: matt335672 <30179339+matt335672@users.noreply.github.com>
Date: Tue, 3 Oct 2023 10:34:41 +0100
Subject: [PATCH] Add getgrouplist() detection functionality

Defines the macro HAVE_GETGROUPLIST if getgrouplist() is
available, and defines the type passed to the GID array as
GETGROUPS_T
---
 configure.ac | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 414ce3b9..2f3d6938 100644
--- a/configure.ac
+++ b/configure.ac
@@ -217,7 +217,10 @@ AM_COND_IF([DEVEL_DEBUG],
 AC_SEARCH_LIBS([setusercontext], [util])
 
 # Define HAVE_XXXXX macros for some system functions
-AC_CHECK_FUNCS([setusercontext])
+AC_CHECK_FUNCS([setusercontext getgrouplist])
+
+# The type used by getgrouplist() is the same type used by getgroups()
+AC_TYPE_GETGROUPS
 
 # Don't fail without working nasm if rfxcodec is not enabled
 if test "x$enable_rfxcodec" != xyes; then