From 3554e0192e03d059d93d0f59590b8cf9978c6f72 Mon Sep 17 00:00:00 2001
From: ndrew222 <38881000+ndrew222@users.noreply.github.com>
Date: Mon, 26 Jan 2026 11:45:10 +0800
Subject: [PATCH] change CFLAGS to compile on Linux

---
 configure | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index a7b95e7..d11c874 100755
--- a/configure
+++ b/configure
@@ -2692,13 +2692,13 @@ if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
   if test "$GCC" = yes; then
-    CFLAGS="-g -O2"
+    CFLAGS="-g -O2 -std=gnu89"
   else
     CFLAGS="-g"
   fi
 else
   if test "$GCC" = yes; then
-    CFLAGS="-O2"
+    CFLAGS="-O2 -std=gnu89"
   else
     CFLAGS=
   fi