From e8edf1395b25ee0dba11a00b666c06280aef440c Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Tue, 13 Jan 2026 11:24:11 +0100
Subject: add SM3 hash algos available in libxcrypt 4.5

---
 config.m4 | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'config.m4')

diff --git a/config.m4 b/config.m4
index fb6b2e7..a4156a0 100644
--- a/config.m4
+++ b/config.m4
@@ -50,6 +50,24 @@ int main(void) {
     AC_MSG_RESULT([missing])
   ])
 
+  AC_MSG_CHECKING([for sm3 algo])
+  AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <string.h>
+#include <unistd.h>
+#include <crypt.h>
+#include <stdlib.h>
+
+int main(void) {
+    char salt[8];
+	salt[0]='$'; salt[1]='s'; salt[2]='m'; salt[3]='3'; salt[4]='$'; salt[5]=0;
+	return crypt_gensalt(salt, 0, NULL, 0) ? 0 : 1;
+}]])],[
+    AC_DEFINE([HAVE_CRYPT_SM3], [1], [ Have sm3 hash support ])
+    AC_MSG_RESULT([available])
+  ], [
+    AC_MSG_RESULT([missing])
+  ])
+
   CFLAGS=$old_CFLAGS
   LIBS=$old_LIBS
 
-- 
cgit