m4: want_zstd.m4 - Detect is ZSTD_minCLevel is present

diff --git a/m4/want_zstd.m4 b/m4/want_zstd.m4
index b85a81268aa7e6bfe908dc98718f83e339b5395b..57b1b03477880b7adb3aa2dc9a79f948f9aeb680 100644 (file)
--- a/m4/want_zstd.m4
+++ b/m4/want_zstd.m4
@@ -12,7 +12,7 @@ AC_DEFUN([DOVECOT_WANT_ZSTD], [
     have_compress_lib=yes
     COMPRESS_LIBS="$COMPRESS_LIBS $ZSTD_LIBS"
     AC_DEFINE([HAVE_ZSTD], [], [Define if you have ZSTD library])
-    AC_CHECK_DECLS([ZSTD_error_parameter_unsupported], [], [], [[#include <zstd_errors.h>]])
+    AC_CHECK_DECLS([ZSTD_error_parameter_unsupported, ZSTD_minCLevel], [], [], [[#include <zstd_errors.h>]])
     AC_CHECK_LIB([zstd], [ZSTD_getErrorCode], [
        AC_DEFINE([HAVE_ZSTD_GETERRORCODE], [1], [Whether zstd has ZSTD_getErrorCode])
     ], [])