From 38cce02684b5628ff1e3da5e327e565f4293558b Mon Sep 17 00:00:00 2001
From: Yann Collet <cyan@fb.com>
Date: Thu, 18 Dec 2025 12:59:14 -0800
Subject: [PATCH] Makefile: remove support of legacy formats by default

can still be changed manually by setting `ZSTD_LEGACY_SUPPORT` to a different value
---
 lib/libzstd.mk | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/libzstd.mk b/lib/libzstd.mk
index d1744973e..60928b0ee 100644
--- a/lib/libzstd.mk
+++ b/lib/libzstd.mk
@@ -28,12 +28,8 @@ LIB_BINDIR ?= $(LIB_SRCDIR)
 # configures a bunch of other variables to space-optimized defaults.
 ZSTD_LIB_MINIFY ?= 0
 
-# Legacy support
-ifneq ($(ZSTD_LIB_MINIFY), 0)
-  ZSTD_LEGACY_SUPPORT ?= 0
-else
-  ZSTD_LEGACY_SUPPORT ?= 5
-endif
+# Legacy support disabled by default
+ZSTD_LEGACY_SUPPORT ?= 0
 ZSTD_LEGACY_MULTITHREADED_API ?= 0
 
 # Build size optimizations