From 765545da42ac411eb438a8c04ccbaf3ca4005148 Mon Sep 17 00:00:00 2001
From: propelluo <propelluo@tencent.com>
Date: Tue, 31 Mar 2026 11:17:14 +0800
Subject: [PATCH] =?UTF-8?q?GCC=20<=2010=20=E4=B8=8D=E6=94=AF=E6=8C=81=20-s?=
 =?UTF-8?q?td=3Dc++20=EF=BC=8C=E5=8F=AA=E6=94=AF=E6=8C=81=20-std=3Dc++2a?=
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 =?UTF-8?q?=E5=8E=BB=E6=8E=89=E7=A1=AC=E7=BC=96=E7=A0=81=E7=9A=84=20cpp=5F?=
 =?UTF-8?q?args?=
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Signed-off-by: propelluo <propelluo@tencent.com>
---
 libfuse/tst-build.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libfuse/tst-build.sh b/libfuse/tst-build.sh
index c3dfd16..82ec393 100755
--- a/libfuse/tst-build.sh
+++ b/libfuse/tst-build.sh
@@ -51,6 +51,12 @@ ensure_meson_version() {
 build_tool() {
     cp -r "$g_tool_dir" "$g_install_dir" && cd "$g_install_dir/libfuse" || return 1
 
+    # GCC < 10 不支持 -std=c++20，只支持 -std=c++2a，在构建副本中去掉硬编码的 cpp_args
+    if ! cc -std=c++20 -x c++ -E /dev/null &>/dev/null; then
+        echo "=== patching build copy: compiler does not support -std=c++20 ==="
+        sed -i "/cpp_args\s*:\s*'-std=c++20'/d" example/meson.build
+    fi
+
     echo "=== meson setup ==="
     meson setup build -Dtests=true -Dexamples=true -Dutils=true \
         || return 1
-- 
Gitee