aports/main/clang19/clang-002-fortify-enable.patch
2024-10-30 11:07:30 +00:00

29 lines
952 B
Diff

From 0a876ce2825f1e54bec7059a387e43a2e0386665 Mon Sep 17 00:00:00 2001
From: Daniel Kolesa <daniel@octaforge.org>
Date: Sun, 23 Oct 2022 01:02:35 +0200
Subject: [PATCH 2/4] clang: enable fortify by default on optimizing musl
targets
---
lib/Frontend/InitPreprocessor.cpp | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index 20bfbf144..9095c0f2f 100644
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -1508,6 +1508,11 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
#undef TARGET_OS
}
+ // Enable fortify by default on musl when optimizing, but not with asan
+ if (TI.getTriple().isMusl() && LangOpts.Optimize &&
+ !LangOpts.Sanitize.has(SanitizerKind::Address))
+ Builder.defineMacro("_FORTIFY_SOURCE", "2");
+
// Get other target #defines.
TI.getTargetDefines(LangOpts, Builder);
}
--
2.38.0