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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Bertalan <dani@danielbertalan.dev>
Date: Thu, 14 Apr 2022 10:12:54 +0200
Subject: [PATCH] [Driver] Default to -ftls-model=initial-exec on SerenityOS
This is a hack to make Clang use the initial-exec TLS model instead of
the default local-exec when building code for Serenity.
This patch should be removed when we implement proper TLS support.
---
clang/lib/Driver/ToolChains/Clang.cpp | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index 3704ed8586682677882acb8e1b82bfc14b1d07a5..cc7b598090a8795e5906abc7341f798be7dd638f 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -6029,7 +6029,13 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden_static_local_var,
options::OPT_fno_visibility_inlines_hidden_static_local_var);
Args.AddLastArg(CmdArgs, options::OPT_fvisibility_global_new_delete_hidden);
- Args.AddLastArg(CmdArgs, options::OPT_ftlsmodel_EQ);
+ if (Triple.isOSSerenity()) {
+ StringRef tls_model =
+ Args.getLastArgValue(options::OPT_ftlsmodel_EQ, "initial-exec");
+ CmdArgs.push_back(Args.MakeArgString("-ftls-model=" + tls_model));
+ } else {
+ Args.AddLastArg(CmdArgs, options::OPT_ftlsmodel_EQ);
+ }
if (Args.hasFlag(options::OPT_fnew_infallible,
options::OPT_fno_new_infallible, false))
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