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32 lines
1.1 KiB
32 lines
1.1 KiB
From 78e15cfed8228b7abf819271154133afaa9520a3 Mon Sep 17 00:00:00 2001
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From: Matthew Maurer <mmaurer@google.com>
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Date: Thu, 13 Jun 2019 11:30:54 -0700
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Subject: [PATCH 1/2] Add clang specific flags
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* Use compiler-rt to provide __muloti4
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* Tell it to still pull in gcc_s for unwinding
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---
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src/trans/codegen_c.cpp | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/src/trans/codegen_c.cpp b/src/trans/codegen_c.cpp
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index 2ab4ff35..8c2e1ce6 100644
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--- a/src/trans/codegen_c.cpp
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+++ b/src/trans/codegen_c.cpp
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@@ -638,6 +638,12 @@ namespace {
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args.push_back(m_outfile_path_c.c_str());
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if( is_executable )
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{
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+ // TODO Only pass this to clang
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+ // Needed with clang for __muloti4
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+ args.push_back("--rtlib=compiler-rt");
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+ // Still link in unwind runtime &c
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+ args.push_back("-lgcc_s");
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+
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for( const auto& crate : m_crate.m_ext_crates )
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{
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args.push_back(crate.second.m_path + ".o");
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--
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2.22.0.410.gd8fdbe21b5-goog
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