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