From e493be82bb9824a9bd1332cb7aeee1f3cf9e57d3 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Sat, 11 Feb 2017 14:39:12 +0800
Subject: Trans - Allow passing library directories from command line

---
 src/trans/codegen_c.cpp | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

(limited to 'src/trans/codegen_c.cpp')

diff --git a/src/trans/codegen_c.cpp b/src/trans/codegen_c.cpp
index cbb3de1d..56607e8c 100644
--- a/src/trans/codegen_c.cpp
+++ b/src/trans/codegen_c.cpp
@@ -103,7 +103,7 @@ namespace {
 
         ~CodeGenerator_C() {}
 
-        void finalise(bool is_executable) override
+        void finalise(bool is_executable, const TransOptions& opt) override
         {
             // Emit box drop glue after everything else to avoid definition ordering issues
             for(auto& e : m_box_glue_todo)
@@ -135,8 +135,20 @@ namespace {
             ::std::vector<const char*>  args;
             args.push_back( getenv("CC") ? getenv("CC") : "gcc" );
             args.push_back("-pthread");
-            args.push_back("-O2");
-            args.push_back("-g");
+            switch(opt.opt_level)
+            {
+            case 0: break;
+            case 1:
+                args.push_back("-O1");
+                break;
+            case 2:
+                args.push_back("-O2");
+                break;
+            }
+            if( opt.emit_debug_info )
+            {
+                args.push_back("-g");
+            }
             args.push_back("-o");
             args.push_back(m_outfile_path.c_str());
             args.push_back(m_outfile_path_c.c_str());
@@ -147,6 +159,10 @@ namespace {
                     tmp.push_back(crate.second.m_filename + ".o");
                     args.push_back(tmp.back().c_str());
                 }
+                for(const auto& path : opt.library_search_dirs )
+                {
+                    args.push_back("-L"); args.push_back(path.c_str());
+                }
                 for(const auto& lib : m_crate.m_ext_libs) {
                     ASSERT_BUG(Span(), lib.name != "", "");
                     args.push_back("-l"); args.push_back(lib.name.c_str());
@@ -158,6 +174,10 @@ namespace {
                         args.push_back("-l"); args.push_back(lib.name.c_str());
                     }
                 }
+                for(const auto& path : opt.libraries )
+                {
+                    args.push_back("-l"); args.push_back(path.c_str());
+                }
                 args.push_back("-z"); args.push_back("muldefs");
                 args.push_back("-Wl,--gc-sections");
             }
-- 
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