From ea1a5435bb4de994f11684391633ac078daf38a5 Mon Sep 17 00:00:00 2001
From: Christoffer Lerno <christoffer@aegik.com>
Date: Tue, 30 May 2023 15:30:14 +0200
Subject: [PATCH] Dead strip on "strip unused"

---
 releasenotes.md       |  1 +
 src/compiler/linker.c | 16 ++++++++++++++++
 src/version.h         |  2 +-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/releasenotes.md b/releasenotes.md
index 0d49601de..f117d9ede 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -8,6 +8,7 @@
 - `$assert` now uses `$assert <expr> : <optional message>`
 - `$error` is syntax sugar for `$assert false : "Some message"`
 - `$include`, `$echo` no longer has mandatory `()` around the arguments.
+- Updated cpu arguments for x86
 - Dropped support for LLVM 13-14.
 - Updated grammar and lexer definition.
 - Removal of `$elif`.
diff --git a/src/compiler/linker.c b/src/compiler/linker.c
index 716be0bb5..15940f325 100644
--- a/src/compiler/linker.c
+++ b/src/compiler/linker.c
@@ -286,6 +286,11 @@ static void linker_setup_macos(const char ***args_ref, LinkerType linker_type)
 	}
 	add_arg("-arch");
 	add_arg(arch_to_linker_arch(platform_target.arch));
+	if (active_target.strip_unused && active_target.type == TARGET_TYPE_EXECUTABLE)
+	{
+		add_arg("-no_exported_symbols");
+		add_arg("-dead_strip");
+	}
 
 	// Skip if no libc.
 	if (active_target.no_libc) return;
@@ -386,6 +391,12 @@ static void linker_setup_linux(const char ***args_ref, LinkerType linker_type)
 	if (active_target.no_libc) return;
 	const char *crt_begin_dir = find_linux_crt_begin();
 	const char *crt_dir = find_linux_crt();
+
+	if (active_target.strip_unused && active_target.type == TARGET_TYPE_EXECUTABLE)
+	{
+		add_arg("-dead_strip");
+	}
+
 	if (!crt_begin_dir || !crt_dir)
 	{
 		error_exit("Failed to find the C runtime at link time.");
@@ -431,6 +442,11 @@ static void linker_setup_freebsd(const char ***args_ref, LinkerType linker_type)
 	{
 		error_exit("Failed to find the C runtime at link time.");
 	}
+	if (active_target.strip_unused && active_target.type == TARGET_TYPE_EXECUTABLE)
+	{
+		add_arg("-dead_strip");
+	}
+
 	if (is_pie_pic(platform_target.reloc_model))
 	{
 		add_arg("-pie");
diff --git a/src/version.h b/src/version.h
index db9594928..7d6bd11ca 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define COMPILER_VERSION "0.4.517"
\ No newline at end of file
+#define COMPILER_VERSION "0.4.518"
\ No newline at end of file