From bf74ef0e5e4dbadc9977d447fbbc07e576a3b8e8 Mon Sep 17 00:00:00 2001
From: "Guillaume M." <58004135+GuillaumeMZ@users.noreply.github.com>
Date: Tue, 24 Dec 2024 04:03:53 +0900
Subject: [PATCH] Fix crt detection for Arch Linux (#1705)

* Fix crt detection for arch linux

On archlinux, the crt is located directly in /usr/lib. Thus, the globbing done in find_linux_crt fails since it expects the crt to be in a subdirectory of /usr/lib. This patch fixes this issue.
---
 releasenotes.md       | 1 +
 src/compiler/linker.c | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/releasenotes.md b/releasenotes.md
index 3e21d112a..a867b1ac1 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -16,6 +16,7 @@
 - `static-lib` and `dynamic-lib` options from the command line now produces headers.
 - Fix bug outputting exported functions without predefined extname.
 - Fix problem where crt1 was linked for dynamic libraries on Linux and BSD. #1710
+- Fix CRT detection on Arch Linux.
 
 ### Stdlib changes
 - Increase BitWriter.write_bits limit up to 32 bits.
diff --git a/src/compiler/linker.c b/src/compiler/linker.c
index fb0a0fc5a..872f2afcd 100644
--- a/src/compiler/linker.c
+++ b/src/compiler/linker.c
@@ -308,6 +308,13 @@ static const char *find_arch_glob_path(const char *glob_path, int file_len)
 static const char *find_linux_crt(void)
 {
 	if (compiler.build.linuxpaths.crt) return compiler.build.linuxpaths.crt;
+	const char *arch_linux_crt1_path = "/usr/lib/crt1.o";
+	if (file_exists(arch_linux_crt1_path))
+	{
+		const char *arch_linux_path = "/usr/lib";
+		INFO_LOG("Found crt at %s", arch_linux_path);
+		return arch_linux_path;
+	}
 	const char *path = find_arch_glob_path("/usr/lib/*/crt1.o", 6);
 	if (!path)
 	{