From df9cfc3be55bf6195d24f06c0f057dc16b4d375d Mon Sep 17 00:00:00 2001
From: Christiano Haesbaert <haesbaert@haesbaert.org>
Date: Fri, 18 Jul 2025 15:16:22 +0200
Subject: [PATCH] Autodetect musl

Instead of passing EXTRA_LDFLAGS=-lfts, just detect it and adjust it.
Makes me happier when developing on my other machine.
---
 Makefile | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index aaf4d900..82de6969 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,16 @@ else
 $(error unsupported architecture $(ARCH))
 endif
 
+# Check if we are in a musl system
+ifeq ($(shell ldd --version 2>&1|head -n1|grep -q ^musl && echo yes), yes)
+	MUSL?=1
+endif
+
+# Musl doesn't have fts, but distributions provide a libfts
+ifdef MUSL
+EXTRA_LDFLAGS+= -lfts
+endif
+
 ifeq ($(V),1)
 	Q =
 	msg =
@@ -287,7 +297,7 @@ alpine: alpine-image clean-all
 	$(call msg,ALPINE-DOCKER-RUN,Dockerfile)
 	$(Q)$(DOCKER) run 				\
 		$(ALPINE_RUN_ARGS) $(SHELL)		\
-		-c "make -C $(PWD) all initramfs.gz EXTRA_LDFLAGS=-lfts"
+		-c "make -C $(PWD) all initramfs.gz"
 
 alpine-image: clean-all
 	$(call msg,ALPINE-IMAGE,Dockerfile.alpine)