From e17072a255443b7f0568483dfc8de3742f9d8d63 Mon Sep 17 00:00:00 2001
From: "Haelwenn (lanodan) Monnier" <contact@hacktivis.me>
Date: Mon, 2 Mar 2026 21:06:55 +0100
Subject: [PATCH] Makefile: Default to CFLAGS/LDFLAGS from environment
X-Archived-At: https://github.com/aearil/dustr/pull/3

Requires to always pass -std=c99, and order $LDFLAGS and $LIBS
correctly to prevent linking issues with LDFLAGS=-Wl,--as-needed
---
 Makefile | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 2385b2e..1aaab81 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,15 @@
 PREFIX = /usr/local
 MANPREFIX = $(PREFIX)/share/man
-CFLAGS   = -std=c99 -pedantic -Wall -Wextra -Os
-LDFLAGS  = -s
+CFLAGS   ?= -pedantic -Wall -Wextra -Os
+LDFLAGS  ?= -s
 LIBS = -lSDL2 -lpng -ljpeg
 CC ?= cc
 
 dustr: dustr.o util.o img.o
-	$(CC) $(LDFLAGS) $(LIBS) $^ -o $@
+	$(CC) -std=c99 -o $@ $^ $(LDFLAGS) $(LIBS)
 
 %.o: %.c util.h img.h
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) -std=c99 $(CFLAGS) -c $< -o $@
 
 install: dustr
 	mkdir -p "$(DESTDIR)$(PREFIX)/bin"