From 5deb13d9d980a595946ff58e4e6d83f9d770ff10 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 14 Feb 2018 09:35:34 +0100
Subject: [PATCH] fix up makefile

Make sure we respect CFLAGS/CPPFLAGS properly.

Also fix up the depend include so we get reproducible behavior --
the depend file is generated & included first, and we don't get
weird behavior when we run:
        git clean -x -d
        make
        make
---
 Makefile | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 9394668..af3ae56 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,9 @@
 TARGETS = ppstest ppsctl ppswatch ppsldisc
 
-CFLAGS += -Wall -O2 -D_GNU_SOURCE
-CFLAGS += -ggdb
+CFLAGS ?= -O2 -ggdb
+CFLAGS += -Wall
 CFLAGS += -fPIC
+CPPFLAGS += -D_GNU_SOURCE
 LDLIBS += -lm
 
 # -- Actions section --
@@ -12,11 +13,9 @@ LDLIBS += -lm
 all : .depend $(TARGETS)
 
 .depend depend dep :
-	$(CC) $(CFLAGS) -M $(TARGETS:=.c) > .depend
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -M $(TARGETS:=.c) > .depend
 
-ifeq (.depend,$(wildcard .depend))
-include .depend
-endif
+-include .depend
 
 install : all
 	install -m 755 -t $(DESTDIR)/usr/bin ppsfind $(TARGETS)
-- 
2.16.1