From 3e0c48f127f9e7fbf43281e10e12a11fbb245de9 Mon Sep 17 00:00:00 2001
From: Humm <hummsmith42@gmail.com>
Date: Wed, 29 Apr 2020 18:51:09 +0200
Subject: [PATCH] make Makefile POSIX conform

---
 Makefile   | 27 ++++++++++++++++++++-------
 config.mak |  0
 2 files changed, 20 insertions(+), 7 deletions(-)
 create mode 100644 config.mak

diff --git a/Makefile b/Makefile
index 08517d6..2f48d01 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,29 @@
 # Use config.mak to override any of the following variables.
 # Do not make changes here.
 
+.POSIX:
+
 prefix = /usr/local
 bindir = $(prefix)/bin
 mandir = $(prefix)/share/man
 
-SRCS := $(sort $(wildcard *.c))
-OBJS := $(SRCS:.c=.o)
+OBJS = display.o \
+       file.o \
+       hexedit.o \
+       interact.o \
+       mark.o \
+       misc.o \
+       page.o \
+       search.o
 
-CFLAGS  += -Wall -D_GNU_SOURCE -pipe 
+CFLAGS = -Wall -D_GNU_SOURCE -pipe
 
--include config.mak
+include config.mak
 
 all: hexedit
 
+$(OBJS): hexedit.h
+
 install: hexedit hexedit.1
 	install -D -m 755 hexedit $(DESTDIR)$(bindir)/hexedit
 	install -D -m 644 hexedit.1 $(DESTDIR)$(mandir)/man1/hexedit.1
@@ -23,9 +33,12 @@ clean:
 	rm -f $(OBJS)
 
 hexedit: $(OBJS)
-	$(CC) $(LDFLAGS) $(OBJS) -o hexedit -lncurses
+	$(CC) $(LDFLAGS) -o hexedit $(OBJS) -lncurses
+
+.SUFFIXES:
+.SUFFIXES: .o .c
 
-%.o: %.c hexedit.h
-	$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
+.c.o:
+	$(CC) $(CPPFLAGS) $(CFLAGS) -c $<
 
 .PHONY: all clean install
diff --git a/config.mak b/config.mak
new file mode 100644
index 0000000..e69de29