From 0d0d0afbfd0321e7f0fb546b369e9f4cfe24087a Mon Sep 17 00:00:00 2001
From: Lassi Kortela <lassi@lassi.io>
Date: Wed, 15 Feb 2023 14:31:59 +0200
Subject: [PATCH] Rewrite Makefile

Sweeping changes; the old Makefile was rudimentary and buggy.

NB: makedepend is optional. You don't need to run it.
---
 src/Makefile | 79 +++++++++++++++++++++++++---------------------------
 1 file changed, 38 insertions(+), 41 deletions(-)

diff --git a/src/Makefile b/src/Makefile
index 7887e02..7e1e873 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,39 +1,26 @@
-# $Revision: 1.12 $
+PREFIX = $$HOME/.local
+BINDIR = $(PREFIX)/bin
+DATADIR = $(PREFIX)/share
 
-###  You need a C compiler that compiles ANSI C code.
-CC      = gcc
-CFLAGS  = -Wall -pedantic -O
+ELK_INCLUDE_DIR = $(PREFIX)/include
+ELK_LIB_DIR = $(PREFIX)/lib
 
-###  If you need additional linker flags add them here.
-LDFLAGS =
+CTAGS = ctags -t -w
+INSTALL = install
+MAKEDEPEND = makedepend
 
-###  The directory where the Elk installation resides on your system.
-ELKDIR  = /usr/elk
-
-###  Additional libraries.  You may want to insert the output of the
-###  shell-script $(ELKDIR)/lib/ldflags here.
-LIBS    = -lm
-
-###  The makedepend program (it's usually installed with the X11 binaries).
-MAKEDEP = makedepend
+CC = gcc
+CFLAGS = -Wall -pedantic -O -I $(ELK_INCLUDE_DIR)
+LDFLAGS = -L $(ELK_LIB_DIR) -lm -lelk
 
 ###  The directory under which you will install the Scheme files.
-DIR = /usr/local/lib/unroff
+DEFAULT_DIR = $(DATADIR)/unroff
+SCMDIR = $(DATADIR)/unroff/scm
 
-###  The default output format.
-FORMAT = html
+DEFAULT_FORMAT = html
 
-
-
-
-###  End of configurable variables.
-###  ------------------------------------------------------------------------- 
-
-SHELL   = /bin/sh
-INCLUDE = -I$(ELKDIR)/include
-ELK     = $(ELKDIR)/lib/module.o
-DEFS    = -DDEFAULT_DIR=\"$(DIR)\" -DDEFAULT_FORMAT=\"$(FORMAT)\"
-CTAGS   = ctags -t -w
+INCLUDE = -I $(ELK_INCLUDE_DIR)
+DEFS    = -D DEFAULT_DIR=\"$(DEFAULT_DIR)\" -D DEFAULT_FORMAT=\"$(DEFAULT_FORMAT)\"
 
 SOURCES	= \
 	args.c\
@@ -67,27 +54,37 @@ OBJECTS	= \
 	stream.o\
 	subst.o\
 	table.o\
-	unroff.o\
-	$(ELK)
+	unroff.o
 
-ALL	= unroff
+all:    unroff
 
-all:    $(ALL)
+unroff: $(OBJECTS)
+	$(CC) $(LDFLAGS) -o $@ $(OBJECTS)
 
 .c.o:
 	$(CC) $(CFLAGS) $(INCLUDE) $(DEFS) -c $<
 
-clean:
-	rm -f *.o $(ALL)
+install: unroff
+	$(INSTALL) unroff $(BINDIR)/unroff
+	mkdir -p $(SCMDIR)
+	mkdir -p $(SCMDIR)/html
+	mkdir -p $(SCMDIR)/misc
+	$(INSTALL) -m 644 ../scm/html/common.scm $(SCMDIR)/html/common.scm
+	$(INSTALL) -m 644 ../scm/html/m.scm $(SCMDIR)/html/m.scm
+	$(INSTALL) -m 644 ../scm/html/man.scm $(SCMDIR)/html/man.scm
+	$(INSTALL) -m 644 ../scm/html/ms.scm $(SCMDIR)/html/ms.scm
+	$(INSTALL) -m 644 ../scm/misc/hyper.scm $(SCMDIR)/misc/hyper.scm
+	$(INSTALL) -m 644 ../scm/troff.scm $(SCMDIR)/troff.scm
 
-tags ctags:    $(SOURCES)
+clean:
+	rm -f $(OBJECTS) unroff
+
+tags ctags: $(SOURCES)
 	$(CTAGS) $(SOURCES)
 
-unroff:  $(OBJECTS)
-	$(CC) $(LDFLAGS) -o $@ $(OBJECTS) $(LIBS)
-
-depend:    Makefile $(SOURCES)
-	$(MAKEDEP) $(INCLUDE) $(SOURCES)
+depend: Makefile $(SOURCES)
+	$(MAKEDEPEND) $(INCLUDE) $(SOURCES)
 
+.PHONY: all clean ctags depend install tags
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.