# Makefile for uxd, by B. Watson. WTFPL.
# Tested with GNU make, BSD make, makepp, and Schily's dmake and smake.

### Override these variables as needed. Don't override CFLAGS; use
#   MYCFLAGS instead.
MYCFLAGS=-O2 -fPIC
LDFLAGS=
LIBS=
RST2MAN=rst2man

#   These only affect the 'install' target (they don't get compiled
#   into the binary).
PREFIX=/usr
MANDIR=$(PREFIX)/man
MAN1DIR=$(MANDIR)/man1
BINDIR=$(PREFIX)/bin
DESTDIR=
INSTALL_DATA=install -m0644
INSTALL_PROGRAM=install -s -m0755
GZIP=gzip -9
GZIP_MAN=yes

#
### No user-serviceable parts below.

VERSION=0.1.0

DEFINES=-DVERSION='"$(VERSION)"'
WARNFLAGS=-std=c89 -Wall -pedantic -Wextra
CFLAGS=$(DEFINES) $(WARNFLAGS) $(MYCFLAGS)
SRCS=uxd.c getopt.c usage.c

.PHONY: all test man clean install g++ clang++ clang

all: uxd man

uxd: $(SRCS)
	$(CC) $(CFLAGS) $(LDFLAGS) -o uxd $(SRCS) $(LIBS)

usage.c: uxd.rst mkusage.pl
	perl mkusage.pl uxd.rst > usage.c

install: all
	mkdir -p $(DESTDIR)$(BINDIR) $(DESTDIR)$(MAN1DIR)
	$(INSTALL_DATA) uxd.1 $(DESTDIR)$(MAN1DIR)
	[ "$(GZIP_MAN)" = "yes" ] && $(GZIP) $(DESTDIR)$(MAN1DIR)/uxd.1 || true
	$(INSTALL_PROGRAM) uxd $(DESTDIR)$(BINDIR)

test: uxd
	./uxd

man: uxd.1

uxd.1: uxd.rst ver.rst
	$(RST2MAN) uxd.rst > uxd.1

ver.rst:
	echo '.. |version| replace:: $(VERSION)' > ver.rst

clean:
	rm -f uxd *.o

realclean: clean
	rm -f uxd.1 usage.c

# the rest of the targets are for portability testing.

tcc: clean
	$(MAKE) CC=tcc

pcc: clean
	$(MAKE) CC=pcc

clang: clean
	$(MAKE) CC=clang

g++: clean
	$(MAKE) CC=g++ WARNFLAGS="-Wall -Wno-write-strings -xc++"

clang++: clean
	$(MAKE) CC=clang++ WARNFLAGS="-Wall -Wno-write-strings -xc++"