PREFIX?=		/usr/local

AR=				/usr/bin/ar
CC=				/usr/bin/cc
INSTALL=		/usr/bin/install
LN=				/bin/ln
RANLIB=			/usr/bin/ranlib

CFLAGS=			-DPOSIX -O
LDFLAGS=

INST_INCDIR=	$(PREFIX)/include
INST_LIBDIR=	$(PREFIX)/lib
INST_MANDIR=	$(PREFIX)/man

SHLIB_VERSION	= 1
SHLIB_CFLAGS	= -fpic -DPIC
SHLIB_LDFLAGS	= -shared
SHLIB_TGT		= $(INST_LIBDIR)/libgetline.so.$(SHLIB_VERSION)
SHLIB_TGT_SPEC	= -Wl,-h$(SHLIB_TGT)

all: libgetline.a libgetline.so.$(SHLIB_VERSION)

# try this after installing to check the installed static library
testgl: libgetline.a testgl.o
	$(CC) $(LDFLAGS) $(CFLAGS) -o testgl testgl.o -L$(INST_MANDIR) -lgetline

testgl.o: testgl.c getline.h

libgetline.a: getline.o
	$(AR) cr libgetline.a getline.o
	-$(RANLIB) libgetline.a

getline.o: getline.c getline.h

libgetline.so.1: getline.So
	$(CC) $(SHLIB_LDFLAGS) $(SHLIB_TGT_SPEC) -o libgetline.so.1 getline.So

getline.So: getline.c getline.h
	$(CC) -c $(LDFLAGS) $(CFLAGS) $(SHLIB_CFLAGS) -o getline.So getline.c

clean:
	rm -f testgl *.o *.So *.a *.so.1

install:
	[ -d $(INST_LIBDIR) ] || $(INSTALL) -d $(INST_LIBDIR)
	$(INSTALL) -c -g bin -o bin -m 644 libgetline.a libgetline.so.1 \
		$(INST_LIBDIR)
	$(LN) -fs $(INST_LIBDIR)/libgetline.so.$(SHLIB_VERSION) \
		 $(INST_LIBDIR)/libgetline.so
	[ -d $(INST_MANDIR)/man3 ] || $(INSTALL) -d $(INST_MANDIR)/man3
	$(INSTALL) -c -g bin -o bin -m 644 getline.3 $(INST_MANDIR)/man3
	[ -d $(INST_INCDIR) ] || $(INSTALL) -d $(INST_INCDIR)
	$(INSTALL) -c -g bin -o bin -m 644 getline.h $(INST_INCDIR)