#                 _,.---._    .-._        .--.-. ,--.--------.         
#   _,..---._   ,-.' , -  `. /==/ \  .-._/==/  //==/,  -   , -\
# /==/,   -  \ /==/_,  ,  - \|==|, \/ /, |==\ -\\==\.-.  - ,-./        
# |==|   _   _\==|   .=.     |==|-  \|  | \==\- \`--`\==\- \
# |==|  .=.   |==|_ : ;=:  - |==| ,  | -|  `--`-'     \==\_ \
# |==|,|   | -|==| , '='     |==| -   _ |             |==|- |          
# |==|  '='   /\==\ -    ,_ /|==|  /\ , |             |==|, |          
# |==|-,   _`/  '.='. -   .' /==/, | |- |             /==/ -/          
# `-.`.____.'     `--`--''   `--`./  `--`             `--`--`          
#                    _ __    ,---.      .-._         .=-.-.  _,.----.   
#                 .-`.' ,`..--.'  \    /==/ \  .-._ /==/_ /.' .' -   \
#                /==/, -   \==\-/\ \   |==|, \/ /, /==|, |/==/  ,  ,-'  
#               |==| _ .=. /==/-|_\ |  |==|-  \|  ||==|  ||==|-   |  .  
#               |==| , '=',\==\,   - \ |==| ,  | -||==|- ||==|_   `-' \
#               |==|-  '..'/==/ -   ,| |==| -   _ ||==| ,||==|   _  , | 
#               |==|,  |  /==/-  /\ - \|==|  /\ , ||==|- |\==\.       / 
#               /==/ - |  \==\ _.\=\.-'/==/, | |- |/==/. / `-.`.___.-'  
#               `--`---'   `--`        `--`./  `--``--`-`
#
#	@(#)Copyright (c) 2023, Nathan D. Fisher.
#
#      This is free software.  It comes with NO WARRANTY.
#      Permission to use, modify and distribute this source code
#      is granted subject to the following conditions.
#      1/ that the above copyright notice and this notice
#      are preserved in all copies and that due credit be given
#      to the author.
#      2/ that any changes to this code are clearly commented
#      as such so that the author does not get blamed for bugs
#      other than his own.
#

-include config.mk

PREFIX     ?= /usr/local
includedir  = $(DESTDIR)$(PREFIX)/include
libdir      = $(DESTDIR)$(PREFIX)/lib

srcs       += src/haggis.c
hdrs       += include/haggis.h

cflags     += -Wall -Werror
cflags     += -Iinclude

all: libhaggis.a libhaggis.so

static: libhaggis.a

shared: libhaggis.so

install: install-headers install-shared install-static

install-includedir:
	[ -d $(includedir) ] || install -d $(includedir)

install-libdir:
	[ -d $(libdir) ] || install -d $(libdir)

install-shared: libhaggis.so install-libdir
	install -m755 libhaggis.so $(libdir)/

install-static: libhaggis.a install-libdir
	install -m644 libhaggis.a $(libdir)/

install-headers: $(hdrs) install-includedir
	install -m644 $(hdrs) $(includedir)/

haggis.o: $(srcs) $(hdrs)
	$(CC) -c $(cflags) $(srcs)

libhaggis.a: haggis.o
	$(AR) rcs $@ haggis.o

haggis_shared.o: $(srcs) $(hdrs)
	$(CC) -c $(cflags) -fpic -o $@ $(srcs)

libhaggis.so: haggis_shared.o
	$(CC) -shared -o $@ haggis_shared.o

clean:
	rm -rf *.a *.so *.o

.PHONY: all clean shared static install install-includedir install-libdir \
	install-headers install-shared install-static