# Sample makefile for pngcrush using gcc and make.
# Glenn Randers-Pehrson
# Last modified:  7 December 1999
#
# Invoke this makefile from a shell prompt in the usual way; for example:
#
#	make -f makefile.unx
#
# This makefile builds a statically linked executable.

# macros --------------------------------------------------------------------

CC = gcc
LD = gcc
RM = rm -f
CFLAGS = -O -Wall
# [note that -Wall is a gcc-specific compilation flag ("all warnings on")]
LDFLAGS =
O = .o
E =

PNGCRUSH  = pngcrush

LIBS = -lm

OBJS  = $(PNGCRUSH)$(O) adler32$(O) crc32$(O) deflate$(O) gzio$(O) \
	infblock$(O) infcodes$(O) inffast$(O) inflate$(O) inftrees$(O) \
	infutil$(O) png$(O) pngerror$(O) pngget$(O) pngmem$(O) \
	pngpread$(O) pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) \
	pngset$(O) pngtrans$(O) pngvcrd$(O) pngwio$(O) pngwrite$(O) \
	pngwtran$(O) pngwutil$(O) trees$(O) zutil$(O)

EXES = $(PNGCRUSH)$(E)


# implicit make rules -------------------------------------------------------

.c$(O): png.h pngconf.h zlib.h pngcrush.h
	$(CC) -c $(CFLAGS) $<


# dependencies --------------------------------------------------------------

all:  $(EXES)


$(PNGCRUSH)$(E): $(OBJS)
	$(LD) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)

$(PNGCRUSH)$(O): $(PNGCRUSH).c png.h pngconf.h zlib.h pngcrush.h

# maintenance ---------------------------------------------------------------

clean:
	$(RM) $(EXES) $(OBJS)