| 1 | # Sample makefile for rpng-x / rpng2-x / wpng using gcc and make.
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| 2 | # Greg Roelofs
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| 3 | # Last modified: 7 March 2002
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| 4 | #
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| 5 | # The programs built by this makefile are described in the book,
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| 6 | # "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
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| 7 | # Associates, 1999). Go buy a copy, eh? Buy some for friends
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| 8 | # and family, too. (Not that this is a blatant plug or anything.)
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| 9 | #
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| 10 | # Invoke this makefile from a shell prompt in the usual way; for example:
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| 11 | #
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| 12 | # make -f Makefile.unx
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| 13 | #
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| 14 | # This makefile assumes libpng and zlib have already been built or downloaded
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| 15 | # and are both installed in /usr/local/{include,lib} (as indicated by the
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| 16 | # PNG* and Z* macros below). Edit as appropriate--choose only ONE each of
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| 17 | # the PNGINC, PNGLIB, ZINC and ZLIB lines.
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| 18 | #
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| 19 | # This makefile builds statically linked executables (against libpng and zlib,
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| 20 | # that is), but that can be changed by uncommenting the appropriate PNGLIB and
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| 21 | # ZLIB lines.
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| 22 |
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| 23 |
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| 24 | # macros --------------------------------------------------------------------
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| 25 |
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| 26 | PNGINC = -I/usr/local/include/libpng12
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| 27 | #PNGLIB = -L/usr/local/lib -lpng12 # dynamically linked against libpng
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| 28 | PNGLIB = /usr/local/lib/libpng12.a # statically linked against libpng
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| 29 | # or:
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| 30 | #PNGINC = -I../libpng
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| 31 | #PNGLIB = -L../libpng -lpng
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| 32 | #PNGLIB = ../libpng/libpng.a
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| 33 |
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| 34 | ZINC = -I/usr/local/include
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| 35 | #ZLIB = -L/usr/local/lib -lz # dynamically linked against zlib
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| 36 | ZLIB = /usr/local/lib/libz.a # statically linked against zlib
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| 37 | #ZINC = -I../zlib
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| 38 | #ZLIB = -L../zlib -lz
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| 39 | #ZLIB = ../zlib/libz.a
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| 40 |
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| 41 | #XINC = -I/usr/include # old-style, stock X distributions
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| 42 | #XLIB = -L/usr/lib/X11 -lX11
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| 43 | #XINC = -I/usr/openwin/include # Sun workstations (OpenWindows)
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| 44 | #XLIB = -L/usr/openwin/lib -lX11
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| 45 | XINC = -I/usr/X11R6/include # new X distributions (XFree86, etc.)
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| 46 | XLIB = -L/usr/X11R6/lib -lX11
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| 47 |
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| 48 | INCS = $(PNGINC) $(ZINC) $(XINC)
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| 49 | RLIBS = $(PNGLIB) $(ZLIB) $(XLIB) -lm
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| 50 | WLIBS = $(PNGLIB) $(ZLIB)
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| 51 |
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| 52 | CC = gcc
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| 53 | LD = gcc
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| 54 | RM = rm -f
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| 55 | CFLAGS = -O -Wall $(INCS)
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| 56 | # [note that -Wall is a gcc-specific compilation flag ("most warnings on")]
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| 57 | # [-ansi, -pedantic and -W can also be used]
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| 58 | LDFLAGS =
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| 59 | O = .o
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| 60 | E =
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| 61 |
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| 62 | RPNG = rpng-x
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| 63 | RPNG2 = rpng2-x
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| 64 | WPNG = wpng
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| 65 |
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| 66 | ROBJS = $(RPNG)$(O) readpng$(O)
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| 67 | ROBJS2 = $(RPNG2)$(O) readpng2$(O)
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| 68 | WOBJS = $(WPNG)$(O) writepng$(O)
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| 69 |
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| 70 | EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
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| 71 |
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| 72 |
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| 73 | # implicit make rules -------------------------------------------------------
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| 74 |
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| 75 | .c$(O):
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| 76 | $(CC) -c $(CFLAGS) $<
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| 77 |
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| 78 |
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| 79 | # dependencies --------------------------------------------------------------
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| 80 |
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| 81 | all: $(EXES)
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| 82 |
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| 83 | $(RPNG)$(E): $(ROBJS)
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| 84 | $(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBS)
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| 85 |
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| 86 | $(RPNG2)$(E): $(ROBJS2)
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| 87 | $(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBS)
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| 88 |
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| 89 | $(WPNG)$(E): $(WOBJS)
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| 90 | $(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBS)
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| 91 |
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| 92 | $(RPNG)$(O): $(RPNG).c readpng.h
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| 93 | $(RPNG2)$(O): $(RPNG2).c readpng2.h
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| 94 | $(WPNG)$(O): $(WPNG).c writepng.h
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| 95 |
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| 96 | readpng$(O): readpng.c readpng.h
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| 97 | readpng2$(O): readpng2.c readpng2.h
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| 98 | writepng$(O): writepng.c writepng.h
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| 99 |
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| 100 |
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| 101 | # maintenance ---------------------------------------------------------------
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| 102 |
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| 103 | clean:
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| 104 | $(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS)
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