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133 lines
3.9 KiB
Text
133 lines
3.9 KiB
Text
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# Sample makefile for rpng-x / rpng2-x / wpng using gcc and make.
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# Greg Roelofs
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# Last modified: 2 June 2007
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#
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# The programs built by this makefile are described in the book,
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# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
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# Associates, 1999). Go buy a copy, eh? Well, OK, it's not
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# generally for sale anymore, but it's the thought that counts,
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# right? (Hint: http://www.libpng.org/pub/png/book/ )
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#
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# Invoke this makefile from a shell prompt in the usual way; for example:
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#
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# make -f Makefile.unx
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#
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# This makefile assumes libpng and zlib have already been built or downloaded
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# and are installed in /usr/local/{include,lib} or as otherwise indicated by
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# the PNG* and Z* macros below. Edit as appropriate--choose only ONE each of
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# the PNGINC, PNGLIBd, PNGLIBs, ZINC, ZLIBd and ZLIBs lines.
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#
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# This makefile builds both dynamically and statically linked executables
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# (against libpng and zlib, that is), but that can be changed by modifying
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# the "EXES =" line. (You need only one set, but for testing it can be handy
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# to have both.)
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# macros --------------------------------------------------------------------
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#PNGDIR = /usr/local/lib
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#PNGINC = -I/usr/local/include/libpng12
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#PNGLIBd = -L$(PNGDIR) -lpng12 # dynamically linked, installed libpng
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#PNGLIBs = $(PNGDIR)/libpng12.a # statically linked, installed libpng
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# or:
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PNGDIR = ../..# this one is for libpng-x.y.z/contrib/gregbook builds
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#PNGDIR = ../libpng
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PNGINC = -I$(PNGDIR)
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PNGLIBd = -Wl,-rpath,$(PNGDIR) -L$(PNGDIR) -lpng12 # dynamically linked
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PNGLIBs = $(PNGDIR)/libpng.a # statically linked, local libpng
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ZDIR = /usr/local/lib
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#ZDIR = /usr/lib64
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ZINC = -I/usr/local/include
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ZLIBd = -L$(ZDIR) -lz # dynamically linked against zlib
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ZLIBs = $(ZDIR)/libz.a # statically linked against zlib
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# or:
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#ZDIR = ../zlib
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#ZINC = -I$(ZDIR)
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#ZLIBd = -Wl,-rpath,$(ZDIR) -L$(ZDIR) -lz # -rpath allows in-place testing
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#ZLIBs = $(ZDIR)/libz.a
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#XINC = -I/usr/include # old-style, stock X distributions
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#XLIB = -L/usr/lib/X11 -lX11 # (including SGI IRIX)
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#XINC = -I/usr/openwin/include # Sun workstations (OpenWindows)
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#XLIB = -L/usr/openwin/lib -lX11
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XINC = -I/usr/X11R6/include # new X distributions (X.org, etc.)
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XLIB = -L/usr/X11R6/lib -lX11
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#XLIB = -L/usr/X11R6/lib64 -lX11 # e.g., Red Hat on AMD64
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INCS = $(PNGINC) $(ZINC) $(XINC)
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RLIBSd = $(PNGLIBd) $(ZLIBd) $(XLIB) -lm
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RLIBSs = $(PNGLIBs) $(ZLIBs) $(XLIB) -lm
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WLIBSd = $(PNGLIBd) $(ZLIBd) -lm
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WLIBSs = $(PNGLIBs) $(ZLIBs)
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CC = gcc
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LD = gcc
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RM = rm -f
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CFLAGS = -O -Wall $(INCS) -DFEATURE_LOOP
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# [note that -Wall is a gcc-specific compilation flag ("most warnings on")]
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# [-ansi, -pedantic and -W can also be used]
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LDFLAGS =
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O = .o
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E =
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RPNG = rpng-x
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RPNG2 = rpng2-x
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WPNG = wpng
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RPNGs = $(RPNG)-static
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RPNG2s = $(RPNG2)-static
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WPNGs = $(WPNG)-static
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ROBJS = $(RPNG)$(O) readpng$(O)
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ROBJS2 = $(RPNG2)$(O) readpng2$(O)
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WOBJS = $(WPNG)$(O) writepng$(O)
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STATIC_EXES = $(RPNGs)$(E) $(RPNG2s)$(E) $(WPNGs)$(E)
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DYNAMIC_EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
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EXES = $(STATIC_EXES) $(DYNAMIC_EXES)
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# implicit make rules -------------------------------------------------------
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.c$(O):
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$(CC) -c $(CFLAGS) $<
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# dependencies --------------------------------------------------------------
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all: $(EXES)
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$(RPNGs)$(E): $(ROBJS)
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$(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBSs)
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$(RPNG)$(E): $(ROBJS)
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$(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBSd)
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$(RPNG2s)$(E): $(ROBJS2)
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$(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBSs)
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$(RPNG2)$(E): $(ROBJS2)
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$(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBSd)
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$(WPNGs)$(E): $(WOBJS)
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$(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBSs)
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$(WPNG)$(E): $(WOBJS)
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$(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBSd)
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$(RPNG)$(O): $(RPNG).c readpng.h
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$(RPNG2)$(O): $(RPNG2).c readpng2.h
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$(WPNG)$(O): $(WPNG).c writepng.h
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readpng$(O): readpng.c readpng.h
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readpng2$(O): readpng2.c readpng2.h
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writepng$(O): writepng.c writepng.h
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# maintenance ---------------------------------------------------------------
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clean:
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$(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS)
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