| 1 | # makefile for libpng.a and libpng16.so on Linux ELF with gcc
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| 2 | # Copyright (C) 1998,1999,2002,2006,2008,2010-2014,2017 Greg Roelofs and
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| 3 | # Glenn Randers-Pehrson
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| 4 | # Copyright (C) 1996,1997 Andreas Dilger
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| 5 | #
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| 6 | # This code is released under the libpng license.
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| 7 | # For conditions of distribution and use, see the disclaimer
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| 8 | # and license in png.h
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| 9 |
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| 10 | # Library name:
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| 11 | LIBNAME = libpng16
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| 12 | PNGMAJ = 16
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| 13 | RELEASE = 36
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| 14 |
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| 15 | # Shared library names:
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| 16 | LIBSO=$(LIBNAME).so
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| 17 | LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
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| 18 | LIBSOREL=$(LIBSOMAJ).$(RELEASE)
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| 19 | OLDSO=libpng.so
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| 20 |
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| 21 | # Utilities:
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| 22 | AR_RC=ar rc
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| 23 | CC=gcc
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| 24 | MKDIR_P=mkdir -p
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| 25 | LN_SF=ln -sf
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| 26 | RANLIB=ranlib
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| 27 | CP=cp
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| 28 | RM_F=/bin/rm -f
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| 29 |
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| 30 | # where "make install" puts libpng16.a, libpng16.so*,
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| 31 | # libpng16/png.h, libpng16/pngconf.h, and libpng16/pnglibconf.h
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| 32 | # Prefix must be a full pathname.
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| 33 | prefix=/usr/local
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| 34 | exec_prefix=$(prefix)
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| 35 |
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| 36 | # Where the zlib library and include files are located.
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| 37 | #ZLIBLIB=/usr/local/lib
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| 38 | #ZLIBINC=/usr/local/include
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| 39 | ZLIBLIB=../zlib
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| 40 | ZLIBINC=../zlib
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| 41 |
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| 42 | ALIGN=
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| 43 | # for i386:
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| 44 | #ALIGN=-malign-loops=2 -malign-functions=2
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| 45 |
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| 46 | #WARNMORE=-Wwrite-strings -Wpointer-arith \
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| 47 | # -Wmissing-declarations -Wtraditional -Wcast-align \
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| 48 | # -Wstrict-prototypes -Wmissing-prototypes
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| 49 |
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| 50 | # for pgcc version 2.95.1, -O3 is buggy; don't use it.
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| 51 |
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| 52 | CPPFLAGS=-I$(ZLIBINC)
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| 53 | CPPFLAGS += -DPNG_ARM_NEON
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| 54 | CPPFLAGS += -DPNG_MIPS_MSA
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| 55 | CPPFLAGS += -DPNG_INTEL_SSE
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| 56 | CPPFLAGS += -DPNG_POWERPC_VSX
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| 57 | CPPFLAGS+=-ansi -pedantic -Wextra -Wall -Wshadow -Wno-sign-conversion
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| 58 | CPPFLAGS+=-W -Wall -Wconversion $(ALIGN)
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| 59 | # CPPFLAGS+=$(WARNMORE)
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| 60 | CFLAGS= -O3 -funroll-loops
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| 61 |
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| 62 | LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm
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| 63 | LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
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| 64 |
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| 65 | INCPATH=$(prefix)/include
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| 66 | LIBPATH=$(exec_prefix)/lib
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| 67 | MANPATH=$(prefix)/man
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| 68 | BINPATH=$(exec_prefix)/bin
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| 69 |
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| 70 | # override DESTDIR= on the make install command line to easily support
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| 71 | # installing into a temporary location. Example:
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| 72 | #
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| 73 | # make install DESTDIR=/tmp/build/libpng
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| 74 | #
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| 75 | # If you're going to install into a temporary location
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| 76 | # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
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| 77 | # you execute make install.
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| 78 | DESTDIR=
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| 79 |
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| 80 | DB=$(DESTDIR)$(BINPATH)
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| 81 | DI=$(DESTDIR)$(INCPATH)
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| 82 | DL=$(DESTDIR)$(LIBPATH)
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| 83 | DM=$(DESTDIR)$(MANPATH)
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| 84 |
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| 85 | # Pre-built configuration
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| 86 | # See scripts/pnglibconf.mak for more options
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| 87 | PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
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| 88 |
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| 89 | OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
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| 90 | pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
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| 91 | pngwtran.o pngmem.o pngerror.o pngpread.o \
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| 92 | arm/arm_init.o arm/filter_neon_intrinsics.o \
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| 93 | mips/mips_init.o mips/filter_msa_intrinsics.o \
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| 94 | intel/intel_init.o intel/filter_sse2_intrinsics.o\
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| 95 | powerpc/powerpc_init.o powerpc/filter_vsx_intrinsics.o
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| 96 |
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| 97 | OBJSDLL = $(OBJS:.o=.pic.o)
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| 98 |
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| 99 | .SUFFIXES: .c .o .pic.o
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| 100 |
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| 101 | .c.o:
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| 102 | $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
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| 103 |
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| 104 | .c.pic.o:
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| 105 | $(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $*.c
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| 106 |
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| 107 | all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
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| 108 |
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| 109 | pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
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| 110 | $(CP) $(PNGLIBCONF_H_PREBUILT) $@
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| 111 |
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| 112 | libpng.a: $(OBJS)
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| 113 | $(AR_RC) $@ $(OBJS)
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| 114 | $(RANLIB) $@
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| 115 |
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| 116 | libpng.pc:
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| 117 | cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
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| 118 | -e s!@exec_prefix@!$(exec_prefix)! \
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| 119 | -e s!@libdir@!$(LIBPATH)! \
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| 120 | -e s!@includedir@!$(INCPATH)! \
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| 121 | -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc
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| 122 |
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| 123 | libpng-config:
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| 124 | ( cat scripts/libpng-config-head.in; \
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| 125 | echo prefix=\"$(prefix)\"; \
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| 126 | echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
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| 127 | echo L_opts=\"-L$(LIBPATH)\"; \
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| 128 | echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
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| 129 | echo libs=\"-lpng16 -lz -lm\"; \
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| 130 | cat scripts/libpng-config-body.in ) > libpng-config
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| 131 | chmod +x libpng-config
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| 132 |
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| 133 | $(LIBSO): $(LIBSOMAJ)
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| 134 | $(LN_SF) $(LIBSOMAJ) $(LIBSO)
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| 135 |
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| 136 | $(LIBSOMAJ): $(OBJSDLL)
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| 137 | $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL)
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| 138 |
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| 139 | pngtest: pngtest.o $(LIBSO)
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| 140 | $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
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| 141 |
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| 142 | pngtest-static: pngtest.o libpng.a
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| 143 | $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
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| 144 |
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| 145 | test: pngtest pngtest-static
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| 146 | @echo ""
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| 147 | @echo " Running pngtest dynamically linked with $(LIBSO):"
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| 148 | @echo ""
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| 149 | ./pngtest
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| 150 | @echo ""
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| 151 | @echo " Running pngtest statically linked with libpng.a:"
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| 152 | @echo ""
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| 153 | ./pngtest-static
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| 154 |
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| 155 | install-headers: png.h pngconf.h pnglibconf.h
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| 156 | -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
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| 157 | -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
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| 158 | cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
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| 159 | chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
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| 160 | -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
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| 161 | -@$(RM_F) $(DI)/libpng
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| 162 | (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
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| 163 |
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| 164 | install-static: install-headers libpng.a
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| 165 | -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
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| 166 | cp libpng.a $(DL)/$(LIBNAME).a
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| 167 | chmod 644 $(DL)/$(LIBNAME).a
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| 168 | -@$(RM_F) $(DL)/libpng.a
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| 169 | (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
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| 170 |
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| 171 | install-shared: install-headers $(LIBSOMAJ) libpng.pc
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| 172 | -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
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| 173 | -@$(RM_F) $(DL)/$(LIBSO)
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| 174 | -@$(RM_F) $(DL)/$(LIBSOREL)
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| 175 | -@$(RM_F) $(DL)/$(OLDSO)
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| 176 | cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
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| 177 | chmod 755 $(DL)/$(LIBSOREL)
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| 178 | (cd $(DL); \
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| 179 | $(LN_SF) $(LIBSOREL) $(LIBSO); \
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| 180 | $(LN_SF) $(LIBSO) $(OLDSO))
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| 181 |
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| 182 | -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
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| 183 | -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
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| 184 | -@$(RM_F) $(DL)/pkgconfig/libpng.pc
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| 185 | cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
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| 186 | chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
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| 187 | (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
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| 188 |
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| 189 | install-man: libpng.3 libpngpf.3 png.5
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| 190 | -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
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| 191 | -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
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| 192 | -@$(RM_F) $(DM)/man3/libpng.3
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| 193 | -@$(RM_F) $(DM)/man3/libpngpf.3
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| 194 | cp libpng.3 $(DM)/man3
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| 195 | cp libpngpf.3 $(DM)/man3
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| 196 | -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
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| 197 | -@$(RM_F) $(DM)/man5/png.5
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| 198 | cp png.5 $(DM)/man5
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| 199 |
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| 200 | install-config: libpng-config
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| 201 | -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
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| 202 | -@$(RM_F) $(DB)/libpng-config
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| 203 | -@$(RM_F) $(DB)/$(LIBNAME)-config
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| 204 | cp libpng-config $(DB)/$(LIBNAME)-config
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| 205 | chmod 755 $(DB)/$(LIBNAME)-config
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| 206 | (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
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| 207 |
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| 208 | install: install-static install-shared install-man install-config
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| 209 |
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| 210 | # If you installed in $(DESTDIR), test-installed won't work until you
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| 211 | # move the library to its final location. Use test-dd to test it
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| 212 | # before then.
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| 213 |
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| 214 | test-dd:
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| 215 | echo
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| 216 | echo Testing installed dynamic shared library in $(DL).
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| 217 | $(CC) -I$(DI) $(CPPFLAGS) \
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| 218 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
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| 219 | -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
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| 220 | -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
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| 221 | ./pngtestd pngtest.png
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| 222 |
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| 223 | test-installed:
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| 224 | $(CC) $(CPPFLAGS) \
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| 225 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
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| 226 | -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
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| 227 | -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
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| 228 | ./pngtesti pngtest.png
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| 229 |
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| 230 | clean:
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| 231 | $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
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| 232 | $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
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| 233 | libpng.pc pnglibconf.h
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| 234 |
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| 235 | DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO
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| 236 | writelock:
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| 237 | chmod a-w *.[ch35] $(DOCS) scripts/*
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| 238 |
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| 239 | # DO NOT DELETE THIS LINE -- make depend depends on it.
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| 240 |
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| 241 | png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 242 | pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 243 | pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 244 | pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 245 | pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 246 | pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 247 | pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 248 | pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 249 | pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 250 | pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 251 | pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 252 | pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 253 | pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 254 | pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 255 | pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 256 | arm/arm_init.o arm/arm_init.o: pngpriv.h
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| 257 | arm/filter_neon_intrinsics.o arm/filter_neon_intrinsics.pic.o: pngpriv.h
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| 258 | mips/mips_init.o mips/mips_init.pic.o: pngpriv.h
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| 259 | mips/filter_msa_intrinsics.o mips/filter_msa_intrinsics.pic.: pngpriv.h
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| 260 | intel/intel_init.o intel/intel_init.pic.: pngpriv.h
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| 261 | intel/filter_sse2_intrinsics.o intel/filter_sse2_intrinsics.pic.: pngpriv.h
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| 262 | powerpc/powerpc_init.o powerpc/powerpc_init.pic.: pngpriv.h
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| 263 | powerpc/filter_vsx_intrinsics.o powerpc/filter_vsx_intrinsics.pic.: pngpriv.h
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| 264 |
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| 265 | pngtest.o: png.h pngconf.h pnglibconf.h
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