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libpng/scripts/makefile.elf

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# makefile for libpng.a and libpng12.so on Linux ELF with gcc
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# Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs
# and Glenn Randers-Pehrson
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# Copyright (C) 1996, 1997 Andreas Dilger
#
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h
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# Modified for Debian by Junichi Uekawa and Josselin Mouette
# Major modifications are:
# * link libpng explicitly with libz and libm
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# * $(OLDSO).3 is a symlink rather than a different library
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# * versioned symbols
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# Library name:
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LIBNAME = libpng12
PNGMAJ = 0
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PNGMIN = 1.2.57
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PNGVER = $(PNGMAJ).$(PNGMIN)
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# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOVER=$(LIBNAME).so.$(PNGVER)
OLDSO=libpng.so
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OLDSOMAJ=libpng.so.3
OLDSOVER=libpng.so.3.$(PNGMIN)
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# Utilities:
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AR_RC=ar rc
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CC=gcc
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MKDIR_P=mkdir -p
LN_SF=ln -sf
RANLIB=ranlib
RM_F=/bin/rm -f
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# where "make install" puts libpng12.a, libpng12.so*,
# libpng12/png.h and libpng12/pngconf.h
# Prefix must be a full pathname.
prefix=/usr/local
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exec_prefix=$(prefix)
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# Where the zlib library and include files are located.
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ZLIBLIB=/usr/local/lib
ZLIBINC=/usr/local/include
# ZLIBLIB=../zlib
# ZLIBINC=../zlib
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ALIGN=
# for i386:
#ALIGN=-malign-loops=2 -malign-functions=2
WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
-Wmissing-declarations -Wtraditional -Wcast-align \
-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
# for pgcc version 2.95.1, -O3 is buggy; don't use it.
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CFLAGS=-W -Wall -D_REENTRANT -O2 \
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$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
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LDFLAGS=-L. -lpng12
LDFLAGS_A=libpng.a -lz -lm
LIBADDFLAGS=-lz -lm
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INCPATH=$(prefix)/include
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LIBPATH=$(exec_prefix)/lib
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MANPATH=$(prefix)/man
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BINPATH=$(exec_prefix)/bin
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# override DESTDIR= on the make install command line to easily support
# installing into a temporary location. Example:
#
# make install DESTDIR=/tmp/build/libpng
#
# If you're going to install into a temporary location
# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
# you execute make install.
DESTDIR=
DB=$(DESTDIR)$(BINPATH)
DI=$(DESTDIR)$(INCPATH)
DL=$(DESTDIR)$(LIBPATH)
DM=$(DESTDIR)$(MANPATH)
OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
pngwtran.o pngmem.o pngerror.o pngpread.o
OBJSDLL = $(OBJS:.o=.pic.o)
.SUFFIXES: .c .o .pic.o
.c.pic.o:
$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
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all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
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libpng.a: $(OBJS)
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$(AR_RC) $@ $(OBJS)
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$(RANLIB) $@
libpng.pc:
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cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
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-e s!@includedir@!$(INCPATH)! \
-e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
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libpng.syms: png.h pngconf.h
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$(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\
awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG12_%s {global:\n",PNGMAJ)}\
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{ for (i=1;i+2<=NF;++i)\
if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\
print $$(i+1) ";";\
for (i=1;i+1<=NF;++i)\
if ($$(i)=="PNG_DATA_EXPORT")\
print $$(i+1) ";";}\
END{print "local: *; };"}' >$@.new
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$(RM_F) $@
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mv $@.new $@
libpng-config:
( cat scripts/libpng-config-head.in; \
echo prefix=\"$(prefix)\"; \
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
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echo L_opts=\"\"; \
echo R_opts=\"\"; \
echo libs=\"-lpng12\"; \
echo all_libs=\"-lpng12 $(LIBADDFLAGS)\"; \
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cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
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$(LIBSO): $(LIBSOMAJ)
$(LN_SF) $(LIBSOMAJ) $(LIBSO)
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$(LIBSOMAJ): $(LIBSOVER)
$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
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$(LIBSOVER): $(OBJSDLL) libpng.syms
$(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
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-Wl,-version-script,libpng.syms \
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-o $(LIBSOVER) \
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$(OBJSDLL)
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$(OLDSOVER): $(OBJSDLL) libpng.syms
$(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
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-Wl,-version-script,libpng.syms \
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-o $(OLDSOVER) \
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$(OBJSDLL)
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pngtest: pngtest.o $(LIBSO)
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$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
pngtest-static: pngtest.o libpng.a
$(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
test: pngtest pngtest-static
@echo ""
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@echo " Running pngtest dynamically linked with $(LIBSO):"
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@echo ""
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LD_LIBRARY_PATH=".:${LD_LIBRARY_PATH}" ./pngtest
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@echo ""
@echo " Running pngtest statically linked with libpng.a:"
@echo ""
./pngtest-static
install-headers: png.h pngconf.h
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-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
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cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
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-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
-@$(RM_F) $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
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install-static: install-headers libpng.a
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-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
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cp libpng.a $(DL)/$(LIBNAME).a
chmod 644 $(DL)/$(LIBNAME).a
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-@$(RM_F) $(DL)/libpng.a
(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
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install-shared: install-headers $(LIBSOVER) libpng.pc \
$(OLDSOVER)
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-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
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-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(OLDSO)
-@$(RM_F) $(DL)/$(OLDSOMAJ)
-@$(RM_F) $(DL)/$(OLDSOVER)*
cp $(LIBSOVER) $(DL)
cp $(OLDSOVER) $(DL)
chmod 755 $(DL)/$(LIBSOVER)
chmod 755 $(DL)/$(OLDSOVER)
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(cd $(DL); \
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$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO))
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-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc
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cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
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(cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
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install-man: libpng.3 libpngpf.3 png.5
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-@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
-@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
-@$(RM_F) $(DM)/man3/libpng.3
-@$(RM_F) $(DM)/man3/libpngpf.3
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cp libpng.3 $(DM)/man3
cp libpngpf.3 $(DM)/man3
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-@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
-@$(RM_F) $(DM)/man5/png.5
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cp png.5 $(DM)/man5
install-config: libpng-config
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-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
-@$(RM_F) $(DB)/libpng-config
-@$(RM_F) $(DB)/$(LIBNAME)-config
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cp libpng-config $(DB)/$(LIBNAME)-config
chmod 755 $(DB)/$(LIBNAME)-config
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(cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
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install: install-static install-shared install-man install-config
# If you installed in $(DESTDIR), test-installed won't work until you
# move the library to its final location. Use test-dd to test it
# before then.
test-dd:
echo
echo Testing installed dynamic shared library in $(DL).
$(CC) -I$(DI) -I$(ZLIBINC) \
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`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
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-L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
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-o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
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./pngtestd pngtest.png
test-installed:
$(CC) -I$(ZLIBINC) \
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`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
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-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
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-o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
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./pngtesti pngtest.png
clean:
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$(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \
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$(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
$(OLDSOVER) \
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libpng.pc
DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock:
chmod a-w *.[ch35] $(DOCS) scripts/*
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o png.pic.o: png.h pngconf.h
pngerror.o pngerror.pic.o: png.h pngconf.h
pngrio.o pngrio.pic.o: png.h pngconf.h
pngwio.o pngwio.pic.o: png.h pngconf.h
pngmem.o pngmem.pic.o: png.h pngconf.h
pngset.o pngset.pic.o: png.h pngconf.h
pngget.o pngget.pic.o: png.h pngconf.h
pngread.o pngread.pic.o: png.h pngconf.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h
pngpread.o pngpread.pic.o: png.h pngconf.h
pngtest.o: png.h pngconf.h