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libpng/scripts/makefile.linux
Glenn Randers-Pehrson 58c4f6b355 Added -DPNG_CONFIGURE_LIBPNG to the makefile CFLAGS 
to prevent warnings about direct access to png structs by libpng functions
while building libpng.  They need to be tested, especially
those using compilers other than gcc.
2009-11-07 10:50:29 -06:00

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# makefile for libpng.a and libpng14.so on Linux ELF with gcc
# Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs and
# Glenn Randers-Pehrson
# 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
# Library name:
LIBNAME = libpng14
PNGMAJ = 14
PNGMIN = 1.4.0beta93
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOVER=$(LIBNAME).so.$(PNGVER)
OLDSO=libpng.so
OLDSOMAJ=libpng.so.14
OLDSOVER=libpng.so.14.$(PNGMIN)
# Utilities:
AR_RC=ar rc
CC=gcc
MKDIR_P=mkdir -p
LN_SF=ln -sf
RANLIB=ranlib
RM_F=/bin/rm -f
# where "make install" puts libpng14.a, libpng14.so*,
# libpng14/png.h and libpng14/pngconf.h
# Prefix must be a full pathname.
prefix=/usr/local
exec_prefix=$(prefix)
# Where the zlib library and include files are located.
#ZLIBLIB=/usr/local/lib
#ZLIBINC=/usr/local/include
ZLIBLIB=../zlib
ZLIBINC=../zlib
ALIGN=
# for i386:
#ALIGN=-malign-loops=2 -malign-functions=2
WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
-Wmissing-declarations -Wtraditional -Wcast-align \
-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
# for pgcc version 2.95.1, -O3 is buggy; don't use it.
CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O3 -funroll-loops \
$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng14 -lz -lm
LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
INCPATH=$(prefix)/include
LIBPATH=$(exec_prefix)/lib
MANPATH=$(prefix)/man
BINPATH=$(exec_prefix)/bin
# 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
all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
libpng.a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
libpng.pc:
cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
-e s!@includedir@!$(INCPATH)! \
-e s!-lpng14!-lpng14\ -lz\ -lm! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
echo prefix=\"$(prefix)\"; \
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo L_opts=\"-L$(LIBPATH)\"; \
echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
echo libs=\"-lpng14 -lz -lm\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
$(LIBSO): $(LIBSOMAJ)
$(LN_SF) $(LIBSOMAJ) $(LIBSO)
$(LIBSOMAJ): $(LIBSOVER)
$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
$(LIBSOVER): $(OBJSDLL)
$(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
$(OLDSOVER): $(OBJSDLL)
$(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
-o $(OLDSOVER) \
$(OBJSDLL)
pngtest: pngtest.o $(LIBSO)
$(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 ""
@echo " Running pngtest dynamically linked with $(LIBSO):"
@echo ""
./pngtest
@echo ""
@echo " Running pngtest statically linked with libpng.a:"
@echo ""
./pngtest-static
install-headers: png.h pngconf.h
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
-@$(RM_F) $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
install-static: install-headers libpng.a
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
cp libpng.a $(DL)/$(LIBNAME).a
chmod 644 $(DL)/$(LIBNAME).a
-@$(RM_F) $(DL)/libpng.a
(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
install-shared: install-headers $(LIBSOVER) libpng.pc \
$(OLDSOVER)
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(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)
(cd $(DL); \
$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc
cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
(cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
install-man: libpng.3 libpngpf.3 png.5
-@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
cp libpng.3 $(DM)/man3
cp libpngpf.3 $(DM)/man3
-@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
-@$(RM_F) $(DM)/man5/png.5
cp png.5 $(DM)/man5
install-config: libpng-config
-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
-@$(RM_F) $(DB)/libpng-config
-@$(RM_F) $(DB)/$(LIBNAME)-config
cp libpng-config $(DB)/$(LIBNAME)-config
chmod 755 $(DB)/$(LIBNAME)-config
(cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
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$(ZLIBINC) \
`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
-L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
-o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtestd pngtest.png
test-installed:
$(CC) -I$(ZLIBINC) \
`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
-o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtesti pngtest.png
clean:
$(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
$(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
$(OLDSOVER) \
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 pngpriv.h
pngerror.o pngerror.pic.o: png.h pngconf.h pngpriv.h
pngrio.o pngrio.pic.o: png.h pngconf.h pngpriv.h
pngwio.o pngwio.pic.o: png.h pngconf.h pngpriv.h
pngmem.o pngmem.pic.o: png.h pngconf.h pngpriv.h
pngset.o pngset.pic.o: png.h pngconf.h pngpriv.h
pngget.o pngget.pic.o: png.h pngconf.h pngpriv.h
pngread.o pngread.pic.o: png.h pngconf.h pngpriv.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pngpriv.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pngpriv.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pngpriv.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pngpriv.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pngpriv.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pngpriv.h
pngpread.o pngpread.pic.o: png.h pngconf.h pngpriv.h
pngtest.o: png.h pngconf.h pngpriv.h
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