LIBNAME=libpng12
PNGMAJ = 0
-PNGMIN = 1.2.4
+PNGMIN = 1.2.6
PNGVER = $(PNGMAJ).$(PNGMIN)
CC=gcc
WARNMORE= # -g -DPNG_DEBUG=5
CFLAGS=$(ABI) -I$(ZLIBINC) -O2 $(WARNMORE) -fPIC -mabi=n32
LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
-LDSHARED=cc $(ABI) -shared -soname $(LIBNAME).so.$(PNGMAJ)
+LDSHARED=cc $(ABI) -shared -soname $(LIBNAME).so.$(PNGMAJ) \
+ -set_version sgi$(PNGMAJ).0
+LDLEGACY=cc $(ABI) -shared -soname libpng.so.3 \
+ -set_version sgi$3.0
# See "man dso" for info about shared objects
RANLIB=echo
shared: $(LIBNAME).so.$(PNGVER)
libpng.pc:
- cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > \
- libpng.pc
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
echo prefix=\"$(prefix)\"; \
- echo cppflags=\"-I$(INCPATH)/$(LIBNAME) -DPNG_USE_PNGGCCRD \
- -DPNG_NO_ASSEMBLER_CODE\"; \
- echo cflags=\"$(ABI)\"; \
- echo ldflags=\"-L$(LIBPATH)\"; \
- echo rpath=\"$(LIBPATH)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo ccopts=\"$(ABI)\"; \
+ echo ldopts=\"$(ABI)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo libdir=\"$(LIBPATH)\"; \
echo libs=\"-lpng12 -lz -lm\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
$(LDSHARED) -o $@ $(OBJS)
rm -f $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)
+libpng.so.3.$(PNGMIN): $(OBJS)
+ $(LDLEGACY) -o $@ $(OBJS)
+
pngtest: pngtest.o libpng.a
$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-@/bin/rm -f $(DL)/libpng.a
(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
-install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
- -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)
-@/bin/rm -f $(DL)/libpng.so
-@/bin/rm -f $(DL)/libpng.so.3
- -@/bin/rm -f $(DL)/libpng.so.3.*
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
(cd $(DL); \
- ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
- ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3; \
- ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
+ ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -sf libpng.so.3 libpng.so; \
ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
# move the library to its final location.
test-installed:
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/libpng12-config --cppflags --cflags` pngtest.c \
- -L$(ZLIBLIB) -rpath $(ZLIBLIB):`$(BINPATH)/libpng12-config --rpath` \
- -o pngtesti `$(BINPATH)/libpng12-config --ldflags --libs`
echo
echo Testing installed dynamic shared library.
+ $(CC) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) -rpath $(ZLIBLIB):`$(BINPATH)/libpng12-config --libdir` \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
./pngtesti pngtest.png
clean:
- rm -f *.o libpng.a pngtest pngout.png libpng.pc libpng-config \
- $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* so_locations
+ rm -f *.o libpng.a pngtest pngtesti pngout.png libpng.pc libpng-config \
+ $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+ libpng.so.3.$(PNGMIN) \
+ so_locations
DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock: