# makefile for libpng on DEC Alpha Unix
-# Copyright (C) 2000-2002 Glenn Randers-Pehrson
+# Copyright (C) 2000-2002, 2006 Glenn Randers-Pehrson
# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
# For conditions of distribution and use, see copyright notice in png.h
+# Library name:
+PNGMAJ = 0
+PNGMIN = 1.2.20
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng12
+
+# Shared library names:
+LIBSO=$(LIBNAME).so
+LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
+OLDSO=libpng.so
+OLDSOMAJ=libpng.so.3
+OLDSOVER=libpng.so.3.$(PNGMIN)
+
+# Utilities:
+AR_RC=ar rc
+CC=cc
+MKDIR_P=mkdir
+LN_SF=ln -f -s
+RANLIB=ranlib
+RM_F=/bin/rm -f
+
# where make install puts libpng.a and png.h
prefix=/usr/local
+exec_prefix=$(prefix)
INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
+LIBPATH=$(exec_prefix)/lib
MANPATH=$(prefix)/man
-BINPATH=$(prefix)/bin
+BINPATH=$(exec_prefix)/bin
# override DESTDIR= on the make install command line to easily support
# installing into a temporary location. Example:
ZLIBLIB=../zlib
ZLIBINC=../zlib
-PNGMAJ = 0
-PNGMIN = 1.2.7
-PNGVER = $(PNGMAJ).$(PNGMIN)
-LIBNAME = libpng12
-
-CC=cc
CFLAGS=-std -w1 -I$(ZLIBINC) -O # -g -DPNG_DEBUG=1
LDFLAGS=-L$(ZLIBLIB) -rpath $(ZLIBLIB) libpng.a -lz -lm
-#RANLIB=echo
-RANLIB=ranlib
-
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
-all: $(LIBNAME).so libpng.a pngtest libpng.pc libpng-config
+all: $(LIBSO) libpng.a pngtest libpng.pc libpng-config
libpng.a: $(OBJS)
- ar rc $@ $(OBJS)
+ $(AR_RC) $@ $(OBJS)
$(RANLIB) $@
libpng.pc:
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
-$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
- ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+$(LIBSO): $(LIBSOMAJ)
+ $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
- ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+$(LIBSOMAJ): $(LIBSOVER)
+ $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-$(LIBNAME).so.$(PNGVER): $(OBJS)
+$(LIBSOVER): $(OBJS)
$(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \
- -soname $(LIBNAME).so.$(PNGMAJ)
+ -soname $(LIBSOMAJ)
-libpng.so.3.$(PNGMIN): $(OBJS)
+$(OLDSOVER): $(OBJS)
$(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \
- -soname libpng.so.3
+ -soname $(OLDSOMAJ)
pngtest: pngtest.o libpng.a
$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
./pngtest
install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ -@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
-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
-@/bin/rm -f $(DI)/libpng
- (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+ (cd $(DI); $(LN_SF)(LIBNAME) libpng; $(LN_SF)(LIBNAME)/* .)
install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
cp libpng.a $(DL)/$(LIBNAME).a
chmod 644 $(DL)/$(LIBNAME).a
-@/bin/rm -f $(DL)/libpng.a
- (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
-
-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.$(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 $(DL)/libpng.so.3.$(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).a libpng.a)
+
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+ $(OLDSOVER)
+ -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+ -@/bin/rm -f $(DL)/$(LIBSOMAJ)
+ -@/bin/rm -f $(DL)/$(OLDSO)
+ -@/bin/rm -f $(DL)/$(OLDSOMAJ)
+ -@/bin/rm -f $(DL)/$(OLDSOVER)*
+ cp $(LIBSOVER) $(DL)
+ cp $(OLDSOVER) $(DL)
+ chmod 755 $(DL)/$(LIBSOVER)
+ chmod 755 $(DL)/$(OLDSOVER)
(cd $(DL); \
- ln -f -s libpng.so.3.$(PNGMIN) libpng.so.3; \
- ln -f -s 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
+ $(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
-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
-@/bin/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)
+ (cd $(DL)/pkgconfig; $(LN_SF)(LIBNAME).pc libpng.pc)
install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
-@/bin/rm -f $(DM)/man3/libpng.3
-@/bin/rm -f $(DM)/man3/libpngpf.3
cp libpng.3 $(DM)/man3
cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
-@/bin/rm -f $(DM)/man5/png.5
cp png.5 $(DM)/man5
install-config: libpng-config
- -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
-@/bin/rm -f $(DB)/libpng-config
-@/bin/rm -f $(DB)/$(LIBNAME)-config
cp libpng-config $(DB)/$(LIBNAME)-config
chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+ (cd $(DB); $(LN_SF)(LIBNAME)-config libpng-config)
install: install-static install-shared install-man install-config
echo
echo Testing installed dynamic shared library in $(DL).
$(CC) -w1 -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
-L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL) \
- -o pngtestd `$(BINPATH)/libpng12-config --ldflags`
+ -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtestd pngtest.png
test-installed:
echo
echo Testing installed dynamic shared library.
$(CC) -w1 -I$(ZLIBINC) \
- `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
-L$(ZLIBLIB) -R$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtesti pngtest.png
clean:
/bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
- libpng.so.3.$(PNGMIN) \
+ libpng-config $(LIBSO) $(LIBSOMAJ)* \
+ $(OLDSOVER) \
libpng.pc
# DO NOT DELETE THIS LINE -- make depend depends on it.