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# makefile for libpng using gcc (generic, static library)
# Copyright (C) 2000, 2022 Cosmin Truta
# Copyright (C) 2002, 2006-2009, 2014 Glenn Randers-Pehrson
# Copyright (C) 2000 Marc O. Gloor (AIX support added, from makefile.gcc)
# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
#
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h
# Location of the zlib library and include files
ZLIBINC = ../zlib
ZLIBLIB = ../zlib
# Compiler, linker, lib and other tools
CC = gcc
LD = $(CC)
AR_RC = ar rcs
RANLIB = ranlib
MKDIR_P = mkdir -p
RM_F = rm -f
LN_SF = ln -f -s
LIBNAME = libpng16
PNGMAJ = 16
prefix=/usr/local
INCPATH=$(prefix)/include
LIBPATH=$(prefix)/lib
# 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=
DI=$(DESTDIR)$(INCPATH)
DL=$(DESTDIR)$(LIBPATH)
WARNMORE =
CPPFLAGS = -I$(ZLIBINC) # -DPNG_DEBUG=5
CFLAGS = -O2 -Wall -Wextra -Wundef # $(WARNMORE) -g
LDFLAGS = -L. -L$(ZLIBLIB) -lpng16 -lz -lm # -g
# File lists
OBJS = png.o pngerror.o pngget.o pngmem.o pngpread.o \
pngread.o pngrio.o pngrtran.o pngrutil.o pngset.o \
pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o
# Targets
.c.o:
$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
all: $(LIBNAME).a pngtest$(E)
include scripts/pnglibconf.mak
REMOVE = $(RM_F)
DFNFLAGS = $(DEFS) $(CPPFLAGS)
$(LIBNAME).a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
test: pngtest$(E)
./pngtest$(E)
pngtest$(E): pngtest.o $(LIBNAME).a
$(LD) -o $@ pngtest.o $(LDFLAGS)
install: $(LIBNAME).a
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DI)/$(LIBNAME)/png.h
-@$(RM_F) $(DI)/$(LIBNAME)/pngconf.h
-@$(RM_F) $(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) $(DI)/png.h
-@$(RM_F) $(DI)/pngconf.h
-@$(RM_F) $(DI)/pnglibconf.h
cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h \
$(DI)/$(LIBNAME)/pngconf.h \
$(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) -r $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-@$(RM_F) $(DL)/$(LIBNAME).a
-@$(RM_F) $(DL)/libpng.a
cp $(LIBNAME).a $(DL)/$(LIBNAME).a
chmod 644 $(DL)/$(LIBNAME).a
(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
(cd $(DI); $(LN_SF) libpng/* .;)
clean:
$(RM_F) *.o $(LIBNAME).a pngtest pngout.png pnglibconf.h
png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h pnglibconf.h
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