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# makefile for libpng on Darwin / macOS
# Copyright (C) 2020-2022 Cosmin Truta
# Copyright (C) 2002, 2004, 2006, 2008, 2010-2014 Glenn Randers-Pehrson
# Copyright (C) 2001 Christoph Pfisterer
# derived from makefile.linux:
# Copyright (C) 1998, 1999 Greg Roelofs
# 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
# where "make install" puts libpng.a, libpng16.dylib, png.h, pngconf.h,
# and pnglibconf.h
prefix=/usr/local
exec_prefix=$(prefix)
# Where the zlib library and include files are located
ZLIBLIB=/usr/lib
ZLIBINC=/usr/include
# Library name:
LIBNAME = libpng16
PNGMAJ = 16
RELEASE = 38
# Shared library names:
LIBSO=$(LIBNAME).dylib
LIBSOMAJ=$(LIBNAME).$(PNGMAJ).dylib
LIBSOREL=$(LIBNAME).$(PNGMAJ).$(RELEASE).dylib
OLDSO=libpng.dylib
# Utilities:
CC=cc
AR_RC=ar rc
RANLIB=ranlib
MKDIR_P=mkdir -p
LN_SF=ln -sf
CP=cp
RM_F=rm -f
NOHWOPT=-DPNG_ARM_NEON_OPT=0 -DPNG_MIPS_MSA_OPT=0 \
-DPNG_POWERPC_VSX_OPT=0 -DPNG_INTEL_SSE_OPT=0
DEFS=$(NOHWOPT)
CPPFLAGS=-I$(ZLIBINC) $(DEFS)
CFLAGS=-O3 -funroll-loops -Wall -Wextra -Wundef
LDFLAGS=-L. -L$(ZLIBLIB) -lpng16 -lz
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)
# Pre-built configuration
# See scripts/pnglibconf.mak for more options
PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
# 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
OBJSDLL = $(OBJS:.o=.pic.o)
.SUFFIXES: .c .o .pic.o
.c.o:
$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
.c.pic.o:
$(CC) -c $(CPPFLAGS) $(CFLAGS) -fno-common -o $@ $*.c
all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
$(CP) $(PNGLIBCONF_H_PREBUILT) $@
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@!$(INCPATH)! \
-e s!-lpng16!-lpng16\ -lz! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
echo prefix=\"$(prefix)\"; \
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo L_opts=\"-L$(LIBPATH)\"; \
echo libs=\"-lpng16 -lz\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
$(LIBSO): $(LIBSOMAJ)
$(LN_SF) $(LIBSOMAJ) $(LIBSO)
$(LIBSOMAJ): $(OBJSDLL)
$(CC) -dynamiclib \
-install_name $(LIBPATH)/$(LIBSOMAJ) \
-current_version 16 -compatibility_version 16 \
-o $(LIBSOMAJ) \
$(OBJSDLL) -L$(ZLIBLIB) -lz
pngtest: pngtest.o $(LIBSO)
$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
test: pngtest
./pngtest
install-headers: png.h pngconf.h pnglibconf.h
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
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) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
-@$(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
$(RANLIB) $(DL)/$(LIBNAME).a
-@$(RM_F) $(DL)/libpng.a
(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
(cd $(DL); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@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) $(CPPFLAGS) \
`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
-L$(DL) -L$(ZLIBLIB) \
-o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtestd pngtest.png
test-installed:
$(CC) $(CPPFLAGS) $(CFLAGS) \
`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
-L$(ZLIBLIB) \
-o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtesti pngtest.png
clean:
$(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
libpng.pc $(LIBNAME).*dylib pngtesti pnglibconf.h
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o pngwutil.pic.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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