Check libpng directly into third_party/

third_party/libpng/scripts/makefile.sunos

+# makefile for libpng
+# Copyright (C) 2002, 2006, 2014 Glenn Randers-Pehrson
+# 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
+
+# where make install puts libpng.a and png.h
+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=
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow -Wconversion \
+        -Wmissing-declarations -Wtraditional -Wcast-align \
+        -Wstrict-prototypes -Wmissing-prototypes
+
+CC=gcc
+AR_RC=ar rc
+MKDIR_P=mkdir -p
+LN_SF=ln -f -s
+RANLIB=ranlib
+CP=cp
+RM_F=/bin/rm -f
+
+CPPFLAGS=-I$(ZLIBINC) # -DPNG_DEBUG=5
+CFLAGS=-O # $(WARNMORE)
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
+
+# Pre-built configuration
+# See scripts/pnglibconf.mak for more options
+PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
+
+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
+
+.c.o:
+        $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
+
+all: libpng.a pngtest
+
+pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
+        $(CP) $(PNGLIBCONF_H_PREBUILT) $@
+
+libpng.a: $(OBJS)
+        $(AR_RC) $@  $(OBJS)
+        $(RANLIB) $@
+
+pngtest: pngtest.o libpng.a
+        $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+        ./pngtest
+
+install: libpng.a
+        -@$(MKDIR_P) $(DESTDIR)$(INCPATH)
+        -@$(MKDIR_P) $(DESTDIR)$(INCPATH)/libpng
+        -@$(MKDIR_P) $(DESTDIR)$(LIBPATH)
+        -@$(RM_F) $(DESTDIR)$(INCPATH)/png.h
+        -@$(RM_F) $(DESTDIR)$(INCPATH)/pngconf.h
+        -@$(RM_F) $(DESTDIR)$(INCPATH)/pnglibconf.h
+        cp png.h $(DESTDIR)$(INCPATH)/libpng
+        cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
+        cp pnglibconf.h $(DESTDIR)$(INCPATH)/libpng
+        chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
+        chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
+        chmod 644 $(DESTDIR)$(INCPATH)/libpng/pnglibconf.h
+        (cd $(DESTDIR)$(INCPATH); $(LN_SF) libpng/* .)
+        cp libpng.a $(DESTDIR)$(LIBPATH)
+        chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
+
+clean:
+        $(RM_F) *.o libpng.a pngtest pngout.png pnglibconf.h
+
+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.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
+pngrio.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
+pngmem.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
+pngget.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
+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
+pngtrans.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
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+
+pngtest.o: png.h pngconf.h pnglibconf.h