Check libpng directly into third_party/

third_party/libpng/scripts/makefile.aix

+# makefile for libpng using gcc (generic, static library)
+# Copyright (C) 2002, 2006-2009, 2014 Glenn Randers-Pehrson
+# Copyright (C) 2000 Cosmin Truta
+# 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 = $(CC)
+AR_RC = ar rcs
+MKDIR_P = mkdir -p
+RANLIB = ranlib
+RM_F = rm -f
+LN_SF = ln -f -s
+
+LIBNAME = libpng16
+PNGMAJ = 16
+
+prefix=/usr/local
+INCPATH=$(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 = -W -Wall -O2 # $(WARNMORE) -g
+LDFLAGS = -L. -L$(ZLIBLIB) -lpng16 -lz -lm
+
+# Variables
+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