12 files changed, 685 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/README b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/README
new file mode 100644
index 0000000..86583cc
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/README
@@ -0,0 +1,10 @@
+This demonstrates the use of PNG_USER_CONFIG, pngusr.h and pngusr.dfa
+The makefile builds a minimal read-only decoder with embedded libpng
+and zlib.
+Specify the location of the zlib source (1.2.1 or later) as ZLIBSRC
+on the make command line.
+If you prefer to use the shared libraries, go to contrib/pngminus
+and build the png2pnm application there.
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/makefile b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/makefile
new file mode 100644
index 0000000..9692e0a
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/makefile
@@ -0,0 +1,150 @@
+# Makefile for PngMinus (pngm2pnm)
+# Linux / Unix
+#CC=cc
+CC=gcc
+LD=$(CC)
+# If awk fails try
+# make AWK=nawk
+# If cpp fails try
+# make CPP=/lib/cpp
+RM=rm -f
+COPY=cp
+CFLAGS=-DPNG_USER_CONFIG -DNO_GZCOMPRESS -DNO_GZIP -I. -O1
+C=.c
+O=.o
+L=.a
+E=
+# Where to find the source code:
+PNGSRC =../../..
+ZLIBSRC=$(PNGSRC)/../zlib
+PROGSRC=$(PNGSRC)/contrib/pngminus
+# Zlib (minimal inflate requirements - crc32 is used by libpng)
+# zutil can be eliminated if you provide your own zcalloc and zcfree
+ZSRCS  = adler32$(C) crc32$(C) \
+         inffast$(C) inflate$(C) inftrees$(C) \
+         zutil$(C)
+# Standard headers
+ZH     = zlib.h crc32.h inffast.h inffixed.h \
+         inflate.h inftrees.h zutil.h
+# Machine generated headers
+ZCONF  = zconf.h
+# Headers callers use
+ZINC   = zlib.h $(ZCONF)
+# Headers the Zlib source uses
+ZHDRS  = $(ZH) $(ZCONF)
+ZOBJS  = adler32$(O) crc32$(O) \
+         inffast$(O) inflate$(O) inftrees$(O) \
+         zutil$(O)
+# libpng
+PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \
+        pngread$(C) pngrio$(C) pngrtran$(C) pngrutil$(C) \
+        pngset$(C) pngtrans$(C)
+        
+# Standard headers
+PNGH   =png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h
+# Machine generated headers
+PNGCONF=pnglibconf.h
+# Headers callers use
+PNGINC= png.h pngconf.h pngusr.h $(PNGCONF)
+# Headers the PNG library uses
+PNGHDRS=$(PNGH) $(PNGCONF) pngusr.h
+PNGOBJS=png$(O) pngerror$(O) pngget$(O) pngmem$(O) \
+        pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) \
+        pngset$(O) pngtrans$(O)
+PROGSRCS= pngm2pnm$(C)
+PROGHDRS=
+PROGDOCS=
+PROGOBJS= pngm2pnm$(O)
+OBJS    = $(PROGOBJS) $(PNGOBJS) $(ZOBJS)
+# implicit make rules -------------------------------------------------------
+# note: dependencies do not work on implicit rule lines
+.c$(O):
+        $(CC) -c $(CFLAGS) $<
+# dependencies
+all: pngm2pnm$(E)
+pngm2pnm$(E): $(OBJS)
+        $(LD) -o pngm2pnm$(E) $(OBJS)
+# The DFA_XTRA setting turns all libpng options off then
+# turns on those required for this minimal build.
+# The CPP_FLAGS setting causes pngusr.h to be included in
+# both the build of pnglibconf.h and, subsequently, when
+# building libpng itself.
+$(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak\
+        $(PNGSRC)/scripts/pnglibconf.dfa \
+        $(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa
+        $(RM) pnglibconf.h pnglibconf.dfn
+        $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
+            srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG"\
+            DFA_XTRA="pngusr.dfa" $@
+clean:
+        $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
+            srcdir=$(PNGSRC) clean
+        $(RM) pngm2pnm$(O)
+        $(RM) pngm2pnm$(E)
+        $(RM) $(OBJS)
+# distclean also removes the copied source and headers
+distclean: clean
+        $(RM) -r scripts # historical reasons
+        $(RM) $(PNGSRCS) $(PNGH)
+        $(RM) $(ZSRCS) $(ZH) $(ZCONF)
+        $(RM) $(PROGSRCS) $(PROGHDRS) $(PROGDOCS)
+# Header file dependencies:
+$(PROGOBJS): $(PROGHDRS) $(PNGINC) $(ZINC)
+$(PNGOBJS): $(PNGHDRS) $(ZINC)
+$(ZOBJS): $(ZHDRS)
+# Gather the source code from the respective directories
+$(PNGSRCS) $(PNGH): $(PNGSRC)/$@
+        $(RM) $@
+        $(COPY) $(PNGSRC)/$@ $@
+# No dependency on the ZLIBSRC target so that it only needs
+# to be specified once.
+$(ZSRCS) $(ZH):
+        $(RM) $@
+        $(COPY) $(ZLIBSRC)/$@ $@
+# The unconfigured zconf.h varies in name according to the
+# zlib release
+$(ZCONF):
+        $(RM) $@
+        @for f in zconf.h.in zconf.in.h zconf.h; do\
+            test -r $(ZLIBSRC)/$$f &&\
+            echo $(COPY) $(ZLIBSRC)/$$f $@ &&\
+            $(COPY) $(ZLIBSRC)/$$f $@ && exit 0;\
+        done; echo copy: $(ZLIBSRC)/zconf.h not found; exit 1
+pngm2pnm.c: $(PROGSRC)/png2pnm.c
+        $(RM) $@
+        $(COPY) $(PROGSRC)/png2pnm.c $@
+# End of makefile for pngm2pnm
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/pngusr.dfa b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/pngusr.dfa
new file mode 100644
index 0000000..8a66d64
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/pngusr.dfa
@@ -0,0 +1,39 @@
+# pngminim/decoder/pngusr.dfa
+#
+# Copyright (c) 2010-2011 Glenn Randers-Pehrson
+#
+# This code is released under the libpng license.
+# For conditions of distribution and use, see the disclaimer
+# and license in png.h
+# First all the build options off:
+everything = off
+# All that is required is some read code. This example switches
+# on the sequential read code (see ../preader for a progressive
+# read example).
+option SEQUENTIAL_READ on
+# You must choose fixed or floating point arithmetic:
+# option FLOATING_POINT on
+option FIXED_POINT on
+# You must chose the internal fixed point implementation or to
+# use the system floating point.  The latter is considerably
+# smaller (by about 1kbyte on an x86 system):
+# option FLOATING_ARITHMETIC on
+option FLOATING_ARITHMETIC off
+# Your program will probably need other options.  The example
+# program here, pngm2pnm, requires the following.  Take a look
+# at pnglibconf.h to find out the full set of what has to be
+# enabled to make the following work.
+option SETJMP on
+option STDIO on
+option READ_EXPAND on
+option READ_STRIP_16_TO_8 on
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/pngusr.h b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/pngusr.h
new file mode 100644
index 0000000..2991c17
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/decoder/pngusr.h
@@ -0,0 +1,24 @@
+/* minrdpngconf.h: headers to make a minimal png-read-only library
+ *
+ * Copyright (c) 2007, 2010-2011 Glenn Randers-Pehrson
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
+ * Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson
+ */
+#ifndef MINRDPNGCONF_H
+#define MINRDPNGCONF_H
+/* To include pngusr.h set -DPNG_USER_CONFIG in CPPFLAGS */
+/* List options to turn off features of the build that do not
+ * affect the API (so are not recorded in pnglibconf.h)
+ */
+#define PNG_NO_WARNINGS
+#define PNG_ALIGN_TYPE PNG_ALIGN_NONE
+#endif /* MINRDPNGCONF_H */
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/README b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/README
new file mode 100644
index 0000000..f8a8b6d
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/README
@@ -0,0 +1,10 @@
+This demonstrates the use of PNG_USER_CONFIG and pngusr.h
+The makefile builds a minimal write-only decoder with embedded libpng
+and zlib.
+Specify the location of the zlib source (1.2.1 or later) as ZLIBSRC
+on the make command line.
+If you prefer to use the shared libraries, go to contrib/pngminus
+and build the pnm2png application there.
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/makefile b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/makefile
new file mode 100644
index 0000000..7374a6c
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/makefile
@@ -0,0 +1,149 @@
+# Makefile for PngMinus (pnm2pngm)
+# Linux / Unix
+#CC=cc
+CC=gcc
+LD=$(CC)
+# If awk fails try
+# make AWK=nawk
+# If cpp fails try
+# make CPP=/lib/cpp
+RM=rm -f
+COPY=cp
+CFLAGS=-DPNG_USER_CONFIG -DNO_GZIP -I. -O1
+C=.c
+O=.o
+L=.a
+E=
+# Where to find the source code:
+PNGSRC =../../..
+ZLIBSRC=$(PNGSRC)/../zlib
+PROGSRC=$(PNGSRC)/contrib/pngminus
+# Zlib
+ZSRCS  = adler32$(C) compress$(C) crc32$(C) deflate$(C) \
+         trees$(C) zutil$(C)
+# Standard headers
+#ZH     = zlib.h crc32.h deflate.h trees.h zutil.h
+ZH     = zlib.h crc32.h deflate.h trees.h zutil.h
+# Machine generated headers
+ZCONF  = zconf.h
+# Headers callers use
+ZINC   = zlib.h $(ZCONF)
+# Headers the Zlib source uses
+ZHDRS  = $(ZH) $(ZCONF)
+# compress is not required; it is needed to link the zlib
+# code because deflate defines an unused API function deflateBound
+# which itself calls compressBound from compress.
+ZOBJS  = adler32$(O) compress$(O) crc32$(O) deflate$(O) \
+         trees$(O) zutil$(O)
+# libpng
+PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \
+        pngset$(C) pngtrans$(C) pngwio$(C) pngwrite$(C) \
+        pngwtran$(C) pngwutil$(C)
+# Standard headers
+PNGH   =png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h
+# Machine generated headers
+PNGCONF=pnglibconf.h
+# Headers callers use
+PNGINC= png.h pngconf.h pngusr.h $(PNGCONF)
+# Headers the PNG library uses
+PNGHDRS=$(PNGH) $(PNGCONF) pngusr.h
+PNGOBJS=png$(O) pngerror$(O) pngget$(O) pngmem$(O) \
+        pngset$(O) pngtrans$(O) pngwio$(O) pngwrite$(O) \
+        pngwtran$(O) pngwutil$(O)
+PROGSRCS= pnm2pngm$(C)
+PROGHDRS=
+PROGDOCS=
+PROGOBJS= pnm2pngm$(O)
+OBJS    = $(PROGOBJS) $(PNGOBJS) $(ZOBJS)
+# implicit make rules -------------------------------------------------------
+.c$(O):
+        $(CC) -c $(CFLAGS) $<
+# dependencies
+all: pnm2pngm$(E)
+pnm2pngm$(E): $(OBJS)
+        $(LD) -o pnm2pngm$(E) $(OBJS)
+# The DFA_XTRA setting turns all libpng options off then
+# turns on those required for this minimal build.
+# The CPP_FLAGS setting causes pngusr.h to be included in
+# both the build of pnglibconf.h and, subsequently, when
+# building libpng itself.
+$(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak\
+        $(PNGSRC)/scripts/pnglibconf.dfa \
+        $(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa
+        $(RM) pnglibconf.h pnglibconf.dfn
+        $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
+            srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG"\
+            DFA_XTRA="pngusr.dfa" $@
+clean:
+        $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
+            srcdir=$(PNGSRC) clean
+        $(RM) pnm2pngm$(O)
+        $(RM) pnm2pngm$(E)
+        $(RM) $(OBJS)
+# distclean also removes the copied source and headers
+distclean: clean
+        $(RM) -r scripts # historical reasons
+        $(RM) $(PNGSRCS) $(PNGH)
+        $(RM) $(ZSRCS) $(ZH) $(ZCONF)
+        $(RM) $(PROGSRCS) $(PROGHDRS) $(PROGDOCS)
+# Header file dependencies:
+$(PROGOBJS): $(PROGHDRS) $(PNGINC) $(ZINC)
+$(PNGOBJS): $(PNGHDRS) $(ZINC)
+$(ZOBJS): $(ZHDRS)
+# Gather the source code from the respective directories
+$(PNGSRCS) $(PNGH): $(PNGSRC)/$@
+        $(RM) $@
+        $(COPY) $(PNGSRC)/$@ $@
+# No dependency on the ZLIBSRC target so that it only needs
+# to be specified once.
+$(ZSRCS) $(ZH):
+        $(RM) $@
+        $(COPY) $(ZLIBSRC)/$@ $@
+# The unconfigured zconf.h varies in name according to the
+# zlib release
+$(ZCONF):
+        $(RM) $@
+        @for f in zconf.h.in zconf.in.h zconf.h; do\
+            test -r $(ZLIBSRC)/$$f &&\
+            echo $(COPY) $(ZLIBSRC)/$$f $@ &&\
+            $(COPY) $(ZLIBSRC)/$$f $@ && exit 0;\
+        done; echo copy: $(ZLIBSRC)/zconf.h not found; exit 1
+pnm2pngm.c: $(PROGSRC)/pnm2png.c
+        $(RM) $@
+        $(COPY) $(PROGSRC)/pnm2png.c $@
+# End of makefile for pnm2pngm
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/pngusr.dfa b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/pngusr.dfa
new file mode 100644
index 0000000..448f821
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/pngusr.dfa
@@ -0,0 +1,35 @@
+# pngminim/encoder/pngusr.dfa
+#
+# Copyright (c) 2010-2011 Glenn Randers-Pehrson
+#
+# This code is released under the libpng license.
+# For conditions of distribution and use, see the disclaimer
+# and license in png.h
+# First all the build options off:
+everything = off
+# Switch on the write code - this makes a minimalist encoder
+option WRITE on
+# You must choose fixed or floating point arithmetic:
+# option FLOATING_POINT on
+option FIXED_POINT on
+# You must chose the internal fixed point implementation or to
+# use the system floating point.  The latter is considerably
+# smaller (by about 1kbyte on an x86 system):
+# option FLOATING_ARITHMETIC on
+option FLOATING_ARITHMETIC off
+# Your program will probably need other options.  The example
+# program here, pnm2pngm, requires the following.  Take a look
+# at pnglibconf.h to find out the full set of what has to be
+# enabled to make the following work.
+option SETJMP on
+option STDIO on
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/pngusr.h b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/pngusr.h
new file mode 100644
index 0000000..bafbf13
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/encoder/pngusr.h
@@ -0,0 +1,24 @@
+/* minwrpngconf.h: headers to make a minimal png-write-only library
+ *
+ * Copyright (c) 2007, 2010-2011 Glenn Randers-Pehrson
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
+ * Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson
+ */
+#ifndef MINWRPNGCONF_H
+#define MINWRPNGCONF_H
+/* To include pngusr.h set -DPNG_USER_CONFIG in CPPFLAGS */
+/* List options to turn off features of the build that do not
+ * affect the API (so are not recorded in pnglibconf.h)
+ */
+#define PNG_NO_WARNINGS
+#define PNG_ALIGN_TYPE PNG_ALIGN_NONE
+#endif /* MINWRPNGCONF_H */
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/README b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/README
new file mode 100644
index 0000000..e40024e
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/README
@@ -0,0 +1,15 @@
+This demonstrates the use of PNG_USER_CONFIG and pngusr.h
+The makefile builds a minimal read-only progressive decoder with
+embedded libpng, zlib and your system's X library.
+Specify the location of the zlib source (1.2.1 or later) as ZLIBSRC
+on the make command line.
+Edit makefile if required, to find your X library and include files,
+then
+    make ZLIBSRC=directory
+If you prefer to use the shared libraries, go to contrib/gregbook
+and build the rpng2-x application there.
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/makefile b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/makefile
new file mode 100644
index 0000000..a367661
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/makefile
@@ -0,0 +1,165 @@
+# Makefile for PngMinus (rpng2)
+# Linux / Unix
+#CC=cc
+CC=gcc
+LD=$(CC)
+# If awk fails try
+# make AWK=nawk
+# If cpp fails try
+# make CPP=/lib/cpp
+RM=rm -f
+COPY=cp
+#XINC = -I/usr/include                  # old-style, stock X distributions
+#XLIB = -L/usr/lib/X11 -lX11            #  (including SGI IRIX)
+#XINC = -I/usr/openwin/include          # Sun workstations (OpenWindows)
+#XLIB = -L/usr/openwin/lib -lX11
+XINC = -I/usr/X11R6/include             # new X distributions (X.org, etc.)
+XLIB = -L/usr/X11R6/lib -lX11
+#XLIB = -L/usr/X11R6/lib64 -lX11        # e.g., Red Hat on AMD64
+#XINC = -I/usr/local/include            # FreeBSD
+#XLIB = -L/usr/local/lib -lX11
+#LIBS = $(XLIB)
+LIBS = $(XLIB) -lm                      #platforms that need libm
+CFLAGS=-DPNG_USER_CONFIG -DNO_GZCOMPRESS -DNO_GZIP -I. $(XINC) -O1
+C=.c
+O=.o
+L=.a
+E=
+# Where to find the source code:
+PNGSRC =../../..
+ZLIBSRC=$(PNGSRC)/../zlib
+PROGSRC=$(PNGSRC)/contrib/gregbook
+# Zlib (minimal inflate requirements - crc32 is used by libpng)
+# zutil can be eliminated if you provide your own zcalloc and zcfree
+ZSRCS  = adler32$(C) crc32$(C) \
+         inffast$(C) inflate$(C) inftrees$(C) \
+         zutil$(C)
+# Standard headers
+ZH     = zlib.h crc32.h inffast.h inffixed.h \
+         inflate.h inftrees.h zutil.h
+# Machine generated headers
+ZCONF  = zconf.h
+# Headers callers use
+ZINC   = zlib.h $(ZCONF)
+# Headers the Zlib source uses
+ZHDRS  = $(ZH) $(ZCONF)
+ZOBJS  = adler32$(O) crc32$(O) \
+         inffast$(O) inflate$(O) inftrees$(O) \
+         zutil$(O)
+# libpng
+PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \
+        pngpread$(C) pngread$(C) pngrio$(C) pngrtran$(C) pngrutil$(C) \
+        pngset$(C) pngtrans$(C)
+# Standard headers
+PNGH   =png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h
+# Machine generated headers
+PNGCONF=pnglibconf.h
+# Headers callers use
+PNGINC= png.h pngconf.h pngusr.h $(PNGCONF)
+# Headers the PNG library uses
+PNGHDRS=$(PNGH) $(PNGCONF) pngusr.h
+PNGOBJS=png$(O) pngerror$(O) pngget$(O) pngmem$(O) \
+        pngpread$(O) pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) \
+        pngset$(O) pngtrans$(O)
+PROGSRCS= rpng2-x$(C) readpng2$(C)
+PROGHDRS= readpng2.h
+PROGDOCS= COPYING LICENSE
+PROGOBJS= rpng2-x$(O) readpng2$(O)
+OBJS    = $(PROGOBJS) $(PNGOBJS) $(ZOBJS)
+# implicit make rules -------------------------------------------------------
+.c$(O):
+        $(CC) -c $(CFLAGS) $<
+# dependencies
+all: $(PROGDOCS) rpng2-x$(E)
+rpng2-x$(E): $(OBJS)
+        $(LD) -o rpng2-x$(E) $(OBJS) $(LIBS)
+# The DFA_XTRA setting turns all libpng options off then
+# turns on those required for this minimal build.
+# The CPP_FLAGS setting causes pngusr.h to be included in
+# both the build of pnglibconf.h and, subsequently, when
+# building libpng itself.
+$(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak\
+        $(PNGSRC)/scripts/pnglibconf.dfa \
+        $(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa
+        $(RM) pnglibconf.h pnglibconf.dfn
+        $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
+            srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG"\
+            DFA_XTRA="pngusr.dfa" $@
+clean:
+        $(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
+            srcdir=$(PNGSRC) clean
+        $(RM) rpng2-x$(O)
+        $(RM) rpng2-x$(E)
+        $(RM) $(OBJS)
+# distclean also removes the copied source and headers
+distclean: clean
+        $(RM) -r scripts # historical reasons
+        $(RM) $(PNGSRCS) $(PNGH)
+        $(RM) $(ZSRCS) $(ZH) $(ZCONF)
+        $(RM) $(PROGSRCS) $(PROGHDRS) $(PROGDOCS)
+# Header file dependencies:
+$(PROGOBJS): $(PROGHDRS) $(PNGINC) $(ZINC)
+$(PNGOBJS): $(PNGHDRS) $(ZINC)
+$(ZOBJS): $(ZHDRS)
+# Gather the source code from the respective directories
+$(PNGSRCS) $(PNGH): $(PNGSRC)/$@
+        $(RM) $@
+        $(COPY) $(PNGSRC)/$@ $@
+# No dependency on the ZLIBSRC target so that it only needs
+# to be specified once.
+$(ZSRCS) $(ZH):
+        $(RM) $@
+        $(COPY) $(ZLIBSRC)/$@ $@
+# The unconfigured zconf.h varies in name according to the
+# zlib release
+$(ZCONF):
+        $(RM) $@
+        @for f in zconf.h.in zconf.in.h zconf.h; do\
+            test -r $(ZLIBSRC)/$$f &&\
+            echo $(COPY) $(ZLIBSRC)/$$f $@ &&\
+            $(COPY) $(ZLIBSRC)/$$f $@ && exit 0;\
+        done; echo copy: $(ZLIBSRC)/zconf.h not found; exit 1
+$(PROGSRCS) $(PROGHDRS) $(PROGDOCS): $(PROGSRC)/$@
+        $(RM) $@
+        $(COPY) $(PROGSRC)/$@ $@
+# End of makefile for rpng2-x
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/pngusr.dfa b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/pngusr.dfa
new file mode 100644
index 0000000..0c991d3
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/pngusr.dfa
@@ -0,0 +1,40 @@
+# pngminim/preader/pngusr.dfa
+#
+# Copyright (c) 2010-2011 Glenn Randers-Pehrson
+#
+# This code is released under the libpng license.
+# For conditions of distribution and use, see the disclaimer
+# and license in png.h
+# First all the build options off:
+everything = off
+# Just switch on the progressive read code
+option PROGRESSIVE_READ on
+# You may choose fixed or floating point APIs:
+# option FLOATING_POINT on
+option FIXED_POINT on
+# You must chose the internal fixed point implementation or to
+# use the system floating point.  The latter is considerably
+# smaller (by about 1kbyte on an x86 system):
+option FLOATING_ARITHMETIC on
+# option FLOATING_ARITHMETIC off
+# Your program will probably need other options.  The example
+# program here, rpng2-x, requires the following.  Take a look
+# at pnglibconf.h to find out the full set of what has to be
+# enabled to make the following work.
+option SETJMP on
+option STDIO on
+option READ_bKGD on
+option READ_GAMMA on
+option READ_EXPAND on
+option READ_STRIP_16_TO_8 on
+option READ_GRAY_TO_RGB on
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/pngusr.h b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/pngusr.h
new file mode 100644
index 0000000..7db806f
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/contrib/pngminim/preader/pngusr.h
@@ -0,0 +1,24 @@
+/* minrdpngconf.h: headers to make a minimal png-read-only library
+ *
+ * Copyright (c) 2009, 2010-2011 Glenn Randers-Pehrson
+ *
+ * This code is released under the libpng license.
+ * For conditions of distribution and use, see the disclaimer
+ * and license in png.h
+ *
+ * Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson
+ */
+#ifndef MINPRDPNGCONF_H
+#define MINPRDPNGCONF_H
+/* To include pngusr.h set -DPNG_USER_CONFIG in CPPFLAGS */
+/* List options to turn off features of the build that do not
+ * affect the API (so are not recorded in pnglibconf.h)
+ */
+#define PNG_NO_WARNINGS
+#define PNG_ALIGN_TYPE PNG_ALIGN_NONE
+#endif /* MINPRDPNGCONF_H */