diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..58665ff
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,103 @@
+#
+#    Copyright (c) 2010-2012 Nest Labs, Inc.
+#    All rights reserved.
+#
+#    This document is the property of Nest. It is considered
+#    confidential and proprietary information.
+#
+#    This document may not be reproduced or transmitted in any form,
+#    in whole or in part, without the express written permission of
+#    Nest.
+#
+#    Description:
+#      This file is the makefile for the zlib compression library.
+#
+
+
+include pre.mak
+
+PackageName		:= zlib
+
+PackageExtension	:= tar.bz2
+PackageSeparator	:= -
+
+PackagePatchArgs	:=
+
+PackageArchive		:= $(PackageName).$(PackageExtension)
+PackageSourceDir	:= $(PackageName)$(PackageSeparator)$(PackageVersion)
+
+PackageResultPath	= $(call GenerateResultPaths,,usr)
+
+CleanPaths		+= $(PackageLicenseFile)
+
+SOURCEDIRS                      = $(PackageSourceDir)
+$(PackageSourceDir)_RULE_TARGET = $(BuildDirectory)/configure
+
+all: $(PackageDefaultGoal)
+
+# Generate the package license contents.
+
+$(PackageSourceDir)/zlib.h: $(BuildDirectory)/source
+
+$(PackageLicenseFile): $(PackageSourceDir)/zlib.h
+	$(Verbose)$(SED) -n -e '/^\/\* zlib\.h/,/\*\/$$/{;p;/\*\/$$/q;}' < $< > $@
+
+# Extract the source from the archive and apply patches, if any.
+
+$(PackageSourceDir): $(PackageArchive) $(PackagePatchPaths)
+	$(expand-and-patch-package)
+
+# Prepare the sources.
+
+$(BuildDirectory)/source: | $(PackageSourceDir)
+	$(Verbose)touch $@
+
+# Patch the sources, if necessary.
+
+$(BuildDirectory)/patch: $(BuildDirectory)/source
+	$(Verbose)touch $@
+
+# Configure the source for building.
+
+$(BuildDirectory)/configure: $(BuildDirectory)/source | $(PackageSourceDir) $(BuildDirectory)
+	$(Verbose)cd $(BuildDirectory) && \
+	CC="$(CC) $(CPPOPTFLAGS)" AR=$(AR) NM=$(NM) RANLIB=$(RANLIB) \
+	INSTALL="$(INSTALL) $(INSTALLFLAGS)" \
+	$(CURDIR)/$(PackageSourceDir)/configure  \
+	$(ZlibTargetConfigOptions) \
+	--prefix=$(PackageResultPath) \
+	--shared
+	$(Verbose)touch $@
+
+# Build the source.
+#
+# We have to unset MAKEFLAGS since they confuse the package build otherwise.
+
+$(BuildDirectory)/build: $(BuildDirectory)/configure
+	$(Verbose)unset MAKEFLAGS && \
+	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory) \
+	prefix=$(PackageResultPath) \
+	all
+	$(Verbose)touch $@
+
+# Stage the build to a temporary installation area.
+#
+# We have to unset MAKEFLAGS since they confuse the package build otherwise.
+
+$(BuildDirectory)/stage: $(BuildDirectory)/build | $(ResultDirectory)
+	$(Verbose)unset MAKEFLAGS && \
+	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory) \
+	INSTALL="$(INSTALL) $(INSTALLFLAGS)" \
+	prefix=$(PackageResultPath) \
+	install
+	$(Verbose)touch $@
+
+.PHONY: stage
+stage: $(BuildDirectory)/stage
+
+clean:
+	$(Verbose)$(RM) $(RMFLAGS) -r $(PackageSourceDir)
+	$(Verbose)$(RM) $(RMFLAGS) -r $(BuildDirectory)
+	$(Verbose)$(RM) $(RMFLAGS) -r $(ResultDirectory)
+
+include post.mak
diff --git a/zlib.patches/zlib-50.description b/zlib.patches/zlib-50.description
new file mode 100644
index 0000000..92da47b
--- /dev/null
+++ b/zlib.patches/zlib-50.description
@@ -0,0 +1 @@
+Patch to allow building zlib with non-colocated source and object trees.
diff --git a/zlib.patches/zlib-50.patch b/zlib.patches/zlib-50.patch
new file mode 100644
index 0000000..9ef56b0
--- /dev/null
+++ b/zlib.patches/zlib-50.patch
@@ -0,0 +1,687 @@
+diff -aruN a/configure b/configure
+--- a/configure	2012-01-29 09:48:11.000000000 -0800
++++ b/configure	2012-02-08 12:53:27.214832230 -0800
+@@ -13,9 +13,15 @@
+ # If you have problems, try without defining CC and CFLAGS before reporting
+ # an error.
+ 
+-echo -------------------- >> configure.log
+-echo $0 $* >> configure.log
+-date >> configure.log
++confdir=`dirname "$0"`
++srcdir=$confdir
++builddir=`pwd`
++
++LOG="$builddir/configure.log"
++
++echo -------------------- >> ${LOG}
++echo $0 $* >> ${LOG}
++date >> ${LOG}
+ 
+ if [ -n "${CHOST}" ]; then
+     uname="`echo "${CHOST}" | sed -e 's/^[^-]*-\([^-]*\)$/\1/' -e 's/^[^-]*-[^-]*-\([^-]*\)$/\1/' -e 's/^[^-]*-[^-]*-\([^-]*\)-.*$/\1/'`"
+@@ -23,27 +29,27 @@
+ fi
+ 
+ STATICLIB=libz.a
+-VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`
+-VER3=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\\.[0-9]*\).*/\1/p' < zlib.h`
+-VER2=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\)\\..*/\1/p' < zlib.h`
+-VER1=`sed -n -e '/VERSION "/s/.*"\([0-9]*\)\\..*/\1/p' < zlib.h`
++VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < $srcdir/zlib.h`
++VER3=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\\.[0-9]*\).*/\1/p' < $srcdir/zlib.h`
++VER2=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\)\\..*/\1/p' < $srcdir/zlib.h`
++VER1=`sed -n -e '/VERSION "/s/.*"\([0-9]*\)\\..*/\1/p' < $srcdir/zlib.h`
+ if "${CROSS_PREFIX}ar" --version >/dev/null 2>/dev/null || test $? -lt 126; then
+     AR=${AR-"${CROSS_PREFIX}ar"}
+-    test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a configure.log
++    test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a ${LOG}
+ else
+     AR=${AR-"ar"}
+-    test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a configure.log
++    test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a ${LOG}
+ fi
+ ARFLAGS=${ARFLAGS-"rc"}
+ if "${CROSS_PREFIX}ranlib" --version >/dev/null 2>/dev/null || test $? -lt 126; then
+     RANLIB=${RANLIB-"${CROSS_PREFIX}ranlib"}
+-    test -n "${CROSS_PREFIX}" && echo Using ${RANLIB} | tee -a configure.log
++    test -n "${CROSS_PREFIX}" && echo Using ${RANLIB} | tee -a ${LOG}
+ else
+     RANLIB=${RANLIB-"ranlib"}
+ fi
+ if "${CROSS_PREFIX}nm" --version >/dev/null 2>/dev/null || test $? -lt 126; then
+     NM=${NM-"${CROSS_PREFIX}nm"}
+-    test -n "${CROSS_PREFIX}" && echo Using ${NM} | tee -a configure.log
++    test -n "${CROSS_PREFIX}" && echo Using ${NM} | tee -a ${LOG}
+ else
+     NM=${NM-"nm"}
+ fi
+@@ -72,10 +78,10 @@
+ do
+ case "$1" in
+     -h* | --help)
+-      echo 'usage:' | tee -a configure.log
+-      echo '  configure [--zprefix] [--prefix=PREFIX]  [--eprefix=EXPREFIX]' | tee -a configure.log
+-      echo '    [--static] [--64] [--libdir=LIBDIR] [--sharedlibdir=LIBDIR]' | tee -a configure.log
+-      echo '    [--includedir=INCLUDEDIR] [--archs="-arch i386 -arch x86_64"]' | tee -a configure.log
++      echo 'usage:' | tee -a ${LOG}
++      echo '  configure [--zprefix] [--prefix=PREFIX]  [--eprefix=EXPREFIX]' | tee -a ${LOG}
++      echo '    [--static] [--64] [--libdir=LIBDIR] [--sharedlibdir=LIBDIR]' | tee -a ${LOG}
++      echo '    [--includedir=INCLUDEDIR] [--archs="-arch i386 -arch x86_64"]' | tee -a ${LOG}
+         exit 0 ;;
+     -p*=* | --prefix=*) prefix=`echo $1 | sed 's/.*=//'`; shift ;;
+     -e*=* | --eprefix=*) exec_prefix=`echo $1 | sed 's/.*=//'`; shift ;;
+@@ -94,9 +100,9 @@
+     -z* | --zprefix) zprefix=1; shift ;;
+     -6* | --64) build64=1; shift ;;
+     -a*=* | --archs=*) ARCHS=`echo $1 | sed 's/.*=//'`; shift ;;
+-    --sysconfdir=*) echo "ignored option: --sysconfdir" | tee -a configure.log; shift ;;
+-    --localstatedir=*) echo "ignored option: --localstatedir" | tee -a configure.log; shift ;;
+-    *) echo "unknown option: $1"; echo "$0 --help for help" | tee -a configure.log; exit 1 ;;
++    --sysconfdir=*) echo "ignored option: --sysconfdir" | tee -a ${LOG}; shift ;;
++    --localstatedir=*) echo "ignored option: --localstatedir" | tee -a ${LOG}; shift ;;
++    *) echo "unknown option: $1"; echo "$0 --help for help" | tee -a ${LOG}; exit 1 ;;
+     esac
+ done
+ 
+@@ -106,11 +112,11 @@
+ {
+   case "$*" in
+     *$test.c*)
+-      echo === $test.c === >> configure.log
+-      cat $test.c >> configure.log
+-      echo === >> configure.log;;
++      echo === $test.c === >> ${LOG}
++      cat $test.c >> ${LOG}
++      echo === >> ${LOG};;
+   esac
+-  echo $* >> configure.log
++  echo $* >> ${LOG}
+ }
+ 
+ cat > $test.c <<EOF
+@@ -120,30 +126,30 @@
+   try()
+   {
+     show $*
+-    test "`( $* ) 2>&1 | tee -a configure.log`" = ""
++    test "`( $* ) 2>&1 | tee -a ${LOG}`" = ""
+   }
+-  echo - using any output from compiler to indicate an error >> configure.log
++  echo - using any output from compiler to indicate an error >> ${LOG}
+ else
+   try()
+   {
+     show $*
+-    ( $* ) >> configure.log 2>&1
++    ( $* ) >> ${LOG} 2>&1
+     ret=$?
+     if test $ret -ne 0; then
+-      echo "(exit code "$ret")" >> configure.log
++      echo "(exit code "$ret")" >> ${LOG}
+     fi
+     return $ret
+   }
+ fi
+ 
+-echo >> configure.log
++echo >> ${LOG}
+ 
+ cat > $test.c <<EOF
+ extern int getchar();
+ int hello() {return getchar();}
+ EOF
+ 
+-test -z "$CC" && echo Checking for ${CROSS_PREFIX}gcc... | tee -a configure.log
++test -z "$CC" && echo Checking for ${CROSS_PREFIX}gcc... | tee -a ${LOG}
+ cc=${CC-${CROSS_PREFIX}gcc}
+ cflags=${CFLAGS-"-O3"}
+ # to force the asm version use: CFLAGS="-O3 -DASMV" ./configure
+@@ -155,8 +161,8 @@
+ esac
+ 
+ show $cc -c $cflags $test.c
+-if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) >> configure.log 2>&1; then
+-  echo ... using gcc >> configure.log
++if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) >> ${LOG} 2>&1; then
++  echo ... using gcc >> ${LOG}
+   CC="$cc"
+   CFLAGS="${CFLAGS--O3} ${ARCHS}"
+   SFLAGS="${CFLAGS--O3} -fPIC"
+@@ -173,16 +179,16 @@
+   fi
+   case "$uname" in
+   Linux* | linux* | GNU | GNU/* | solaris*)
+-        LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"} ;;
++        LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,$srcdir/zlib.map"} ;;
+   *BSD | *bsd* | DragonFly)
+-        LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"}
++        LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,$srcdir/zlib.map"}
+         LDCONFIG="ldconfig -m" ;;
+   CYGWIN* | Cygwin* | cygwin* | OS/2*)
+         EXE='.exe' ;;
+   MINGW* | mingw*)
+ # temporary bypass
+         rm -f $test.[co] $test $test$shared_ext
+-        echo "Please use win32/Makefile.gcc instead." | tee -a configure.log
++        echo "Please use win32/Makefile.gcc instead." | tee -a ${LOG}
+         exit 1
+         LDSHARED=${LDSHARED-"$cc -shared"}
+         LDSHAREDLIBC=""
+@@ -214,7 +220,7 @@
+   # find system name and corresponding cc options
+   CC=${CC-cc}
+   gcc=0
+-  echo ... using $CC >> configure.log
++  echo ... using $CC >> ${LOG}
+   if test -z "$uname"; then
+     uname=`(uname -sr || echo unknown) 2>/dev/null`
+   fi
+@@ -293,19 +299,19 @@
+ SHAREDLIBV=${SHAREDLIBV-"libz$shared_ext.$VER"}
+ SHAREDLIBM=${SHAREDLIBM-"libz$shared_ext.$VER1"}
+ 
+-echo >> configure.log
++echo >> ${LOG}
+ 
+ if test $shared -eq 1; then
+-  echo Checking for shared library support... | tee -a configure.log
++  echo Checking for shared library support... | tee -a ${LOG}
+   # we must test in two steps (cc then ld), required at least on SunOS 4.x
+   if try $CC -w -c $SFLAGS $test.c &&
+      try $LDSHARED $SFLAGS -o $test$shared_ext $test.o; then
+-    echo Building shared library $SHAREDLIBV with $CC. | tee -a configure.log
++    echo Building shared library $SHAREDLIBV with $CC. | tee -a ${LOG}
+   elif test -z "$old_cc" -a -z "$old_cflags"; then
+-    echo No shared library support. | tee -a configure.log
++    echo No shared library support. | tee -a ${LOG}
+     shared=0;
+   else
+-    echo 'No shared library support; try without defining CC and CFLAGS' | tee -a configure.log
++    echo 'No shared library support; try without defining CC and CFLAGS' | tee -a ${LOG}
+     shared=0;
+   fi
+ fi
+@@ -316,7 +322,7 @@
+   SHAREDLIB=""
+   SHAREDLIBV=""
+   SHAREDLIBM=""
+-  echo Building static library $STATICLIB version $VER with $CC. | tee -a configure.log
++  echo Building static library $STATICLIB version $VER with $CC. | tee -a ${LOG}
+ else
+   ALL="static shared"
+   TEST="all teststatic testshared"
+@@ -325,17 +331,17 @@
+ CPP=${CPP-"$CC -E"}
+ case $CFLAGS in
+   *ASMV*)
+-    echo >> configure.log
++    echo >> ${LOG}
+     show "$NM $test.o | grep _hello"
+-    if test "`$NM $test.o | grep _hello | tee -a configure.log`" = ""; then
++    if test "`$NM $test.o | grep _hello | tee -a ${LOG}`" = ""; then
+       CPP="$CPP -DNO_UNDERLINE"
+-      echo Checking for underline in external names... No. | tee -a configure.log
++      echo Checking for underline in external names... No. | tee -a ${LOG}
+     else
+-      echo Checking for underline in external names... Yes. | tee -a configure.log
++      echo Checking for underline in external names... Yes. | tee -a ${LOG}
+     fi ;;
+ esac
+ 
+-echo >> configure.log
++echo >> ${LOG}
+ 
+ cat > $test.c <<EOF
+ #include <sys/types.h>
+@@ -346,11 +352,11 @@
+   SFLAGS="${SFLAGS} -D_LARGEFILE64_SOURCE=1"
+   ALL="${ALL} all64"
+   TEST="${TEST} test64"
+-  echo "Checking for off64_t... Yes." | tee -a configure.log
+-  echo "Checking for fseeko... Yes." | tee -a configure.log
++  echo "Checking for off64_t... Yes." | tee -a ${LOG}
++  echo "Checking for fseeko... Yes." | tee -a ${LOG}
+ else
+-  echo "Checking for off64_t... No." | tee -a configure.log
+-  echo >> configure.log
++  echo "Checking for off64_t... No." | tee -a ${LOG}
++  echo >> ${LOG}
+   cat > $test.c <<EOF
+ #include <stdio.h>
+ int main(void) {
+@@ -359,17 +365,17 @@
+ }
+ EOF
+   if try $CC $CFLAGS -o $test $test.c; then
+-    echo "Checking for fseeko... Yes." | tee -a configure.log
++    echo "Checking for fseeko... Yes." | tee -a ${LOG}
+   else
+     CFLAGS="${CFLAGS} -DNO_FSEEKO"
+     SFLAGS="${SFLAGS} -DNO_FSEEKO"
+-    echo "Checking for fseeko... No." | tee -a configure.log
++    echo "Checking for fseeko... No." | tee -a ${LOG}
+   fi
+ fi
+ 
+-cp -p zconf.h.in zconf.h
++cp -p $srcdir/zconf.h.in zconf.h
+ 
+-echo >> configure.log
++echo >> ${LOG}
+ 
+ cat > $test.c <<EOF
+ #include <unistd.h>
+@@ -378,12 +384,12 @@
+ if try $CC -c $CFLAGS $test.c; then
+   sed < zconf.h "/^#ifdef HAVE_UNISTD_H.* may be/s/def HAVE_UNISTD_H\(.*\) may be/ 1\1 was/" > zconf.temp.h
+   mv zconf.temp.h zconf.h
+-  echo "Checking for unistd.h... Yes." | tee -a configure.log
++  echo "Checking for unistd.h... Yes." | tee -a ${LOG}
+ else
+-  echo "Checking for unistd.h... No." | tee -a configure.log
++  echo "Checking for unistd.h... No." | tee -a ${LOG}
+ fi
+ 
+-echo >> configure.log
++echo >> ${LOG}
+ 
+ cat > $test.c <<EOF
+ #include <stdarg.h>
+@@ -392,16 +398,16 @@
+ if try $CC -c $CFLAGS $test.c; then
+   sed < zconf.h "/^#ifdef HAVE_STDARG_H.* may be/s/def HAVE_STDARG_H\(.*\) may be/ 1\1 was/" > zconf.temp.h
+   mv zconf.temp.h zconf.h
+-  echo "Checking for stdarg.h... Yes." | tee -a configure.log
++  echo "Checking for stdarg.h... Yes." | tee -a ${LOG}
+ else
+-  echo "Checking for stdarg.h... No." | tee -a configure.log
++  echo "Checking for stdarg.h... No." | tee -a ${LOG}
+ fi
+ 
+ if test $zprefix -eq 1; then
+   sed < zconf.h "/#ifdef Z_PREFIX.* may be/s/def Z_PREFIX\(.*\) may be/ 1\1 was/" > zconf.temp.h
+   mv zconf.temp.h zconf.h
+-  echo >> configure.log
+-  echo "Using z_ prefix on all symbols." | tee -a configure.log
++  echo >> ${LOG}
++  echo "Using z_ prefix on all symbols." | tee -a ${LOG}
+ fi
+ 
+ if test $solo -eq 1; then
+@@ -418,7 +424,7 @@
+   CFLAGS="${CFLAGS} -fprofile-arcs -ftest-coverage"
+ fi
+ 
+-echo >> configure.log
++echo >> ${LOG}
+ 
+ cat > $test.c <<EOF
+ #include <stdio.h>
+@@ -434,9 +440,9 @@
+ EOF
+ 
+ if try $CC -c $CFLAGS $test.c; then
+-  echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()." | tee -a configure.log
++  echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()." | tee -a ${LOG}
+ 
+-  echo >> configure.log
++  echo >> ${LOG}
+   cat > $test.c <<EOF
+ #include <stdio.h>
+ #include <stdarg.h>
+@@ -455,9 +461,9 @@
+ }
+ EOF
+   if try $CC $CFLAGS -o $test $test.c; then
+-    echo "Checking for vsnprintf() in stdio.h... Yes." | tee -a configure.log
++    echo "Checking for vsnprintf() in stdio.h... Yes." | tee -a ${LOG}
+ 
+-    echo >> configure.log
++    echo >> ${LOG}
+     cat >$test.c <<EOF
+ #include <stdio.h>
+ #include <stdarg.h>
+@@ -478,24 +484,24 @@
+ EOF
+ 
+     if try $CC -c $CFLAGS $test.c; then
+-      echo "Checking for return value of vsnprintf()... Yes." | tee -a configure.log
++      echo "Checking for return value of vsnprintf()... Yes." | tee -a ${LOG}
+     else
+       CFLAGS="$CFLAGS -DHAS_vsnprintf_void"
+       SFLAGS="$SFLAGS -DHAS_vsnprintf_void"
+-      echo "Checking for return value of vsnprintf()... No." | tee -a configure.log
+-      echo "  WARNING: apparently vsnprintf() does not return a value. zlib" | tee -a configure.log
+-      echo "  can build but will be open to possible string-format security" | tee -a configure.log
+-      echo "  vulnerabilities." | tee -a configure.log
++      echo "Checking for return value of vsnprintf()... No." | tee -a ${LOG}
++      echo "  WARNING: apparently vsnprintf() does not return a value. zlib" | tee -a ${LOG}
++      echo "  can build but will be open to possible string-format security" | tee -a ${LOG}
++      echo "  vulnerabilities." | tee -a ${LOG}
+     fi
+   else
+     CFLAGS="$CFLAGS -DNO_vsnprintf"
+     SFLAGS="$SFLAGS -DNO_vsnprintf"
+-    echo "Checking for vsnprintf() in stdio.h... No." | tee -a configure.log
+-    echo "  WARNING: vsnprintf() not found, falling back to vsprintf(). zlib" | tee -a configure.log
+-    echo "  can build but will be open to possible buffer-overflow security" | tee -a configure.log
+-    echo "  vulnerabilities." | tee -a configure.log
++    echo "Checking for vsnprintf() in stdio.h... No." | tee -a ${LOG}
++    echo "  WARNING: vsnprintf() not found, falling back to vsprintf(). zlib" | tee -a ${LOG}
++    echo "  can build but will be open to possible buffer-overflow security" | tee -a ${LOG}
++    echo "  vulnerabilities." | tee -a ${LOG}
+ 
+-    echo >> configure.log
++    echo >> ${LOG}
+     cat >$test.c <<EOF
+ #include <stdio.h>
+ #include <stdarg.h>
+@@ -516,20 +522,20 @@
+ EOF
+ 
+     if try $CC -c $CFLAGS $test.c; then
+-      echo "Checking for return value of vsprintf()... Yes." | tee -a configure.log
++      echo "Checking for return value of vsprintf()... Yes." | tee -a ${LOG}
+     else
+       CFLAGS="$CFLAGS -DHAS_vsprintf_void"
+       SFLAGS="$SFLAGS -DHAS_vsprintf_void"
+-      echo "Checking for return value of vsprintf()... No." | tee -a configure.log
+-      echo "  WARNING: apparently vsprintf() does not return a value. zlib" | tee -a configure.log
+-      echo "  can build but will be open to possible string-format security" | tee -a configure.log
+-      echo "  vulnerabilities." | tee -a configure.log
++      echo "Checking for return value of vsprintf()... No." | tee -a ${LOG}
++      echo "  WARNING: apparently vsprintf() does not return a value. zlib" | tee -a ${LOG}
++      echo "  can build but will be open to possible string-format security" | tee -a ${LOG}
++      echo "  vulnerabilities." | tee -a ${LOG}
+     fi
+   fi
+ else
+-  echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()." | tee -a configure.log
++  echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()." | tee -a ${LOG}
+ 
+-  echo >> configure.log
++  echo >> ${LOG}
+   cat >$test.c <<EOF
+ #include <stdio.h>
+ int mytest()
+@@ -545,9 +551,9 @@
+ EOF
+ 
+   if try $CC $CFLAGS -o $test $test.c; then
+-    echo "Checking for snprintf() in stdio.h... Yes." | tee -a configure.log
++    echo "Checking for snprintf() in stdio.h... Yes." | tee -a ${LOG}
+ 
+-    echo >> configure.log
++    echo >> ${LOG}
+     cat >$test.c <<EOF
+ #include <stdio.h>
+ int mytest()
+@@ -562,24 +568,24 @@
+ EOF
+ 
+     if try $CC -c $CFLAGS $test.c; then
+-      echo "Checking for return value of snprintf()... Yes." | tee -a configure.log
++      echo "Checking for return value of snprintf()... Yes." | tee -a ${LOG}
+     else
+       CFLAGS="$CFLAGS -DHAS_snprintf_void"
+       SFLAGS="$SFLAGS -DHAS_snprintf_void"
+-      echo "Checking for return value of snprintf()... No." | tee -a configure.log
+-      echo "  WARNING: apparently snprintf() does not return a value. zlib" | tee -a configure.log
+-      echo "  can build but will be open to possible string-format security" | tee -a configure.log
+-      echo "  vulnerabilities." | tee -a configure.log
++      echo "Checking for return value of snprintf()... No." | tee -a ${LOG}
++      echo "  WARNING: apparently snprintf() does not return a value. zlib" | tee -a ${LOG}
++      echo "  can build but will be open to possible string-format security" | tee -a ${LOG}
++      echo "  vulnerabilities." | tee -a ${LOG}
+     fi
+   else
+     CFLAGS="$CFLAGS -DNO_snprintf"
+     SFLAGS="$SFLAGS -DNO_snprintf"
+-    echo "Checking for snprintf() in stdio.h... No." | tee -a configure.log
+-    echo "  WARNING: snprintf() not found, falling back to sprintf(). zlib" | tee -a configure.log
+-    echo "  can build but will be open to possible buffer-overflow security" | tee -a configure.log
+-    echo "  vulnerabilities." | tee -a configure.log
++    echo "Checking for snprintf() in stdio.h... No." | tee -a ${LOG}
++    echo "  WARNING: snprintf() not found, falling back to sprintf(). zlib" | tee -a ${LOG}
++    echo "  can build but will be open to possible buffer-overflow security" | tee -a ${LOG}
++    echo "  vulnerabilities." | tee -a ${LOG}
+ 
+-    echo >> configure.log
++    echo >> ${LOG}
+     cat >$test.c <<EOF
+ #include <stdio.h>
+ int mytest()
+@@ -594,20 +600,20 @@
+ EOF
+ 
+     if try $CC -c $CFLAGS $test.c; then
+-      echo "Checking for return value of sprintf()... Yes." | tee -a configure.log
++      echo "Checking for return value of sprintf()... Yes." | tee -a ${LOG}
+     else
+       CFLAGS="$CFLAGS -DHAS_sprintf_void"
+       SFLAGS="$SFLAGS -DHAS_sprintf_void"
+-      echo "Checking for return value of sprintf()... No." | tee -a configure.log
+-      echo "  WARNING: apparently sprintf() does not return a value. zlib" | tee -a configure.log
+-      echo "  can build but will be open to possible string-format security" | tee -a configure.log
+-      echo "  vulnerabilities." | tee -a configure.log
++      echo "Checking for return value of sprintf()... No." | tee -a ${LOG}
++      echo "  WARNING: apparently sprintf() does not return a value. zlib" | tee -a ${LOG}
++      echo "  can build but will be open to possible string-format security" | tee -a ${LOG}
++      echo "  vulnerabilities." | tee -a ${LOG}
+     fi
+   fi
+ fi
+ 
+ if test "$gcc" -eq 1; then
+-  echo >> configure.log
++  echo >> ${LOG}
+   cat > $test.c <<EOF
+ #if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33)
+ #  define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
+@@ -621,52 +627,52 @@
+ }
+ EOF
+   if try $CC -c $CFLAGS $test.c; then
+-    echo "Checking for attribute(visibility) support... Yes." | tee -a configure.log
++    echo "Checking for attribute(visibility) support... Yes." | tee -a ${LOG}
+   else
+     CFLAGS="$CFLAGS -DNO_VIZ"
+     SFLAGS="$SFLAGS -DNO_VIZ"
+-    echo "Checking for attribute(visibility) support... No." | tee -a configure.log
++    echo "Checking for attribute(visibility) support... No." | tee -a ${LOG}
+   fi
+ fi
+ 
+ rm -f $test.[co] $test $test$shared_ext $test.gcno
+ 
+ # show the results in the log
+-echo >> configure.log
+-echo ALL = $ALL >> configure.log
+-echo AR = $AR >> configure.log
+-echo ARFLAGS = $ARFLAGS >> configure.log
+-echo CC = $CC >> configure.log
+-echo CFLAGS = $CFLAGS >> configure.log
+-echo CPP = $CPP >> configure.log
+-echo EXE = $EXE >> configure.log
+-echo LDCONFIG = $LDCONFIG >> configure.log
+-echo LDFLAGS = $LDFLAGS >> configure.log
+-echo LDSHARED = $LDSHARED >> configure.log
+-echo LDSHAREDLIBC = $LDSHAREDLIBC >> configure.log
+-echo OBJC = $OBJC >> configure.log
+-echo PIC_OBJC = $PIC_OBJC >> configure.log
+-echo RANLIB = $RANLIB >> configure.log
+-echo SFLAGS = $SFLAGS >> configure.log
+-echo SHAREDLIB = $SHAREDLIB >> configure.log
+-echo SHAREDLIBM = $SHAREDLIBM >> configure.log
+-echo SHAREDLIBV = $SHAREDLIBV >> configure.log
+-echo STATICLIB = $STATICLIB >> configure.log
+-echo TEST = $TEST >> configure.log
+-echo VER = $VER >> configure.log
+-echo exec_prefix = $exec_prefix >> configure.log
+-echo includedir = $includedir >> configure.log
+-echo libdir = $libdir >> configure.log
+-echo mandir = $mandir >> configure.log
+-echo prefix = $prefix >> configure.log
+-echo sharedlibdir = $sharedlibdir >> configure.log
+-echo uname = $uname >> configure.log
+-echo -------------------- >> configure.log
+-echo >> configure.log
+-echo >> configure.log
++echo >> ${LOG}
++echo ALL = $ALL >> ${LOG}
++echo AR = $AR >> ${LOG}
++echo ARFLAGS = $ARFLAGS >> ${LOG}
++echo CC = $CC >> ${LOG}
++echo CFLAGS = $CFLAGS >> ${LOG}
++echo CPP = $CPP >> ${LOG}
++echo EXE = $EXE >> ${LOG}
++echo LDCONFIG = $LDCONFIG >> ${LOG}
++echo LDFLAGS = $LDFLAGS >> ${LOG}
++echo LDSHARED = $LDSHARED >> ${LOG}
++echo LDSHAREDLIBC = $LDSHAREDLIBC >> ${LOG}
++echo OBJC = $OBJC >> ${LOG}
++echo PIC_OBJC = $PIC_OBJC >> ${LOG}
++echo RANLIB = $RANLIB >> ${LOG}
++echo SFLAGS = $SFLAGS >> ${LOG}
++echo SHAREDLIB = $SHAREDLIB >> ${LOG}
++echo SHAREDLIBM = $SHAREDLIBM >> ${LOG}
++echo SHAREDLIBV = $SHAREDLIBV >> ${LOG}
++echo STATICLIB = $STATICLIB >> ${LOG}
++echo TEST = $TEST >> ${LOG}
++echo VER = $VER >> ${LOG}
++echo exec_prefix = $exec_prefix >> ${LOG}
++echo includedir = $includedir >> ${LOG}
++echo libdir = $libdir >> ${LOG}
++echo mandir = $mandir >> ${LOG}
++echo prefix = $prefix >> ${LOG}
++echo sharedlibdir = $sharedlibdir >> ${LOG}
++echo uname = $uname >> ${LOG}
++echo -------------------- >> ${LOG}
++echo >> ${LOG}
++echo >> ${LOG}
+ 
+ # udpate Makefile
+-sed < Makefile.in "
++sed < $srcdir/Makefile.in "
+ /^CC *=/s#=.*#=$CC#
+ /^CFLAGS *=/s#=.*#=$CFLAGS#
+ /^SFLAGS *=/s#=.*#=$SFLAGS#
+@@ -693,9 +699,11 @@
+ /^PIC_OBJC *=/s#=.*#= $PIC_OBJC#
+ /^all: */s#:.*#: $ALL#
+ /^test: */s#:.*#: $TEST#
++/^builddir *=/s#=.*#=$builddir#
++/^srcdir *=/s#=.*#=$srcdir#
+ " > Makefile
+ 
+-sed < zlib.pc.in "
++sed < $srcdir/zlib.pc.in "
+ /^CC *=/s#=.*#=$CC#
+ /^CFLAGS *=/s#=.*#=$CFLAGS#
+ /^CPP *=/s#=.*#=$CPP#
+@@ -715,6 +723,8 @@
+ /^includedir *=/s#=.*#=$includedir#
+ /^mandir *=/s#=.*#=$mandir#
+ /^LDFLAGS *=/s#=.*#=$LDFLAGS#
++/^builddir *=/s#=.*#=$builddir#
++/^srcdir *=/s#=.*#=$srcdir#
+ " | sed -e "
+ s/\@VERSION\@/$VER/g;
+ " > zlib.pc
+diff -aruN a/Makefile.in b/Makefile.in
+--- a/Makefile.in	2012-01-28 14:48:50.000000000 -0800
++++ b/Makefile.in	2012-02-08 12:53:35.695989833 -0800
+@@ -45,6 +45,8 @@
+ SHELL=/bin/sh
+ EXE=
+ 
++builddir = .
++srcdir = .
+ prefix = /usr/local
+ exec_prefix = ${prefix}
+ libdir = ${exec_prefix}/lib
+@@ -55,6 +57,8 @@
+ pkgconfigdir = ${libdir}/pkgconfig
+ tempfile := $(shell mktemp -u __XXXXXX)
+ 
++VPATH = ${srcdir}
++
+ OBJZ = adler32.o crc32.o deflate.o infback.o inffast.o inflate.o inftrees.o trees.o zutil.o
+ OBJG = compress.o uncompr.o gzclose.o gzlib.o gzread.o gzwrite.o
+ OBJC = $(OBJZ) $(OBJG)
+@@ -111,8 +115,8 @@
+ 	fi
+ 	-@rm -f foo.gz
+ 
+-infcover.o: test/infcover.c zlib.h zconf.h
+-	$(CC) $(CFLAGS) -I. -c -o $@ test/infcover.c
++infcover.o: test/infcover.c $(srcdir)/zlib.h zconf.h
++	$(CC) $(CFLAGS) -I. -I$(srcdir) -c -o $@ test/infcover.c
+ 
+ infcover: infcover.o libz.a
+ 	$(CC) $(CFLAGS) -o $@ infcover.o libz.a
+@@ -138,17 +142,17 @@
+ 	mv _match.o match.lo
+ 	rm -f _match.s
+ 
+-example.o: test/example.c zlib.h zconf.h
+-	$(CC) $(CFLAGS) -I. -c -o $@ test/example.c
++example.o: $(srcdir)/test/example.c $(srcdir)/zlib.h zconf.h
++	$(CC) $(CFLAGS) -I. -I$(srcdir) -c -o $@ $(srcdir)/test/example.c
+ 
+-minigzip.o: test/minigzip.c zlib.h zconf.h
+-	$(CC) $(CFLAGS) -I. -c -o $@ test/minigzip.c
++minigzip.o: $(srcdir)/test/minigzip.c $(srcdir)/zlib.h zconf.h
++	$(CC) $(CFLAGS) -I. -I$(srcdir) -c -o $@ $(srcdir)/test/minigzip.c
+ 
+-example64.o: test/example.c zlib.h zconf.h
+-	$(CC) $(CFLAGS) -I. -D_FILE_OFFSET_BITS=64 -c -o $@ test/example.c
++example64.o: $(srcdir)/test/example.c $(srcdir)/zlib.h zconf.h
++	$(CC) $(CFLAGS) -I. -I$(srcdir) -D_FILE_OFFSET_BITS=64 -c -o $@ $(srcdir)/test/example.c
+ 
+-minigzip64.o: test/minigzip.c zlib.h zconf.h
+-	$(CC) $(CFLAGS) -I. -D_FILE_OFFSET_BITS=64 -c -o $@ test/minigzip.c
++minigzip64.o: test/minigzip.c $(srcdir)/zlib.h zconf.h
++	$(CC) $(CFLAGS) -I. -I$(srcdir) -D_FILE_OFFSET_BITS=64 -c -o $@ $(srcdir)/test/minigzip.c
+ 
+ .SUFFIXES: .lo
+ 
+@@ -201,7 +205,7 @@
+ 	  ln -s $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \
+ 	  ($(LDCONFIG) || true)  >/dev/null 2>&1; \
+ 	fi
+-	cp zlib.3 $(DESTDIR)$(man3dir)
++	cp $(srcdir)/zlib.3 $(DESTDIR)$(man3dir)
+ 	chmod 644 $(DESTDIR)$(man3dir)/zlib.3
+ 	cp zlib.pc $(DESTDIR)$(pkgconfigdir)
+ 	chmod 644 $(DESTDIR)$(pkgconfigdir)/zlib.pc
+@@ -210,7 +214,7 @@
+ 
+ install: install-libs
+ 	-@if [ ! -d $(DESTDIR)$(includedir)   ]; then mkdir -p $(DESTDIR)$(includedir); fi
+-	cp zlib.h zconf.h $(DESTDIR)$(includedir)
++	cp $(srcdir)/zlib.h zconf.h $(DESTDIR)$(includedir)
+ 	chmod 644 $(DESTDIR)$(includedir)/zlib.h $(DESTDIR)$(includedir)/zconf.h
+ 
+ uninstall:
+@@ -227,14 +231,14 @@
+ zlib.3.pdf: zlib.3
+ 	groff -mandoc -f H -T ps zlib.3 | ps2pdf - zlib.3.pdf
+ 
+-zconf.h.cmakein: zconf.h.in
++zconf.h.cmakein: $(srcdir)/zconf.h.in
+ 	-@echo "/#define ZCONF_H/ a\\\\\n#cmakedefine Z_PREFIX\\\\\n#cmakedefine Z_HAVE_UNISTD_H\n" > $(tempfile)
+-	-@sed -f $(tempfile) zconf.h.in > zconf.h.cmakein
+-	-@touch -r zconf.h.in zconf.h.cmakein
++	-@sed -f $(tempfile) $< > $@
++	-@touch -r $< $@
+ 	-@rm $(tempfile)
+ 
+-zconf: zconf.h.in
+-	cp -p zconf.h.in zconf.h
++zconf: $(srcdir)/zconf.h.in
++	cp -p $< zconf.h
+ 
+ mostlyclean: clean
+ clean:
diff --git a/zlib.patches/zlib-51.description b/zlib.patches/zlib-51.description
new file mode 100644
index 0000000..7e26145
--- /dev/null
+++ b/zlib.patches/zlib-51.description
@@ -0,0 +1 @@
+This patch ensures that the native version of libtool is selected rather than any GNU-based optional versions that might be installed and in the PATH such as /opt/local/bin or /usr/local/bin.
diff --git a/zlib.patches/zlib-51.patch b/zlib.patches/zlib-51.patch
new file mode 100644
index 0000000..85de4b0
--- /dev/null
+++ b/zlib.patches/zlib-51.patch
@@ -0,0 +1,12 @@
+diff -aruN a/configure b/configure
+--- a/configure	2012-02-08 13:48:51.000000000 -0800
++++ b/configure	2012-02-08 13:47:50.000000000 -0800
+@@ -212,7 +212,7 @@
+              SHAREDLIBV=libz.$VER$shared_ext
+              SHAREDLIBM=libz.$VER1$shared_ext
+              LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER3"}
+-             AR="libtool"
++             AR="/usr/bin/libtool"
+              ARFLAGS="-o" ;;
+   *)             LDSHARED=${LDSHARED-"$cc -shared"} ;;
+   esac
diff --git a/zlib.patches/zlib-52.description b/zlib.patches/zlib-52.description
new file mode 100644
index 0000000..1e703cf
--- /dev/null
+++ b/zlib.patches/zlib-52.description
@@ -0,0 +1 @@
+Update Makefile.in to use /usr/bin/install instead of straight copying for install target
diff --git a/zlib.patches/zlib-52.patch b/zlib.patches/zlib-52.patch
new file mode 100644
index 0000000..8b38f8b
--- /dev/null
+++ b/zlib.patches/zlib-52.patch
@@ -0,0 +1,69 @@
+diff -aruN a/zlib-1.2.6/Makefile.in b/zlib-1.2.6/Makefile.in
+--- a/zlib-1.2.6/Makefile.in	2014-06-10 12:01:33.545047312 -0700
++++ b/zlib-1.2.6/Makefile.in	2014-06-10 14:33:50.674540434 -0700
+@@ -17,7 +17,6 @@
+ #    make install prefix=$HOME
+ 
+ CC=cc
+-
+ CFLAGS=-O
+ #CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
+ #CFLAGS=-g -DDEBUG
+@@ -44,6 +43,7 @@
+ TAR=tar
+ SHELL=/bin/sh
+ EXE=
++INSTALL=/usr/bin/install -c -C
+ 
+ builddir = .
+ srcdir = .
+@@ -187,35 +187,28 @@
+ 	$(CC) $(CFLAGS) -o $@ minigzip64.o $(TEST_LDFLAGS)
+ 
+ install-libs: $(LIBS)
+-	-@if [ ! -d $(DESTDIR)$(exec_prefix)  ]; then mkdir -p $(DESTDIR)$(exec_prefix); fi
+-	-@if [ ! -d $(DESTDIR)$(libdir)       ]; then mkdir -p $(DESTDIR)$(libdir); fi
+-	-@if [ ! -d $(DESTDIR)$(sharedlibdir) ]; then mkdir -p $(DESTDIR)$(sharedlibdir); fi
+-	-@if [ ! -d $(DESTDIR)$(man3dir)      ]; then mkdir -p $(DESTDIR)$(man3dir); fi
+-	-@if [ ! -d $(DESTDIR)$(pkgconfigdir) ]; then mkdir -p $(DESTDIR)$(pkgconfigdir); fi
+-	cp $(STATICLIB) $(DESTDIR)$(libdir)
+-	chmod 644 $(DESTDIR)$(libdir)/$(STATICLIB)
++	@$(INSTALL) -d $(DESTDIR)$(exec_prefix)
++	@$(INSTALL) -d $(DESTDIR)$(libdir)
++	@$(INSTALL) -d $(DESTDIR)$(sharedlibdir)
++	@$(INSTALL) -d $(DESTDIR)$(man3dir)
++	@$(INSTALL) -d $(DESTDIR)$(pkgconfigdir)
++	@$(INSTALL) -m 644 $(STATICLIB) $(DESTDIR)$(libdir)
+ 	-@($(RANLIB) $(DESTDIR)$(libdir)/libz.a || true) >/dev/null 2>&1
+ 	-@if test -n "$(SHAREDLIBV)"; then \
+-	  cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir); \
+-	  echo "cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)"; \
+-	  chmod 755 $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBV); \
+-	  echo "chmod 755 $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBV)"; \
+-	  rm -f $(DESTDIR)$(sharedlibdir)/$(SHAREDLIB) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \
+-	  ln -s $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIB); \
+-	  ln -s $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \
++	  $(INSTALL) -m 755 $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir); \
++	  echo "$(INSTALL) -m 755 $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)"; \
++	  ln -sf $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIB); \
++	  ln -sf $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \
+ 	  ($(LDCONFIG) || true)  >/dev/null 2>&1; \
+ 	fi
+-	cp $(srcdir)/zlib.3 $(DESTDIR)$(man3dir)
+-	chmod 644 $(DESTDIR)$(man3dir)/zlib.3
+-	cp zlib.pc $(DESTDIR)$(pkgconfigdir)
+-	chmod 644 $(DESTDIR)$(pkgconfigdir)/zlib.pc
++	@$(INSTALL) -m 644 $(srcdir)/zlib.3 $(DESTDIR)$(man3dir)
++	@$(INSTALL) -m 644 zlib.pc $(DESTDIR)$(pkgconfigdir)
+ # The ranlib in install is needed on NeXTSTEP which checks file times
+ # ldconfig is for Linux
+ 
+ install: install-libs
+-	-@if [ ! -d $(DESTDIR)$(includedir)   ]; then mkdir -p $(DESTDIR)$(includedir); fi
+-	cp $(srcdir)/zlib.h zconf.h $(DESTDIR)$(includedir)
+-	chmod 644 $(DESTDIR)$(includedir)/zlib.h $(DESTDIR)$(includedir)/zconf.h
++	$(INSTALL) -d $(DESTDIR)$(includedir)
++	$(INSTALL) -m 644 $(srcdir)/zlib.h zconf.h $(DESTDIR)$(includedir)
+ 
+ uninstall:
+ 	cd $(DESTDIR)$(includedir); rm -f zlib.h zconf.h
diff --git a/zlib.tar.bz2 b/zlib.tar.bz2
new file mode 100644
index 0000000..c6479ba
--- /dev/null
+++ b/zlib.tar.bz2
Binary files differ
diff --git a/zlib.url b/zlib.url
new file mode 100644
index 0000000..9c929ec
--- /dev/null
+++ b/zlib.url
@@ -0,0 +1 @@
+http://www.zlib.net/zlib-1.2.6.tar.bz2
diff --git a/zlib.version b/zlib.version
new file mode 100644
index 0000000..3c43790
--- /dev/null
+++ b/zlib.version
@@ -0,0 +1 @@
+1.2.6