diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..61b4558
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,91 @@
+#
+#    Copyright (c) 2010-2011 Nest, 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 make file tzcode and tzdata, executables and
+#      data required for the implementation of standard local time
+#      for many representative locations around the globe.
+#
+
+.NOTPARALLEL:
+
+
+include pre.mak
+
+SubMakefiles		:= tzcode.mak	\
+			   tzdata.mak
+
+# Override the build directory so that the three make files that make
+# up this collective package all build in the same directory.
+
+BuildDirectory		:= $(call GenerateConditionalBuildQualifiedDirectory,$(BuildBaseDirectory))
+
+all: $(PackageDefaultGoal)
+
+# Prepare the sources. While there's nothing to do here, we need to
+# recurse through the sub-make files.
+
+$(BuildDirectory)/source: $(SubMakefiles) | $(BuildDirectory)
+	$(Verbose)touch $@
+
+# Patch the sources, if necessary (nothing to do, this is handled by
+# the sub-make files).
+
+$(BuildDirectory)/patch: $(BuildDirectory)/source | $(BuildDirectory)
+	$(Verbose)touch $@
+
+# Configure the source for building (nothing to do, this is handled by
+# the sub-make files).
+
+$(BuildDirectory)/configure: $(BuildDirectory)/source | $(BuildDirectory)
+	$(Verbose)touch $@
+
+# Build the source.
+#
+# We have to unset MAKEFLAGS since they confuse the package build otherwise.
+
+$(BuildDirectory)/build: $(BuildDirectory)/configure | $(ResultDirectory) $(BuildDirectory)
+	$(Verbose)unset MAKEFLAGS &&	\
+	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory)	\
+	INSTALL="$(INSTALL) $(INSTALLFLAGS)" \
+	TOPDIR=$(ResultDirectory)	\
+	all
+	$(Verbose)touch $@
+
+# Stage the build to a temporary installation area.
+
+$(BuildDirectory)/stage: $(BuildDirectory)/stage-default $(BuildDirectory)/stage-header
+
+# We have to unset MAKEFLAGS since they confuse the package build otherwise.
+
+$(BuildDirectory)/stage-default: $(BuildDirectory)/build | $(ResultDirectory) $(BuildDirectory)
+	$(Verbose)unset MAKEFLAGS &&	\
+	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory)	\
+	INSTALL="$(INSTALL) $(INSTALLFLAGS)" \
+	TOPDIR=$(ResultDirectory)	\
+	install
+	$(Verbose)touch $@
+
+# Other packages depend on the header, tzfile.h. Manually and
+# explicitly stage this in the results directory so they can find it.
+
+$(BuildDirectory)/stage-header: $(BuildDirectory)/build | $(ResultDirectory) $(BuildDirectory)
+	$(Verbose)$(INSTALL) $(INSTALLFLAGS) -d $(call GenerateResultPaths,,usr/include)
+	$(Verbose)$(INSTALL) $(INSTALLFLAGS) $(BuildDirectory)/tzfile.h $(call GenerateResultPaths,,usr/include/tzfile.h)
+	$(Verbose)touch $@
+
+.PHONY: stage
+stage: $(BuildDirectory)/stage
+
+clean:
+	$(Verbose)$(RM) $(RMFLAGS) -r $(ResultDirectory)
+
+include post.mak
diff --git a/tzcode.mak b/tzcode.mak
new file mode 100644
index 0000000..fe7270e
--- /dev/null
+++ b/tzcode.mak
@@ -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 make file tzcode, executables required for
+#      the implementation of standard local time for many
+#      representative locations around the globe.
+#
+
+include pre.mak
+
+# Override the build directory so that the three make files that make
+# up this collective package all build in the same directory.
+
+BuildDirectory		:= $(call GenerateConditionalBuildQualifiedDirectory,$(BuildBaseDirectory))
+
+PackageName		:= tzcode
+
+PackageExtension	:= tar.gz
+PackageSeparator	:=
+
+PackagePatchArgs	:= -p1
+
+PackageArchive		:= $(PackageName).$(PackageExtension)
+PackageSourceDir	:= $(PackageName)$(PackageSeparator)$(PackageVersion)
+
+PackageBuildMakefile	:= $(call GenerateBuildPaths,Makefile)
+
+PackageLicenseInputs	:= $(PackageSourceDir)/tzfile.h
+
+CleanPaths		+= $(PackageLicenseFile)
+
+SOURCEDIRS                      = $(PackageSourceDir)
+$(PackageSourceDir)_RULE_TARGET = $(BuildDirectory)/configure
+
+all: $(PackageDefaultGoal)
+
+# Generate the package license contents.
+
+$(PackageLicenseInputs): $(BuildDirectory)/source
+
+$(PackageLicenseFile): $(PackageLicenseInputs)
+	$(Verbose)$(SED) -n -e '/^\/\*/,/\*\/$$/{;p;/\*\/$$/q;}' < $< > $@
+
+# Extract the source from the archive and apply patches, if any.
+#
+# Unlike most third-party software packages, the tzcode archive does not
+# contain a directory that encloses its sources. So, we have to create one
+# manually to avoid cluttering up our "glue" directory with its sources.
+
+$(PackageSourceDir): $(PackageArchive) $(PackagePatchPaths)
+	$(create-directory)
+	$(call expand-archive,$(PackageArchive),$(@))
+	$(Verbose)touch $(@)
+	$(call patch-directory,$(@),$(PackagePatchArgs),$(PackagePatchPaths))
+
+# Prepare the sources.
+
+$(BuildDirectory)/source: | $(PackageSourceDir)
+	$(Verbose)touch $@
+
+# Patch the sources, if necessary.
+
+$(BuildDirectory)/patch: $(BuildDirectory)/source
+	$(Verbose)touch $@
+
+# Generate the package build makefile.
+
+$(PackageBuildMakefile): | $(PackageSourceDir) $(BuildDirectory)
+	$(call create-links,$(CURDIR)/$(PackageSourceDir),$(BuildDirectory))
+
+# Configure the source for building.
+
+$(BuildDirectory)/configure: $(BuildDirectory)/source $(PackageBuildMakefile)
+	$(Verbose)touch $@
+
+# Build the source (there's nothing to do here).
+
+$(BuildDirectory)/build: $(BuildDirectory)/configure
+	$(Verbose)touch $@
+
+# Stage the build to a temporary installation area (there's nothing to
+# do here).
+
+$(BuildDirectory)/stage: $(BuildDirectory)/build
+	$(Verbose)touch $@
+
+.PHONY: stage
+stage: $(BuildDirectory)/stage
+
+clean:
+	$(Verbose)$(RM) $(RMFLAGS) -r $(PackageSourceDir)
+	$(Verbose)$(RM) $(RMFLAGS) -r $(BuildDirectory)
+
+include post.mak
diff --git a/tzcode.tar.gz b/tzcode.tar.gz
new file mode 100644
index 0000000..75b91e1
--- /dev/null
+++ b/tzcode.tar.gz
Binary files differ
diff --git a/tzcode.url b/tzcode.url
new file mode 100644
index 0000000..5c28c74
--- /dev/null
+++ b/tzcode.url
@@ -0,0 +1 @@
+https://www.iana.org/time-zones/repository/releases/tzcode2015g.tar.gz
diff --git a/tzcode.version b/tzcode.version
new file mode 100644
index 0000000..6d1891e
--- /dev/null
+++ b/tzcode.version
@@ -0,0 +1 @@
+2015g
diff --git a/tzdata.mak b/tzdata.mak
new file mode 100644
index 0000000..0cb4529
--- /dev/null
+++ b/tzdata.mak
@@ -0,0 +1,93 @@
+#
+#    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 make file tzdata, data required for
+#      the implementation of standard local time for many
+#      representative locations around the globe.
+#
+
+
+include pre.mak
+
+# Override the build directory so that the three make files that make
+# up this collective package all build in the same directory.
+
+BuildDirectory		:= $(call GenerateConditionalBuildQualifiedDirectory,$(BuildBaseDirectory))
+
+PackageName		:= tzdata
+
+PackageExtension	:= tar.gz
+PackageSeparator	:=
+
+PackagePatchArgs	:= -p1
+
+PackageArchive		:= $(PackageName).$(PackageExtension)
+PackageSourceDir	:= $(PackageName)$(PackageSeparator)$(PackageVersion)
+
+PackageBuildScript	:= $(call GenerateBuildPaths,yearistype.sh)
+
+SOURCEDIRS                      = $(PackageSourceDir)
+$(PackageSourceDir)_RULE_TARGET = $(BuildDirectory)/configure
+
+all: $(PackageDefaultGoal)
+
+# Extract the source from the archive and apply patches, if any.
+#
+# Unlike most third-party software packages, the tzdata archive does not
+# contain a directory that encloses its sources. So, we have to create one
+# manually to avoid cluttering up our "glue" directory with its sources.
+
+$(PackageSourceDir): $(PackageArchive) $(PackagePatchPaths)
+	$(create-directory)
+	$(call expand-archive,$(PackageArchive),$(@))
+	$(Verbose)touch $(@)
+	$(call patch-directory,$(@),$(PackagePatchArgs),$(PackagePatchPaths))
+
+# Prepare the sources.
+
+$(BuildDirectory)/source: | $(PackageSourceDir)
+	$(Verbose)touch $@
+
+# Patch the sources, if necessary.
+
+$(BuildDirectory)/patch: $(BuildDirectory)/source
+	$(Verbose)touch $@
+
+# Generate the package build makefile.
+
+$(PackageBuildScript): | $(PackageSourceDir) $(BuildDirectory)
+	$(call create-links,$(CURDIR)/$(PackageSourceDir),$(BuildDirectory))
+
+# Configure the source for building.
+
+$(BuildDirectory)/configure: $(BuildDirectory)/source $(PackageBuildScript)
+	$(Verbose)touch $@
+
+# Build the source (there's nothing to do here).
+
+$(BuildDirectory)/build: $(BuildDirectory)/configure
+	$(Verbose)touch $@
+
+# Stage the build to a temporary installation area (there's nothing to
+# do here).
+
+$(BuildDirectory)/stage: $(BuildDirectory)/build
+	$(Verbose)touch $@
+
+.PHONY: stage
+stage: $(BuildDirectory)/stage
+
+clean:
+	$(Verbose)$(RM) $(RMFLAGS) -r $(PackageSourceDir)
+	$(Verbose)$(RM) $(RMFLAGS) -r $(BuildDirectory)
+
+include post.mak
diff --git a/tzdata.tar.gz b/tzdata.tar.gz
new file mode 100644
index 0000000..26908de
--- /dev/null
+++ b/tzdata.tar.gz
Binary files differ
diff --git a/tzdata.url b/tzdata.url
new file mode 100644
index 0000000..94dc4f3
--- /dev/null
+++ b/tzdata.url
@@ -0,0 +1 @@
+https://www.iana.org/time-zones/repository/releases/tzdata2015g.tar.gz
diff --git a/tzdata.version b/tzdata.version
new file mode 100644
index 0000000..6d1891e
--- /dev/null
+++ b/tzdata.version
@@ -0,0 +1 @@
+2015g