Project import
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..cbb277a
--- /dev/null
+++ b/Makefile
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+#
+#    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 Portable Network Graphics
+#      (PNG) reference library.
+#
+
+BuildConfigSpecialized	:= No
+BuildProductSpecialized	:= No
+
+include pre.mak
+
+PackageName		:= libpng
+
+PackageExtension	:= tar.gz
+PackageSeparator	:= -
+
+PackagePatchArgs	:= -p1
+
+PackageArchive		:= $(PackageName).$(PackageExtension)
+PackageSourceDir	:= $(PackageName)$(PackageSeparator)$(PackageVersion)
+
+PackageBuildMakefile	= $(call GenerateBuildPaths,Makefile)
+
+CleanPaths		+= $(PackageLicenseFile)
+
+ZlibIncDir      	:= $(call GenerateResultPaths,sw/tps/zlib,usr/include)
+ZlibLibDir      	:= $(call GenerateResultPaths,sw/tps/zlib,usr/lib)
+
+all: $(PackageDefaultGoal)
+
+# Generate the package license contents.
+
+$(PackageSourceDir)/LICENSE: source
+
+$(PackageLicenseFile): $(PackageSourceDir)/LICENSE
+	$(copy-result)
+
+# Extract the source from the archive and apply patches, if any.
+
+$(PackageSourceDir): $(PackageArchive) $(PackagePatchPaths)
+	$(expand-and-patch-package)
+
+# Prepare the sources.
+
+.PHONY: source
+source: | $(PackageSourceDir)
+
+# Patch the sources, if necessary.
+
+.PHONY: patch
+patch: source
+
+# Generate the package build makefile.
+
+$(PackageBuildMakefile): | $(PackageSourceDir) $(BuildDirectory) $(ResultDirectory)
+	$(Verbose)cd $(BuildDirectory) && \
+	$(CURDIR)/$(PackageSourceDir)/configure \
+	CC="$(CC)" CXX="$(CXX)" AR=$(AR) NM=$(NM) RANLIB=$(RANLIB) STRIP=$(STRIP) \
+	INSTALL="$(INSTALL) $(INSTALLFLAGS)" \
+	CPPFLAGS="$(CPPOPTFLAGS) \
+	$(call ToolGenerateIncludeArgument,$(ZlibIncDir))" \
+	LDFLAGS=$(call ToolGenerateLibraryPathArgument,$(ZlibLibDir)) \
+	--build=$(HostTuple) \
+	--host=$(TargetTuple) \
+	--prefix=/usr \
+	--sysconfdir=/etc \
+	--localstatedir=/var \
+	--disable-static
+
+# Configure the source for building.
+
+.PHONY: configure
+configure: source $(PackageBuildMakefile)
+
+# Build the source.
+#
+# We have to unset MAKEFLAGS since they confuse the package build otherwise.
+
+.PHONY: build
+build: configure
+	$(Verbose)unset MAKEFLAGS && \
+	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory) all
+
+# Stage the build to a temporary installation area.
+#
+# We have to unset MAKEFLAGS since they confuse the package build otherwise.
+#
+# We explictly remove 'libpng14.la' because some packages that depend
+# on libcurl use libtool. If libtool finds a '*.la' file for a
+# library, it uses the value of 'libdir=<dir>' it finds. In our case,
+# since '--prefix=/usr' this value is '/usr/lib'. It then resolves
+# '-lpng' to '/usr/lib/libpng14.so'. In a cross-compilation
+# environment, this is likely to be neither the right architecture nor
+# the right version to link against. In short, we lose.
+#
+# We could also handle this by removing DESTDIR and setting the prefix
+# to $(ResultDirectory); however, that results in libtool hard-coding
+# $(ResultDirectory) as the RPATH in the linked executables which is
+# NOT what we want either. We lose again.
+#
+# By removing the '*.la' file, we win by ensuring neither a misdirected
+# link nor an RPATH.
+
+.PHONY: stage
+stage: build | $(ResultDirectory)
+	$(Verbose)unset MAKEFLAGS && \
+	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory) DESTDIR=$(ResultDirectory) install
+	$(Verbose)$(RM) $(RMFLAGS) $(call GenerateResultPaths,,usr/lib/libpng.la usr/lib/libpng14.la)
+
+clean:
+	$(Verbose)$(RM) $(RMFLAGS) -r $(PackageSourceDir)
+	$(Verbose)$(RM) $(RMFLAGS) -r $(BuildDirectory)
+	$(Verbose)$(RM) $(RMFLAGS) -r $(ResultDirectory)
+
+include post.mak
diff --git a/libpng.tar.gz b/libpng.tar.gz
new file mode 100644
index 0000000..7f8363f
--- /dev/null
+++ b/libpng.tar.gz
Binary files differ
diff --git a/libpng.url b/libpng.url
new file mode 100644
index 0000000..7f12d5c
--- /dev/null
+++ b/libpng.url
@@ -0,0 +1 @@
+http://download.sourceforge.net/libpng/libpng-1.4.3.tar.gz
diff --git a/libpng.version b/libpng.version
new file mode 100644
index 0000000..428b770
--- /dev/null
+++ b/libpng.version
@@ -0,0 +1 @@
+1.4.3