Merge remote-tracking branch 'origin/master' into soc-2016-uv_toolssoc-2016-uv_tools

1 files changed, 41 insertions, 0 deletions

diff --git a/build_files/build_environment/cmake/png.cmake b/build_files/build_environment/cmake/png.cmake
new file mode 100644
index 00000000000..8d6fee871f9
--- /dev/null
+++ b/build_files/build_environment/cmake/png.cmake
@@ -0,0 +1,41 @@
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****
+
+set(PNG_EXTRA_ARGS
+	-DZLIB_LIBRARY=${LIBDIR}/zlib/lib/${ZLIB_LIBRARY}
+	-DZLIB_INCLUDE_DIR=${LIBDIR}/zlib/include/
+	-DPNG_STATIC=ON
+)
+
+ExternalProject_Add(external_png
+	URL ${PNG_URI}
+	DOWNLOAD_DIR ${DOWNLOAD_DIR}
+	URL_HASH MD5=${PNG_HASH}
+	PREFIX ${BUILD_DIR}/png
+	CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/png ${DEFAULT_CMAKE_FLAGS} ${PNG_EXTRA_ARGS}
+	INSTALL_DIR	${LIBDIR}/png
+)
+
+add_dependencies(external_png external_zlib)
+
+if(BUILD_MODE STREQUAL Debug)
+	ExternalProject_Add_Step(external_png after_install
+		COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/png/lib/libpng16_staticd${LIBEXT} ${LIBDIR}/png/lib/libpng16${LIBEXT}
+		DEPENDEES install
+	)
+endif()