From d38b3dbceb07a642a3594971c629cb1e94b6f646 Mon Sep 17 00:00:00 2001
From: Youngsoo Choi <kenshin.choi@samsung.com>
Date: Tue, 17 Jul 2018 01:23:19 +0000
Subject: [PATCH] [Rom Size] Use system libpng

The libchromium-ewk.so size can be reduced by using system libpng.

Note that this adds libpng 1.6 which ubuntu doesn't have
so that the library can be used for desktop build by jhbuild.

Change-Id: Id92c55f172c0a9591e19e0838e942aec6527489f
Signed-off-by: Youngsoo Choi <kenshin.choi@samsung.com>
---
 third_party/.gitignore                  | 1 +
 tizen_src/build/gn_chromiumefl.sh       | 5 ++++-
 tizen_src/build/jhbuild/jhbuild.modules | 9 +++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/third_party/.gitignore b/third_party/.gitignore
index 4ddbdc9..9f4bdbf 100644
--- a/third_party/.gitignore
+++ b/third_party/.gitignore
@@ -115,6 +115,7 @@
 /libjpeg_turbo
 /liblouis/src
 /libphonenumber/dist
+/libpng
 /libsrtp
 /libsync/src
 /libupnp
diff --git a/tizen_src/build/gn_chromiumefl.sh b/tizen_src/build/gn_chromiumefl.sh
index 704f9d1..3b7786d 100755
--- a/tizen_src/build/gn_chromiumefl.sh
+++ b/tizen_src/build/gn_chromiumefl.sh
@@ -98,6 +98,10 @@ COMMON_GN_PARAMETERS="
                       # proprietary_codecs=true
                       # enable_plugins=true
 
+SYSTEM_DEPS="--system-libraries
+             libpng
+            "
+
 if [ "$building_xwalk" == "1" ] && [ "$building_xwalk_for_development" != "1" ]; then
   COMMON_GN_PARAMETERS+="
                          xwalk_link_against_chromium_ewk=true
@@ -246,7 +250,6 @@ _GN_ARGS="
     --dotfile=${TOPDIR}/tizen_src/.gn
     --args=
     $COMMON_GN_PARAMETERS
-    $SYSTEM_DEPS
     $ADDITIONAL_GN_PARAMETERS
     $EXTRA_GN_ARGS
     "
diff --git a/tizen_src/build/jhbuild/jhbuild.modules b/tizen_src/build/jhbuild/jhbuild.modules
index d30a2ab..a02f9d3 100755
--- a/tizen_src/build/jhbuild/jhbuild.modules
+++ b/tizen_src/build/jhbuild/jhbuild.modules
@@ -26,6 +26,8 @@
       href="http://git.gnome.org/"/>
   <repository type="tarball" name="gstreamer"
       href="http://gstreamer.freedesktop.org/src/"/>
+  <repository type="tarball" name="sourceforge.net"
+      href="http://sourceforge.net"/>
   <repository type="tarball" name="sourceware.org"
       href="http://sourceware.org"/>
   <repository type="tarball" name="freedesktop.org"
@@ -123,6 +125,13 @@
             md5sum="5abb364f2a0babe2ec1e3a6d59f69043"/>
   </autotools>
 
+  <autotools id="libpng" autogen-sh="configure">
+    <branch module="projects/libpng/files/libpng16/1.6.34/libpng-1.6.34.tar.xz" version="1.6.34"
+            repo="sourceforge.net"
+            md5sum="c05b6ca7190a5e387b78657dbe5536b2">
+    </branch>
+  </autotools>
+
   <autotools id="libsoup"
              autogen-sh="configure"
              autogenargs="--without-gnome --disable-introspection">
-- 
2.7.4