Add auto download cereal library support

Change-Id: Iab0fe5ca9c64849d215dfcf1ec99a4f834cb26f8 Signed-off-by: Caiwen Zhang<[email protected]> Reviewed-on: https://gerrit.iotivity.org/gerrit/328 Tested-by: jenkins-iotivity <[email protected]> Reviewed-by: Sashi Penta <[email protected]> Reviewed-by: Patrick Lankswert <[email protected]>
mandeepshetty · Feb 12, 2015 · 2f1a2e9 · 2f1a2e9
1 parent 529bb98
commit 2f1a2e9
Showing 1 changed file with 14 additions and 6 deletions.
diff --git a/extlibs/cereal/SConscript b/extlibs/cereal/SConscript
@@ -18,16 +18,24 @@ cur = src_dir + '/extlibs/cereal/cereal/include'
 
 # check 'cereal' library, if it doesn't exits, ask user to download it
 if not os.path.exists(old) and not os.path.exists(cur):
-	print '''
+	cereal_env = Environment(ENV = os.environ)
+	c = cereal_env.Action(['git clone https://github.com/USCiLab/cereal.git cereal',
+		'cd cereal && git reset --hard 7121e91e6ab8c3e6a6516d9d9c3e6804e6f65245 && git apply ../../../resource/patches/cereal_gcc46.patch',
+		])
+
+	print 'Downloading cereal library ...'
+	if cereal_env.Execute(c):
+		print '''
 *********************************** Error: ************************************
-*  'Cereal' library doesn't exist. please download cereal to extlibs directory*
-* add apply the patch as following:                                           *
+* Please download cereal and apply the patch as following:                    *
 *     $ git clone https://github.com/USCiLab/cereal.git extlibs/cereal/cereal *
 *     $ cd  extlibs/cereal/cereal                                             *
 *     $ git reset --hard 7121e91e6ab8c3e6a6516d9d9c3e6804e6f65245             *
 *     $ git apply ../../../resource/patches/cereal_gcc46.patch                *
 *******************************************************************************
 '''
-	Exit(1)
-else:
-	env.AppendUnique(CPPPATH = [old, cur])
+		Exit(1)
+	else:
+		print 'Download cereal library complete'
+
+env.AppendUnique(CPPPATH = [old, cur])