Fix target_arch for ios devices

talk/app/webrtc/objc/README

Index: talk/app/webrtc/objc/README
diff --git a/talk/app/webrtc/objc/README b/talk/app/webrtc/objc/README
index 692fbbc5643d2552b32ac02b71e8a2ecbcb67124..8dc8b371609edb63f5a3c797349b34329bde3810 100644
--- a/talk/app/webrtc/objc/README
+++ b/talk/app/webrtc/objc/README
@@ -18,11 +18,21 @@ function wrbase() {
 
 function wrios() {
   wrbase
-  export GYP_DEFINES="$GYP_DEFINES OS=ios target_arch=armv7"
+  export GYP_DEFINES="$GYP_DEFINES OS=ios"
   export GYP_GENERATOR_FLAGS="$GYP_GENERATOR_FLAGS output_dir=out_ios"
   export GYP_CROSSCOMPILE=1
 }
 
+function wrios32() {
+  export GYP_DEFINES="$GYP_DEFINES target_arch=arm"

[tkchin_webrtc, 2015/10/27 17:00:19]

wrios first then the export

+  wrios
+}
+
+function wrios64() {
+  export GYP_DEFINES="$GYP_DEFINES target_arch=arm64"
+  wrios
+}
+
 function wrsim() {
   wrbase
   export GYP_DEFINES="$GYP_DEFINES OS=ios target_arch=ia32"

[tkchin_webrtc, 2015/10/27 17:00:19]

this might need a target_subarch=arm32

@@ -53,8 +63,11 @@ Example of building & using the unittest & app:
   wrsim && gclient runhooks && ninja -C out_sim/Debug iossim AppRTCDemo && \
       ./out_sim/Debug/iossim out_sim/Debug/AppRTCDemo.app
 
-- To build & sign the sample app for an iOS device:
-  wrios && gclient runhooks && ninja -C out_ios/Debug-iphoneos AppRTCDemo
+- To build & sign the sample app for an iOS device (32 bit):
+  wrios32 && gclient runhooks && ninja -C out_ios/Debug-iphoneos AppRTCDemo

[tkchin_webrtc, 2015/10/27 17:00:19]

wrios32 && webrtc/build/gyp_webrtc && ninja -C out_ios/Debug-iphoneos AppRTCDemo

+
+- To build & sign the sample app for an iOS device (64 bit):
+  wrios64 && gclient runhooks && ninja -C out_ios/Debug-iphoneos AppRTCDemo
 
 - To install the sample app on an iOS device:

[tkchin_webrtc, 2015/10/27 17:00:19]

Delete this section

   ideviceinstaller -i out_ios/Debug-iphoneos/AppRTCDemo.app