Bug 750869 - Build system support for --enable-webrtc for Android (off by default). r=ted

configure.in

@@ -5254,6 +5254,20 @@ if test -n "$MOZ_WEBRTC"; then
     MOZ_VP8=1
     MOZ_VP8_ENCODER=1
     MOZ_VP8_ERROR_CONCEALMENT=1
+
+    dnl OpenSLES is only available in Android 2.3 and later; we'll change this
+    dnl hard dependency to a dynamic load with graceful runtime failure before
+    dnl we make --enable-webrtc on by default in Android (bug 815905)
+    dnl 
+    if test "$OS_TARGET" = "Android"; then
+       LDFLAGS="$LDFLAGS -lOpenSLES"
+    fi
+    case "$target" in
+    *-android*|*-linuxandroid*)
+       LDFLAGS="$LDFLAGS -lOpenSLES"
+       ;;
+    esac
+
 dnl enable once Signaling lands
     MOZ_WEBRTC_SIGNALING=1
     AC_DEFINE(MOZ_WEBRTC_SIGNALING)
@@ -8852,6 +8866,28 @@ echo $MAKEFILES > unallmakefiles
 
 AC_OUTPUT($MAKEFILES)
 
+# target_arch is from {ia32|x64|arm}
+case "$CPU_ARCH" in
+x86_64 | ia64)
+    WEBRTC_TARGET_ARCH=x64
+    ;;
+
+arm*)
+    WEBRTC_TARGET_ARCH=arm
+    ;;
+
+x86)
+    WEBRTC_TARGET_ARCH=ia32
+    ;;
+
+*)
+# unsupported arch for webrtc
+    WEBRTC_TARGET_ARCH=unknown
+    MOZ_WEBRTC=
+    ;;
+
+esac
+
 # Generate Makefiles for WebRTC directly from .gyp files
 if test "${OS_TARGET}" = "WINNT"; then
    if test "$HAVE_64BIT_OS"; then
@@ -8860,6 +8896,9 @@ if test "${OS_TARGET}" = "WINNT"; then
       OS_BITS=32
    fi
    EXTRA_GYP_DEFINES="-D MSVS_VERSION=${_MSVS_VERSION} -D MSVS_OS_BITS=${OS_BITS}"
+
+elif test "${OS_TARGET}" = "Android"; then
+   EXTRA_GYP_DEFINES="-D gtest_target_type=executable -D android_toolchain=${android_toolchain} -G os=android "
 fi
 
 if test -n "$MOZ_WEBRTC"; then
@@ -8869,7 +8908,7 @@ dnl Any --include files must also appear in -D FORCED_INCLUDE_FILE= entries
 dnl so that regeneration via dependencies works correctly
    WEBRTC_CONFIG="-D build_with_mozilla=1 --include ${srcdir}/media/webrtc/webrtc_config.gypi -D FORCED_INCLUDE_FILE=${srcdir}/media/webrtc/webrtc_config.gypi"
 
-   GYP_WEBRTC_OPTIONS="--format=mozmake ${WEBRTC_CONFIG} ${EXTRA_GYP_DEFINES} --depth=${srcdir}/media/webrtc/trunk --toplevel-dir=${srcdir} -G OBJDIR=${_objdir}"
+   GYP_WEBRTC_OPTIONS="--format=mozmake ${WEBRTC_CONFIG} -D target_arch=${WEBRTC_TARGET_ARCH} ${EXTRA_GYP_DEFINES} --depth=${srcdir}/media/webrtc/trunk --toplevel-dir=${srcdir} -G OBJDIR=${_objdir}"
 
    $PYTHON ${srcdir}/media/webrtc/trunk/build/gyp_chromium \
      $GYP_WEBRTC_OPTIONS \

media/webrtc/shared_libs.mk

@@ -28,13 +28,11 @@ WEBRTC_LIBS = \
   $(call EXPAND_LIBNAME_PATH,bitrate_controller,$(DEPTH)/media/webrtc/trunk/src/modules/modules_bitrate_controller) \
   $(call EXPAND_LIBNAME_PATH,remote_bitrate_estimator,$(DEPTH)/media/webrtc/trunk/src/modules/modules_remote_bitrate_estimator) \
   $(call EXPAND_LIBNAME_PATH,video_processing,$(DEPTH)/media/webrtc/trunk/src/modules/modules_video_processing) \
-  $(call EXPAND_LIBNAME_PATH,video_processing_sse2,$(DEPTH)/media/webrtc/trunk/src/modules/modules_video_processing_sse2) \
   $(call EXPAND_LIBNAME_PATH,voice_engine_core,$(DEPTH)/media/webrtc/trunk/src/voice_engine/voice_engine_voice_engine_core) \
   $(call EXPAND_LIBNAME_PATH,audio_conference_mixer,$(DEPTH)/media/webrtc/trunk/src/modules/modules_audio_conference_mixer) \
   $(call EXPAND_LIBNAME_PATH,audio_device,$(DEPTH)/media/webrtc/trunk/src/modules/modules_audio_device) \
   $(call EXPAND_LIBNAME_PATH,audio_processing,$(DEPTH)/media/webrtc/trunk/src/modules/modules_audio_processing) \
   $(call EXPAND_LIBNAME_PATH,aec,$(DEPTH)/media/webrtc/trunk/src/modules/modules_aec) \
-  $(call EXPAND_LIBNAME_PATH,aec_sse2,$(DEPTH)/media/webrtc/trunk/src/modules/modules_aec_sse2) \
   $(call EXPAND_LIBNAME_PATH,apm_util,$(DEPTH)/media/webrtc/trunk/src/modules/modules_apm_util) \
   $(call EXPAND_LIBNAME_PATH,aecm,$(DEPTH)/media/webrtc/trunk/src/modules/modules_aecm) \
   $(call EXPAND_LIBNAME_PATH,agc,$(DEPTH)/media/webrtc/trunk/src/modules/modules_agc) \
@@ -45,6 +43,16 @@ WEBRTC_LIBS = \
   $(call EXPAND_LIBNAME_PATH,nrappkit,$(DEPTH)/media/mtransport/third_party/nrappkit/nrappkit_nrappkit) \
   $(NULL)
 
+# if we're on an intel arch, we want SSE2 optimizations
+ifneq (,$(INTEL_ARCHITECTURE))
+WEBRTC_LIBS += \
+  $(call EXPAND_LIBNAME_PATH,video_processing_sse2,$(DEPTH)/media/webrtc/trunk/src/modules/modules_video_processing_sse2) \
+  $(call EXPAND_LIBNAME_PATH,aec_sse2,$(DEPTH)/media/webrtc/trunk/src/modules/modules_aec_sse2) \
+  $(NULL)
+endif
+
+
+
 # If you enable one of these codecs in webrtc_config.gypi, you'll need to re-add the
 # relevant library from this list:
 #

media/webrtc/trunk/build/common.gypi

@@ -2224,18 +2224,22 @@
                     ],
                   }],
                 ],
-                # -mmmx allows mmintrin.h to be used for mmx intrinsics.
+               'target_conditions': [
-                # video playback is mmx and sse2 optimized.
+                 ['_toolset=="target" and OS!="android"', {
-                'cflags': [
+                    # -mmmx allows mmintrin.h to be used for mmx intrinsics.
-                  '-m32',
+                    # video playback is mmx and sse2 optimized.
-                  '-mmmx',
+                    'cflags': [
-                ],
+                      '-m32',
-                'ldflags': [
+                      '-mmmx',
-                  '-m32',
+                    ],
-                ],
+                    'ldflags': [
-                'cflags_mozilla': [
+                      '-m32',
-                  '-m32',
+                    ],
-                  '-mmmx',
+                    'cflags_mozilla': [
+                      '-m32',
+                      '-mmmx',
+                    ],
+                  }],
                 ],
               }],
             ],
@@ -2592,6 +2596,8 @@
           # TODO: The proper thing to do longer-tem would be proper gyp
           # support for a custom link command line.
           ['_toolset=="target"', {
+           'conditions': [
+           ['build_with_mozilla==0', {
             'cflags!': [
               '-pthread',  # Not supported by Android toolchain.
             ],
@@ -2605,12 +2611,6 @@
               '-Wa,--noexecstack',
               '<@(release_extra_cflags)',
             ],
-            'defines': [
-              'ANDROID',
-              '__GNU_SOURCE=1',  # Necessary for clone()
-              'USE_STLPORT=1',
-              '_STLP_USE_PTR_SPECIALIZATIONS=1',
-            ],
             'ldflags!': [
               '-pthread',  # Not supported by Android toolchain.
             ],
@@ -2752,7 +2752,17 @@
                 ],
               }],
             ],
-          }],
+
+           }], # build_with_mozilla== 0
+
+            ],
+            'defines': [
+              'ANDROID',
+              '__GNU_SOURCE=1',  # Necessary for clone()
+              'USE_STLPORT=1',
+              '_STLP_USE_PTR_SPECIALIZATIONS=1',
+            ],
+           }],
           # Settings for building host targets using the system toolchain.
           ['_toolset=="host"', {
             'cflags!': [