build: support android build on ndk version equal or above 23

change scripts and sources for android build, don't need standalone
toolchain after ndk 19, and use clang as default android target
compiler.

PR-URL: #31521
Reviewed-By: Christian Clauss <cclauss@me.com>

android-configure

@@ -8,72 +8,78 @@
 # modules with npm. Also, don't forget to set the arch in npm config using
 # 'npm config set arch=<arch>'
 
+if [ $# -ne 3 ]; then
+  echo "$0 should have 3 parameters: ndk_path, target_arch and sdk_version"
+  exit 1
+fi
+
+NDK_PATH=$1
+ARCH="$2"
+ANDROID_SDK_VERSION=$3
 
-if [ -z "$2" ]; then
-    ARCH=arm
-else
-    ARCH="$2"
+if [ $ANDROID_SDK_VERSION -lt 23 ]; then
+  echo "$ANDROID_SDK_VERSION should equal or later than 23(Android 6.0)"
 fi
 
 CC_VER="4.9"
+
 case $ARCH in
     arm)
-        DEST_CPU="$ARCH"
-        SUFFIX="$ARCH-linux-androideabi"
-        TOOLCHAIN_NAME="$SUFFIX"
+        DEST_CPU="arm"
+        TOOLCHAIN_NAME="armv7-linux-androideabi"
         ;;
     x86)
         DEST_CPU="ia32"
-        SUFFIX="i686-linux-android"
-        TOOLCHAIN_NAME="$ARCH"
+        TOOLCHAIN_NAME="i686-linux-android"
         ;;
     x86_64)
-        DEST_CPU="ia32"
-        SUFFIX="$ARCH-linux-android"
-        TOOLCHAIN_NAME="$ARCH"
+        DEST_CPU="x64"
+        TOOLCHAIN_NAME="x86_64-linux-android"
+        ARCH="x64"
+        ;;
+    arm64|aarch64)
+        DEST_CPU="arm64"
+        TOOLCHAIN_NAME="aarch64-linux-android"
+        ARCH="arm64"
         ;;
     *)
         echo "Unsupported architecture provided: $ARCH"
         exit 1
         ;;
 esac
 
-NDK_PATH=$1
-function make_toolchain {
-    $NDK_PATH/build/tools/make-standalone-toolchain.sh \
-         --toolchain=$TOOLCHAIN_NAME-$CC_VER \
-        --arch=$ARCH \
-        --install-dir=$TOOLCHAIN \
-        --platform=android-21
-}
+HOST_OS="linux"
+HOST_ARCH="x86_64"
+export CC_host=$(which gcc)
+export CXX_host=$(which g++)
 
-export TOOLCHAIN=$PWD/android-toolchain
-if [ -d "$TOOLCHAIN" ]; then
-    read -r -p "NDK toolchain already exists. Replace it?  [y/N]" response
-    case "$response" in
-        [Yy])
-            rm -rf "$TOOLCHAIN"
-            make_toolchain
-    esac
-else
-    make_toolchain
+host_gcc_version=$($CC_host --version | grep gcc | awk '{print $NF}')
+major=$(echo $host_gcc_version | awk -F . '{print $1}')
+minor=$(echo $host_gcc_version | awk -F . '{print $2}')
+if [ -z $major ] || [ -z $minor ] || [ $major -lt 6 ] || [ $major -eq 6 -a $minor -lt 3 ]; then
+  echo "host gcc $host_gcc_version is too old, need gcc 6.3.0"
+  exit 1
 fi
+
+SUFFIX="$TOOLCHAIN_NAME$ANDROID_SDK_VERSION"
+TOOLCHAIN=$NDK_PATH/toolchains/llvm/prebuilt/$HOST_OS-$HOST_ARCH
+
 export PATH=$TOOLCHAIN/bin:$PATH
-export AR=$TOOLCHAIN/bin/$SUFFIX-ar
-export CC=$TOOLCHAIN/bin/$SUFFIX-gcc
-export CXX=$TOOLCHAIN/bin/$SUFFIX-g++
-export LINK=$TOOLCHAIN/bin/$SUFFIX-g++
+export CC=$TOOLCHAIN/bin/$SUFFIX-clang
+export CXX=$TOOLCHAIN/bin/$SUFFIX-clang++
+
 
 GYP_DEFINES="target_arch=$ARCH"
 GYP_DEFINES+=" v8_target_arch=$ARCH"
 GYP_DEFINES+=" android_target_arch=$ARCH"
-GYP_DEFINES+=" host_os=linux OS=android"
+GYP_DEFINES+=" host_os=$HOST_OS OS=android"
 export GYP_DEFINES
 
 if [ -f "configure" ]; then
     ./configure \
         --dest-cpu=$DEST_CPU \
         --dest-os=android \
         --without-snapshot \
-        --openssl-no-asm
+        --openssl-no-asm \
+        --cross-compiling
 fi

common.gypi

@@ -417,6 +417,10 @@
             'defines': [ '_GLIBCXX_USE_C99_MATH' ],
             'libraries': [ '-llog' ],
           }],
+          ['_toolset=="host"', {
+            'cflags': [ '-pthread' ],
+            'ldflags': [ '-pthread' ],
+          }],
         ],
       }],
       ['OS=="mac"', {

deps/cares/config/android/ares_config.h

@@ -128,7 +128,7 @@
 #define HAVE_GETNAMEINFO 1
 
 /* Define to 1 if you have the getservbyport_r function. */
-#define HAVE_GETSERVBYPORT_R 1
+/* #undef HAVE_GETSERVBYPORT_R */
 
 /* Define to 1 if you have the `gettimeofday' function. */
 #define HAVE_GETTIMEOFDAY 1

deps/openssl/openssl-cl_no_asm.gypi

@@ -12,9 +12,9 @@
       'includes': ['config/archs/linux-ppc64/no-asm/openssl-cl.gypi'],
     }, 'target_arch=="s390x" and OS=="linux"', {
       'includes': ['config/archs/linux64-s390x/no-asm/openssl-cl.gypi'],
-    }, 'target_arch=="arm" and OS=="linux"', {
+    }, 'target_arch=="arm" and OS in ("linux", "android")', {
       'includes': ['config/archs/linux-armv4/no-asm/openssl-cl.gypi'],
-    }, 'target_arch=="arm64" and OS=="linux"', {
+    }, 'target_arch=="arm64" and OS in ("linux", "android")', {
       'includes': ['config/archs/linux-aarch64/no-asm/openssl-cl.gypi'],
     }, 'target_arch=="arm64" and OS=="win"', {
       'includes': ['config/archs/VC-WIN64-ARM/no-asm/openssl-cl.gypi'],

deps/openssl/openssl_no_asm.gypi

@@ -13,9 +13,9 @@
       'includes': ['config/archs/linux-ppc64/no-asm/openssl.gypi'],
     }, 'target_arch=="s390x" and OS=="linux"', {
       'includes': ['config/archs/linux64-s390x/no-asm/openssl.gypi'],
-    }, 'target_arch=="arm" and OS=="linux"', {
+    }, 'target_arch=="arm" and OS in ("linux", "android")', {
       'includes': ['config/archs/linux-armv4/no-asm/openssl.gypi'],
-    }, 'target_arch=="arm64" and OS=="linux"', {
+    }, 'target_arch=="arm64" and OS in ("linux", "android")', {
       'includes': ['config/archs/linux-aarch64/no-asm/openssl.gypi'],
     }, 'target_arch=="ia32" and OS=="freebsd"', {
       'includes': ['config/archs/BSD-x86/no-asm/openssl.gypi'],

deps/uv/uv.gyp

@@ -261,6 +261,7 @@
             'src/unix/android-ifaddrs.c',
             'src/unix/procfs-exepath.c',
             'src/unix/random-getrandom.c',
+            'src/unix/random-getentropy.c',
             'src/unix/random-sysctl-linux.c',
             'src/unix/sysinfo-loadavg.c',
           ],

tools/gyp/pylib/gyp/generator/make.py

@@ -201,7 +201,7 @@ def CalculateGeneratorInputInfo(params):
 quiet_cmd_link = LINK($(TOOLSET)) $@
 quiet_cmd_link_host = LINK($(TOOLSET)) $@
 cmd_link = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ -Wl,--start-group $(LD_INPUTS) -Wl,--end-group $(LIBS)
-cmd_link_host = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(LD_INPUTS) $(LIBS)
+cmd_link_host = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ -Wl,--start-group $(LD_INPUTS) -Wl,--end-group $(LIBS)
 
 # Other shared-object link notes:
 # - Set SONAME to the library filename so our binaries don't reference

tools/v8_gypfiles/v8.gyp

@@ -952,41 +952,31 @@
         }],
         ['is_android', {
           'sources': [
-            '<(V8_ROOT)/src/base/debug/stack_trace_android.cc',
             '<(V8_ROOT)/src/base/platform/platform-posix.cc',
             '<(V8_ROOT)/src/base/platform/platform-posix.h',
             '<(V8_ROOT)/src/base/platform/platform-posix-time.cc',
             '<(V8_ROOT)/src/base/platform/platform-posix-time.h',
           ],
-          'conditions': [
-            ['_toolset=="host"', {
-              'link_settings': {
+          'link_settings': {
+            'target_conditions': [
+              ['_toolset=="host" and host_os=="linux"', {
                 'libraries': [
                   '-ldl',
                   '-lrt'
-                ]
-              },
-              'conditions': [
-                ['_toolset=="host"', {
-                  'conditions': [
-                    ['host_os == "mac"', {
-                      'sources': [
-                        '<(V8_ROOT)/src/base/debug/stack_trace_posix.cc'
-                        '<(V8_ROOT)/src/base/platform/platform-macos.cc'
-                      ]
-                    }, {
-                       'sources': [
-                         '<(V8_ROOT)/src/base/debug/stack_trace_posix.cc'
-                         '<(V8_ROOT)/src/base/platform/platform-linux.cc'
-                       ]
-                     }],
-                  ],
-                }, {
-                   'sources': [
-                     '<(V8_ROOT)/src/base/debug/stack_trace_android.cc'
-                     '<(V8_ROOT)/src/base/platform/platform-linux.cc'
-                   ]
-                 }],
+                ],
+              }],
+            ],
+          },
+          'target_conditions': [
+            ['_toolset=="host"', {
+              'sources': [
+                '<(V8_ROOT)/src/base/debug/stack_trace_posix.cc',
+                '<(V8_ROOT)/src/base/platform/platform-linux.cc',
+              ],
+            }, {
+              'sources': [
+                '<(V8_ROOT)/src/base/debug/stack_trace_android.cc',
+                '<(V8_ROOT)/src/base/platform/platform-linux.cc',
               ],
             }],
           ],