lxdream.org :: lxdream/m4/android.m4 r1255:d63f73cc586f

filename	m4/android.m4
changeset	1255:d63f73cc586f
prev	1245:01e0020adf88
author	nkeynes
date	Sat Aug 25 14:09:07 2012 +1000 (11 years ago)
permissions	-rw-r--r--
last change	Subst LDFLAGS_FOR_BUILD in configure

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     1 # LX_ANDROID_BUILD

     2 # Defines --with-android, --with-android-ndk, and --with-android-version

     3 # If specified, checks for a working install, and sets build parameters

     4 # appropriately for an Android host.

     5 AC_DEFUN([LX_ANDROID_BUILD], [

     6    AC_REQUIRE([AC_CANONICAL_HOST])

     7    AC_ARG_WITH( android, AS_HELP_STRING( [--with-android=SDK], [Specify the location of the Android SDK] ) )

     8    AC_ARG_WITH( android-ndk, AS_HELP_STRING( [--with-android-ndk=NDK], [Specify the location of the Android NDK] ) )

     9    AC_ARG_WITH( android-version, AS_HELP_STRING( [--with-android-version], [Specify target Android SDK version]), [], [with_android_version="android-11"] )

    10    AC_ARG_WITH( android-ndk-version, AS_HELP_STRING( [--with-android-version], [Specify target Android NDK version]), [], [with_ndk_version="android-9"] )

    11    AC_ARG_WITH( android-abi, AS_HELP_STRING( [--with-android-abi], [Specify target Android ABI]), [], [ANDROID_ABI="armeabi-v7a"] )

    13    if test "x$with_android" != "x"; then

    14       if test "$with_android" = "yes"; then

    15          AC_MSG_ERROR( [--with-android option must be given with the path to the Android SDK] )

    16       fi

    17       if test "x$with_android_ndk" = "x" -o "x$with_android_ndk" = "xyes"; then

    18          AC_MSG_ERROR( [--with-android-ndk=/path/to/ndk option must be used with --with-android] )

    19       fi

    21       ANDROID_SDK_HOME="$with_android"

    22       ANDROID_NDK_HOME="$with_android_ndk"

    23       ANDROID_SDK_VERSION="$with_android_version"

    24       ANDROID_NDK_VERSION="$with_ndk_version"

    26       AC_CHECK_FILE( [$ANDROID_SDK_HOME/tools/ant/pre_setup.xml], [], [ AC_MSG_ERROR([Android SDK not found in $ANDROID_SDK_HOME]) ])

    27       AC_CHECK_FILE( [$ANDROID_SDK_HOME/platforms/$ANDROID_SDK_VERSION/sdk.properties], [], [ AC_MSG_ERROR([Android platform version $ANDROID_SDK_VERSION not found in $ANDROID_SDK_HOME]) ])

    28       AC_CHECK_FILE( [$ANDROID_NDK_HOME/toolchains], [], [ AC_MSG_ERROR([Android NDK not found in $ANDROID_NDK_HOME]) ])

    30       dnl common flags

    31       TARGETFLAGS="-ffunction-sections -funwind-tables -fomit-frame-pointer -DANDROID -Wa,--noexecstack"

    33       case $ANDROID_ABI in

    34          armeabi | armeabi-v7a)

    35             host_alias="arm-linux-androideabi"

    36             host_cpu="arm"

    37             host_vendor="unknown";

    38             host_os="linux-androideabi"

    39             ANDROID_NDK_BIN=`echo $ANDROID_NDK_HOME/toolchains/arm-*/prebuilt/*/bin`

    40             ANDROID_GDBSERVER=`echo $ANDROID_NDK_HOME/toolchains/arm-*/prebuilt/gdbserver`

    41             ANDROID_SYSROOT="$ANDROID_NDK_HOME/platforms/$ANDROID_NDK_VERSION/arch-arm"

    42             dnl Common ARM flags

    43             TARGETFLAGS="$TARGETFLAGS -fstack-protector -finline-limit=64 -fno-strict-aliasing -Wno-psabi -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__"

    44             if test "x$with_abi" = "armeabi"; then

    45                 TARGETFLAGS="$TARGETFLAGS -march=armv5te -mtune=xscale -msoft-float"

    46             else

    47                 TARGETFLAGS="$TARGETFLAGS -march=armv7-a -mtune=cortex-a8 -mfloat-abi=softfp -mfpu=vfp"

    48             fi

    49             ;;

    50          x86)

    51             host_alias="i686-android-linux"

    52             host_cpu="i686"

    53             host_vendor="android"

    54             host_os="linux"

    55             ANDROID_NDK_BIN=`echo $ANDROID_NDK_HOME/toolchains/x86-*/prebuilt/*/bin`

    56             ANDROID_GDBSERVER=`echo $ANDROID_NDK_HOME/toolchains/x86-*/prebuilt/gdbserver`

    57             ANDROID_SYSROOT="$ANDROID_NDK_HOME/platforms/$ANDROID_NDK_VERSION/arch-x86"

    58             TARGETFLAGS="$TARGETFLAGS -finline-limit=300 -fno-rtti -funswitch-loops -fstrict-aliasing"

    59             ;;

    60          *)

    61             AC_MSG_ERROR([Unsupported android ABI $ANDROID_ABI])

    62       	    ;;

    63       esac

    65       AC_PATH_PROG( ANT, [ant] )

    67       CC="$ANDROID_NDK_BIN/${host_alias}-gcc"

    68       CXX="$ANDROID_NDK_BIN/${host_alias}-g++"

    69       CPP="$ANDROID_NDK_BIN/${host_alias}-cpp"

    70       LD="$ANDROID_NDK_BIN/${host_alias}-ld"

    71       AR="$ANDROID_NDK_BIN/${host_alias}-ar"

    72       RANLIB="$ANDROID_NDK_BIN/${host_alias}-ranlib"

    73       STRIP="$ANDROID_NDK_BIN/${host_alias}-strip"

    74       OBJDUMP="$ANDROID_NDK_BIN/${host_alias}-objdump"

    75       CPPFLAGS="-fPIC --sysroot=$ANDROID_SYSROOT -I$ANDROID_SYSROOT/usr/include $TARGETFLAGS $CPPFLAGS"

    76       LDFLAGS="-nostdlib -Wl,--no-undefined -L${ANDROID_SYSROOT}/usr/lib -Wl,-rpath-link,${ANDROID_SYSROOT}/usr/lib -Wl,-allow-shlib-undefined -Wl,-z,noexecstack $LDFLAGS"

    77       LIBS="$LIBS -liconv -landroid -llog -lgcc -lc -lm"

    79       AC_SUBST(ANDROID_ABI)

    80       AC_SUBST(ANDROID_SDK_HOME)

    81       AC_SUBST(ANDROID_NDK_HOME)

    82       AC_SUBST(ANDROID_SDK_VERSION)

    83       AC_SUBST(ANDROID_NDK_VERSION)

    84       AC_SUBST(ANDROID_GDBSERVER)

    86       ANDROID_BUILD=yes

    87       cross_compiling=yes

    88    fi

    90    AM_CONDITIONAL(GUI_ANDROID, [test "$ANDROID_BUILD" = "yes"])

    92 ])