Merge "Build with java7 by default."

#   COMMON_JAVAC -- Java compiler command with common arguments

#

ifeq ($(EXPERIMENTAL_USE_JAVA7),)

ifneq ($(LEGACY_USE_JAVA6),)

common_flags := -target 1.5 -Xmaxerrs 9999999

else

common_flags := -source 1.7 -target 1.7 -Xmaxerrs 9999999

OLD_FLEX := prebuilts/misc/$(HOST_PREBUILT_TAG)/flex/flex-2.5.4a$(HOST_EXECUTABLE_SUFFIX)

ifeq ($(HOST_OS),darwin)

ifneq ($(EXPERIMENTAL_USE_JAVA7),)

ifeq ($(LEGACY_USE_JAVA6),)

HOST_JDK_TOOLS_JAR:= $(shell $(BUILD_SYSTEM)/find-jdk-tools-jar.sh)

else

# Deliberately set to blank for Java 6 installations on MacOS. These

# Include the google-specific config

-include vendor/google/build/config.mk

VERSION_CHECK_SEQUENCE_NUMBER := 4

VERSION_CHECK_SEQUENCE_NUMBER := 5

-include $(OUT_DIR)/versions_checked.mk

ifneq ($(VERSION_CHECK_SEQUENCE_NUMBER),$(VERSIONS_CHECKED))

$(error Directory names containing spaces not supported)

endif

java_version_str := $(shell unset _JAVA_OPTIONS && java -version 2>&1)

javac_version_str := $(shell unset _JAVA_OPTIONS && javac -version 2>&1)

# Check for the correct version of java, should be 1.7 by

# default, and 1.6 if LEGACY_USE_JAVA6 is set.

ifeq ($(LEGACY_USE_JAVA6),)

required_version := "1.7.x"

required_javac_version := "1.7"

java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.7[\. "$$]')

javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.7[\. "$$]')

else # if LEGACY_USE_JAVA6

required_version := "1.6.x"

required_javac_version := "1.6"

java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.6[\. "$$]')

javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.6[\. "$$]')

endif # if LEGACY_USE_JAVA6

ifeq ($(strip $(java_version)),)

$(info ************************************************************)

$(info You are attempting to build with the incorrect version)

$(info of java.)

$(info $(space))

$(info Your version is: $(java_version_str).)

$(info The required version is: $(required_version))

$(info $(space))

$(info Please follow the machine setup instructions at)

$(info $(space)$(space)$(space)$(space)https://source.android.com/source/initializing.html)

$(info ************************************************************)

$(error stop)

endif

# Check for the current JDK.

#

# For Java 1.7, we require OpenJDK on linux and Oracle JDK on Mac OS.

# For Java 1.6, we require Oracle for all host OSes.

requires_openjdk := false

ifneq ($(EXPERIMENTAL_USE_JAVA7),)

ifeq ($(LEGACY_USE_JAVA6),)

ifeq ($(HOST_OS), linux)

requires_openjdk := true

endif

endif

java_version_str := $(shell unset _JAVA_OPTIONS && java -version 2>&1)

javac_version_str := $(shell unset _JAVA_OPTIONS && javac -version 2>&1)

# Check for the current jdk

ifeq ($(requires_openjdk), true)

endif # java version is not Sun Oracle JDK

endif # if requires_openjdk

# Check for the correct version of java, should be 1.7 if

# EXPERIMENTAL_USE_JAVA7 is set, 1.6 otherwise.

ifneq ($(EXPERIMENTAL_USE_JAVA7),)

required_version := "1.7.x"

required_javac_version := "1.7"

java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.7[\. "$$]')

javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.7[\. "$$]')

else # if EXPERIMENTAL_USE_JAVA7

required_version := "1.6.x"

required_javac_version := "1.6"

java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.6[\. "$$]')

javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.6[\. "$$]')

endif # if EXPERIMENTAL_USE_JAVA7

ifeq ($(required_javac_version), "1.6")

$(info ************************************************************)

$(info You are attempting to build with java 1.6.)

$(info Java6 support for master builds will be dropped shortly,)

$(info please upgrade to Java7 as soon as possible.)

$(info $(space))

$(info Visit http://source.android.com/source/initializing.html#installing-the-jdk for details. )

$(info $(space))

$(info To build using java-7:)

$(info $(space))

$(info $$ export EXPERIMENTAL_USE_JAVA7=true)

$(info $$ . build/envsetup.sh)

$(info $$ lunch <target>)

$(info $$ make clobber)

$(info $$ make -j8)

$(info $(space))

$(info ************************************************************)

endif

ifeq ($(strip $(java_version)),)

$(info ************************************************************)

$(info You are attempting to build with the incorrect version)

$(info of java.)

$(info $(space))

$(info Your version is: $(java_version_str).)

$(info The required version is: $(required_version))

$(info $(space))

$(info Please follow the machine setup instructions at)

$(info $(space)$(space)$(space)$(space)https://source.android.com/source/download.html)

$(info ************************************************************)

$(error stop)

endif

# Check for the correct version of javac

ifeq ($(strip $(javac_version)),)

$(info ************************************************************)

# JavaVM.framework/Versions/1.7/ folder.

function set_java_home() {

    # Clear the existing JAVA_HOME value if we set it ourselves, so that

    # we can reset it later, depending on the value of EXPERIMENTAL_USE_JAVA7.

    # we can reset it later, depending on the version of java the build

    # system needs.

    #

    # If we don't do this, the JAVA_HOME value set by the first call to

    # build/envsetup.sh will persist forever.

    fi

    if [ ! "$JAVA_HOME" ]; then

      if [ ! "$EXPERIMENTAL_USE_JAVA7" ]; then

      if [ -n "$LEGACY_USE_JAVA6" ]; then

        case `uname -s` in

            Darwin)

                export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home