From 46e00ea4ba3cddfd9792b501d30d95d93828dd66 Mon Sep 17 00:00:00 2001
From: Neil Fuller <nfuller@google.com>
Date: Thu, 16 Oct 2014 10:23:03 +0100
Subject: [PATCH] Remove Java 6 build support

Change-Id: I9754844af58e3f81d7eb9dae286128d17a2cb56c
---
 core/combo/javac.mk |  4 ----
 core/config.mk      | 10 ----------
 core/main.mk        | 13 +------------
 envsetup.sh         | 29 +++++++++--------------------
 4 files changed, 10 insertions(+), 46 deletions(-)

diff --git a/core/combo/javac.mk b/core/combo/javac.mk
index 7f91aa9dd..fb43ea44e 100644
--- a/core/combo/javac.mk
+++ b/core/combo/javac.mk
@@ -9,11 +9,7 @@
 #   COMMON_JAVAC -- Java compiler command with common arguments
 #
 
-ifneq ($(LEGACY_USE_JAVA6),)
-common_jdk_flags := -target 1.5 -Xmaxerrs 9999999
-else
 common_jdk_flags := -source 1.7 -target 1.7 -Xmaxerrs 9999999
-endif
 
 # Use the indexer wrapper to index the codebase instead of the javac compiler
 ifeq ($(ALTERNATE_JAVAC),)
diff --git a/core/config.mk b/core/config.mk
index d0743f467..c030d22b6 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -418,17 +418,7 @@ else
 COLUMN:= column
 endif
 
-ifeq ($(HOST_OS),darwin)
-ifeq ($(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
-# versions allegedly use a non-standard directory structure.
-HOST_JDK_TOOLS_JAR :=
-endif
-else
-HOST_JDK_TOOLS_JAR:= $(shell $(BUILD_SYSTEM)/find-jdk-tools-jar.sh)
-endif
 
 ifneq ($(HOST_JDK_TOOLS_JAR),)
 ifeq ($(wildcard $(HOST_JDK_TOOLS_JAR)),)
diff --git a/core/main.mk b/core/main.mk
index 1958a1674..b628c8fb5 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -139,19 +139,11 @@ 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),)
+# Check for the correct version of java.
 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)),)
 $(info ************************************************************)
@@ -170,13 +162,10 @@ endif
 # Check for the current JDK.
 #
 # For Java 1.7, we require OpenJDK on linux and Oracle JDK on Mac OS.
-# For Java 1.6, we require Oracle for all host OSes.
 requires_openjdk := false
-ifeq ($(LEGACY_USE_JAVA6),)
 ifeq ($(HOST_OS), linux)
 requires_openjdk := true
 endif
-endif
 
 
 # Check for the current jdk
diff --git a/envsetup.sh b/envsetup.sh
index c29b7881b..18bc97201 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -1390,7 +1390,7 @@ function godir () {
     \cd $T/$pathname
 }
 
-# Force JAVA_HOME to point to java 1.7 or java 1.6  if it isn't already set.
+# Force JAVA_HOME to point to java 1.7 if it isn't already set.
 #
 # Note that the MacOS path for java 1.7 includes a minor revision number (sigh).
 # For some reason, installing the JDK doesn't make it show up in the
@@ -1407,25 +1407,14 @@ function set_java_home() {
     fi
 
     if [ ! "$JAVA_HOME" ]; then
-      if [ -n "$LEGACY_USE_JAVA6" ]; then
-        case `uname -s` in
-            Darwin)
-                export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home
-                ;;
-            *)
-                export JAVA_HOME=/usr/lib/jvm/java-6-sun
-                ;;
-        esac
-      else
-        case `uname -s` in
-            Darwin)
-                export JAVA_HOME=$(/usr/libexec/java_home -v 1.7)
-                ;;
-            *)
-                export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64
-                ;;
-        esac
-      fi
+      case `uname -s` in
+          Darwin)
+              export JAVA_HOME=$(/usr/libexec/java_home -v 1.7)
+              ;;
+          *)
+              export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64
+              ;;
+      esac
 
       # Keep track of the fact that we set JAVA_HOME ourselves, so that
       # we can change it on the next envsetup.sh, if required.