Add OpenJDK 8 experimental support
Targeting 1.7: just adding support for the tools.
Various issues exist with OpenJDK 8: it doesn't build to completion
yet.
Change-Id: I54942f497264234e4bef488c8d17d243b4ef2f14
diff --git a/core/main.mk b/core/main.mk
index b628c8f..7791c3e 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -139,11 +139,19 @@
java_version_str := $(shell unset _JAVA_OPTIONS && java -version 2>&1)
javac_version_str := $(shell unset _JAVA_OPTIONS && javac -version 2>&1)
-# Check for the correct version of java.
+# Check for the correct version of java, should be 1.7 by
+# default, and 1.8 if EXPERIMENTAL_USE_JAVA8 is set
+ifneq ($(EXPERIMENTAL_USE_JAVA8),)
+required_version := "1.8.x"
+required_javac_version := "1.8"
+java_version := $(shell echo '$(java_version_str)' | grep 'openjdk .*[ "]1\.8[\. "$$]')
+javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.8[\. "$$]')
+else # default
required_version := "1.7.x"
required_javac_version := "1.7"
java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.7[\. "$$]')
javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.7[\. "$$]')
+endif # if EXPERIMENTAL_USE_JAVA8
ifeq ($(strip $(java_version)),)
$(info ************************************************************)