javac.mk revision b6dcef8777a6ea70ec351be9ab4f549a39e5c977
1# Selects a Java compiler. 2# 3# Inputs: 4# CUSTOM_JAVA_COMPILER -- "eclipse", "openjdk". or nothing for the system 5# default 6# ALTERNATE_JAVAC -- the alternate java compiler to use 7# 8# Outputs: 9# COMMON_JAVAC -- Java compiler command with common arguments 10# 11 12ifeq ($(EXPERIMENTAL_USE_JAVA7),) 13common_flags := -target 1.5 -Xmaxerrs 9999999 14else 15common_flags := -source 1.7 -target 1.7 -Xmaxerrs 9999999 16endif 17 18# Use the indexer wrapper to index the codebase instead of the javac compiler 19ifeq ($(ALTERNATE_JAVAC),) 20JAVACC := javac 21else 22JAVACC := $(ALTERNATE_JAVAC) 23endif 24 25# Whatever compiler is on this system. 26ifeq ($(BUILD_OS), windows) 27 COMMON_JAVAC := development/host/windows/prebuilt/javawrap.exe -J-Xmx256m \ 28 $(common_flags) 29else 30 COMMON_JAVAC := $(JAVACC) -J-Xmx512M $(common_flags) 31endif 32 33# Eclipse. 34ifeq ($(CUSTOM_JAVA_COMPILER), eclipse) 35 COMMON_JAVAC := java -Xmx256m -jar prebuilt/common/ecj/ecj.jar -5 \ 36 -maxProblems 9999999 -nowarn 37 $(info CUSTOM_JAVA_COMPILER=eclipse) 38endif 39 40HOST_JAVAC ?= $(COMMON_JAVAC) 41TARGET_JAVAC ?= $(COMMON_JAVAC) 42 43#$(info HOST_JAVAC=$(HOST_JAVAC)) 44#$(info TARGET_JAVAC=$(TARGET_JAVAC)) 45