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 12 ifneq ($(LEGACY_USE_JAVA6),) 13 common_jdk_flags := -target 1.5 -Xmaxerrs 9999999 14 else 15 common_jdk_flags := -source 1.7 -target 1.7 -Xmaxerrs 9999999 16 endif 17 18 # Use the indexer wrapper to index the codebase instead of the javac compiler 19 ifeq ($(ALTERNATE_JAVAC),) 20 JAVACC := javac 21 else 22 JAVACC := $(ALTERNATE_JAVAC) 23 endif 24 25 # The actual compiler can be wrapped by setting the JAVAC_WRAPPER var. 26 ifdef JAVAC_WRAPPER 27 ifneq ($(JAVAC_WRAPPER),$(firstword $(JAVACC))) 28 JAVACC := $(JAVAC_WRAPPER) $(JAVACC) 29 endif 30 endif 31 32 # Whatever compiler is on this system. 33 ifeq ($(BUILD_OS), windows) 34 COMMON_JAVAC := development/host/windows/prebuilt/javawrap.exe -J-Xmx256m \ 35 $(common_jdk_flags) 36 else 37 COMMON_JAVAC := $(JAVACC) -J-Xmx1024M $(common_jdk_flags) 38 endif 39 40 # Eclipse. 41 ifeq ($(CUSTOM_JAVA_COMPILER), eclipse) 42 COMMON_JAVAC := java -Xmx256m -jar prebuilt/common/ecj/ecj.jar -5 \ 43 -maxProblems 9999999 -nowarn 44 $(info CUSTOM_JAVA_COMPILER=eclipse) 45 endif 46 47 HOST_JAVAC ?= $(COMMON_JAVAC) 48 TARGET_JAVAC ?= $(COMMON_JAVAC) 49 50 #$(info HOST_JAVAC=$(HOST_JAVAC)) 51 #$(info TARGET_JAVAC=$(TARGET_JAVAC)) 52
