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      1 # Selects a Java compiler.
      2 #
      3 # Inputs:
      4 #	CUSTOM_JAVA_COMPILER -- "eclipse", "openjdk". or nothing for the system 
      5 #                           default
      6 #
      7 # Outputs:
      8 #   COMMON_JAVAC -- Java compiler command with common arguments
      9 
     10 # Whatever compiler is on this system.
     11 ifeq ($(BUILD_OS), windows)
     12     COMMON_JAVAC := development/host/windows/prebuilt/javawrap.exe -J-Xmx256m \
     13         -target 1.5 -Xmaxerrs 9999999
     14 else
     15     COMMON_JAVAC := javac -J-Xmx512M -target 1.5 -Xmaxerrs 9999999
     16 endif
     17 
     18 # Eclipse.
     19 ifeq ($(CUSTOM_JAVA_COMPILER), eclipse)
     20     COMMON_JAVAC := java -Xmx256m -jar prebuilt/common/ecj/ecj.jar -5 \
     21         -maxProblems 9999999 -nowarn
     22     $(info CUSTOM_JAVA_COMPILER=eclipse)
     23 endif
     24 
     25 # OpenJDK.
     26 ifeq ($(CUSTOM_JAVA_COMPILER), openjdk)
     27     # We set the VM options (like -Xmx) in the javac script.
     28     COMMON_JAVAC := prebuilt/common/openjdk/bin/javac -target 1.5 \
     29         -Xmaxerrs 9999999
     30     $(info CUSTOM_JAVA_COMPILER=openjdk)
     31 endif
     32    
     33 HOST_JAVAC ?= $(COMMON_JAVAC)
     34 TARGET_JAVAC ?= $(COMMON_JAVAC)
     35     
     36 #$(info HOST_JAVAC=$(HOST_JAVAC))
     37 #$(info TARGET_JAVAC=$(TARGET_JAVAC))
     38