| # Selects a Java compiler. |
| # |
| # Inputs: |
| # CUSTOM_JAVA_COMPILER -- "eclipse", "openjdk". or nothing for the system |
| # default |
| # ALTERNATE_JAVAC -- the alternate java compiler to use |
| # |
| # Outputs: |
| # COMMON_JAVAC -- Java compiler command with common arguments |
| # |
| |
| common_jdk_flags := -source 1.7 -target 1.7 -Xmaxerrs 9999999 |
| |
| # Use the indexer wrapper to index the codebase instead of the javac compiler |
| ifeq ($(ALTERNATE_JAVAC),) |
| JAVACC := javac |
| else |
| JAVACC := $(ALTERNATE_JAVAC) |
| endif |
| |
| # The actual compiler can be wrapped by setting the JAVAC_WRAPPER var. |
| ifdef JAVAC_WRAPPER |
| ifneq ($(JAVAC_WRAPPER),$(firstword $(JAVACC))) |
| JAVACC := $(JAVAC_WRAPPER) $(JAVACC) |
| endif |
| endif |
| |
| # Whatever compiler is on this system. |
| COMMON_JAVAC := $(JAVACC) -J-Xmx1024M $(common_jdk_flags) |
| |
| # Eclipse. |
| ifeq ($(CUSTOM_JAVA_COMPILER), eclipse) |
| COMMON_JAVAC := java -Xmx256m -jar prebuilt/common/ecj/ecj.jar -5 \ |
| -maxProblems 9999999 -nowarn |
| $(info CUSTOM_JAVA_COMPILER=eclipse) |
| endif |
| |
| GLOBAL_JAVAC_DEBUG_FLAGS := -g |
| |
| HOST_JAVAC ?= $(COMMON_JAVAC) |
| TARGET_JAVAC ?= $(COMMON_JAVAC) |
| |
| #$(info HOST_JAVAC=$(HOST_JAVAC)) |
| #$(info TARGET_JAVAC=$(TARGET_JAVAC)) |
