454de52c96
This is to make it possible to wrap the compiler invocations with
custom wrappers (e.g., distcc/goma) by setting the CC_WRAPPER,
CXX_WRAPPER, JAVAC_WRAPPER variables in the build environment (without
having to know in advance the path to the compiler)
(cherry-picked from AOSP 994c84fb40)
Change-Id: Ide800c24f0c2ebbb1cfb358bd8f99ec8a9d41253
51 lines
1.4 KiB
Makefile
51 lines
1.4 KiB
Makefile
# Selects a Java compiler.
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#
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# Inputs:
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# CUSTOM_JAVA_COMPILER -- "eclipse", "openjdk". or nothing for the system
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# default
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# ALTERNATE_JAVAC -- the alternate java compiler to use
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#
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# Outputs:
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# COMMON_JAVAC -- Java compiler command with common arguments
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#
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ifneq ($(LEGACY_USE_JAVA6),)
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common_jdk_flags := -target 1.5 -Xmaxerrs 9999999
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else
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common_jdk_flags := -source 1.7 -target 1.7 -Xmaxerrs 9999999
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endif
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# Use the indexer wrapper to index the codebase instead of the javac compiler
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ifeq ($(ALTERNATE_JAVAC),)
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JAVACC := javac
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else
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JAVACC := $(ALTERNATE_JAVAC)
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endif
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# The actual compiler can be wrapped by setting the JAVAC_WRAPPER var.
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ifdef JAVAC_WRAPPER
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ifneq ($(JAVAC_WRAPPER),$(firstword $(JAVACC)))
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JAVACC := $(JAVAC_WRAPPER) $(JAVACC)
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endif
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endif
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# Whatever compiler is on this system.
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ifeq ($(BUILD_OS), windows)
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COMMON_JAVAC := development/host/windows/prebuilt/javawrap.exe -J-Xmx256m \
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$(common_jdk_flags)
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else
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COMMON_JAVAC := $(JAVACC) -J-Xmx1024M $(common_jdk_flags)
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endif
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# Eclipse.
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ifeq ($(CUSTOM_JAVA_COMPILER), eclipse)
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COMMON_JAVAC := java -Xmx256m -jar prebuilt/common/ecj/ecj.jar -5 \
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-maxProblems 9999999 -nowarn
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$(info CUSTOM_JAVA_COMPILER=eclipse)
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endif
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HOST_JAVAC ?= $(COMMON_JAVAC)
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TARGET_JAVAC ?= $(COMMON_JAVAC)
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#$(info HOST_JAVAC=$(HOST_JAVAC))
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#$(info TARGET_JAVAC=$(TARGET_JAVAC))
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