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platform_build
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Introduce CC/CXX/JAVAC_WRAPPER to wrap the calls to the compiler. 

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)

Change-Id: Ide800c24f0c2ebbb1cfb358bd8f99ec8a9d41253
This commit is contained in:
Primiano Tucci 2014-06-02 17:37:38 +01:00
parent a8b65126ca
commit 994c84fb40
2 changed files with 22 additions and 8 deletions
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9
core/combo/javac.mk
View File

@ -1,7 +1,7 @@
# Selects a Java compiler.
#
# Inputs:
# CUSTOM_JAVA_COMPILER -- "eclipse", "openjdk". or nothing for the system
# CUSTOM_JAVA_COMPILER -- "eclipse", "openjdk". or nothing for the system
# default
# ALTERNATE_JAVAC -- the alternate java compiler to use
#
@ -22,6 +22,13 @@ 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) $(JAVACC)
endif
endif
# Whatever compiler is on this system.
ifeq ($(BUILD_OS), windows)
COMMON_JAVAC := development/host/windows/prebuilt/javawrap.exe -J-Xmx256m \

21
core/combo/select.mk
View File

@ -92,13 +92,20 @@ ifneq ($(USE_CCACHE),)
# Check that the executable is here.
ccache := $(strip $(wildcard $(ccache)))
ifdef ccache
# prepend ccache if necessary
ifneq ($(ccache),$(firstword $($(combo_var_prefix)CC)))
$(combo_var_prefix)CC := $(ccache) $($(combo_var_prefix)CC)
endif
ifneq ($(ccache),$(firstword $($(combo_var_prefix)CXX)))
$(combo_var_prefix)CXX := $(ccache) $($(combo_var_prefix)CXX)
endif
CC_WRAPPER ?= $(ccache)
CXX_WRAPPER ?= $(ccache)
ccache =
endif
endif
# The C/C++ compiler can be wrapped by setting the CC/CXX_WRAPPER vars.
ifdef CC_WRAPPER
ifneq ($(CC_WRAPPER),$(firstword $($(combo_var_prefix)CC)))
$(combo_var_prefix)CC := $(CC_WRAPPER) $($(combo_var_prefix)CC)
endif
endif
ifdef CXX_WRAPPER
ifneq ($(CXX_WRAPPER),$(firstword $($(combo_var_prefix)CXX)))
$(combo_var_prefix)CXX := $(CXX_WRAPPER) $($(combo_var_prefix)CXX)
endif
endif