If you meet following errors below when you try to build your source code:
Checking build tools versions...
build/core/main.mk:72:
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build/core/main.mk:73: You are attempting to build on a 32-bit system.
build/core/main.mk:74: Only 64-bit build environments are supported beyond froyo/2.2.
build/core/main.mk:75:
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Don’t panic, just change the code:
build/core/main.mk
ifeq ($(BUILD_OS),linux)
build_arch := $(shell uname -m)
---ifneq (64,$(findstring 64,$(build_arch)))
+++ifneq (i686,$(findstring i686,$(build_arch)))
and change the code in four mk files below from “+=-m64” to “+=-m32”
external/clearsilver/cgi/Android.mk
external/clearsilver/java-jni/Android.mk
external/clearsilver/util/Android.mk
external/clearsilver/cs/Android.mk
LOCAL_CFLAGS += -m32
LOCAL_LDFLAGS += -m32
end.