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This change basically ported our target multilib to the host side.
It supports 2 host build modes: x86 and x86_64 multilib build.
For now you need to set "BUILD_HOST_64bit=true" to switch to x86_64
multilib build. Later we'll default to x86_64 build and have a flag
to force 32-bit only build, which may be needed by SDK build.
In host module definition, like in target ones, you can use the
following
LOCAL variables to set up multilib configuration:
LOCAL_MULTILIB: can be "both", "first", "32" or "64".
It also supports the same set of arch or 32-vs-64 specific LOCAL
variables.
By default, it builds only for the first arch.
To keep path compatibility, in x86_64 build files are still output to
out/host/linux-x86; Both 32-bit and 64-bit executables are in
out/host/linux-86/bin;
In x86_64 build 32-bit shared libraries are installed to
out/host/linux-x86/lib32
and 64-bit shared libraries are installed to out/host/linux-x86/lib;
32-bit object files are output to out/host/linux-x86/obj32 and 64-bit
object files
are output to out/host/linux-x86/obj.
Bug: 13751317
Change-Id: I6044f83b7db369a33e05209e8c588eb6dc83409f
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LOCAL_MULTILIB replaces LOCAL_32_BIT_ONLY and
LOCAL_NO_2ND_ARCH, although both are still supported.
Set LOCAL_MULTILIB := 32 to always build a module 32-bit.
This is the same as specifying LOCAL_32_BIT_ONLY.
Set LOCAL_MULTILIB := first to always build a module for
the first architecture (64-bit on a 64-bit target, 32-bit on a
32-bit target). This is the same as specifying LOCAL_NO_2ND_ARCH.
Set LOCAL_MULTILIB := both to build for both architectures
on a mulitlib (64-bit) target.
If LOCAL_MULTILIB is not set libraries will default to "both",
and executables, packages, and prebuilts will default to building
for the first architecture if supported by the module, otherwise
the second.
Executables that set LOCAL_MULTILIB := both must set either
LOCAL_MODULE_STEM_32 and LOCAL_MODULE_STEM_64 or
LOCAL_MODULE_PATH_32 and LOCAL_MODULE_PATH_64 to specify how to
differentiate the install locations of the two versions.
Change-Id: I22ab6aa342b231c307b1d8a86cea4fd91eea39f5
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This makes sure copy_headers.mk only be included onces, no matter
it's for the 1st arch or the 2nd arch.
Change-Id: I80a558fbdb52861f176bd27a21c302069a5cc3ce
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Add four new variables for module makefiles:
LOCAL_MODULE_TARGET_ARCH specifies that a module is only supported for
one or more architectures. Any architecture not in the list will be
not attempt to build the module. The expected use case is prebuilts
that are only suitable for a single architecture, or modules like llvm
that need per-architecture support.
LOCAL_MODULE_UNSUPPORTED_TARGET_ARCH specifies that a module cannot be
built for one or more architectures.
LOCAL_MODULE_TARGET_ARCH_WARN and LOCAL_MODULE_UNSUPPORTED_TARGET_ARCH_WARN
are the same, but warn that the arch is not supported, which is useful
for modules that are critical but not yet working.
The logic for whether or not to build an architecture is fairly
complicated, so this patch consolidates it into module_arch_supported.mk
Change-Id: I120caf4a375f484e1fd6017b60c2f53882ae01e6
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Rename for consistency with TARGET_IS_64_BIT.
Change-Id: I824dcaed0c1e88b8246bcffb21ab3f1772175926
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By default, an executable is built for TARGET_ARCH.
To build it for TARGET_2ND_ARCH in a 64bit product, use:
LOCAL_32BIT_ONLY := true
To skip a module for TARGET_2ND_ARCH, use:
LOCAL_NO_2ND_ARCH := true
Bug: 11654773
Change-Id: Ieb293d25b21024bfe1b554044df338e064ac7b46
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The rules for the 2nd arch are set up in the second inclusion
of static_library_internal.mk.
libfoo of the 2nd arch will be built into
$(PRODUCT_OUT)/obj_$(TARGET_2ND_ARCH)/libfoo_intermediates/libfoo.a.
Bug: 11654773
Change-Id: I1d92733968fc442e9225b4df5bd1b551a81d89f7
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This reverts the commit 70dc3e1d.
Change-Id: I480b005579805d2608d05dac41e32bb44642e813
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s/can not/cannot/g
Change-Id: I1bac31157732666deb46f6f20389ff539977ffb9
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LOCAL_ENABLE_APROF_JNI"
* commit '6e587f53152127370c6b45204f6529dd7b0ce32a':
Profiling use aprof, enable by LOCAL_ENABLE_APROF or LOCAL_ENABLE_APROF_JNI
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Change-Id: Ia95dc7318e17c0804867b22e239edccc5cbec0af
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Bug: 5573756
With this change, we can set LOCAL_EXPORT_C_INCLUDE_DIRS in the module
definition to export include dir paths.
Paths in LOCAL_EXPORT_C_INCLUDE_DIRS should be relative to the top dir
of the source tree.
If a library (shared or static) exports some include paths, any module
using it will import the include paths and add them to the compiler
command line.
Change-Id: I49aabc589d2cf214044d13ccd5532ef68209adf0
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Bug: http://b/issue?id=2811253
Change-Id: Iabd4ab8b3d7236dffe89f1939e1142e882944026
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Currently, if LOCAL_WHOLE_STATIC_LIBRARIES is specified, its values is
ignored. This patch addresses this limitation and works as follows:
For every whole lib specified, it extracts the archive into a sub-directory
under the target lib's intermediate, and then seeds the initial target
archive with all the members.
Signed-off-by: Dima Zavin <dima@android.com>
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