Hi Lou,
Following your steps, I met this error when I using the
external/clang/build.py. I just wonder if there is some prerequisite for
the building? Or I had made some mistake?
在此输入代码...ninja: no work to do.
[1/2] soong_build docs out/stage1/soong/.bootstrap/docs/soong_build.html
FAILED: out/stage1/soong/.bootstrap/docs/soong_build.html
out/stage1/soong/.bootstrap/bin/soong_build -t -l
out/stage1/.module_paths/Android.bp.list -b out/stage1/soong --docs
out/stage1/soong/.bootstrap/docs/soong_build.html ./Android.bp
error: external/clang/tools/driver/Android.bp:3:1: module "clang":
target.host.compile_multilib: mismatched types *string and string
error: external/clang/tools/clang-format/Android.bp:3:1: module
"clang-format": target.host.compile_multilib: mismatched types *string and
string
error: external/clang/tools/clang-check/Android.bp:3:1: module
"clang-check": target.host.compile_multilib: mismatched types *string and
string
[2/2] out/stage1/soong/.bootstrap/bin/soong_build
out/stage1/soong/build.ninja
FAILED: out/stage1/soong/build.ninja
out/stage1/soong/.bootstrap/bin/soong_build -t -l
out/stage1/.module_paths/Android.bp.list -b out/stage1/soong -n out/stage1
-d out/stage1/soong/build.ninja.d -o out/stage1/soong/build.ninja Android.bp
error: external/clang/tools/clang-format/Android.bp:3:1: module
"clang-format": target.host.compile_multilib: mismatched types *string and
string
error: external/clang/tools/driver/Android.bp:3:1: module "clang":
target.host.compile_multilib: mismatched types *string and string
error: external/clang/tools/clang-check/Android.bp:3:1: module
"clang-check": target.host.compile_multilib: mismatched types *string and
string
ninja: build stopped: subcommand failed.
09:54:39 soong bootstrap failed with: exit status 1
build/make/core/main.mk:21: recipe for target 'run_soong_ui' failed
make: *** [run_soong_ui] Error 1
Traceback (most recent call last):
File "external/clang/build.py", line 1077, in <module>
main()
File "external/clang/build.py", line 1029, in main
max_jobs=args.jobs, use_updated_version=False)
File "external/clang/build.py", line 202, in build
max_jobs, use_updated_version, profile_task)
File "external/clang/build.py", line 265, in build_product
cwd=android_path(), env=env)
File "external/clang/build.py", line 91, in check_call
subprocess.check_call(cmd, *args, **kwargs)
File "/usr/lib/python2.7/subprocess.py", line 541, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['make', '-j28',
'clang-toolchain-minimal', 'clang-toolchain-full', 'llvm-tools']' returned
non-zero exit status 2
在 2017年1月19日星期四 UTC+8上午5:02:17，Gagou Lou写道：
>
> Hi all,
>
> I'm currently successfully building the clang toolchain under the NDK 10
> under OSX.
> But I'm a bit confused about how your building system is working...
> (kati,ninja,soong, etc)
>
> As Clang rely on CMake, I was hoping to find the Clang configuration
> command used by the NDK build system, but it seems more complicated...
> After digging a bit in the *.mk files, it seems that you have a separated
> build system which don't rely on the CMakefile contained in Clang sources.
>
> I'm currently using ./external/clang/build.py to build Clang toolchain.
> The build process seems to do so many things. I mean, compiling Clang for
> Linux or OSX is as simple as calling cmake with the right parameters
> followed by make/ninja. But in the NDK, Clang compilation looks like so
> complicated.
>
> So my questions are:
> - How to generate a new Clang toolchain with my own Clang source code ?
> - How the build system works in the NDK 10 ? What are all those
> compilation (stage1, stage2, etc) simply for generating a Clang toolchain?
> - Any hint where to start searching? (any documentation, files, etc)
>
> Thank you for your help,
>
> Gael
>
>
>
>
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