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Re: [tor-bugs] #25483 [Obfuscation/Snowflake]: Windows reproducible build of snowflake

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Subject: Re: [tor-bugs] #25483 [Obfuscation/Snowflake]: Windows reproducible build of snowflake
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Date: Wed, 09 May 2018 01:36:34 -0000
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#25483: Windows reproducible build of snowflake
-----------------------------------+--------------------------
 Reporter:  arlolra                |          Owner:  sukhbir
     Type:  project                |         Status:  assigned
 Priority:  High                   |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Normal                 |     Resolution:
 Keywords:  TorBrowserTeam201805   |  Actual Points:
Parent ID:  #19001                 |         Points:
 Reviewer:                         |        Sponsor:
-----------------------------------+--------------------------

Comment (by sukhbir):

 So I tried building with clang 6 today just to confirm the theory that one
 of these bugs was fixed in clang 6.0.0 (and hope the other one was as well
 :) and ran into the following error. I replaced the precompiled clang
 webrtc with clang 6.0.0 but I didn't bother to set `clang_base_path` and
 just replaced it in the default lookup directory `third_party/llvm-
 build/Release+Asserts`.

 I will continue to debug this (and try with master instead of release as
 well) but if you have seen this before, please let me know. A quick search
 tells me this may be related to cross-compilation but I haven't found any
 solutions yet.

 {{{
 [188/2538] CC
 obj/third_party/libvpx/libvpx_intrinsics_avx/quantize_avx.obj
 [189/2538] CC obj/third_party/libvpx/libvpx_intrinsics_avx2/sad4d_avx2.obj
 FAILED: obj/third_party/libvpx/libvpx_intrinsics_avx2/sad4d_avx2.obj
 ../../third_party/llvm-build/Release+Asserts/bin/clang-cl --rsp-
 quoting=posix /nologo /showIncludes
 @obj/third_party/libvpx/libvpx_intrinsics_avx2/sad4d_avx2.obj.rsp /c
 ../../third_party/libvpx/source/libvpx/vpx_dsp/x86/sad4d_avx2.c
 /Foobj/third_party/libvpx/libvpx_intrinsics_avx2/sad4d_avx2.obj
 /Fd"obj/third_party/libvpx/libvpx_intrinsics_avx2_c.pdb"
 In file included from
 ../../third_party/libvpx/source/libvpx/vpx_dsp/x86/sad4d_avx2.c:10:
 In file included from /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/immintrin.h:134:
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(73,10):  error:
 invalid conversion between vector type '__m128' (vector of 4 'float'
 values) and integer type 'int' of different size
   return (m128)builtin_ia32_vfmsubss3((v4sf)A, (v4sf)B, (v4sf)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(79,10):  error:
 invalid conversion between vector type '__m128d' (vector of 2 'double'
 values) and integer type 'int' of different size
   return (m128d)builtin_ia32_vfmsubsd3((v2df)A, (v2df)B, (v2df)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(97,10):  error:
 invalid conversion between vector type '__m128' (vector of 4 'float'
 values) and integer type 'int' of different size
   return (m128)builtin_ia32_vfnmaddss3((v4sf)A, (v4sf)B, (v4sf)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(103,10):  error:
 invalid conversion between vector type '__m128d' (vector of 2 'double'
 values) and integer type 'int' of different size
   return (m128d)builtin_ia32_vfnmaddsd3((v2df)A, (v2df)B, (v2df)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(121,10):  error:
 invalid conversion between vector type '__m128' (vector of 4 'float'
 values) and integer type 'int' of different size
   return (m128)builtin_ia32_vfnmsubss3((v4sf)A, (v4sf)B, (v4sf)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(127,10):  error:
 invalid conversion between vector type '__m128d' (vector of 2 'double'
 values) and integer type 'int' of different size
   return (m128d)builtin_ia32_vfnmsubsd3((v2df)A, (v2df)B, (v2df)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Note: including file:  /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fxsrintrin.h
 6 errors generated.
 [190/2538] CC
 obj/third_party/libvpx/libvpx_intrinsics_avx2/fwd_txfm_avx2.obj
 FAILED: obj/third_party/libvpx/libvpx_intrinsics_avx2/fwd_txfm_avx2.obj
 ../../third_party/llvm-build/Release+Asserts/bin/clang-cl --rsp-
 quoting=posix /nologo /showIncludes
 @obj/third_party/libvpx/libvpx_intrinsics_avx2/fwd_txfm_avx2.obj.rsp /c
 ../../third_party/libvpx/source/libvpx/vpx_dsp/x86/fwd_txfm_avx2.c
 /Foobj/third_party/libvpx/libvpx_intrinsics_avx2/fwd_txfm_avx2.obj
 /Fd"obj/third_party/libvpx/libvpx_intrinsics_avx2_c.pdb"
 In file included from
 ../../third_party/libvpx/source/libvpx/vpx_dsp/x86/fwd_txfm_avx2.c:15:
 In file included from
 ../../third_party/libvpx/source/libvpx/vpx_dsp/x86/fwd_dct32x32_impl_avx2.h:11:
 In file included from /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/immintrin.h:134:
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(73,10):  error:
 invalid conversion between vector type '__m128' (vector of 4 'float'
 values) and integer type 'int' of different size
   return (m128)builtin_ia32_vfmsubss3((v4sf)A, (v4sf)B, (v4sf)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(79,10):  error:
 invalid conversion between vector type '__m128d' (vector of 2 'double'
 values) and integer type 'int' of different size
   return (m128d)builtin_ia32_vfmsubsd3((v2df)A, (v2df)B, (v2df)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(97,10):  error:
 invalid conversion between vector type '__m128' (vector of 4 'float'
 values) and integer type 'int' of different size
   return (m128)builtin_ia32_vfnmaddss3((v4sf)A, (v4sf)B, (v4sf)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(103,10):  error:
 invalid conversion between vector type '__m128d' (vector of 2 'double'
 values) and integer type 'int' of different size
   return (m128d)builtin_ia32_vfnmaddsd3((v2df)A, (v2df)B, (v2df)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(121,10):  error:
 invalid conversion between vector type '__m128' (vector of 4 'float'
 values) and integer type 'int' of different size
   return (m128)builtin_ia32_vfnmsubss3((v4sf)A, (v4sf)B, (v4sf)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fmaintrin.h(127,10):  error:
 invalid conversion between vector type '__m128d' (vector of 2 'double'
 values) and integer type 'int' of different size
   return (m128d)builtin_ia32_vfnmsubsd3((v2df)A, (v2df)B, (v2df)C);
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Note: including file:   /var/tmp/build/webrtc/src/third_party/llvm-
 build/Release+Asserts/lib/clang/6.0.0/include/fxsrintrin.h
 6 errors generated.
 [191/2538] CC
 obj/third_party/libvpx/libvpx_intrinsics_avx/vp9_diamond_search_sad_avx.obj
 ninja: build stopped: subcommand failed.
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25483#comment:28>
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