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Edward O'Callaghan

2009-Sep-23 03:06 UTC

[LLVMdev] [llvm-commits] [PATCH] BlocksRuntime updates for Linux

No, As it worked fine before.

I can't see the #if that goes with +#elif defined(__WIN32__) as you
removed -#if TARGET_OS_MAC.
Please go over your #if / #endif blocks and trail the #endif with a
comment. I am willing to bet there is a problem there.

Thanks for your time,
Edward.

2009/9/23 Shantonu Sen <ssen at apple.com>:> Sounds like your system compiler doesn't support gcc-style builtin
atomics.
> Please use a different compiler?
>
> Shantonu
>
> Sent from my MacBook
>
> On Sep 22, 2009, at 7:54 PM, Edward O'Callaghan wrote:
>
>> Breaks Builds on Solaris and AuroraUX with:
>>
>> bash-3.2$ make
>> Scanning dependencies of target BlocksRuntime
>> [  1%] Building C object
>> BlocksRuntime/CMakeFiles/BlocksRuntime.dir/runtime.c.o
>>
>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:77:2:
>> error: #error unknown atomic compare-and-swap primitive
>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:
>> In function 'latching_incr_int':
>>
>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:118:
>> warning: implicit declaration of function
'OSAtomicCompareAndSwapInt'
>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:
>> In function '_Block_dump':
>>
>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:664:
>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>> 3 has type 'unsigned int'
>>
>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:672:
>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>> 3 has type 'unsigned int'
>>
>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:673:
>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>> 3 has type 'unsigned int'
>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:
>> In function '_Block_byref_dump':
>>
>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:688:
>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>> 3 has type 'unsigned int'
>>
>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:689:
>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>> 3 has type 'unsigned int'
>>
>> Please check these.
>>
>> Thank you,
>> Edward O'Callaghan.
>>
>> 2009/9/22 Chris Lattner <clattner at apple.com>:
>>>
>>> On Sep 21, 2009, at 9:15 AM, Shantonu Sen wrote:
>>>
>>> [forwarding to llvm-commits, which is where i meant to send it the
first
>>> time]
>>>
>>> The source changes seem fine to me, and I don't have an opinion
about the
>>> build system changes - I suggest committing them and seeing if
anyone
>>> screams :)
>>> Thanks Shantonu,
>>> -Chris
>>>
>>> Ping?
>>> Shantonu Sen
>>> ssen at apple.com
>>> Sent from my Mac Pro
>>> Begin forwarded message:
>>>
>>> From: Shantonu Sen <ssen at apple.com>
>>> Date: September 18, 2009 11:14:13 AM PDT
>>> To: LLVM Developers Mailing List <llvmdev at cs.uiuc.edu>
>>> Subject: [LLVMdev] [PATCH] BlocksRuntime updates for Linux
>>>
>>> The attached diff cleans up the BlocksRuntime/ directory of
compiler-rt
>>> for
>>> better portability, eliminates compiler warnings, and adds support
to the
>>> cmake build to install the results.
>>>
>>> More specifically, the changes:
>>> 1) Remove cmake-specific #define usage from the exported
>>> Block.h/Block_private.h headers, since clients won't know what
to set.
>>> These
>>> are moved into runtime.c as appropriate
>>> 2) Use cmake checks for CAS builtins, instead of guessing based on
GCC
>>> #defines (which aren't set by clang and llvm-gcc anyway)
>>> 3) "#pragma mark" isn't supported by FSF gcc, so
"#if 0" it out. It
>>> should
>>> still show up in IDEs that support it
>>> 4) Fix some compiler warnings. GCC 4.3.3 seems super strict about
%p.
>>> function pointers can't be cast to void * either.
>>> 5) Avoid a warning for apple_versioning.c that "ISO C does not
allow
>>> empty
>>> files"
>>>
>>> Tested on Ubuntu Linux 9.04 with clang and llvm-gcc and -fblocks to
>>> define
>>> and copy some blocks (and invoke them, obviously). Also tested on
Mac OS
>>> X
>>> 10.6 and linking against -lBlocksRuntime ahead of -lSystem.
>>>
>>> <blocks-linux.diff>
>>>
>>> Shantonu Sen
>>> ssen at apple.com
>>>
>>> Sent from my Mac Pro
>>>
>>> _______________________________________________
>>> LLVM Developers mailing list
>>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>>
>>> _______________________________________________
>>> llvm-commits mailing list
>>> llvm-commits at cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>
>>>
>>> _______________________________________________
>>> llvm-commits mailing list
>>> llvm-commits at cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>
>>>
>>
>>
>>
>> --
>> --
>> Edward O'Callaghan
>> http://www.auroraux.org/
>> eocallaghan at auroraux dot org
>>
>> _______________________________________________
>> LLVM Developers mailing list
>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>


-- 
-- 
Edward O'Callaghan
http://www.auroraux.org/
eocallaghan at auroraux dot org

Shantonu Sen

2009-Sep-23 03:12 UTC

head link

[LLVMdev] [llvm-commits] [PATCH] BlocksRuntime updates for Linux

Seems pretty clear cut to me.

#if defined(HAVE_OSATOMIC_COMPARE_AND_SWAP_INT) && defined 
(HAVE_OSATOMIC_COMPARE_AND_SWAP_LONG)
...
#elif defined(__WIN32__)
...
#elif defined(HAVE_SYNC_BOOL_COMPARE_AND_SWAP_INT) && defined 
(HAVE_SYNC_BOOL_COMPARE_AND_SWAP_LONG)
...
#else
#error unknown atomic compare-and-swap primitive
#endif

The problem isn't mismatched #if/#endif. The #error says it all, cmake  
couldn't detect an appropriate atomic built-in implementation.

Please use llvm-gcc or clang to build compiler-rt. Same as how nobody  
expects to build libgcc with anything other than gcc.

Shantonu

Sent from my MacBook

On Sep 22, 2009, at 8:06 PM, Edward O'Callaghan wrote:
> No, As it worked fine before.
>
> I can't see the #if that goes with +#elif defined(__WIN32__) as you
> removed -#if TARGET_OS_MAC.
> Please go over your #if / #endif blocks and trail the #endif with a
> comment. I am willing to bet there is a problem there.
>
> Thanks for your time,
> Edward.
>
> 2009/9/23 Shantonu Sen <ssen at apple.com>:
>> Sounds like your system compiler doesn't support gcc-style builtin
>> atomics.
>> Please use a different compiler?
>>
>> Shantonu
>>
>> Sent from my MacBook
>>
>> On Sep 22, 2009, at 7:54 PM, Edward O'Callaghan wrote:
>>
>>> Breaks Builds on Solaris and AuroraUX with:
>>>
>>> bash-3.2$ make
>>> Scanning dependencies of target BlocksRuntime
>>> [  1%] Building C object
>>> BlocksRuntime/CMakeFiles/BlocksRuntime.dir/runtime.c.o
>>>
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:77:2:
>>> error: #error unknown atomic compare-and-swap primitive
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:
>>> In function 'latching_incr_int':
>>>
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:118:
>>> warning: implicit declaration of function  
>>> 'OSAtomicCompareAndSwapInt'
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:
>>> In function '_Block_dump':
>>>
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:664:
>>> warning: format '%#lx' expects type 'long unsigned
int', but
>>> argument
>>> 3 has type 'unsigned int'
>>>
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:672:
>>> warning: format '%#lx' expects type 'long unsigned
int', but
>>> argument
>>> 3 has type 'unsigned int'
>>>
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:673:
>>> warning: format '%#lx' expects type 'long unsigned
int', but
>>> argument
>>> 3 has type 'unsigned int'
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:
>>> In function '_Block_byref_dump':
>>>
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:688:
>>> warning: format '%#lx' expects type 'long unsigned
int', but
>>> argument
>>> 3 has type 'unsigned int'
>>>
>>> /export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/ 
>>> runtime.c:689:
>>> warning: format '%#lx' expects type 'long unsigned
int', but
>>> argument
>>> 3 has type 'unsigned int'
>>>
>>> Please check these.
>>>
>>> Thank you,
>>> Edward O'Callaghan.
>>>
>>> 2009/9/22 Chris Lattner <clattner at apple.com>:
>>>>
>>>> On Sep 21, 2009, at 9:15 AM, Shantonu Sen wrote:
>>>>
>>>> [forwarding to llvm-commits, which is where i meant to send it
>>>> the first
>>>> time]
>>>>
>>>> The source changes seem fine to me, and I don't have an
opinion
>>>> about the
>>>> build system changes - I suggest committing them and seeing if
>>>> anyone
>>>> screams :)
>>>> Thanks Shantonu,
>>>> -Chris
>>>>
>>>> Ping?
>>>> Shantonu Sen
>>>> ssen at apple.com
>>>> Sent from my Mac Pro
>>>> Begin forwarded message:
>>>>
>>>> From: Shantonu Sen <ssen at apple.com>
>>>> Date: September 18, 2009 11:14:13 AM PDT
>>>> To: LLVM Developers Mailing List <llvmdev at cs.uiuc.edu>
>>>> Subject: [LLVMdev] [PATCH] BlocksRuntime updates for Linux
>>>>
>>>> The attached diff cleans up the BlocksRuntime/ directory of  
>>>> compiler-rt
>>>> for
>>>> better portability, eliminates compiler warnings, and adds  
>>>> support to the
>>>> cmake build to install the results.
>>>>
>>>> More specifically, the changes:
>>>> 1) Remove cmake-specific #define usage from the exported
>>>> Block.h/Block_private.h headers, since clients won't know
what to
>>>> set.
>>>> These
>>>> are moved into runtime.c as appropriate
>>>> 2) Use cmake checks for CAS builtins, instead of guessing based
>>>> on GCC
>>>> #defines (which aren't set by clang and llvm-gcc anyway)
>>>> 3) "#pragma mark" isn't supported by FSF gcc, so
"#if 0" it out. It
>>>> should
>>>> still show up in IDEs that support it
>>>> 4) Fix some compiler warnings. GCC 4.3.3 seems super strict
about
>>>> %p.
>>>> function pointers can't be cast to void * either.
>>>> 5) Avoid a warning for apple_versioning.c that "ISO C does
not
>>>> allow
>>>> empty
>>>> files"
>>>>
>>>> Tested on Ubuntu Linux 9.04 with clang and llvm-gcc and
-fblocks to
>>>> define
>>>> and copy some blocks (and invoke them, obviously). Also tested
on
>>>> Mac OS
>>>> X
>>>> 10.6 and linking against -lBlocksRuntime ahead of -lSystem.
>>>>
>>>> <blocks-linux.diff>
>>>>
>>>> Shantonu Sen
>>>> ssen at apple.com
>>>>
>>>> Sent from my Mac Pro
>>>>
>>>> _______________________________________________
>>>> LLVM Developers mailing list
>>>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>>>
>>>> _______________________________________________
>>>> llvm-commits mailing list
>>>> llvm-commits at cs.uiuc.edu
>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>>
>>>>
>>>> _______________________________________________
>>>> llvm-commits mailing list
>>>> llvm-commits at cs.uiuc.edu
>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> --
>>> Edward O'Callaghan
>>> http://www.auroraux.org/
>>> eocallaghan at auroraux dot org
>>>
>>> _______________________________________________
>>> LLVM Developers mailing list
>>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>
>>
>
>
>
> -- 
> -- 
> Edward O'Callaghan
> http://www.auroraux.org/
> eocallaghan at auroraux dot org
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev

Edward O'Callaghan

2009-Sep-23 04:01 UTC

head link

[LLVMdev] [llvm-commits] [PATCH] BlocksRuntime updates for Linux

Clang does indeed built it with one warning.

[ 55%] Building C object
lib/CMakeFiles/CompilerRT-Common.dir/gcc_personality_v0.c.o
/export/home/edward/lab/llvm/build/compiler-rt/lib/gcc_personality_v0.c:232:36:
warning: implicit declaration of function
'__builtin_eh_return_data_regno' is invalid in C99
      [-Wimplicit-function-declaration]
            _Unwind_SetGR(context, __builtin_eh_return_data_regno(0),
                                   ^
1 diagnostic generated.

I committed a fix for the other warnings and a fix for each of the
#endif, I did not think they where very 'clear/readable' however they
are now.

Thanks for your work on the CMake system btw !

I think we need a 'clean' CMake test for the above problem instead of
the build just blowing up like that.
I guess I will have a look in the morning (its late here) unless you
have already committed something by then.

Cheers,
Edward.

2009/9/23 Shantonu Sen <ssen at apple.com>:> Seems pretty clear cut to me.
>
> #if defined(HAVE_OSATOMIC_COMPARE_AND_SWAP_INT) &&
> defined(HAVE_OSATOMIC_COMPARE_AND_SWAP_LONG)
> ...
> #elif defined(__WIN32__)
> ...
> #elif defined(HAVE_SYNC_BOOL_COMPARE_AND_SWAP_INT) &&
> defined(HAVE_SYNC_BOOL_COMPARE_AND_SWAP_LONG)
> ...
> #else
> #error unknown atomic compare-and-swap primitive
> #endif
>
> The problem isn't mismatched #if/#endif. The #error says it all, cmake
> couldn't detect an appropriate atomic built-in implementation.
>
> Please use llvm-gcc or clang to build compiler-rt. Same as how nobody
> expects to build libgcc with anything other than gcc.
>
> Shantonu
>
> Sent from my MacBook
>
> On Sep 22, 2009, at 8:06 PM, Edward O'Callaghan wrote:
>
>> No, As it worked fine before.
>>
>> I can't see the #if that goes with +#elif defined(__WIN32__) as you
>> removed -#if TARGET_OS_MAC.
>> Please go over your #if / #endif blocks and trail the #endif with a
>> comment. I am willing to bet there is a problem there.
>>
>> Thanks for your time,
>> Edward.
>>
>> 2009/9/23 Shantonu Sen <ssen at apple.com>:
>>>
>>> Sounds like your system compiler doesn't support gcc-style
builtin
>>> atomics.
>>> Please use a different compiler?
>>>
>>> Shantonu
>>>
>>> Sent from my MacBook
>>>
>>> On Sep 22, 2009, at 7:54 PM, Edward O'Callaghan wrote:
>>>
>>>> Breaks Builds on Solaris and AuroraUX with:
>>>>
>>>> bash-3.2$ make
>>>> Scanning dependencies of target BlocksRuntime
>>>> [  1%] Building C object
>>>> BlocksRuntime/CMakeFiles/BlocksRuntime.dir/runtime.c.o
>>>>
>>>>
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:77:2:
>>>> error: #error unknown atomic compare-and-swap primitive
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:
>>>> In function 'latching_incr_int':
>>>>
>>>>
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:118:
>>>> warning: implicit declaration of function
'OSAtomicCompareAndSwapInt'
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:
>>>> In function '_Block_dump':
>>>>
>>>>
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:664:
>>>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>>>> 3 has type 'unsigned int'
>>>>
>>>>
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:672:
>>>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>>>> 3 has type 'unsigned int'
>>>>
>>>>
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:673:
>>>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>>>> 3 has type 'unsigned int'
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:
>>>> In function '_Block_byref_dump':
>>>>
>>>>
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:688:
>>>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>>>> 3 has type 'unsigned int'
>>>>
>>>>
>>>>
/export/home/edward/lab/llvm/build/compiler-rt/BlocksRuntime/runtime.c:689:
>>>> warning: format '%#lx' expects type 'long unsigned
int', but argument
>>>> 3 has type 'unsigned int'
>>>>
>>>> Please check these.
>>>>
>>>> Thank you,
>>>> Edward O'Callaghan.
>>>>
>>>> 2009/9/22 Chris Lattner <clattner at apple.com>:
>>>>>
>>>>> On Sep 21, 2009, at 9:15 AM, Shantonu Sen wrote:
>>>>>
>>>>> [forwarding to llvm-commits, which is where i meant to send
it the
>>>>> first
>>>>> time]
>>>>>
>>>>> The source changes seem fine to me, and I don't have an
opinion about
>>>>> the
>>>>> build system changes - I suggest committing them and seeing
if anyone
>>>>> screams :)
>>>>> Thanks Shantonu,
>>>>> -Chris
>>>>>
>>>>> Ping?
>>>>> Shantonu Sen
>>>>> ssen at apple.com
>>>>> Sent from my Mac Pro
>>>>> Begin forwarded message:
>>>>>
>>>>> From: Shantonu Sen <ssen at apple.com>
>>>>> Date: September 18, 2009 11:14:13 AM PDT
>>>>> To: LLVM Developers Mailing List <llvmdev at
cs.uiuc.edu>
>>>>> Subject: [LLVMdev] [PATCH] BlocksRuntime updates for Linux
>>>>>
>>>>> The attached diff cleans up the BlocksRuntime/ directory of
compiler-rt
>>>>> for
>>>>> better portability, eliminates compiler warnings, and adds
support to
>>>>> the
>>>>> cmake build to install the results.
>>>>>
>>>>> More specifically, the changes:
>>>>> 1) Remove cmake-specific #define usage from the exported
>>>>> Block.h/Block_private.h headers, since clients won't
know what to set.
>>>>> These
>>>>> are moved into runtime.c as appropriate
>>>>> 2) Use cmake checks for CAS builtins, instead of guessing
based on GCC
>>>>> #defines (which aren't set by clang and llvm-gcc
anyway)
>>>>> 3) "#pragma mark" isn't supported by FSF gcc,
so "#if 0" it out. It
>>>>> should
>>>>> still show up in IDEs that support it
>>>>> 4) Fix some compiler warnings. GCC 4.3.3 seems super strict
about %p.
>>>>> function pointers can't be cast to void * either.
>>>>> 5) Avoid a warning for apple_versioning.c that "ISO C
does not allow
>>>>> empty
>>>>> files"
>>>>>
>>>>> Tested on Ubuntu Linux 9.04 with clang and llvm-gcc and
-fblocks to
>>>>> define
>>>>> and copy some blocks (and invoke them, obviously). Also
tested on Mac
>>>>> OS
>>>>> X
>>>>> 10.6 and linking against -lBlocksRuntime ahead of -lSystem.
>>>>>
>>>>> <blocks-linux.diff>
>>>>>
>>>>> Shantonu Sen
>>>>> ssen at apple.com
>>>>>
>>>>> Sent from my Mac Pro
>>>>>
>>>>> _______________________________________________
>>>>> LLVM Developers mailing list
>>>>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>>>>
>>>>> _______________________________________________
>>>>> llvm-commits mailing list
>>>>> llvm-commits at cs.uiuc.edu
>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> llvm-commits mailing list
>>>>> llvm-commits at cs.uiuc.edu
>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> --
>>>> Edward O'Callaghan
>>>> http://www.auroraux.org/
>>>> eocallaghan at auroraux dot org
>>>>
>>>> _______________________________________________
>>>> LLVM Developers mailing list
>>>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>>
>>>
>>
>>
>>
>> --
>> --
>> Edward O'Callaghan
>> http://www.auroraux.org/
>> eocallaghan at auroraux dot org
>>
>> _______________________________________________
>> LLVM Developers mailing list
>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>


-- 
-- 
Edward O'Callaghan
http://www.auroraux.org/
eocallaghan at auroraux dot org

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