[cfe-dev] clang compiler error

[Hal Finkel]

----- Original Message -----
> From: "Andras Csizmadia" <andras at vpmedia.hu>
> To: cfe-dev at cs.uiuc.edu
> Sent: Saturday, April 26, 2014 11:45:08 AM
> Subject: [cfe-dev] clang compiler error
> 
> Hi,
> 
> I'm trying to compile a special version of llvm+clang targeting flash
> as3
> ( https://github.com/vpmedia/crossbridge/blob/futures/ ) and i've
> got an error message which i cannot solve..
> 
> The following cpp script is a module source of swig:
> https://github.com/vpmedia/crossbridge/blob/futures/swig-2.0.4/Source/Modules/as3.cxx
> 
> Any tips how should i debug the following error? (I'm pretty new to
> clang and cpp)
> 
> COMPILER LOG PART:
> 
> ignoring nonexistent directory
> "/cygdrive/f/crossbridge/sdk/usr/platform/cygwin/bin/../lib/clang/3.2
> /include"
> #include "..." search starts here:
> #include <...> search starts here:
>   ../Source/Include
>   ../Source/CParse
>   /cygdrive/f/crossbridge/swig-2.0.4/Source/Include
>   /cygdrive/f/crossbridge/swig-2.0.4/Source/DOH
>   /cygdrive/f/crossbridge/swig-2.0.4/Source/CParse
>   /cygdrive/f/crossbridge/swig-2.0.4/Source/Preprocessor
>   /cygdrive/f/crossbridge/swig-2.0.4/Source/Swig
>   /cygdrive/f/crossbridge/swig-2.0.4/Source/Modules
>   /cygdrive/f/crossbridge/build/win/swig/pcre/pcre-swig-install/include
>   /cygdrive/f/crossbridge/avm2_env/misc
>   /cygdrive/f/crossbridge/llvm-3.2/include
>   /cygdrive/f/crossbridge/build/win/llvm-debug/include
>   /cygdrive/f/crossbridge/llvm-3.2/tools/clang/include
>   /cygdrive/f/crossbridge/build/win/llvm-debug/tools/clang/include
>   /cygdrive/f/crossbridge/llvm-3.2/tools/clang/lib
>   /cygdrive/f/crossbridge/sdk/usr/bin/../../usr/include/c++/v1
>   /cygdrive/f/crossbridge/sdk/usr/bin/../../usr/include
> End of search list.
> Stack dump:
> 0.      Program arguments:
> /cygdrive/f/crossbridge/sdk/usr/platform/cygwin/bin/clang++ -cc1
> -triple
> avm2-unknown-freebsd8 -S -disable-free -disable-llvm-verifier
> -main-file-name as3.cxx -mrelocation-m
> odel static -mdisable-fp-elim -fmath-errno -momit-leaf-frame-pointer
> -v
> -g -coverage-file /tmp/as3-7
> tqBPF.s -resource-dir
> /cygdrive/f/crossbridge/sdk/usr/platform/cygwin/bin/../lib/clang/3.2
> -dependen
> cy-file Modules/.deps/as3.Tpo -sys-header-deps -MP -MT Modules/as3.o
> -D
> HAVE_CONFIG_H -D PCRE_STATIC
>   -D __STDC_LIMIT_MACROS -D __STDC_CONSTANT_MACROS -I
>   ../Source/Include
> -I ../Source/CParse -I /cygdr
> ive/f/crossbridge/swig-2.0.4/Source/Include -I
> /cygdrive/f/crossbridge/swig-2.0.4/Source/DOH -I /cyg
> drive/f/crossbridge/swig-2.0.4/Source/CParse -I
> /cygdrive/f/crossbridge/swig-2.0.4/Source/Preprocess
> or -I /cygdrive/f/crossbridge/swig-2.0.4/Source/Swig -I
> /cygdrive/f/crossbridge/swig-2.0.4/Source/Mo
> dules -I
> /cygdrive/f/crossbridge/build/win/swig/pcre/pcre-swig-install/include
> -I
> /cygdrive/f/crossb
> ridge/avm2_env/misc/ -I /cygdrive/f/crossbridge/llvm-3.2/include -I
> /cygdrive/f/crossbridge/build/wi
> n/llvm-debug/include -I
> /cygdrive/f/crossbridge/llvm-3.2/tools/clang/include -I
> /cygdrive/f/crossbri
> dge/build/win/llvm-debug/tools/clang/include -I
> /cygdrive/f/crossbridge/llvm-3.2/tools/clang/lib -is
> ysroot /cygdrive/f/crossbridge/sdk/usr/bin/../.. -fmodule-cache-path
> /var/tmp/clang-module-cache -Wn
> o-long-long -fdeprecated-macro -fno-dwarf-directory-asm
> -fdebug-compilation-dir /cygdrive/f/crossbri
> dge/build/win/swig/Source -ferror-limit 19 -fmessage-length 100
> -mstackrealign -fno-rtti -fobjc-runt
> ime=gcc -fcxx-exceptions -fexceptions -fsjlj-exceptions
> -fdiagnostics-show-option -fcolor-diagnostic
> s -o /tmp/as3-7tqBPF.s -x c++
> /cygdrive/f/crossbridge/swig-2.0.4/Source/Modules/as3.cxx
> 1.      <eof> parser at end of file
> 2.      Code generation
> 3.      Running pass 'Function Pass Manager' on module
> '/cygdrive/f/crossbridge/swig-2.0.4/Source/Mo
> dules/as3.cxx'.
> 4.      Running pass 'AVM2 Assembly Printer' on function
> '@_ZNSt3__16__treeINS_12basic_stringIcNS_11
> char_traitsIcEENS_9allocatorIcEEEENS_4lessIS6_EENS4_IS6_EEE16__construct_nodeERKS6_'
>   "/cygdrive/f/crossbridge/sdk/usr/bin/avm2-as" -o Modules/as3.o
> /tmp/as3-7tqBPF.s
> Error: Failed to open /tmp/as3-7tqBPF.s for input

This does not look like a code error. Rather, it seems that the backend did not actually produce the output assembly file that it should have (/tmp/as3-7tqBPF.s in this case). Is it possible that you don't have a writable /tmp in your cygwin environment?

 -Hal

> clang++: error: assembler command failed with exit code 255 (use -v
> to
> see invocation)
> make[4]: *** [Modules/as3.o] Error 255
> make[4]: Leaving directory
> `/cygdrive/f/crossbridge/build/win/swig/Source'
> make[3]: *** [all] Error 2
> make[3]: Leaving directory
> `/cygdrive/f/crossbridge/build/win/swig/Source'
> make[2]: *** [source] Error 2
> make[2]: Leaving directory `/cygdrive/f/crossbridge/build/win/swig'
> make[1]: *** [swig] Error 2
> make[1]: Leaving directory `/cygdrive/f/crossbridge'
> 
> My problem is that i cannot see any line numbers about where should i
> search for code errors, and the codebase is  not written but myself,
> just trying to do some maintenance.
> 
> 
> Best regards!
> Andras Csizmadia
> 
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> 

-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory