[cfe-dev] i686-pc-mingw32-g++.exe: error: unrecognized command line option '-Weverything'

[Anton Korobeynikov]

Hello

This is well-known problem of forwarding unsupported arguments to gcc.
In this particular case it's -Weverything which is forwarded to
mingw32's g++ which is used like an assembler here.

On Sun, May 26, 2013 at 10:47 PM, Mailing List Email
<mailinglistx at gmail.com> wrote:
> Hi all,
>
> I am building clang from the latest svn.
> I've successfully managed to build clang, but I cannot compile a simple
> program.
> So I built clang with mingw (x86) based on gcc 4.8.0 and copied the
> executables to the mingw bin directory.
>
> This is the command line I use to build a simple program:
>
> clang++ -isystem"D:\Dropbox\Stuff\Projects\llvm\build\lib\clang\3.4\include"
> -isystem"C:\test\mingw32-4.8.0-x86\i686-pc-mingw32\include"
> -isystem"C:\test\mingw32-4.8.0-x86\include\c++\4.8.0"
> -isystem"C:\test\mingw32-4.8.0-x86\include\c++\4.8.0\i686-pc-mingw32"
> -isystem"C:\Program Files\Gecode\include"
> -L"D:\Dropbox\Stuff\Projects\gecode-4.0.0\build_clang" -Weverything
> -std=c++11 -Wno-c++98-compat -Wno-c++98-compat-pedantic
> -Wno-exit-time-destructors -Wno-global-constructors Temp.cpp
>
> When I compile the source, I get this:
>
> clang version 3.4 (182718)
> Target: i686-pc-mingw32
> Thread model: posix
>  "C:/test/mingw32-4.8.0-x86/bin/clang++.exe" -cc1 -triple i686-pc-mingw32 -S
> -disable-free -disable-llvm-verifier -main-file-name Temp.cpp
> -mrelocation-model static -mdisable-fp-elim -fmath-errno
> -mconstructor-aliases -target-cpu pentium4 -v -resource-dir
> "C:/test/mingw32-4.8.0-x86/bin\\..\\lib\\clang\\3.4" -isystem
> "D:\\Dropbox\\Stuff\\Projects\\llvm\\build\\lib\\clang\\3.4\\include"
> -isystem "C:\\test\\mingw32-4.8.0-x86\\i686-pc-mingw32\\include" -isystem
> "C:\\test\\mingw32-4.8.0-x86\\include\\c++\\4.8.0" -isystem
> "C:\\test\\mingw32-4.8.0-x86\\include\\c++\\4.8.0\\i686-pc-mingw32" -isystem
> "C:\\Program Files\\Gecode\\include" -Weverything -Wno-c++98-compat
> -Wno-c++98-compat-pedantic -Wno-exit-time-destructors
> -Wno-global-constructors -std=c++11 -fdeprecated-macro
> -fno-dwarf-directory-asm -ferror-limit 19 -fmessage-length 0 -mstackrealign
> -fno-use-cxa-atexit -fobjc-runtime=gcc -fobjc-default-synthesize-properties
> -fcxx-exceptions -fexceptions -fdiagnostics-show-option -backend-option
> -vectorize-loops -o C:/Users/Mana/AppData/Local/Temp/Temp-155285.s -x c++
> Temp.cpp
> clang -cc1 version 3.4 based upon LLVM 3.4svn default target i686-pc-mingw32
>
>  "C:/test/mingw32-4.8.0-x86/bin/i686-pc-mingw32-g++.exe" -isystem
> "D:\\Dropbox\\Stuff\\Projects\\llvm\\build\\lib\\clang\\3.4\\include"
> -isystem "C:\\test\\mingw32-4.8.0-x86\\i686-pc-mingw32\\include" -isystem
> "C:\\test\\mingw32-4.8.0-x86\\include\\c++\\4.8.0" -isystem
> "C:\\test\\mingw32-4.8.0-x86\\include\\c++\\4.8.0\\i686-pc-mingw32" -isystem
> "C:\\Program Files\\Gecode\\include"
> "-LD:\\Dropbox\\Stuff\\Projects\\gecode-4.0.0\\build_clang" -Weverything
> -std=c++11 -Wno-c++98-compat -Wno-c++98-compat-pedantic
> -Wno-exit-time-destructors -Wno-global-constructors -v -c -m32 -o
> C:/Users/Mana/AppData/Local/Temp/Temp-155286.o -x assembler
> C:/Users/Mana/AppData/Local/Temp/Temp-155285.s
> Built by Equation Solution <http://www.Equation.com>.
> Using built-in specs.
> COLLECT_GCC=C:/test/mingw32-4.8.0-x86/bin/i686-pc-mingw32-g++.exe
> i686-pc-mingw32-g++.exe: error: unrecognized command line option
> '-Weverything'
> Target: i686-pc-mingw32
> Configured with: ../gcc-4.8.0-mingw/configure --host=i686-pc-mingw32
> --build=x86_64-unknown-linux-gnu --target=i686-pc-mingw32
> --prefix=/home/gfortran/gcc-home/binary/mingw32/native/x86_32/gcc/4.8.0
> --with-gcc --with-gnu-as --with-gnu-ld
> --with-cloog=/home/gfortran/gcc-home/binary/mingw32/native/x86_32/cloog
> --with-gmp=/home/gfortran/gcc-home/binary/mingw32/native/x86_32/gmp
> --with-mpfr=/home/gfortran/gcc-home/binary/mingw32/native/x86_32/mpfr
> --with-mpc=/home/gfortran/gcc-home/binary/mingw32/native/x86_32/mpc
> --with-isl=/home/gfortran/gcc-home/binary/mingw32/native/x86_32/isl
> --enable-cloog-backend=isl
> --with-sysroot=/home/gfortran/gcc-home/binary/mingw32/cross/x86_32/gcc/4.8.0
> --disable-shared --disable-nls --disable-tls --disable-win32-registry
> --enable-build-with-cxx --enable-libquadmath-support --enable-libquadmath
> --enable-languages=c,c++,fortran --enable-libgomp --enable-threads=win32
> --enable-lto --enable-static --enable-shared=lto-plugin --enable-plugins
> --enable-ld=yes
> Thread model: win32
> gcc version 4.8.0 (GCC)
> clang++.exe: error: assembler (via gcc) command failed with exit code 1 (use
> -v to see invocation)
>
> What is the problem here? Is clang incorrectly configured or is this version
> of g++ just incompatible with clang++?
>
> To make clang, I simply use:
>
> cmake -G "Ninja" -DCMAKE_BUILD_TYPE=Release ..
> start /low /affinity 7f /b ninja
>
> (Using mingw based on gcc 4.8.0.)
>
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>



-- 
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University