[odb-users] compiling odb library
phillip.shelton at cardno.com.au
Tue Mar 15 17:54:49 EDT 2022
Thank you for your continued help.
Following the instructions in your last reply:
I created a new empty directory
>From within that directory, I created a new project and tried to set the config.
>C:\compilers\hello>bdep new -t exe hello
>created new executable project hello in C:\compilers\hello\hello\
>C:\compilers\hello>b hello\ config.cxx=g++.exe
>terminate called after throwing an instance of 'butl::invalid_basic_path<char>'
> what(): invalid filesystem path
It failed with the same error. So I then ran the check commands.
First it is the version information.
>Using built-in specs.
>Configured with: ../configure --prefix=/R/winlibs64_stage/inst_gcc-11.2.0/share/gcc --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32 --enable-offload-targets=nvptx-none --with-pkgversion='MinGW-W64 x86_64-ucrt-posix-seh, built by Brecht Sanders' --with-tune=generic --enable-checking=release --enable-threads=posix --disable-sjlj-exceptions --disable-libunwind-exceptions --disable-serial-configure --disable-bootstrap --enable-host-shared --enable-plugin --disable-default-ssp --disable-rpath --enable-libstdcxx-pch --enable-libstdcxx-time=yes --disable-libstdcxx-debug --disable-version-specific-runtime-libs --with-stabs --disable-symvers --enable-languages=c,c++,fortran,lto,objc,obj-c++,d,jit --disable-gold --disable-nls --disable-stage1-checking --disable-win32-registry --disable-multilib --enable-ld --enable-libquadmath --enable-libada --enable-libssp --enable-libstdcxx --enable-lto --enable-fully-dynamic-string --enable-libgomp --enable-graphite --enable-mingw-wildcard --with-mpc=/d/Prog/winlibs64_stage/custombuilt --with-mpfr=/d/Prog/winlibs64_stage/custombuilt --with-gmp=/d/Prog/winlibs64_stage/custombuilt --with-isl=/d/Prog/winlibs64_stage/custombuilt --enable-install-libiberty --enable-__cxa_atexit --without-included-gettext --with-diagnostics-color=auto --enable-clocale=generic --with-libiconv --with-system-zlib --with-build-sysroot=/R/winlibs64_stage/gcc-11.2.0/build_mingw/mingw-w64 CFLAGS=-I/d/Prog/winlibs64_stage/custombuilt/include/libdl-win32
>Thread model: posix
>Supported LTO compression algorithms: zlib zstd
>gcc version 11.2.0 (MinGW-W64 x86_64-ucrt-posix-seh, built by Brecht Sanders)
Then it was print-multiarch, which returned only a newline. (file paths on windows need to contain at least one non-white space character.)
Then it was dumpmachine, and this returned the 'Target' from the version data.
Then I created a test file with an empty comment as its only contents. And tried to compile it as a c++ file, while asking the compiler to only run the pre-processor and write the processed output to the terminal. (I think that is what that set of parameters means)
>C:\compilers\hello>echo // >dummy
>C:\compilers\hello>g++ -x c++ -E - <dummy
>cc1plus.exe: warning: is shorter than expected
># 0 "<stdin>"
># 0 "<built-in>"
># 0 "<command-line>"
># 1 "<stdin>"
Should I run the same set of commands using the build2 gcc compiler?
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From: Boris Kolpackov <boris at codesynthesis.com>
Sent: Tuesday, 15 March 2022 8:39 PM
To: Phillip Shelton <phillip.shelton at cardno.com.au>
Cc: odb-users at codesynthesis.com
Subject: Re: [odb-users] compiling odb library
Phillip Shelton <phillip.shelton at cardno.com.au> writes:
> C:\compilers\odb_build>where g++
> C:\compilers\odb_build>bpkg create -d libodb-mingw-release cc
> config.cxx=g++ config.cc.coptions=-02
> config.install.root=c:\compilers\odb\release --wipe
This should work.
> terminate called after throwing an instance of 'butl::invalid_basic_path<char>'
> what(): invalid filesystem path
Hm, I wonder if it's something in the output of your MinGW GCC that trips build2 up. Can you try this in some temporary directory:
> bdep new -t exe hello
> b hello\ config.cxx=g++.exe
If you get the same error, can you send the output of the following command (they are executed by build2 underneath to query various compiler properties):
> g++ -v
> g++ -print-multiarch
> g++ -dumpmachine
> echo // >dummy
> g++ -x c++ -E - <dummy
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