r241432 - Teach mingw toolchain the msys2 mingw-w64 distribution C++ dirs.

Sat Jul 11 22:09:20 PDT 2015

What is the output from

> which gcc


2015-07-11 13:59 GMT+03:00 İsmail Dönmez <ismail at donmez.ws>:

> Hi,
>
> Not really answering your questions but I think the problem is clang
> is invoking $TARGET-ld directly, it used to let gcc link so gcc would
> figure out the linker details. See a run with clang 3.6.1 on same
> setup:
>
> λ /usr/bin/clang -v -target x86_64-w64-mingw32 -isystem
> /usr/x86_64-w64-mingw32/sys-root/x86_64-w64-mingw32/include
> randomworks/windows/nic.c -liphlpapi
> clang version 3.6.1 (tags/RELEASE_361/final 238133)
> Target: x86_64-w64-windows-gnu
> Thread model: posix
>  "/usr/bin/clang-3.6" -cc1 -triple x86_64-w64-windows-gnu -emit-obj
> -mrelax-all -disable-free -disable-llvm-verifier -main-file-name nic.c
> -mrelocation-model static -mthread-model posix -mdisable-fp-elim
> -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables
> -target-cpu x86-64 -v -dwarf-column-info -resource-dir
> /usr/bin/../lib64/clang/3.6.1 -isystem
> /usr/x86_64-w64-mingw32/sys-root/x86_64-w64-mingw32/include
> -fdebug-compilation-dir /home/ismail -ferror-limit 19 -fmessage-length
> 126 -mstackrealign -fno-use-cxa-atexit -fobjc-runtime=gcc
> -fdiagnostics-show-option -fcolor-diagnostics -o /tmp/nic-e31eb1.o -x
> c randomworks/windows/nic.c
> clang -cc1 version 3.6.1 based upon LLVM 3.6.1 default target
> x86_64-suse-linux
> ignoring nonexistent directory
> "/usr/bin/../lib64/clang/3.6.1/../../../i686-w64-mingw32/include"
> ignoring nonexistent directory
> "/usr/bin/../lib64/clang/3.6.1/../../../x86_64-w64-mingw32/include"
> ignoring nonexistent directory "/mingw/include"
> ignoring duplicate directory
> "/usr/bin/../lib64/clang/3.6.1/../../../include"
> #include "..." search starts here:
> #include <...> search starts here:
>  /usr/x86_64-w64-mingw32/sys-root/x86_64-w64-mingw32/include
>  /usr/local/include
>  /usr/bin/../lib64/clang/3.6.1/include
>  /usr/bin/../lib64/clang/3.6.1/../../../include
> End of search list.
>  "/usr/bin/x86_64-w64-mingw32-gcc" -v -isystem
> /usr/x86_64-w64-mingw32/sys-root/x86_64-w64-mingw32/include -m64 -o
> a.exe /tmp/nic-e31eb1.o -liphlpapi
> Using built-in specs.
> COLLECT_GCC=/usr/bin/x86_64-w64-mingw32-gcc
> COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/lto-wrapper
> Target: x86_64-w64-mingw32
> Configured with: ../configure --prefix=/usr --bindir=/usr/bin
> --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/lib64
> --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share
> --build=x86_64-suse-linux-gnu --host=x86_64-suse-linux-gnu
> --target=x86_64-w64-mingw32 --with-gnu-as --with-gnu-ld --verbose
> --without-newlib --disable-multilib --disable-plugin
> --with-system-zlib --disable-nls --without-included-gettext
> --disable-win32-registry --enable-version-specific-runtime-libs
> --with-sysroot=/usr/x86_64-w64-mingw32/sys-root
> --enable-languages=c,c++,fortran,objc,obj-c++ --without-x
> --enable-hash-synchronization --enable-fully-dynamic-string
> --enable-libgomp --enable-linker-build-id
> Thread model: win32
> gcc version 5.1.0 (GCC)
>
> COMPILER_PATH=/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/:/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/:/usr/lib64/gcc/x86_64-w64-mingw32/:/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/:/usr/lib64/gcc/x86_64-w64-mingw32/:/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/../../../../x86_64-w64-mingw32/bin/
>
> LIBRARY_PATH=/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/:/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/../../../../x86_64-w64-mingw32/lib/../lib/:/usr/x86_64-w64-mingw32/sys-root/mingw/lib/../lib/:/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/../../../../x86_64-w64-mingw32/lib/:/usr/x86_64-w64-mingw32/sys-root/mingw/lib/
> COLLECT_GCC_OPTIONS='-v' '-isystem'
> '/usr/x86_64-w64-mingw32/sys-root/x86_64-w64-mingw32/include' '-m64'
> '-o' 'a.exe' '-mtune=generic' '-march=x86-64'
>  /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/collect2 -plugin
> /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/liblto_plugin.so
> -plugin-opt=/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/lto-wrapper
> -plugin-opt=-fresolution=/tmp/ccd7Jm2a.res
> -plugin-opt=-pass-through=-lmingw32 -plugin-opt=-pass-through=-lgcc
> -plugin-opt=-pass-through=-lgcc_eh
> -plugin-opt=-pass-through=-lmoldname
> -plugin-opt=-pass-through=-lmingwex -plugin-opt=-pass-through=-lmsvcrt
> -plugin-opt=-pass-through=-ladvapi32
> -plugin-opt=-pass-through=-lshell32 -plugin-opt=-pass-through=-luser32
> -plugin-opt=-pass-through=-lkernel32
> -plugin-opt=-pass-through=-lmingw32 -plugin-opt=-pass-through=-lgcc
> -plugin-opt=-pass-through=-lgcc_eh
> -plugin-opt=-pass-through=-lmoldname
> -plugin-opt=-pass-through=-lmingwex -plugin-opt=-pass-through=-lmsvcrt
> --sysroot=/usr/x86_64-w64-mingw32/sys-root --build-id -m i386pep
> -Bdynamic -o a.exe
> /usr/x86_64-w64-mingw32/sys-root/mingw/lib/../lib/crt2.o
> /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/crtbegin.o
> -L/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0
>
> -L/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/../../../../x86_64-w64-mingw32/lib/../lib
> -L/usr/x86_64-w64-mingw32/sys-root/mingw/lib/../lib
>
> -L/usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/../../../../x86_64-w64-mingw32/lib
> -L/usr/x86_64-w64-mingw32/sys-root/mingw/lib /tmp/nic-e31eb1.o
> -liphlpapi -lmingw32 -lgcc -lgcc_eh -lmoldname -lmingwex -lmsvcrt
> -ladvapi32 -lshell32 -luser32 -lkernel32 -lmingw32 -lgcc -lgcc_eh
> -lmoldname -lmingwex -lmsvcrt
> /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/crtend.o
>
>
> On Fri, Jul 10, 2015 at 9:55 PM, Yaron Keren <yaron.keren at gmail.com>
> wrote:
> > OK, please help me understand,
> >
> > Where are the include directories?
> > Where are the lib directories?
> > Is gcc on the path? where?
> > Should clang have a default hardcoed sysroot location on Linux which is
> not
> > based on clang installed location?
> >
> >
> > 2015-07-10 21:45 GMT+03:00 İsmail Dönmez <ismail at donmez.ws>:
> >>
> >> The problem is this exact command line worked since forever and only
> >> recently regressed thats why I report it.
> >>
> >> On Fri, Jul 10, 2015 at 9:38 PM, Yaron Keren <yaron.keren at gmail.com>
> >> wrote:
> >> > clang can locate  /usr/x86_64-w64-mingw32/sys-root if provided to the
> >> > -sysroot option or deduce sysroot automatically if it finds
> >> > /usr/x86_64-w64-mingw32/sys-root/bin/gcc binary on the path.
> >> >
> >> > clang does not deduce the sysroot from the -isystem directory by
> itself.
> >> >
> >> >
> >> >
> >> >
> >> > 2015-07-10 19:57 GMT+03:00 İsmail Dönmez <ismail at donmez.ws>:
> >> >>
> >> >> Anyhow this is not a nice example since it uses Cygwin's ld. A better
> >> >> example from Linux side:
> >> >>
> >> >> λ clang -v -target x86_64-w64-mingw32 -isystem
> >> >> /usr/x86_64-w64-mingw32/sys-root/x86_64-w64-mingw32/include
> >> >> randomworks/windows/nic.c
> >> >> clang version 3.7.0 (trunk 241471)
> >> >> Target: x86_64-w64-windows-gnu
> >> >> Thread model: posix
> >> >>  "/opt/clang/bin/clang-3.7" -cc1 -triple x86_64-w64-windows-gnu
> >> >> -emit-obj -mrelax-all -disable-free -main-file-name nic.c
> >> >> -mrelocation-model pic -pic-level 2 -mthread-model posix -fmath-errno
> >> >> -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu
> x86-64
> >> >> -momit-leaf-frame-pointer -v -dwarf-column-info -resource-dir
> >> >> /opt/clang/bin/../lib64/clang/3.7.0 -isystem
> >> >> /usr/x86_64-w64-mingw32/sys-root/x86_64-w64-mingw32/include
> >> >> -internal-isystem /opt/clang/bin/../lib64/clang/3.7.0/include
> >> >> -internal-isystem include -internal-isystem include-fixed
> >> >> -internal-isystem /usr/mingw32/include -internal-isystem /usr/include
> >> >> -fdebug-compilation-dir /home/ismail -ferror-limit 19
> -fmessage-length
> >> >> 126 -mstackrealign -fno-use-cxa-atexit -fobjc-runtime=gcc
> >> >> -fdiagnostics-show-option -fcolor-diagnostics -o /tmp/nic-08e945.o -x
> >> >> c randomworks/windows/nic.c
> >> >> clang -cc1 version 3.7.0 based upon LLVM 3.7.0svn default target
> >> >> x86_64-suse-linux
> >> >> ignoring nonexistent directory "include"
> >> >> ignoring nonexistent directory "include-fixed"
> >> >> ignoring nonexistent directory "/usr/mingw32/include"
> >> >> #include "..." search starts here:
> >> >> #include <...> search starts here:
> >> >>  /usr/x86_64-w64-mingw32/sys-root/x86_64-w64-mingw32/include
> >> >>  /opt/clang/bin/../lib64/clang/3.7.0/include
> >> >>  /usr/include
> >> >> End of search list.
> >> >>  "/usr/bin/x86_64-w64-mingw32-ld" -m i386pep -Bdynamic -o a.exe
> crt2.o
> >> >> crtbegin.o -L -L/usr/lib -L/usr/mingw32/lib /tmp/nic-08e945.o
> >> >> -lmingw32 -lgcc_s -lgcc -lmoldname -lmingwex -lmsvcrt -ladvapi32
> >> >> -lshell32 -luser32 -lkernel32 -lmingw32 -lgcc_s -lgcc -lmoldname
> >> >> -lmingwex -lmsvcrt crtend.o
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find crt2.o: No such file or
> >> >> directory
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find crtbegin.o: No such file
> >> >> or directory
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lmingw32
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lgcc_s
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lgcc
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lmoldname
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lmingwex
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lmsvcrt
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -ladvapi32
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lshell32
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -luser32
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lkernel32
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lmingw32
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lgcc_s
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lgcc
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lmoldname
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lmingwex
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find -lmsvcrt
> >> >> /usr/bin/x86_64-w64-mingw32-ld: cannot find crtend.o: No such file or
> >> >> directory
> >> >> clang-3.7: error: linker command failed with exit code 1 (use -v to
> >> >> see invocation)
> >> >>
> >> >>
> >> >> On Fri, Jul 10, 2015 at 7:54 PM, İsmail Dönmez <ismail at donmez.ws>
> >> >> wrote:
> >> >> > This is without any patches (r241901-win64) and the original
> command
> >> >> > line is there:
> >> >> >
> >> >> > clang -v -target x86_64-w64-mingw32 -isystem
> >> >> >  C:/mingw-w64-6.0.0/x86_64-w64-mingw32/include -isystem
> >> >> >  C:/mingw-w64-6.0.0/include/c++/6.0.0 -isystem
> >> >> >  C:/mingw-w64-6.0.0/include/c++/6.0.0/x86_64-w64-mingw32
> >> >> >  randomworks/windows/nic.c
> >> >> >
> >> >> >
> >> >> > On Fri, Jul 10, 2015 at 7:51 PM, Yaron Keren <
> yaron.keren at gmail.com>
> >> >> > wrote:
> >> >> >> This is with or without any patches? what is the original command
> >> >> >> line?
> >> >> >>
> >> >> >>
> >> >> >> 2015-07-10 19:30 GMT+03:00 İsmail Dönmez <ismail at donmez.ws>:
> >> >> >>>
> >> >> >>> Hi,
> >> >> >>>
> >> >> >>> I meant to try these but both on cygwin and linux hosts we have
> >> >> >>> linking regression that goes like:
> >> >> >>>
> >> >> >>> λ clang -v -target x86_64-w64-mingw32 -isystem
> >> >> >>> C:/mingw-w64-6.0.0/x86_64-w64-mingw32/include -isystem
> >> >> >>> C:/mingw-w64-6.0.0/include/c++/6.0.0 -isystem
> >> >> >>> C:/mingw-w64-6.0.0/include/c++/6.0.0/x86_64-w64-mingw32
> >> >> >>> randomworks/windows/nic.c
> >> >> >>> clang version 3.7.0 (https://github.com/llvm-mirror/clang.git
> >> >> >>> ca355c9f413a6ca4941e3033e89e5242e29bd802)
> >> >> >>> Target: x86_64-w64-windows-gnu
> >> >> >>> Thread model: posix
> >> >> >>>  "C:\\Program Files\\LLVM\\bin\\clang.exe" -cc1 -triple
> >> >> >>> x86_64-w64-windows-gnu -emit-obj -mrelax-all -disable-free
> >> >> >>> -main-file-name nic.c -mrelocation-model pic -pic-level 2
> >> >> >>> -mthread-model posix -fmath-errno -masm-verbose
> >> >> >>> -mconstructor-aliases
> >> >> >>> -munwind-tables -target-cpu x86-64 -momit-leaf-frame-pointer -v
> >> >> >>> -dwarf-column-info -resource-dir "C:\\Program
> >> >> >>> Files\\LLVM\\bin\\..\\lib\\clang\\3.7.0" -isystem
> >> >> >>> C:/mingw-w64-6.0.0/x86_64-w64-mingw32/include -isystem
> >> >> >>> C:/mingw-w64-6.0.0/include/c++/6.0.0 -isystem
> >> >> >>> C:/mingw-w64-6.0.0/include/c++/6.0.0/x86_64-w64-mingw32
> >> >> >>> -internal-isystem "C:\\Program
> >> >> >>> Files\\LLVM\\bin\\..\\lib\\clang\\3.7.0\\include"
> -internal-isystem
> >> >> >>> include -internal-isystem include-fixed -internal-isystem
> >> >> >>> "C:\\cygwin64\\mingw32\\include" -internal-isystem
> >> >> >>> "C:\\cygwin64\\include" -std=c11 -fdebug-compilation-dir
> >> >> >>> "C:\\cygwin64\\home\\ismail" -ferror-limit 19 -fmessage-length 0
> >> >> >>> -mstackrealign -fno-use-cxa-atexit -fobjc-runtime=gcc
> >> >> >>> -fdiagnostics-show-option -fcolor-diagnostics -fansi-escape-codes
> >> >> >>> -o
> >> >> >>> "C:\\cygwin64\\tmp\\nic-6bff3b.o" -x c randomworks/windows/nic.c
> >> >> >>> clang -cc1 version 3.7.0 based upon LLVM 3.7.0svn default target
> >> >> >>> x86_64-pc-windows-msvc
> >> >> >>> ignoring nonexistent directory "include"
> >> >> >>> ignoring nonexistent directory "include-fixed"
> >> >> >>> ignoring nonexistent directory "C:\cygwin64\mingw32\include"
> >> >> >>> ignoring nonexistent directory "C:\cygwin64\include"
> >> >> >>> #include "..." search starts here:
> >> >> >>> #include <...> search starts here:
> >> >> >>>  C:/mingw-w64-6.0.0/x86_64-w64-mingw32/include
> >> >> >>>  C:/mingw-w64-6.0.0/include/c++/6.0.0
> >> >> >>>  C:/mingw-w64-6.0.0/include/c++/6.0.0/x86_64-w64-mingw32
> >> >> >>>  C:\Program Files\LLVM\bin\..\lib\clang\3.7.0\include
> >> >> >>> End of search list.
> >> >> >>>  "C:\\cygwin64\\bin\\ld.exe" -m i386pep -Bdynamic -o a.exe crt2.o
> >> >> >>> crtbegin.o -L "-LC:\\cygwin64\\lib"
> "-LC:\\cygwin64\\mingw32\\lib"
> >> >> >>> "C:\\cygwin64\\tmp\\nic-6bff3b.o" -lmingw32 -lgcc_s -lgcc
> >> >> >>> -lmoldname
> >> >> >>> -lmingwex -lmsvcrt -ladvapi32 -lshell32 -luser32 -lkernel32
> >> >> >>> -lmingw32
> >> >> >>> -lgcc_s -lgcc -lmoldname -lmingwex -lmsvcrt crtend.o
> >> >> >>> /usr/bin/ld: cannot find crt2.o: No such file or directory
> >> >> >>> /usr/bin/ld: cannot find crtbegin.o: No such file or directory
> >> >> >>> /usr/bin/ld: cannot find -lmingw32
> >> >> >>> /usr/bin/ld: cannot find -lgcc_s
> >> >> >>> /usr/bin/ld: cannot find -lgcc
> >> >> >>> /usr/bin/ld: cannot find -lmoldname
> >> >> >>> /usr/bin/ld: cannot find -lmingwex
> >> >> >>> /usr/bin/ld: cannot find -lmsvcrt
> >> >> >>> /usr/bin/ld: cannot find -lmingw32
> >> >> >>> /usr/bin/ld: cannot find -lgcc_s
> >> >> >>> /usr/bin/ld: cannot find -lgcc
> >> >> >>> /usr/bin/ld: cannot find -lmoldname
> >> >> >>> /usr/bin/ld: cannot find -lmingwex
> >> >> >>> /usr/bin/ld: cannot find -lmsvcrt
> >> >> >>> /usr/bin/ld: cannot find crtend.o: No such file or directory
> >> >> >>> clang.exe: error: linker command failed with exit code 1 (use -v
> to
> >> >> >>> see invocation)
> >> >> >>>
> >> >> >>> Any ideas? Also reproducible with gcc 5.1.1 on Linux.
> >> >> >>>
> >> >> >>>
> >> >> >>> On Tue, Jul 7, 2015 at 6:19 PM, Yaron Keren <
> yaron.keren at gmail.com>
> >> >> >>> wrote:
> >> >> >>> > Here is a patch honoring sysroot for ld, let me know if it
> works
> >> >> >>> > for
> >> >> >>> > you.
> >> >> >>> >
> >> >> >>> > 2015-07-07 12:13 GMT+03:00 Yaron Keren <yaron.keren at gmail.com
> >:
> >> >> >>> >>
> >> >> >>> >> Hi,  Please see if the attached patch works on opensuse.
> >> >> >>> >>
> >> >> >>> >> I'll look at the cygnus ld issue later.
> >> >> >>> >>
> >> >> >>> >>
> >> >> >>> >> 2015-07-07 10:38 GMT+03:00 İsmail Dönmez <ismail at donmez.ws>:
> >> >> >>> >>>
> >> >> >>> >>> Hi,
> >> >> >>> >>>
> >> >> >>> >>> On Mon, Jul 6, 2015 at 10:40 AM, Yaron Keren
> >> >> >>> >>> <yaron.keren at gmail.com>
> >> >> >>> >>> wrote:
> >> >> >>> >>> > Author: yrnkrn
> >> >> >>> >>> > Date: Mon Jul  6 02:40:10 2015
> >> >> >>> >>> > New Revision: 241432
> >> >> >>> >>> >
> >> >> >>> >>> > URL:
> http://llvm.org/viewvc/llvm-project?rev=241432&view=rev
> >> >> >>> >>> > Log:
> >> >> >>> >>> > Teach mingw toolchain the msys2 mingw-w64 distribution C++
> >> >> >>> >>> > dirs.
> >> >> >>> >>> >
> >> >> >>> >>> >
> >> >> >>> >>> > Modified:
> >> >> >>> >>> >     cfe/trunk/lib/Driver/MinGWToolChain.cpp
> >> >> >>> >>> >     cfe/trunk/lib/Driver/ToolChains.h
> >> >> >>> >>>
> >> >> >>> >>> I tried this revision on openSUSE MinGW toolchain and its
> >> >> >>> >>> missing
> >> >> >>> >>> one
> >> >> >>> >>> include path, which is
> $GCC_ROOT/nclude/c++/x86_64-w64-mingw32
> >> >> >>> >>> which
> >> >> >>> >>> contains "bits" and "ext" directories. Would you mind adding
> >> >> >>> >>> that
> >> >> >>> >>> to
> >> >> >>> >>> the list too?
> >> >> >>> >>>
> >> >> >>> >>> Thanks!
> >> >> >>> >>
> >> >> >>> >>
> >> >> >>> >
> >> >> >>
> >> >> >>
> >> >
> >> >
> >
> >
>
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