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 <[email protected]>: > 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 <[email protected]> > 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 <[email protected]>: > >> > >> 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 <[email protected]> > 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 <[email protected]> > >> > wrote: > >> >> This is with or without any patches? what is the original command > line? > >> >> > >> >> > >> >> 2015-07-10 19:30 GMT+03:00 İsmail Dönmez <[email protected]>: > >> >>> > >> >>> 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 <[email protected]> > >> >>> 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 <[email protected]>: > >> >>> >> > >> >>> >> 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 <[email protected]>: > >> >>> >>> > >> >>> >>> Hi, > >> >>> >>> > >> >>> >>> On Mon, Jul 6, 2015 at 10:40 AM, Yaron Keren > >> >>> >>> <[email protected]> > >> >>> >>> 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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