Re: [boost] Compiling with Clang 3.7.0 from windows

Subject: Re: [boost] Compiling with Clang 3.7.0 from windows
From: Paul A. Bristow (pbristow_at_[hidden])
Date: 2015-09-03 12:02:41

> -----Original Message-----
> From: Boost [mailto:boost-bounces_at_[hidden]] On Behalf Of Vladimir Prus
> Sent: 03 September 2015 16:22
> To: boost_at_[hidden]
> Subject: Re: [boost] Compiling with Clang 3.7.0 from windows
> 
> On 03-Sep-15 5:02 PM, Paul A. Bristow wrote:
> > [Also example>b2 -a toolset=clang-3.7.0 address-model=64
> >
> > fails to link as with no address-model specified (so default is 64 bit?)].
> >
> > Suggestions?
> >
> > (Have I got the wrong version of mingw?  I have others from ming64 - how do I specify to use
> those?)
> 
> Can you get hello-world to compile by hand? Like:
> 
> 	"C:\Program Files\LLVM\bin\clang++.exe" -g -m64 hello.cpp

No

J:\Cpp\Misc\HelloWorld>"C:\Program Files\LLVM\bin\clang++.exe" -g -m64 -v hello.cpp
clang version 3.7.0 (tags/RELEASE_370/final)
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 hello.cpp -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 -g -dwarf-column-info -resource-dir "C:\\Program
Files\\LLVM\\bin\\..\\lib\\clang\\3.7.0" -internal-isystem "c:\\mingw\\mingw32\\include\\c++"
-internal-isystem "c:\\mingw\\mingw32\\include\\c++\\mingw32" -internal-isystem
"c:\\mingw\\mingw32\\include\\c++\\backward" -internal-isystem
"c:\\mingw\\mingw32\\include\\c++\\4.8.1" -internal-isystem
"c:\\mingw\\mingw32\\include\\c++\\4.8.1\\mingw32" -internal-isystem
"c:\\mingw\\mingw32\\include\\c++\\4.8.1\\backward" -internal-isystem
"c:\\mingw\\include\\c++\\4.8.1" -internal-isystem "c:\\mingw\\include\\c++\\4.8.1\\mingw32"
-internal-isystem "c:\\mingw\\include\\c++\\4.8.1\\backward" -internal-isystem
"c:\\mingw\\lib\\gcc\\mingw32\\4.8.1\\include\\c++" -internal-isystem
"c:\\mingw\\lib\\gcc\\mingw32\\4.8.1\\include\\c++\\mingw32" -internal-isystem
"c:\\mingw\\lib\\gcc\\mingw32\\4.8.1\\include\\c++\\backward" -internal-isystem "C:\\Program
Files\\LLVM\\bin\\..\\lib\\clang\\3.7.0\\include" -internal-isystem
"c:\\mingw\\lib\\gcc\\mingw32\\4.8.1\\include" -internal-isystem
"c:\\mingw\\mingw32/sys-root/mingw/include" -internal-isystem
"c:\\mingw\\lib\\gcc\\mingw32\\4.8.1\\include-fixed" -internal-isystem "c:\\mingw\\mingw32\\include"
-internal-isystem "c:\\mingw\\include" -fdeprecated-macro -fdebug-compilation-dir
"J:\\Cpp\\Misc\\HelloWorld" -ferror-limit 19 -fmessage-length 100 -mstackrealign -fno-use-cxa-atexit
-fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o
"C:\\Users\\Paul\\AppData\\Local\\Temp\\hello-fe67e3.o" -x c++ hello.cpp
clang -cc1 version 3.7.0 based upon LLVM 3.7.0 default target x86_64-w64-windows-gnu
ignoring nonexistent directory "c:\mingw\mingw32\include\c++"
ignoring nonexistent directory "c:\mingw\mingw32\include\c++\mingw32"
ignoring nonexistent directory "c:\mingw\mingw32\include\c++\backward"
ignoring nonexistent directory "c:\mingw\mingw32\include\c++\4.8.1"
ignoring nonexistent directory "c:\mingw\mingw32\include\c++\4.8.1\mingw32"
ignoring nonexistent directory "c:\mingw\mingw32\include\c++\4.8.1\backward"
ignoring nonexistent directory "c:\mingw\include\c++\4.8.1"
ignoring nonexistent directory "c:\mingw\include\c++\4.8.1\mingw32"
ignoring nonexistent directory "c:\mingw\include\c++\4.8.1\backward"
ignoring nonexistent directory "c:\mingw\mingw32/sys-root/mingw/include"
ignoring nonexistent directory "c:\mingw\mingw32\include"
#include "..." search starts here:
#include <...> search starts here:
 c:\mingw\lib\gcc\mingw32\4.8.1\include\c++
 c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\mingw32
 c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\backward
 C:\Program Files\LLVM\bin\..\lib\clang\3.7.0\include
 c:\mingw\lib\gcc\mingw32\4.8.1\include
 c:\mingw\lib\gcc\mingw32\4.8.1\include-fixed
 c:\mingw\include
End of search list.
 "c:\\mingw\\bin\\ld.exe" -m i386pep -Bdynamic -o a.exe "c:\\mingw\\lib\\crt2.o"
"c:\\mingw\\lib\\gcc\\mingw32\\4.8.1\\crtbegin.o" "-Lc:\\mingw\\lib\\gcc\\mingw32\\4.8.1"
"-Lc:\\mingw\\mingw32\\lib" "-Lc:\\mingw\\lib" "-Lc:\\mingw\\mingw32/sys-root/mingw/lib"
"C:\\Users\\Paul\\AppData\\Local\\Temp\\hello-fe67e3.o" -lstdc++ -lmingw32 -lgcc_s -lgcc -lmoldname
-lmingwex -lmsvcrt -ladvapi32 -lshell32 -luser32 -lkernel32 -lmingw32 -lgcc_s -lgcc -lmoldname
-lmingwex -lmsvcrt "c:\\mingw\\lib\\gcc\\mingw32\\4.8.1\\crtend.o"
c:\mingw\bin\ld.exe: unrecognised emulation mode: i386pep
Supported emulations: i386pe
clang++.exe: error: linker command failed with exit code 1 (use -v to see invocation)

> ? Which MinGW are you using? 

Not the right one :-((

Which one do LLVM folks recommend to use?

I'm confused, as ever.

But seeing this apparently self-contradicting message:

c:\mingw\bin\ld.exe: unrecognised emulation mode: i386pep
Supported emulations: i386pe

I think I'd prefer not to use any version!

I think Edward Diener post gives me more clues on what I am doing wrong.

I'll try his suggestion and report back.

Thanks, as ever.

Paul

---
Paul A. Bristow
Prizet Farmhouse
Kendal UK LA8 8AB
[phone]