c++11 - Clang on WIndows finds VC headers instead of GCC -

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when had clang 3.7 installed find stl headers gcc installation long both 2 directories in path.

now have installed clang 3.8 compiler keeps finding visual studio headers despite fact isn't in path

my path follows:

path=whatever;g:\compilers\llvm\bin;g:\compilers\mingw64-64bit\bin

edit 1

i've know idea correct include paths, tried compilation in codelite found these:

"-ig:\\compilers\\mingw64-64bit\\x86_64-w64-mingw32\\include\\c++"    "-ig:\\compilers\\mingw64-64bit\\x86_64-w64-mingw32\\include\\c++\\x86_64-w64-mingw32" "-ig:\\compilers\\mingw64-64bit\\lib\\gcc\\x86_64-w64-mingw32\\5.1.0\\include" "-ig:\\compilers\\mingw64-64bit\\lib\\gcc\\x86_64-w64-mingw32\\5.1.0\\include-fixed" "-ig:\\compilers\\mingw64-64bit\\x86_64-w64-mingw32\\include"  "-ig:\\compilers\\mingw64-64bit\\x86_64-w64-mingw32\\include\\c++\\backward"

i'm using dialect flag --std=c++11

however simple program using c++ library giving me errors such as

 g:\compilers\mingw64-64bit\x86_64-w64-mingw32\include\c++\bits/stringfwd.h:63:33: error: use of undeclared identifier 'char16_t'    template<> struct char_traits<char16_t>;                             ^

edit 2

now passing x86_64-w64-mingw32 recommended martin, autodiscovery process seems work, produced executable freezes.

i found same when tried use vs2015 clang toolset

the code example using this

#include <iostream>  int main() {    int arr[] = {1, 2, 3, 4, 5};    for(auto el : arr)    {       std::cout << el << std::endl;    }    return 0; }

i compiling with:

clang++ -v --target=x86_64-w64-mingw32 hello.cpp -o test.exe -std=c++14

i have looked @ executable produced dependency walker , showing 64 bit compile , linking "g:\compilers\mingw64-32bit\bin\libstdc++-6.dll"

i think next step try compiling 32 bit version, cannot seem find correct target name that

i have tried clang++ hello.cpp -o main.exe -std=c++14 --target=i686-pc-mingw32 -v

that seems producing 32 bit executable, again freezes

note updated path point 32 bit clang.

edit 3

what find confusing until passed x86_64-w64-mingw32 target got similar errors both passing gcc paths, , default target of msvc both seemed related char16_t , similar types

seeing thought try if passing target might fix vc compiler errors

whilst sort of seems work creates more problems, because keeps asking libs link , don't know correct ones

so tried:

clang++ hello.cpp -o main-vc.exe -std=c++14 --target=x86_64-pc-windows-msvc19.0.0 -v  -xlinker "c:\program files (x86)\microsoft visual studio 14.0\vc\lib\amd64\libcmt.lib"  "c:\program files (x86)\microsoft visual studio 14.0\vc\lib\amd64\libcpmt.lib"  "c:\program files (x86)\microsoft visual studio 14.0\vc\lib\amd64\libvcruntime.lib"  "c:\program files (x86)\windows kits\10\lib\10.0.10586.0\ucrt\x64\libucrt.lib"

i have no idea correct directories pass.

i have feeling need pass lib file getting error

libcmt.lib(thread_safe_statics.obj) : error lnk2019: unresolved external symbol __imp_closehandle

did change target? vc new default. use (example) x64, mingw:

clang++ --target=x86_64-w64-mingw32 test.cpp

don't forget linker wel.


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