I just started using clang-cl 3.7 on Windows.
I tried to compile my code on my WIN8.1 machine through Visual studio 2015, and trough command line. Needless to say that before that, in the same cmd, I ran vsvarsall
with the amd64
option.
Here is my code:
#define UNICODE
#include <Windows.h>
#include <iostream>
int main() {
int a = 0;
if(0)
__asm _emit 0xE8
else
a=3;
if (IsDebuggerPresent())
MessageBox(
NULL,
(LPCWSTR)L"Debugger detected!!",
(LPCWSTR)L"!!!!!",
MB_ICONWARNING | MB_CANCELTRYCONTINUE | MB_DEFBUTTON2
);
return 0;
}
Here is what I put in the command line:
C:\Program Files\LLVM\bin>"C:\Program Files\LLVM\bin\clang-cl.exe" "C:\Users\Dav
id\Source\Repos\DY Obfuscator 2015-20162\DY Obfuscator\Source.cpp"
Compiling in VS2015 worked ok, but I cant compile on the command line because I get this error:
C:\Program Files\LLVM\bin>"C:\Program Files\LLVM\bin\clang-cl.exe" C:\test\Sourc
e.cpp
In file included from C:\test\Source.cpp:3:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\iostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\istream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ios:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocnum:7:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\cmath:656:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xtgmath.h:8:
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xtr1common(207,22
) : error:
use of undeclared identifier 'char16_t'
struct _Is_integral<char16_t>
^
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xtr1common(213,22
) : error:
use of undeclared identifier 'char32_t'
struct _Is_integral<char32_t>
^
In file included from C:\test\Source.cpp:3:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\iostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\istream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ios:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocnum:10:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\streambuf:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xiosbase:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocale:8:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\stdexcept:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\exception:7:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\type_traits:6:
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xstddef(405,14) :
error:
use of undeclared identifier 'char16_t'
struct hash<char16_t>
^
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xstddef(411,14) :
error:
use of undeclared identifier 'char32_t'
struct hash<char32_t>
^
In file included from C:\test\Source.cpp:3:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\iostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\istream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ios:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocnum:10:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\streambuf:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xiosbase:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocale:8:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\stdexcept:7:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xstring:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xmemory0:8:
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\limits(611,33) :
error:
use of undeclared identifier 'char16_t'
template<> class numeric_limits<char16_t>
^
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\limits(901,33) :
error:
use of undeclared identifier 'char32_t'
template<> class numeric_limits<char32_t>
^
In file included from C:\test\Source.cpp:3:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\iostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\istream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ios:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocnum:10:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\streambuf:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xiosbase:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocale:8:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\stdexcept:7:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xstring:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xmemory0:10:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xutility:8:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\utility:7:
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\iosfwd(267,21) :
error:
use of undeclared identifier 'char16_t'
struct char_traits<char16_t>
^
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\iosfwd(276,21) :
error:
use of undeclared identifier 'char32_t'
struct char_traits<char32_t>
^
In file included from C:\test\Source.cpp:3:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\iostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\istream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ios:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocnum:10:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\streambuf:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xiosbase:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocale:8:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\stdexcept:7:
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xstring(2623,22)
: error:
use of undeclared identifier 'char16_t'
typedef basic_string<char16_t, char_traits<char16_t>, allocator<char16_t> >
^
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xstring(2623,53)
: error:
expected unqualified-id
typedef basic_string<char16_t, char_traits<char16_t>, allocator<char16_t> >
^
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xstring(2625,22)
: error:
use of undeclared identifier 'char32_t'
typedef basic_string<char32_t, char_traits<char32_t>, allocator<char32_t> >
^
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xstring(2625,53)
: error:
expected unqualified-id
typedef basic_string<char32_t, char_traits<char32_t>, allocator<char32_t> >
^
In file included from C:\test\Source.cpp:3:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\iostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\istream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ostream:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\ios:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xlocnum:10:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\streambuf:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INC
LUDE\xiosbase:6:
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xlocale(1004,30)
: error:
use of undeclared identifier 'char16_t'
class _CRTIMP2_PURE codecvt<char16_t, char, _Mbstatet>
^
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xlocale(1328,30)
: error:
use of undeclared identifier 'char32_t'
class _CRTIMP2_PURE codecvt<char32_t, char, _Mbstatet>
^
14 errors generated.
I finally found that I need to add the following to the command line:
-fms-compatibility-version=19.00
In a reply to Clang bug report #24231, Reid Klecker explained why this is necessary:
"In [Visual Studio] 2015,
char16_t
became a builtin type. Previously, it could not be builtin because 2013 defines it in their headers. By default, Clang tries to be compatible with 2013. To target 2015, pass [-fms-compatibility-version=19
] toclang-cl
. The argument can be the whole version number thatcl /?
spits out."
So my final command is (including general libs):
clang-cl.exe "C:\test\Source.cpp" -fms-compatibility-version=19.00 ^
-Fe"C:\test\Source.exe" "kernel32.lib" "user32.lib" "gdi32.lib" "winspool.lib" ^
"comdlg32.lib" "advapi32.lib" "shell32.lib" "ole32.lib" "oleaut32.lib" "uuid.lib" ^
"odbc32.lib" "odbccp32.lib"
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