llvm dev - Apr 2015 - [LLVMdev] How to compile a simple C program with clang on Windows 8.1?

Hi all
I need a small help to get my first C program to compile on Widows 8.1. I'm
an Unix guy but new to Windows.
I installed MS Visual Studio 2013 free version and the LLVM 3.6.0 binary
pre-built version.
Here is my sample C program:
#include <stdio.h>
int main() {
  printf("hello world\n");
  return 0;
}

1.
>clang test1.c -o test1.exe
test1.c:2:10: fatal error: 'stdio.h' file not found
#include <stdio.h>
2.>clang test1.c -I"c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include" -o test1.exe
In file included from test1.c:2:
In file included from c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include\stdio.h:20:
In file included from c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include\crtdefs.h:74:
c:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\include\vadefs.h:50:9:
error:
      unknown type name '__w64'
typedef _W64 unsigned int   uintptr_t;
My questions:
a) Am I referring to the correct C header files folder?
b) Do I have to include a Windows specific include file where __w64 is defined?
Many thanks in advance.
Best regardsUnga

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On 04/26/2015 02:50 AM, Unga wrote:
> Hi all
>
> I need a small help to get my first C program to compile on Widows 
> 8.1. I'm an Unix guy but new to Windows.
[snip]

Hi Unga,

I can't help you with Visual Studio since I've never used it, but I 
would like to suggest that you try out ELLCC. ELLCC is a tool chain 
based on clang/LLVM that can target Windows as well as several Linux 
based systems. The binary downloads have all the stuff you need to 
build: C/C++ compiler, linker, debugger, and pre-built libraries.

Here's an example of "hello world" under Windows 8.1: 
http://ellcc.org/blog/?p=23650

Follow the links to the download page to get to the binary downloads. 
You can also get the full source and build it yourself if you're so 
inclined.

-Rich

Hi Unga,

Try clang-cl instead of clang.
It’s a version of the clang driver that should set the environment up correctly
(in terms of defines, include paths, etc.).

Michael

From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu] On
Behalf Of Unga
Sent: Sunday, April 26, 2015 10:51
To: llvmdev at cs.uiuc.edu
Subject: [LLVMdev] How to compile a simple C program with clang on Windows 8.1?

Hi all

I need a small help to get my first C program to compile on Widows 8.1. I'm
an Unix guy but new to Windows.

I installed MS Visual Studio 2013 free version and the LLVM 3.6.0 binary
pre-built version.

Here is my sample C program:

#include <stdio.h>
int main() {
  printf("hello world\n");
  return 0;
}


1.
>clang test1.c -o test1.exe
test1.c:2:10: fatal error: 'stdio.h' file not found
#include <stdio.h>

2.
>clang test1.c -I"c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include" -o test1.exe
In file included from test1.c:2:
In file included from c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include\stdio.h:20:
In file included from c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include\crtdefs.h:74:
c:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\include\vadefs.h:50:9:
error:
      unknown type name '__w64'
typedef _W64 unsigned int   uintptr_t;

My questions:

a) Am I referring to the correct C header files folder?

b) Do I have to include a Windows specific include file where __w64 is defined?

Many thanks in advance.

Best regards
Unga


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This problem was solved after I compile and install LLVM and Clang from source.

Thanks for replies.

Unga



On Sunday, April 26, 2015 7:50 AM, "Kuperstein, Michael M"
<michael.m.kuperstein at intel.com> wrote:

>
>
>Hi Unga,
> 
>Try clang-cl instead of clang.
>It’s a version of the clang driver that should set the environment up
correctly (in terms of defines, include paths, etc.).
> 
>Michael
> 
>From:llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu]
On Behalf Of Unga
>Sent: Sunday, April 26, 2015 10:51
>To: llvmdev at cs.uiuc.edu
>Subject: [LLVMdev] How to compile a simple C program with clang on Windows
8.1?
> 
>Hi all
> 
>I need a small help to get my first C program to compile on Widows 8.1.
I'm an Unix guy but new to Windows.
> 
>I installed MS Visual Studio 2013 free version and the LLVM 3.6.0 binary
pre-built version.
> 
>Here is my sample C program:
> 
>#include <stdio.h>
>int main() {
>  printf("hello world\n");
>  return 0;
>}
> 
> 
>1.
>>clang test1.c -o test1.exe
>test1.c:2:10: fatal error: 'stdio.h' file not found
>#include <stdio.h>
> 
>2.
>>clang test1.c -I"c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include" -o test1.exe
>In file included from test1.c:2:
>In file included from c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include\stdio.h:20:
>In file included from c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include\crtdefs.h:74:
>c:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\include\vadefs.h:50:9: error:
>      unknown type name '__w64'
>typedef _W64 unsigned int   uintptr_t;
> 
>My questions:
> 
>a) Am I referring to the correct C header files folder?
> 
>b) Do I have to include a Windows specific include file where __w64 is
defined?
> 
>Many thanks in advance.
> 
>Best regards
>Unga
> 
> 
>---------------------------------------------------------------------
>Intel Israel (74) Limited
>This e-mail and any attachments may contain confidential material for
>the sole use of the intended recipient(s). Any review or distribution
>by others is strictly prohibited. If you are not the intended
>recipient, please contact the sender and delete all copies.
>
>