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Subject: Re: [PHP-DEV] Re: PHP 7.0.0 roadmap
From: phpdev@ehrhardt.nl (Jan Ehrhardt)

"Anatol Belski" in php.internals (Thu, 28 May 2015 14:16:49 +0200):
>> https://www.apachelounge.com/viewtopic.php?p=30557#30557
>
>Thanks for reporting. How do you build, which deps do you use? What I've
>read on the page you've linked sounds terribly wrong
>
>Jan, please open a bug ticket, we can follow up there.

Actually, I should open a bug ticket for the developers of VC 2015, I
guess. I am using Visual Studio Pro Web 2015 RC at the moment.
Compilation of even deplister.exe is broken in this compiler with a
'unresolved external symbol _printf'. I created a real simple example of
the same error. See the following console output:

|C:\php-sdk>type windowsh.c
|
|#include <windows.h>
|
|int main( int argc, char* args[] ) {
|    printf("Testing");
|    return 0;
|}
|
|C:\php-sdk>cl.exe /Fewindowsh.exe windowsh.c
|Microsoft (R) C/C++ Optimizing Compiler Version 19.00.22816 for x86
|Copyright (C) Microsoft Corporation.  All rights reserved.
|
|windowsh.c
|Microsoft (R) Incremental Linker Version 14.00.22816.0
|Copyright (C) Microsoft Corporation.  All rights reserved.
|
|/out:windowsh.exe
|windowsh.obj
|windowsh.obj : error LNK2019: unresolved external symbol _printf referenced in function _main
|windowsh.exe : fatal error LNK1120: 1 unresolved externals

If I #include <stdio.h> compilation goes fine:

|C:\php-sdk>type stdioh.c
|
|#include <stdio.h>
|
|int main( int argc, char* args[] ) {
|    printf("Testing");
|    return 0;
|}
|C:\php-sdk>cl.exe /Festioh.exe stdioh.c
|Microsoft (R) C/C++ Optimizing Compiler Version 19.00.22816 for x86
|Copyright (C) Microsoft Corporation.  All rights reserved.
|
|stdioh.c
|Microsoft (R) Incremental Linker Version 14.00.22816.0
|Copyright (C) Microsoft Corporation.  All rights reserved.
|
|/out:stioh.exe
|stdioh.obj
|
|C:\php-sdk>stioh.exe
|Testing

This might be a recent change in VC 2015. It looks like they are still
changing a lot in it. Not ideal to build alpha's with a moving compiler.

Jan