> On May 22, 2015, at 6:29 AM, Saheb Biswas <[email protected]> wrote:
>
> hello,
>
> I am trying to port a simple SSL client code into UEFI and am using the
> OpenSsl in CryptoPkg for this.
>
> The OpenSslSupport.h header in CryptoPkg include folder defines most of the
> stdlib types and this causes a conflict when I attempt to use the StdLib
> headers in my code.
>
> Following is a sample of the error messages:
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(28) : error C2373: 'FILE' :
> redefinition; different type modifiers
> c:\edk2\StdLib\Include\stdio.h(255) : see declaration of 'FILE'
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(47) : warning C4005: 'ENOMEM' :
> macro redefinition
> c:\edk2\StdLib\Include\errno.h(64) : see previous definition of
> 'ENOMEM'
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(48) : warning C4005: 'EINVAL' :
> macro redefinition
> c:\edk2\StdLib\Include\errno.h(74) : see previous definition of
> 'EINVAL'
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(50) : warning C4005: 'INT_MAX' :
> macro redefinition
> c:\edk2\StdLib\Include\limits.h(70) : see previous definition of
> 'INT_MAX'
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(51) : warning C4005: 'INT_MIN' :
> macro redefinition
> c:\edk2\StdLib\Include\limits.h(67) : see previous definition of
> 'INT_MIN'
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(52) : warning C4005: 'LONG_MAX' :
> macro redefinition
> c:\edk2\StdLib\Include\limits.h(79) : see previous definition of
> 'LONG_MAX'
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(53) : warning C4005: 'LONG_MIN' :
> macro redefinition
> c:\edk2\StdLib\Include\limits.h(76) : see previous definition of
> 'LONG_MIN'
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(54) : warning C4005: 'ULONG_MAX' :
> macro redefinition
> c:\edk2\StdLib\Include\limits.h(82) : see previous definition of
> ‘ULONG_MAX'
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(75) : warning C4005: 'offsetof' :
> macro redefinition
> c:\edk2\StdLib\Include\stddef.h(66) : see previous definition of
> ‘offsetof'
For issues like this in C you can use #undef
#undef FILE
#include <OpenSslSupport.h>
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(83) : error C2371: '__mode_t' :
> redefinition; different basic types
> c:\edk2\StdLib\Include\sys/ansi.h(54) : see declaration of ‘__mode_t'
__uint32_t vs. UINT16
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(84) : warning C4142: benign
> redefinition of type
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(85) : error C2371: 'clock_t' :
> redefinition; different basic types
> c:\edk2\StdLib\Include\sys/types.h(241) : see declaration of ‘clock_t'
UINT64 vs. unsigned long
Note: This is scary as long is different sizes on different edk2 compilers!!!!!!
> c:\edk2\CryptoPkg\Include\OpenSslSupport.h(88) : error C2371: 'ino_t' :
> redefinition; different basic types
> c:\edk2\StdLib\Include\sys/types.h(169) : see declaration of 'ino_t'
>
uint64_t vs. UINT32
So this is such a bad hack I feel bad mentioning it, but …..
In OpenSslsupport.h add #ifndef <#define in StdLib for the conflicting define>
#ifndef _SYS_TYPES_H_
typedef unsigned long clock_t;
#endif
>
> Any ideas ?
>
Don’t use StdLib :) would be your other option.
Thanks,
Andrew Fish
>
> Saheb
>
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