29 Aug 23:15
[Math] errno on WCE
From: Paul Heil <paul.heil <at> gmail.com>
Subject: [Math] errno on WCE
Newsgroups: gmane.comp.lib.boost.user
Date: 2008-08-29 21:18:30 GMT
Subject: [Math] errno on WCE
Newsgroups: gmane.comp.lib.boost.user
Date: 2008-08-29 21:18:30 GMT
I'm compiling the Boost 1.36.0 Math library for Windows Mobile 5 using Visual Studio 2008. I have STLPort-5.1.5 installed.
When I get to anything requiring errno support, I get compiler errors as below:
compile-c-c++ bin.v2\libs\math\build\msvc-WM5\debug\link-static\runtime-link-static\stdlib-stlport\threading-multi\acosh.obj
acosh.cpp
Unknown EVC++ compiler version - please run the configure tests and report the results
eMbedded Visual C++ 3 and .NET don't have a errno.h header; STLport won't include native errno.h here
C:\boost\boost_1_36_0\boost/math/policies/error_handling.hpp(149) : error C2065: 'errno_t' : undeclared identifier
[...]
C:\boost\boost_1_36_0\boost/math/policies/error_handling.hpp(149) : error C2065: 'EDOM' : undeclared identifier
[..]
C:\boost\boost_1_36_0\boost/math/policies/error_handling.hpp(233) : error C2065: 'ERANGE' : undeclared identifier
In the STLPort errno.h header, there's a section:
#ifdef _STLP_WCE
// only show message when directly including this file in a non-library build
# if !defined(__BUILDING_STLPORT) && (_STLP_OUTERMOST_HEADER_ID == 0x205)
# pragma message("eMbedded Visual C++ 3 and .NET don't have a errno.h header; STLport won't include native errno.h here")
#define errno errno_t
I can add an "#include<crtdefs.h>" to get errno_t support, but that just declares it as "typedef int errno_t;". Which, of course, gives me " boost/math/policies/error_handling.hpp(149) : error C2513: 'int' : no variable declared before '=' " errors as that isn't the way Boost expects to be able to use errno.
What can I do to either get errno support under CE or remove the dependency of that feature without breaking Boost?
Thanks,
PaulH
When I get to anything requiring errno support, I get compiler errors as below:
compile-c-c++ bin.v2\libs\math\build\msvc-WM5\debug\link-static\runtime-link-static\stdlib-stlport\threading-multi\acosh.obj
acosh.cpp
Unknown EVC++ compiler version - please run the configure tests and report the results
eMbedded Visual C++ 3 and .NET don't have a errno.h header; STLport won't include native errno.h here
C:\boost\boost_1_36_0\boost/math/policies/error_handling.hpp(149) : error C2065: 'errno_t' : undeclared identifier
[...]
C:\boost\boost_1_36_0\boost/math/policies/error_handling.hpp(149) : error C2065: 'EDOM' : undeclared identifier
[..]
C:\boost\boost_1_36_0\boost/math/policies/error_handling.hpp(233) : error C2065: 'ERANGE' : undeclared identifier
In the STLPort errno.h header, there's a section:
#ifdef _STLP_WCE
// only show message when directly including this file in a non-library build
# if !defined(__BUILDING_STLPORT) && (_STLP_OUTERMOST_HEADER_ID == 0x205)
# pragma message("eMbedded Visual C++ 3 and .NET don't have a errno.h header; STLport won't include native errno.h here")
#define errno errno_t
I can add an "#include<crtdefs.h>" to get errno_t support, but that just declares it as "typedef int errno_t;". Which, of course, gives me " boost/math/policies/error_handling.hpp(149) : error C2513: 'int' : no variable declared before '=' " errors as that isn't the way Boost expects to be able to use errno.
What can I do to either get errno support under CE or remove the dependency of that feature without breaking Boost?
Thanks,
PaulH
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