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PO'atltime.h error 32-bit compilation verses 64-bit compilation
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copied!<p>I have a 32-bit VC++ application, which I have recompiled as 64-bit application as I want to use it on a 64-bit OS.<br> Code-wise no change is required as it is compatible for both 32-bit and 64-bit.<br> Hence, I just did 3 changes while (porting) compiling in 64-bit. </p> <p>1) In VS2008 (drop down menu in the top) I changed from "Win32" to "x64".<br> 2) In the configuration manager, I ensured that the project I'm compiling is changed to "x64".<br> 3) In the project properties --> Linker ->Advanced options-> machine Type :: change the value to MACHINEx64. </p> <p>Now after having given the background, coming to actual problem when <strong>I compile the project in 32-bit mode, it's compiling successfully. But when I compile the project as x64 by doing the above mentioned changes, it's giving the below error.</strong></p> <pre><code>fatal error C1083: Cannot open include file: 'atltime.h': No such file or directory </code></pre> <p>How do I fix this problem? I'm I missing any libraries? But I used the same settings for linker as in "32bit mode". i.e pointing to the same set of *.lib files. (since all the libraries are statically linked, this application generates only an EXE).</p> <p>PS: Point to note is that the VS in my system is installed in C:\ProgramFiles(x86) and not in C:\ProgramFiles. So I see that "atltime.h" header file is in </p> <blockquote> <p>"C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\atlmfc\include"</p> </blockquote> <p>Is this can be any reason that this header file atltime.h is not recognized while building the code in 64-bit mode?</p> <p>Thanks in advance.</p>

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