35 lines
1.3 KiB
C++
35 lines
1.3 KiB
C++
//======= Copyright © 1996-2008, Valve Corporation, All rights reserved. ======//
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//
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// Purpose: Add a specially formatted string to each debug library of the form
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// "%LIBNAME%.lib is built debug!". We can search for this string via
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// a Perforce trigger to ensure that debug LIBs are not checked in.
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//
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// Also added a global int that is emitted only in release builds so
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// that release DLLs and EXEs can ensure that they are linking to
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// release versions of LIBs at link time. The global int adhere to the
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// naming convention "%LIBNAME%_lib_is_a_release_build".
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//
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// To take advantage of this pattern a DLL or EXE should add code
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// at global scope similar to the following in one of its modules:
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//
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// #if !defined(_DEBUG)
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// extern int bitmap_lib_is_a_release_build;
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//
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// void DebugTestFunction()
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// {
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// bitmap_lib_is_a_release_build = 0;
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// }
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// #endif
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//
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//=============================================================================//
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#if defined(DEBUG) || defined(_DEBUG)
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#define _DEBUGONLYSTRING(x) #x
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#define DEBUGONLYSTRING(x) _DEBUGONLYSTRING(x)
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static volatile char const *pDebugString = DEBUGONLYSTRING(LIBNAME) ".lib is built debug!";
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#else
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#define _RELONLYINT(x) int x ## _lib_is_a_release_build = 0
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#define RELONLYINT(x) _RELONLYINT(x)
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RELONLYINT(LIBNAME);
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#endif
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