[CMake] How can I instrument code within CMake?

[Dijkstra, Fons]

Hello,
 
I want to use pre-compilers to insert analytic code before parsing it by
the normal compiler. For example I want to use Insure++ to check on
runtime errors like memory leaks. The way to do this is to use the
insure.exe compiler instead of the cl.exe compiler (on Win32 that is),
The problem I'm facing with this is that when I override the
CMAKE_CXX_COMPILER variable for a specific component that is dependant
on already cl.exe build components, I get the following message:
 
Warning: CMake is forcing CMAKE_CXX_COMPILER to "C:/Program
Files/Microsoft Visual Studio 8/VC/bin/cl.exe" to match that imported
from Bmm.BmmPP.  This is required because C++ projects must use the same
compiler.  If this message appears for more than one imported project,
you have conflicting C++ compilers and will have to re-build one of
those projects. Was set to C:/Program
Files/ParaSoft/Insure++/bin.Win32/insure.exe
 
As the Insure++ compiler is just a pre-compiler and the actual
compilation is still done by the cl.exe compiler I'll have no problems
with conflicting compilers.
 
So my question is: How can I specify to build a specific component with
a pre-compiler without CMake overruling it to the compiler already used
by dependant components? It is no option to rebuild all dependant
components with the pre-compiler.
 
I hope you can help me, Fons
 


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