C++ How to tell if a .lib file was compiled with compiler option /MT, /MD, /MTd, /MDd, /clr etc?

Open the .lib file with Notepad.exe and search with keyword CL.exe, you can see similar command like below:

C:\ProProjects\RWSourcePro6_1_VS2010\source\tools\15s cl C:\Program Files\Microsoft Visual Studio 10.0\VC\BIN\cl.EXE cmd -FoC:\ProProjects\RWSourcePro6_1_VS2010\source\tools\15s\islistit.obj -D_RWBUILD_tls -FdC:\ProProjects\RWSourcePro6_1_VS2010\lib\tls15s.pdb -nologo -IC:\ProProjects\RWSourcePro6_1_VS2010\source\tools\15s -MDd -W3 -Zi -GA -GR -Od -EHs -EHc -DRW_CLASSIC_STRING_CLASSES -DRW_CSTRING_MUTEX_COUNT=256 -D_RWCONFIG=15s -IC:\ProProjects\RWSourcePro6_1_VS2010 -IC:\ProProjects\RWSourcePro6_1_VS2010\source\tools -c -I"C:\Program Files\Microsoft Visual Studio 10.0\VC\INCLUDE" -I"C:\Program Files\Microsoft Visual Studio 10.0\VC\ATLMFC\INCLUDE" -I"C:\Program Files\Microsoft SDKs\Windows\v7.0A\include" -I"C:\Program Files\Microsoft Visual Studio .NET 2003\SDK\v1.1\include\\" -TP -X src ..\islistit.cpp pdb C:\ProProjects\RWSourcePro6_1_VS2010\lib\tls15s.pdb

if cannot find similar command line like above, try search "lib" and maybe can find CRT library names.

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so it was built with LIBCMT.lib, we know it was probably compiled with /MT options.

http://msdn.microsoft.com/en-us/library/abx4dbyh.aspx

http://stackoverflow.com/questions/19487465/how-to-tell-if-a-lib-was-compiled-with-mt-or-md