The system is: Windows - 5.1 - x86 Determining if the C compiler works passed with the following output: Microsoft (R) Visual Studio Version 8.0.50727.42. Copyright (C) Microsoft Corp 1984-2005. All rights reserved. 1>------ Build started: Project: cmTryCompileExec, Configuration: Debug Win32 ------ 1>Compiling... 1>Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.42 for 80x86 1>Copyright (C) Microsoft Corporation. All rights reserved. 1>cl /Od /D "WIN32" /D "_WINDOWS" /D "_DEBUG" /D "CMAKE_INTDIR=\"Debug\"" /D "_MBCS" /FD /EHsc /RTC1 /MDd /Fo"cmTryCompileExec.dir\Debug\\" /Fd"D:/Development/Builds/HelloWorld/CMakeFiles/CMakeTmp/Debug/cmTryCompileExec.pdb" /W3 /c /Zi /TC /Zm1000 1> .\testCCompiler.c 1>testCCompiler.c 1>Compiling manifest to resources... 1>Linking... 1>Embedding manifest... 1>Build log was saved at "file://d:\Development\Builds\HelloWorld\CMakeFiles\CMakeTmp\cmTryCompileExec.dir\Debug\BuildLog.htm" 1>cmTryCompileExec - 0 error(s), 0 warning(s) ========== Build: 1 succeeded, 0 failed, 1 up-to-date, 0 skipped ========== Determining size of void* passed with the following output: Microsoft (R) Visual Studio Version 8.0.50727.42. Copyright (C) Microsoft Corp 1984-2005. All rights reserved. 1>------ Build started: Project: cmTryCompileExec, Configuration: Debug Win32 ------ 1>Compiling... 1>Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.42 for 80x86 1>Copyright (C) Microsoft Corporation. All rights reserved. 1>cl /Od /D "WIN32" /D "_WINDOWS" /D "_DEBUG" /D "CMAKE_INTDIR=\"Debug\"" /D "_MBCS" /FD /EHsc /RTC1 /MDd /Fo"cmTryCompileExec.dir\Debug\\" /Fd"D:/Development/Builds/HelloWorld/CMakeFiles/CMakeTmp/Debug/cmTryCompileExec.pdb" /W3 /c /Zi /TC /Zm1000 1> .\CheckTypeSize.c 1>CheckTypeSize.c 1>Compiling manifest to resources... 1>Linking... 1>Embedding manifest... 1>Build log was saved at "file://d:\Development\Builds\HelloWorld\CMakeFiles\CMakeTmp\cmTryCompileExec.dir\Debug\BuildLog.htm" 1>cmTryCompileExec - 0 error(s), 0 warning(s) ========== Build: 1 succeeded, 0 failed, 1 up-to-date, 0 skipped ========== Determining if the CXX compiler works passed with the following output: Microsoft (R) Visual Studio Version 8.0.50727.42. Copyright (C) Microsoft Corp 1984-2005. All rights reserved. 1>------ Build started: Project: cmTryCompileExec, Configuration: Debug Win32 ------ 1>Compiling... 1>Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.42 for 80x86 1>Copyright (C) Microsoft Corporation. All rights reserved. 1>cl /Od /D "WIN32" /D "_WINDOWS" /D "_DEBUG" /D "CMAKE_INTDIR=\"Debug\"" /D "_MBCS" /FD /EHsc /RTC1 /MDd /Fo"cmTryCompileExec.dir\Debug\\" /Fd"D:/Development/Builds/HelloWorld/CMakeFiles/CMakeTmp/Debug/cmTryCompileExec.pdb" /W3 /c /Zi /TP /Zm1000 1> .\testCXXCompiler.cxx 1>testCXXCompiler.cxx 1>Compiling manifest to resources... 1>Linking... 1>Embedding manifest... 1>Build log was saved at "file://d:\Development\Builds\HelloWorld\CMakeFiles\CMakeTmp\cmTryCompileExec.dir\Debug\BuildLog.htm" 1>cmTryCompileExec - 0 error(s), 0 warning(s) ========== Build: 1 succeeded, 0 failed, 1 up-to-date, 0 skipped ========== Determining if the Q_WS_WIN exist passed with the following output: Microsoft (R) Visual Studio Version 8.0.50727.42. Copyright (C) Microsoft Corp 1984-2005. All rights reserved. 1>------ Build started: Project: cmTryCompileExec, Configuration: Debug Win32 ------ 1>Compiling... 1>Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.42 for 80x86 1>Copyright (C) Microsoft Corporation. All rights reserved. 1>cl /Od /I "C:\Qt\4.3.3\include" /D "WIN32" /D "_WINDOWS" /D "_DEBUG" /D "CMAKE_INTDIR=\"Debug\"" /D "_MBCS" /FD /EHsc /RTC1 /MDd /Fo"cmTryCompileExec.dir\Debug\\" /Fd"D:/Development/Builds/HelloWorld/CMakeFiles/CMakeTmp/Debug/cmTryCompileExec.pdb" /W3 /c /Zi /TC /Zm1000 1> .\CheckSymbolExists.c 1>CheckSymbolExists.c 1>Compiling manifest to resources... 1>Linking... 1>Embedding manifest... 1>Build log was saved at "file://d:\Development\Builds\HelloWorld\CMakeFiles\CMakeTmp\cmTryCompileExec.dir\Debug\BuildLog.htm" 1>cmTryCompileExec - 0 error(s), 0 warning(s) ========== Build: 1 succeeded, 0 failed, 1 up-to-date, 0 skipped ========== File D:/Development/Builds/HelloWorld/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include void cmakeRequireSymbol(int dummy,...){(void)dummy;} int main() { #ifndef Q_WS_WIN cmakeRequireSymbol(0,&Q_WS_WIN); #endif return 0; }