apr-build:

    [CMake] CMake Error at D:/Contribs/svndevel_vs2010/build/cmake-2.8.12.1-win32-x86/share/cmake-2.8/Modules/CMakeDetermineCompilerId.cmake:446 (execute_proces
s):
    [CMake] -- The C compiler identification is unknown
    [CMake]   execute_process given COMMAND argument with no value.
    [CMake] Call Stack (most recent call first):
    [CMake]   D:/Contribs/svndevel_vs2010/build/cmake-2.8.12.1-win32-x86/share/cmake-2.8/Modules/CMakeDetermineCompilerId.cmake:48 (CMAKE_DETERMINE_COMPILER_ID_
VENDOR)
    [CMake]   D:/Contribs/svndevel_vs2010/build/cmake-2.8.12.1-win32-x86/share/cmake-2.8/Modules/CMakeDetermineCCompiler.cmake:131 (CMAKE_DETERMINE_COMPILER_ID)

    [CMake]   CMakeLists.txt:18 (PROJECT)
    [CMake]
    [CMake]
    [CMake] --
    [CMake] --
    [CMake] -- APR configuration summary:
    [CMake] --
    [CMake] --   Build type ...................... :
    [CMake] --   Install .pdb (if available)...... : ON
    [CMake] --   Install prefix .................. : D:/Contribs/svndevel_vs2010/build/win32/release
    [CMake] --   C compiler ...................... : CMAKE_C_COMPILER-NOTFOUND
    [CMake] --   IPv6 ............................ : ON
    [CMake] --   Minimum Windows version ......... : 0x0501
    [CMake] --   Build test suite ................ : ON
    [CMake] --     (testing dynamic libraries)
    [CMake] --   Install private .h for httpd .... : ON
    [CMake] -- Configuring incomplete, errors occurred!
    [CMake] See also "D:/Contribs/svndevel_vs2010/build/win32/apr/CMakeFiles/CMakeOutput.log".
    [CMake] See also "D:/Contribs/svndevel_vs2010/build/win32/apr/CMakeFiles/CMakeError.log".

BUILD FAILED - 0 non-fatal error(s), 8 warning(s)

External Program Failed: D:\Contribs\svndevel_vs2010\build\cmake-2.8.12.1-win32-x86\bin\cmake.exe (return code was 1)

Total time: 1.5 seconds.