| Hi All, i'm still having problems getting the CMAKE_XCODE_ATTRIBUTE_GCC_VERSION flag to properly force the compiler version I want to use for my project. I'm using XCode 3.2.5, on a Mac 10.6.3 machine - trying to target a Max OS X Tiger 10.4u build. I get compiler errors because the gcc-4.2 compiler is being used in the compiler-test stage of CMake. I thought CMAKE_XCODE_ATTRIBUTE_GCC_VERSION could be used to force the compiler setting to 4.0? My top level CMakeLists.txt file has this as its first few lines - is this the correct way to use this option? PROJECT( FileWave ) cmake_minimum_required(VERSION 2.6) set(CMAKE_XCODE_ATTRIBUTE_GCC_VERSION "4.0") The error I get after running an XCode based generator is: -- The C compiler identification is GNU -- The CXX compiler identification is GNU -- Checking whether C compiler has -isysroot -- Checking whether C compiler has -isysroot - yes -- Checking whether C compiler supports OSX deployment target flag -- Checking whether C compiler supports OSX deployment target flag - yes -- Check for working C compiler using: Xcode -- Check for working C compiler using: Xcode -- broken CMake Error at /Users/john/CMake/Modules/CMakeTestCCompiler.cmake:52 (MESSAGE): The C compiler "/usr/bin/gcc-4.0" is not able to compile a simple test program. It fails with the following output: Change Dir: /Users/john/src/TRUNK/BuildSystem/Xcode/CMakeFiles/CMakeTmp Run Build Command:/Users/john/CMake/bin/cmakexbuild -project CMAKE_TRY_COMPILE.xcodeproj build -target cmTryCompileExec -configuration Debug === BUILD NATIVE TARGET cmTryCompileExec OF PROJECT CMAKE_TRY_COMPILE WITH CONFIGURATION Debug === Check dependencies GCC 4.2 is not compatible with the Mac OS X 10.4 SDK (file testCCompiler.c) GCC 4.2 is not compatible with the Mac OS X 10.4 SDK (file testCCompiler.c) ** BUILD FAILED ** John Clayton --------------------------- FileWave (Europe) GmbH St. Gallerstrasse 1 CH - 9500 Wil Phone: +41 71 914 30 80 Fax: +41 71 914 30 81 Web: www.filewave.com Skype: johncclayton |
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