diff options
Diffstat (limited to 'Source')
-rw-r--r-- | Source/cmcmd.cxx | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/Source/cmcmd.cxx b/Source/cmcmd.cxx index 7891969..c1576c4 100644 --- a/Source/cmcmd.cxx +++ b/Source/cmcmd.cxx @@ -460,23 +460,25 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string>& args) else if (args[1] == "create_symlink" && args.size() == 4) { const char* destinationFileName = args[3].c_str(); - if ( cmSystemTools::FileExists(destinationFileName) ) + if((cmSystemTools::FileExists(destinationFileName) || + cmSystemTools::FileIsSymlink(destinationFileName)) && + !cmSystemTools::RemoveFile(destinationFileName)) { - if ( cmSystemTools::FileIsSymlink(destinationFileName) ) - { - if ( !cmSystemTools::RemoveFile(destinationFileName) || - cmSystemTools::FileExists(destinationFileName) ) - { - return 0; - } - } - else - { - return 0; - } + std::string emsg = cmSystemTools::GetLastSystemError(); + std::cerr << + "failed to create symbolic link '" << destinationFileName << + "' because existing path cannot be removed: " << emsg << "\n"; + return 1; + } + if(!cmSystemTools::CreateSymlink(args[2].c_str(), args[3].c_str())) + { + std::string emsg = cmSystemTools::GetLastSystemError(); + std::cerr << + "failed to create symbolic link '" << destinationFileName << + "': " << emsg << "\n"; + return 1; } - return cmSystemTools::CreateSymlink(args[2].c_str(), - args[3].c_str())? 0:1; + return 0; } // Internal CMake shared library support. |