BUG: Gracefully handle broken version symlinks

This teaches the helper commands 'cmake -E cmake_symlink_executable' and
'cmake -E cmake_symlink_library' to remove broken symlinks before
creating a symlink and report an error when the symlink cannot be
created.  See issue #8654.
This commit is contained in:
Brad King 2009-03-02 16:02:19 -05:00
parent 91a8569648
commit ed5e4d8be2
1 changed files with 9 additions and 3 deletions

View File

@ -1366,24 +1366,28 @@ int cmake::ExecuteCMakeCommand(std::vector<std::string>& args)
if(soName != realName)
{
std::string fname = cmSystemTools::GetFilenameName(realName);
if(cmSystemTools::FileExists(soName.c_str()))
if(cmSystemTools::FileExists(soName.c_str()) ||
cmSystemTools::FileIsSymlink(soName.c_str()))
{
cmSystemTools::RemoveFile(soName.c_str());
}
if(!cmSystemTools::CreateSymlink(fname.c_str(), soName.c_str()))
{
cmSystemTools::ReportLastSystemError("cmake_symlink_library");
result = 1;
}
}
if(name != soName)
{
std::string fname = cmSystemTools::GetFilenameName(soName);
if(cmSystemTools::FileExists(soName.c_str()))
if(cmSystemTools::FileExists(name.c_str()) ||
cmSystemTools::FileIsSymlink(name.c_str()))
{
cmSystemTools::RemoveFile(name.c_str());
}
if(!cmSystemTools::CreateSymlink(fname.c_str(), name.c_str()))
{
cmSystemTools::ReportLastSystemError("cmake_symlink_library");
result = 1;
}
}
@ -1398,12 +1402,14 @@ int cmake::ExecuteCMakeCommand(std::vector<std::string>& args)
if(name != realName)
{
std::string fname = cmSystemTools::GetFilenameName(realName);
if(cmSystemTools::FileExists(realName.c_str()))
if(cmSystemTools::FileExists(name.c_str()) ||
cmSystemTools::FileIsSymlink(name.c_str()))
{
cmSystemTools::RemoveFile(name.c_str());
}
if(!cmSystemTools::CreateSymlink(fname.c_str(), name.c_str()))
{
cmSystemTools::ReportLastSystemError("cmake_symlink_executable");
result = 1;
}
}