ENH: Added better error message when TRY_COMPILE does not recognize an extension.

This commit is contained in:
Brad King 2005-04-13 14:43:23 -04:00
parent bf70e83397
commit 925743e1e7
1 changed files with 11 additions and 8 deletions

View File

@ -147,25 +147,28 @@ int cmTryCompileCommand::CoreTryCompileCode(
}
std::string source = argv[2];
const char* lang = mf->GetCMakeInstance()->GetGlobalGenerator()->GetLanguageFromExtension(
cmSystemTools::GetFilenameExtension(source).c_str());
std::string ext = cmSystemTools::GetFilenameExtension(source);
const char* lang = (mf->GetCMakeInstance()->GetGlobalGenerator()
->GetLanguageFromExtension(ext.c_str()));
if(lang)
{
fprintf(fout, "PROJECT(CMAKE_TRY_COMPILE %s)\n", lang);
}
else
{
cmOStringStream err;
err << "Unknown extension \"" << ext << "\" for file \""
<< source << "\". TRY_COMPILE only works for enabled languages.\n"
<< "Currently enabled languages are:";
std::vector<std::string> langs;
mf->GetCMakeInstance()->GetGlobalGenerator()->GetEnabledLanguages(langs);
std::string msg = "TRY_COMPILE only works for enabled languages files,"
"\nCurrently enabled languages are:\n";
for(std::vector<std::string>::iterator l = langs.begin();
l != langs.end(); ++l)
{
msg += *l;
msg += " ";
err << " " << *l;
}
cmSystemTools::Error("Unknown file format for file: ", source.c_str(), msg.c_str());
err << "\nSee PROJECT command for help enabling other languages.";
cmSystemTools::Error(err.str().c_str());
return -1;
}
std::string langFlags = "CMAKE_";