ENH: add a check to make sure cmake can find the c or C++ compiler for trycompile

This commit is contained in:
Bill Hoffman 2002-12-20 11:20:49 -05:00
parent bd2739feec
commit af1c727a1f
1 changed files with 37 additions and 0 deletions

View File

@ -30,6 +30,43 @@ void cmGlobalUnixMakefileGenerator::EnableLanguage(const char* lang,
{
mf->AddDefinition("CMAKE_CFG_INTDIR",".");
this->cmGlobalGenerator::EnableLanguage(lang, mf);
if(!lang)
{
lang = "CXX";
}
if(lang[0] == 'C')
{
if(!mf->GetDefinition("CMAKE_C_COMPILER"))
{
cmSystemTools::Error("CMAKE_C_COMPILER not set, after EnableLanguage");
return;
}
std::string path = cmSystemTools::FindProgram(mf->GetDefinition("CMAKE_C_COMPILER"));
if(path.size() == 0)
{
std::string message = "your C compiler: ";
message += mf->GetDefinition("CMAKE_C_COMPILER");
message += " was not found in your path. "
"For CMake to correctly use try compile commands, the compiler must "
"be in your path. Please add the compiler to your PATH environment,"
" and re-run CMake.";
cmSystemTools::Error(message.c_str());
}
if(strcmp(lang, "CXX") == 0)
{
path = cmSystemTools::FindProgram(mf->GetDefinition("CMAKE_CXX_COMPILER"));
if(path.size() == 0)
{
std::string message = "your C++ compiler: ";
message += mf->GetDefinition("CMAKE_CXX_COMPILER");
message += " was not found in your path. "
"For CMake to correctly use try compile commands, the compiler must "
"be in your path. Please add the compiler to your PATH environment,"
" and re-run CMake.";
cmSystemTools::Error(message.c_str());
}
}
}
}
///! Create a local generator appropriate to this Global Generator