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BUG: -fail with error if the CMake<LANG>Information.cmake file wasn't found 

ENH: -if no compiler has been found, don't test it, and also remove the compiler
information file again. This makes optionally enabling a language work
better.

Alex
This commit is contained in:
Alexander Neundorf 2008-06-10 18:28:01 -04:00
parent 4543a3ea05
commit 3e909b5908
1 changed files with 24 additions and 8 deletions
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32
Source/cmGlobalGenerator.cxx
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@ -410,23 +410,43 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
fpath = "CMake";
fpath += lang;
fpath += "Information.cmake";
fpath = mf->GetModulesFile(fpath.c_str());
if(!mf->ReadListFile(0,fpath.c_str()))
std::string informationFile = mf->GetModulesFile(fpath.c_str());
if (informationFile.empty())
{
cmSystemTools::Error("Could not find cmake module file:",
fpath.c_str());
}
else if(!mf->ReadListFile(0, informationFile.c_str()))
{
cmSystemTools::Error("Could not process cmake module file:",
informationFile.c_str());
}
}
if (needSetLanguageEnabledMaps[lang])
{
this->SetLanguageEnabledMaps(lang, mf);
}
std::string compilerName = "CMAKE_";
compilerName += lang;
compilerName += "_COMPILER";
std::string compilerLangFile = rootBin;
compilerLangFile += "/CMake";
compilerLangFile += lang;
compilerLangFile += "Compiler.cmake";
// Test the compiler for the language just setup
// (but only if a compiler has been actually found)
// At this point we should have enough info for a try compile
// which is used in the backward stuff
// If the language is untested then test it now with a try compile.
if(needTestLanguage[lang])
if (!mf->IsSet(compilerName.c_str()))
{
// if the compiler did not work, then remove the
// CMake(LANG)Compiler.cmake file so that it will get tested the
// next time cmake is run
cmSystemTools::RemoveFile(compilerLangFile.c_str());
}
else if(needTestLanguage[lang])
{
if (!this->CMakeInstance->GetIsInTryCompile())
{
@ -447,11 +467,7 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
// next time cmake is run
if(!mf->IsOn(compilerWorks.c_str()))
{
fpath = rootBin;
fpath += "/CMake";
fpath += lang;
fpath += "Compiler.cmake";
cmSystemTools::RemoveFile(fpath.c_str());
cmSystemTools::RemoveFile(compilerLangFile.c_str());
}
else
{