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ENH: When the initially configured generator is invalid, allow the user to change the generator without deleting the cache by hand.

This commit is contained in:
Brad King 2003-05-13 16:11:14 -04:00
parent a30148e640
commit 20b198835c
2 changed files with 13 additions and 5 deletions
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10
Source/cmGlobalGenerator.cxx
View File

@ -57,11 +57,11 @@ void cmGlobalGenerator::EnableLanguage(const char* lang,
if(!mf->GetDefinition("CMAKE_MAKE_PROGRAM")
|| cmSystemTools::IsOff(mf->GetDefinition("CMAKE_MAKE_PROGRAM")))
{
cmSystemTools::Error("CMake was unable to find a build program "
"corresponding to the generator you have selected. "
"CMAKE_MAKE_PROGRAM is not set. You probably "
"need to re-run CMake and select a different "
"generator.");
cmOStringStream err;
err << "CMake was unable to find a build program corresponding to \""
<< this->GetName() << "\". CMAKE_MAKE_PROGRAM is not set. You "
<< "probably need to select a different build tool.";
cmSystemTools::Error(err.str().c_str());
cmSystemTools::SetFatalErrorOccured();
return;
}

8
Source/cmake.cxx
View File

@ -890,6 +890,14 @@ int cmake::Configure()
cmCacheManager::PATH);
}
if(cmSystemTools::GetFatalErrorOccured() &&
(!this->m_CacheManager->GetCacheValue("CMAKE_MAKE_PROGRAM") ||
cmSystemTools::IsOff(this->m_CacheManager->GetCacheValue("CMAKE_MAKE_PROGRAM"))))
{
// We must have a bad generator selection. Wipe the cache entry so the
// user can select another.
m_CacheManager->RemoveCacheEntry("CMAKE_GENERATOR");
}
this->m_CacheManager->SaveCache(this->GetHomeOutputDirectory());
if(cmSystemTools::GetErrorOccuredFlag())
{