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find_package: Reject mixed use of MODULE- and CONFIG-only options 

Many options imply exclusive Config mode.  The new MODULE option
implies exclusive Module mode.  Do not allow mixed combinations.
This commit is contained in:
Brad King 2012-02-28 08:56:50 -05:00
parent 6d8308314a
commit 31ead5f695
1 changed files with 37 additions and 43 deletions
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80
Source/cmFindPackageCommand.cxx
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@ -415,7 +415,8 @@ bool cmFindPackageCommand
Doing doing = DoingNone;
cmsys::RegularExpression version("^[0-9.]+$");
bool haveVersion = false;
std::string haveModeString = "";
std::set<unsigned int> configArgs;
std::set<unsigned int> moduleArgs;
for(unsigned int i=1; i < args.size(); ++i)
{
if(args[i] == "QUIET")
@ -431,48 +432,18 @@ bool cmFindPackageCommand
}
else if(args[i] == "MODULE")
{
if(!haveModeString.empty())
{
cmOStringStream e;
e << "given " << args[i] << ", but mode is already set to "
<< haveModeString << ".";
this->SetError(e.str().c_str());
return false;
}
this->UseConfigFiles = false;
moduleArgs.insert(i);
doing = DoingNone;
haveModeString = args[i];
}
else if(args[i] == "CONFIG")
{
if(!haveModeString.empty())
{
cmOStringStream e;
e << "given " << args[i] << ", but mode is already set to "
<< haveModeString << ".";
this->SetError(e.str().c_str());
return false;
}
this->UseFindModules = false;
configArgs.insert(i);
doing = DoingNone;
haveModeString = args[i];
}
else if(args[i] == "NO_MODULE")
{
if(!haveModeString.empty())
{
cmOStringStream e;
e << "given " << args[i] << ", but mode is already set to "
<< haveModeString << ".";
this->SetError(e.str().c_str());
return false;
}
this->UseFindModules = false;
configArgs.insert(i);
doing = DoingNone;
haveModeString = args[i];
}
else if(args[i] == "REQUIRED")
{
@ -486,31 +457,31 @@ bool cmFindPackageCommand
}
else if(args[i] == "NAMES")
{
this->UseFindModules = false;
configArgs.insert(i);
this->Compatibility_1_6 = false;
doing = DoingNames;
}
else if(args[i] == "PATHS")
{
this->UseFindModules = false;
configArgs.insert(i);
this->Compatibility_1_6 = false;
doing = DoingPaths;
}
else if(args[i] == "HINTS")
{
this->UseFindModules = false;
configArgs.insert(i);
this->Compatibility_1_6 = false;
doing = DoingHints;
}
else if(args[i] == "PATH_SUFFIXES")
{
this->UseFindModules = false;
configArgs.insert(i);
this->Compatibility_1_6 = false;
doing = DoingPathSuffixes;
}
else if(args[i] == "CONFIGS")
{
this->UseFindModules = false;
configArgs.insert(i);
this->Compatibility_1_6 = false;
doing = DoingConfigs;
}
@ -523,27 +494,27 @@ bool cmFindPackageCommand
else if(args[i] == "NO_CMAKE_PACKAGE_REGISTRY")
{
this->NoUserRegistry = true;
this->UseFindModules = false;
configArgs.insert(i);
this->Compatibility_1_6 = false;
doing = DoingNone;
}
else if(args[i] == "NO_CMAKE_SYSTEM_PACKAGE_REGISTRY")
{
this->NoSystemRegistry = true;
this->UseFindModules = false;
configArgs.insert(i);
this->Compatibility_1_6 = false;
doing = DoingNone;
}
else if(args[i] == "NO_CMAKE_BUILDS_PATH")
{
this->NoBuilds = true;
this->UseFindModules = false;
configArgs.insert(i);
this->Compatibility_1_6 = false;
doing = DoingNone;
}
else if(this->CheckCommonArgument(args[i]))
{
this->UseFindModules = false;
configArgs.insert(i);
this->Compatibility_1_6 = false;
doing = DoingNone;
}
@ -603,6 +574,29 @@ bool cmFindPackageCommand
}
}
// Maybe choose one mode exclusively.
this->UseFindModules = configArgs.empty();
this->UseConfigFiles = moduleArgs.empty();
if(!this->UseFindModules && !this->UseConfigFiles)
{
cmOStringStream e;
e << "given options exclusive to Module mode:\n";
for(std::set<unsigned int>::const_iterator si = moduleArgs.begin();
si != moduleArgs.end(); ++si)
{
e << " " << args[*si] << "\n";
}
e << "and options exclusive to Config mode:\n";
for(std::set<unsigned int>::const_iterator si = configArgs.begin();
si != configArgs.end(); ++si)
{
e << " " << args[*si] << "\n";
}
e << "The options are incompatible.";
this->SetError(e.str().c_str());
return false;
}
// Ignore EXACT with no version.
if(this->Version.empty() && this->VersionExact)
{