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Xcode: Each target dependency edge needs a unique object (#13935)

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Generate a unique PBXTargetDependency and PBXContainerItemProxy for
every edge in the dependency graph as required by the Xcode format.
Xcode only accidentally loads project files that re-use the same
PBXTargetDependency for every edge leading to a single target.  If one
is removed by hand in the IDE then Xcode may crash due to dangling
references from the others.

Since cmGlobalXCodeGenerator::AddDependTarget is called exactly once for
every edge in the target dependency graph we do not need to keep track
of which edges have been visited to avoid generating duplicates.
This commit is contained in:
Brad King
2013-02-19 16:13:51 -05:00
parent 781ea6d1ca
commit b005140451
3 changed files with 19 additions and 33 deletions
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42
Source/cmGlobalXCodeGenerator.cxx
View File

@@ -2517,29 +2517,25 @@ std::string cmGlobalXCodeGenerator::GetOrCreateId(const char* name,
void cmGlobalXCodeGenerator::AddDependTarget(cmXCodeObject* target,
cmXCodeObject* dependTarget)
{
cmXCodeObject* targetdep = dependTarget->GetPBXTargetDependency();
if(!targetdep)
{
cmXCodeObject* container =
this->CreateObject(cmXCodeObject::PBXContainerItemProxy);
container->SetComment("PBXContainerItemProxy");
container->AddAttribute("containerPortal",
this->CreateObjectReference(this->RootObject));
container->AddAttribute("proxyType", this->CreateString("1"));
container->AddAttribute("remoteGlobalIDString",
this->CreateObjectReference(dependTarget));
container->AddAttribute("remoteInfo",
this->CreateString(
dependTarget->GetTarget()->GetName()));
targetdep =
this->CreateObject(cmXCodeObject::PBXTargetDependency);
targetdep->SetComment("PBXTargetDependency");
targetdep->AddAttribute("target",
this->CreateObjectReference(dependTarget));
targetdep->AddAttribute("targetProxy",
this->CreateObjectReference(container));
dependTarget->SetPBXTargetDependency(targetdep);
}
// This is called once for every edge in the target dependency graph.
cmXCodeObject* container =
this->CreateObject(cmXCodeObject::PBXContainerItemProxy);
container->SetComment("PBXContainerItemProxy");
container->AddAttribute("containerPortal",
this->CreateObjectReference(this->RootObject));
container->AddAttribute("proxyType", this->CreateString("1"));
container->AddAttribute("remoteGlobalIDString",
this->CreateObjectReference(dependTarget));
container->AddAttribute("remoteInfo",
this->CreateString(
dependTarget->GetTarget()->GetName()));
cmXCodeObject* targetdep =
this->CreateObject(cmXCodeObject::PBXTargetDependency);
targetdep->SetComment("PBXTargetDependency");
targetdep->AddAttribute("target",
this->CreateObjectReference(dependTarget));
targetdep->AddAttribute("targetProxy",
this->CreateObjectReference(container));
cmXCodeObject* depends = target->GetObject("dependencies");
if(!depends)

1
Source/cmXCodeObject.cxx
View File

@@ -38,7 +38,6 @@ cmXCodeObject::~cmXCodeObject()
cmXCodeObject::cmXCodeObject(PBXType ptype, Type type)
{
this->Version = 15;
this->PBXTargetDependencyValue = 0;
this->Target = 0;
this->Object =0;

9
Source/cmXCodeObject.h
View File

@@ -120,14 +120,6 @@ public:
return 0;
}
cmXCodeObject* GetPBXTargetDependency()
{
return this->PBXTargetDependencyValue;
}
void SetPBXTargetDependency(cmXCodeObject* d)
{
this->PBXTargetDependencyValue = d;
}
void CopyAttributes(cmXCodeObject* );
void AddDependLibrary(const char* configName,
@@ -170,7 +162,6 @@ protected:
cmStdString Comment;
cmStdString String;
cmXCodeObject* Object;
cmXCodeObject* PBXTargetDependencyValue;
std::vector<cmXCodeObject*> List;
std::map<cmStdString, StringVec> DependLibraries;
std::map<cmStdString, StringVec> DependTargets;