diff options
Diffstat (limited to 'Source/cmTarget.cxx')
| -rw-r--r-- | Source/cmTarget.cxx | 109 |
1 files changed, 100 insertions, 9 deletions
diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx index 0a192e6..ea031cd 100644 --- a/Source/cmTarget.cxx +++ b/Source/cmTarget.cxx @@ -96,8 +96,11 @@ public: // Cache link interface computation from each configuration. struct OptionalLinkInterface: public cmTarget::LinkInterface { - OptionalLinkInterface(): Exists(false) {} + OptionalLinkInterface(): + Exists(false), Complete(false), ExplicitLibraries(0) {} bool Exists; + bool Complete; + const char* ExplicitLibraries; }; void ComputeLinkInterface(cmTarget const* thisTarget, const char* config, OptionalLinkInterface& iface, @@ -5207,17 +5210,70 @@ cmTarget::LinkInterface const* cmTarget::GetLinkInterface(const char* config, { // Compute the link interface for this configuration. cmTargetInternals::OptionalLinkInterface iface; - const char* explicitLibraries = + iface.ExplicitLibraries = this->ComputeLinkInterfaceLibraries(config, iface, head, iface.Exists); - this->Internal->ComputeLinkInterface(this, config, iface, - head, explicitLibraries); + if (iface.Exists) + { + this->Internal->ComputeLinkInterface(this, config, iface, + head, iface.ExplicitLibraries); + } + + // Store the information for this configuration. + cmTargetInternals::LinkInterfaceMapType::value_type entry(key, iface); + i = this->Internal->LinkInterfaceMap.insert(entry).first; + } + else if(!i->second.Complete && i->second.Exists) + { + this->Internal->ComputeLinkInterface(this, config, i->second, head, + i->second.ExplicitLibraries); + } + + return i->second.Exists ? &i->second : 0; +} + +//---------------------------------------------------------------------------- +cmTarget::LinkInterface const* +cmTarget::GetLinkInterfaceLibraries(const char* config, + cmTarget const* head) const +{ + // Imported targets have their own link interface. + if(this->IsImported()) + { + if(cmTarget::ImportInfo const* info = this->GetImportInfo(config, head)) + { + return &info->LinkInterface; + } + return 0; + } + + // Link interfaces are not supported for executables that do not + // export symbols. + if(this->GetType() == cmTarget::EXECUTABLE && + !this->IsExecutableWithExports()) + { + return 0; + } + + // Lookup any existing link interface for this configuration. + TargetConfigPair key(head, cmSystemTools::UpperCase(config? config : "")); + + cmTargetInternals::LinkInterfaceMapType::iterator + i = this->Internal->LinkInterfaceMap.find(key); + if(i == this->Internal->LinkInterfaceMap.end()) + { + // Compute the link interface for this configuration. + cmTargetInternals::OptionalLinkInterface iface; + iface.ExplicitLibraries = this->ComputeLinkInterfaceLibraries(config, + iface, + head, + iface.Exists); // Store the information for this configuration. cmTargetInternals::LinkInterfaceMapType::value_type entry(key, iface); i = this->Internal->LinkInterfaceMap.insert(entry).first; } - return i->second.Exists? &i->second : 0; + return i->second.Exists ? &i->second : 0; } //---------------------------------------------------------------------------- @@ -5225,8 +5281,8 @@ void cmTarget::GetTransitivePropertyTargets(const char* config, cmTarget const* headTarget, std::vector<cmTarget*> &tgts) const { - cmTarget::LinkInterface const* iface = this->GetLinkInterface(config, - headTarget); + cmTarget::LinkInterface const* iface + = this->GetLinkInterfaceLibraries(config, headTarget); if (!iface) { return; @@ -5387,8 +5443,8 @@ const char* cmTarget::ComputeLinkInterfaceLibraries(const char* config, // to the link implementation. { // The link implementation is the default link interface. - LinkImplementation const* impl = this->GetLinkImplementation(config, - headTarget); + LinkImplementation const* impl = + this->GetLinkImplementationLibraries(config, headTarget); iface.Libraries = impl->Libraries; if(this->PolicyStatusCMP0022 == cmPolicies::WARN && !this->Internal->PolicyWarnedCMP0022) @@ -5554,6 +5610,7 @@ void cmTargetInternals::ComputeLinkInterface(cmTarget const* thisTarget, sscanf(reps, "%u", &iface.Multiplicity); } } + iface.Complete = true; } //---------------------------------------------------------------------------- @@ -5582,6 +5639,40 @@ cmTarget::GetLinkImplementation(const char* config, cmTarget const* head) const cmTargetInternals::LinkImplMapType::value_type entry(key, impl); i = this->Internal->LinkImplMap.insert(entry).first; } + else if (i->second.Languages.empty()) + { + this->ComputeLinkImplementationLanguages(i->second); + } + + return &i->second; +} + +//---------------------------------------------------------------------------- +cmTarget::LinkImplementation const* +cmTarget::GetLinkImplementationLibraries(const char* config, + cmTarget const* head) const +{ + // There is no link implementation for imported targets. + if(this->IsImported()) + { + return 0; + } + + // Lookup any existing link implementation for this configuration. + TargetConfigPair key(head, cmSystemTools::UpperCase(config? config : "")); + + cmTargetInternals::LinkImplMapType::iterator + i = this->Internal->LinkImplMap.find(key); + if(i == this->Internal->LinkImplMap.end()) + { + // Compute the link implementation for this configuration. + LinkImplementation impl; + this->ComputeLinkImplementation(config, impl, head); + + // Store the information for this configuration. + cmTargetInternals::LinkImplMapType::value_type entry(key, impl); + i = this->Internal->LinkImplMap.insert(entry).first; + } return &i->second; } |