diff options
-rw-r--r-- | Source/cmCMakePolicyCommand.cxx | 9 | ||||
-rw-r--r-- | Source/cmMakefile.cxx | 6 | ||||
-rw-r--r-- | Source/cmMakefile.h | 3 | ||||
-rw-r--r-- | Source/cmStateSnapshot.cxx | 8 | ||||
-rw-r--r-- | Source/cmStateSnapshot.h | 3 | ||||
-rw-r--r-- | Tests/PolicyScope/CMakeLists.txt | 8 |
6 files changed, 28 insertions, 9 deletions
diff --git a/Source/cmCMakePolicyCommand.cxx b/Source/cmCMakePolicyCommand.cxx index 7ca1cbc..adf9ef8 100644 --- a/Source/cmCMakePolicyCommand.cxx +++ b/Source/cmCMakePolicyCommand.cxx @@ -95,7 +95,11 @@ bool cmCMakePolicyCommand::HandleSetMode(std::vector<std::string> const& args) bool cmCMakePolicyCommand::HandleGetMode(std::vector<std::string> const& args) { - if (args.size() != 3) { + bool parent_scope = false; + if (args.size() == 4 && args[3] == "PARENT_SCOPE") { + // Undocumented PARENT_SCOPE option for use within CMake. + parent_scope = true; + } else if (args.size() != 3) { this->SetError("GET must be given exactly 2 additional arguments."); return false; } @@ -115,7 +119,8 @@ bool cmCMakePolicyCommand::HandleGetMode(std::vector<std::string> const& args) } // Lookup the policy setting. - cmPolicies::PolicyStatus status = this->Makefile->GetPolicyStatus(pid); + cmPolicies::PolicyStatus status = + this->Makefile->GetPolicyStatus(pid, parent_scope); switch (status) { case cmPolicies::OLD: // Report that the policy is set to OLD. diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx index 9aeeb5c..490d516 100644 --- a/Source/cmMakefile.cxx +++ b/Source/cmMakefile.cxx @@ -4089,10 +4089,10 @@ const char* cmMakefile::GetDefineFlagsCMP0059() const return this->DefineFlagsOrig.c_str(); } -cmPolicies::PolicyStatus cmMakefile::GetPolicyStatus( - cmPolicies::PolicyID id) const +cmPolicies::PolicyStatus cmMakefile::GetPolicyStatus(cmPolicies::PolicyID id, + bool parent_scope) const { - return this->StateSnapshot.GetPolicy(id); + return this->StateSnapshot.GetPolicy(id, parent_scope); } bool cmMakefile::PolicyOptionalWarningEnabled(std::string const& var) diff --git a/Source/cmMakefile.h b/Source/cmMakefile.h index d2626cd..8589deb 100644 --- a/Source/cmMakefile.h +++ b/Source/cmMakefile.h @@ -284,7 +284,8 @@ public: */ bool SetPolicy(cmPolicies::PolicyID id, cmPolicies::PolicyStatus status); bool SetPolicy(const char* id, cmPolicies::PolicyStatus status); - cmPolicies::PolicyStatus GetPolicyStatus(cmPolicies::PolicyID id) const; + cmPolicies::PolicyStatus GetPolicyStatus(cmPolicies::PolicyID id, + bool parent_scope = false) const; bool SetPolicyVersion(std::string const& version_min, std::string const& version_max); void RecordPolicies(cmPolicies::PolicyMap& pm); diff --git a/Source/cmStateSnapshot.cxx b/Source/cmStateSnapshot.cxx index 0d97c33..0229a77 100644 --- a/Source/cmStateSnapshot.cxx +++ b/Source/cmStateSnapshot.cxx @@ -160,8 +160,8 @@ void cmStateSnapshot::SetPolicy(cmPolicies::PolicyID id, } } -cmPolicies::PolicyStatus cmStateSnapshot::GetPolicy( - cmPolicies::PolicyID id) const +cmPolicies::PolicyStatus cmStateSnapshot::GetPolicy(cmPolicies::PolicyID id, + bool parent_scope) const { cmPolicies::PolicyStatus status = cmPolicies::GetPolicyStatus(id); @@ -180,6 +180,10 @@ cmPolicies::PolicyStatus cmStateSnapshot::GetPolicy( cmLinkedTree<cmStateDetail::PolicyStackEntry>::iterator root = dir->DirectoryEnd->PolicyRoot; for (; leaf != root; ++leaf) { + if (parent_scope) { + parent_scope = false; + continue; + } if (leaf->IsDefined(id)) { status = leaf->Get(id); return status; diff --git a/Source/cmStateSnapshot.h b/Source/cmStateSnapshot.h index 94d6274..af5653b 100644 --- a/Source/cmStateSnapshot.h +++ b/Source/cmStateSnapshot.h @@ -43,7 +43,8 @@ public: cmStateEnums::SnapshotType GetType() const; void SetPolicy(cmPolicies::PolicyID id, cmPolicies::PolicyStatus status); - cmPolicies::PolicyStatus GetPolicy(cmPolicies::PolicyID id) const; + cmPolicies::PolicyStatus GetPolicy(cmPolicies::PolicyID id, + bool parent_scope = false) const; bool HasDefinedPolicyCMP0011(); void PushPolicy(cmPolicies::PolicyMap const& entry, bool weak); bool PopPolicy(); diff --git a/Tests/PolicyScope/CMakeLists.txt b/Tests/PolicyScope/CMakeLists.txt index 413195a..353842b 100644 --- a/Tests/PolicyScope/CMakeLists.txt +++ b/Tests/PolicyScope/CMakeLists.txt @@ -52,6 +52,10 @@ if(1) # CMP0002 should be changed when this function is invoked cmake_policy(GET CMP0002 cmp) check(CMP0002 "OLD" "${cmp}") + + # The undocumented PARENT_SCOPE option sees the caller's setting. + cmake_policy(GET CMP0002 cmp PARENT_SCOPE) + check(CMP0002 "NEW" "${cmp}") endfunction() # Unset CMP0002 @@ -61,6 +65,10 @@ if(1) cmake_policy(GET CMP0002 cmp) check(CMP0002 "" "${cmp}") + # The undocumented PARENT_SCOPE option sees the caller's setting. + cmake_policy(GET CMP0002 cmp PARENT_SCOPE) + check(CMP0002 "NEW" "${cmp}") + # Setting the policy should work here and also in the caller. cmake_policy(SET CMP0002 OLD) cmake_policy(GET CMP0002 cmp) |