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-rw-r--r--Source/cmCMakePolicyCommand.cxx28
1 files changed, 25 insertions, 3 deletions
diff --git a/Source/cmCMakePolicyCommand.cxx b/Source/cmCMakePolicyCommand.cxx
index 3ccc815e6..adf9ef80e 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.
@@ -156,6 +161,23 @@ bool cmCMakePolicyCommand::HandleVersionMode(
this->SetError("VERSION given too many arguments");
return false;
}
- this->Makefile->SetPolicyVersion(args[1].c_str());
+ std::string const& version_string = args[1];
+
+ // Separate the <min> version and any trailing ...<max> component.
+ std::string::size_type const dd = version_string.find("...");
+ std::string const version_min = version_string.substr(0, dd);
+ std::string const version_max = dd != std::string::npos
+ ? version_string.substr(dd + 3, std::string::npos)
+ : std::string();
+ if (dd != std::string::npos &&
+ (version_min.empty() || version_max.empty())) {
+ std::ostringstream e;
+ e << "VERSION \"" << version_string
+ << "\" does not have a version on both sides of \"...\".";
+ this->SetError(e.str());
+ return false;
+ }
+
+ this->Makefile->SetPolicyVersion(version_min, version_max);
return true;
}