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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmEnableLanguageCommand.h"
#include "cmExecutionStatus.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmPolicies.h"
#include "cmSystemTools.h"
bool cmEnableLanguageCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.empty()) {
status.SetError("called with incorrect number of arguments");
return false;
}
cmMakefile& mf = status.GetMakefile();
if (!mf.IsNormalDefinitionSet("PROJECT_NAME")) {
switch (mf.GetPolicyStatus(cmPolicies::CMP0165)) {
case cmPolicies::WARN:
mf.IssueMessage(
MessageType::AUTHOR_WARNING,
"project() should be called prior to this enable_language() call.");
break;
case cmPolicies::OLD:
break;
case cmPolicies::NEW:
mf.IssueMessage(
MessageType::FATAL_ERROR,
"project() must be called prior to this enable_language() call.");
cmSystemTools::SetFatalErrorOccurred();
return false;
default:
break;
}
}
bool optional = false;
std::vector<std::string> languages;
for (std::string const& it : args) {
if (it == "OPTIONAL") {
optional = true;
} else {
languages.push_back(it);
}
}
mf.EnableLanguage(languages, optional);
return true;
}
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