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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 "cmMarkAsAdvancedCommand.h"
#include "cmExecutionStatus.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmPolicies.h"
#include "cmState.h"
#include "cmStateTypes.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmValue.h"
#include "cmake.h"
// cmMarkAsAdvancedCommand
bool cmMarkAsAdvancedCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.empty()) {
status.SetError("called with incorrect number of arguments");
return false;
}
unsigned int i = 0;
const char* value = "1";
bool overwrite = false;
if (args[0] == "CLEAR" || args[0] == "FORCE") {
overwrite = true;
if (args[0] == "CLEAR") {
value = "0";
}
i = 1;
}
cmMakefile& mf = status.GetMakefile();
cmState* state = mf.GetState();
for (; i < args.size(); ++i) {
std::string const& variable = args[i];
bool issueMessage = false;
bool oldBehavior = false;
bool ignoreVariable = false;
switch (mf.GetPolicyStatus(cmPolicies::CMP0102)) {
case cmPolicies::WARN:
if (mf.PolicyOptionalWarningEnabled("CMAKE_POLICY_WARNING_CMP0102")) {
if (!state->GetCacheEntryValue(variable)) {
issueMessage = true;
}
}
CM_FALLTHROUGH;
case cmPolicies::OLD:
oldBehavior = true;
break;
case cmPolicies::NEW:
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
if (!state->GetCacheEntryValue(variable)) {
ignoreVariable = true;
}
break;
}
// First see if we should issue a message about CMP0102
if (issueMessage) {
std::string err = cmStrCat(
"Policy CMP0102 is not set: The variable named \"", variable,
"\" is not in the cache. This results in an empty cache entry which "
"is no longer created when policy CMP0102 is set to NEW. Run \"cmake "
"--help-policy CMP0102\" for policy details. Use the cmake_policy "
"command to set the policy and suppress this warning.");
mf.IssueMessage(MessageType::AUTHOR_WARNING, err);
}
// If it's not in the cache and we're using the new behavior, nothing to
// see here.
if (ignoreVariable) {
continue;
}
// Check if we want the old behavior of making a dummy cache entry.
if (oldBehavior) {
if (!state->GetCacheEntryValue(variable)) {
status.GetMakefile().GetCMakeInstance()->AddCacheEntry(
variable, cmValue{ nullptr }, cmValue{ nullptr },
cmStateEnums::UNINITIALIZED);
overwrite = true;
}
}
// We need a cache entry to do this.
if (!state->GetCacheEntryValue(variable)) {
cmSystemTools::Error("This should never happen...");
return false;
}
if (!state->GetCacheEntryProperty(variable, "ADVANCED") || overwrite) {
state->SetCacheEntryProperty(variable, "ADVANCED", value);
}
}
return true;
}
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