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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 "cmAddExecutableCommand.h"
#include "cmGlobalGenerator.h"
// cmExecutableCommand
bool cmAddExecutableCommand::InitialPass(std::vector<std::string> const& args,
cmExecutionStatus&)
{
if (args.size() < 2) {
this->SetError("called with incorrect number of arguments");
return false;
}
std::vector<std::string>::const_iterator s = args.begin();
std::string exename = *s;
++s;
bool use_win32 = false;
bool use_macbundle = false;
bool excludeFromAll = false;
bool importTarget = false;
bool importGlobal = false;
bool isAlias = false;
while (s != args.end()) {
if (*s == "WIN32") {
++s;
use_win32 = true;
} else if (*s == "MACOSX_BUNDLE") {
++s;
use_macbundle = true;
} else if (*s == "EXCLUDE_FROM_ALL") {
++s;
excludeFromAll = true;
} else if (*s == "IMPORTED") {
++s;
importTarget = true;
} else if (importTarget && *s == "GLOBAL") {
++s;
importGlobal = true;
} else if (*s == "ALIAS") {
++s;
isAlias = true;
} else {
break;
}
}
bool nameOk = cmGeneratorExpression::IsValidTargetName(exename) &&
!cmGlobalGenerator::IsReservedTarget(exename);
if (nameOk && !importTarget && !isAlias) {
nameOk = exename.find(":") == std::string::npos;
}
if (!nameOk) {
cmake::MessageType messageType = cmake::AUTHOR_WARNING;
std::ostringstream e;
bool issueMessage = false;
switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0037)) {
case cmPolicies::WARN:
e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0037) << "\n";
issueMessage = true;
case cmPolicies::OLD:
break;
case cmPolicies::NEW:
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
issueMessage = true;
messageType = cmake::FATAL_ERROR;
}
if (issueMessage) {
/* clang-format off */
e << "The target name \"" << exename <<
"\" is reserved or not valid for certain "
"CMake features, such as generator expressions, and may result "
"in undefined behavior.";
/* clang-format on */
this->Makefile->IssueMessage(messageType, e.str());
if (messageType == cmake::FATAL_ERROR) {
return false;
}
}
}
// Special modifiers are not allowed with IMPORTED signature.
if (importTarget && (use_win32 || use_macbundle || excludeFromAll)) {
if (use_win32) {
this->SetError("may not be given WIN32 for an IMPORTED target.");
} else if (use_macbundle) {
this->SetError("may not be given MACOSX_BUNDLE for an IMPORTED target.");
} else // if(excludeFromAll)
{
this->SetError(
"may not be given EXCLUDE_FROM_ALL for an IMPORTED target.");
}
return false;
}
if (isAlias) {
if (!cmGeneratorExpression::IsValidTargetName(exename)) {
this->SetError("Invalid name for ALIAS: " + exename);
return false;
}
if (excludeFromAll) {
this->SetError("EXCLUDE_FROM_ALL with ALIAS makes no sense.");
return false;
}
if (importTarget || importGlobal) {
this->SetError("IMPORTED with ALIAS is not allowed.");
return false;
}
if (args.size() != 3) {
std::ostringstream e;
e << "ALIAS requires exactly one target argument.";
this->SetError(e.str());
return false;
}
const char* aliasedName = s->c_str();
if (this->Makefile->IsAlias(aliasedName)) {
std::ostringstream e;
e << "cannot create ALIAS target \"" << exename << "\" because target \""
<< aliasedName << "\" is itself an ALIAS.";
this->SetError(e.str());
return false;
}
cmTarget* aliasedTarget =
this->Makefile->FindTargetToUse(aliasedName, true);
if (!aliasedTarget) {
std::ostringstream e;
e << "cannot create ALIAS target \"" << exename << "\" because target \""
<< aliasedName << "\" does not already "
"exist.";
this->SetError(e.str());
return false;
}
cmStateEnums::TargetType type = aliasedTarget->GetType();
if (type != cmStateEnums::EXECUTABLE) {
std::ostringstream e;
e << "cannot create ALIAS target \"" << exename << "\" because target \""
<< aliasedName << "\" is not an "
"executable.";
this->SetError(e.str());
return false;
}
if (aliasedTarget->IsImported()) {
std::ostringstream e;
e << "cannot create ALIAS target \"" << exename << "\" because target \""
<< aliasedName << "\" is IMPORTED.";
this->SetError(e.str());
return false;
}
this->Makefile->AddAlias(exename, aliasedName);
return true;
}
// Handle imported target creation.
if (importTarget) {
// Make sure the target does not already exist.
if (this->Makefile->FindTargetToUse(exename)) {
std::ostringstream e;
e << "cannot create imported target \"" << exename
<< "\" because another target with the same name already exists.";
this->SetError(e.str());
return false;
}
// Create the imported target.
this->Makefile->AddImportedTarget(exename, cmStateEnums::EXECUTABLE,
importGlobal);
return true;
}
// Enforce name uniqueness.
{
std::string msg;
if (!this->Makefile->EnforceUniqueName(exename, msg)) {
this->SetError(msg);
return false;
}
}
if (s == args.end()) {
this->SetError(
"called with incorrect number of arguments, no sources provided");
return false;
}
std::vector<std::string> srclists(s, args.end());
cmTarget* tgt =
this->Makefile->AddExecutable(exename.c_str(), srclists, excludeFromAll);
if (use_win32) {
tgt->SetProperty("WIN32_EXECUTABLE", "ON");
}
if (use_macbundle) {
tgt->SetProperty("MACOSX_BUNDLE", "ON");
}
return true;
}
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