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6a3922bebe
The purpose of this new `IMPORTED_GLOBAL` target-property is to prolong the lifetime and scope of `IMPORTED` targets in such a way as if they had been created with the keyword `GLOBAL` in the first place. * It can only be set to `TRUE`. That means, a local `IMPORTED` target can be promoted to global scope but a global `IMPORTED` target cannot be degraded to local scope! * Setting it to `TRUE` only succeeds if done from within the same directory in which the `IMPORTED` target was created in the first place. Fixes #17256.
101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmTargetPropertyComputer.h"
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#include <sstream>
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#include <unordered_set>
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#include "cmMessenger.h"
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#include "cmPolicies.h"
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#include "cmStateSnapshot.h"
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#include "cmake.h"
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bool cmTargetPropertyComputer::HandleLocationPropertyPolicy(
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std::string const& tgtName, cmMessenger* messenger,
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cmListFileBacktrace const& context)
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{
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std::ostringstream e;
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const char* modal = nullptr;
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cmake::MessageType messageType = cmake::AUTHOR_WARNING;
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switch (context.GetBottom().GetPolicy(cmPolicies::CMP0026)) {
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case cmPolicies::WARN:
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e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0026) << "\n";
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modal = "should";
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case cmPolicies::OLD:
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break;
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case cmPolicies::REQUIRED_ALWAYS:
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case cmPolicies::REQUIRED_IF_USED:
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case cmPolicies::NEW:
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modal = "may";
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messageType = cmake::FATAL_ERROR;
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}
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if (modal) {
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e << "The LOCATION property " << modal << " not be read from target \""
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<< tgtName
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<< "\". Use the target name directly with "
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"add_custom_command, or use the generator expression $<TARGET_FILE>, "
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"as appropriate.\n";
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messenger->IssueMessage(messageType, e.str(), context);
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}
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return messageType != cmake::FATAL_ERROR;
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}
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bool cmTargetPropertyComputer::WhiteListedInterfaceProperty(
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const std::string& prop)
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{
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if (cmHasLiteralPrefix(prop, "INTERFACE_")) {
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return true;
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}
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static std::unordered_set<std::string> builtIns;
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if (builtIns.empty()) {
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builtIns.insert("COMPATIBLE_INTERFACE_BOOL");
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builtIns.insert("COMPATIBLE_INTERFACE_NUMBER_MAX");
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builtIns.insert("COMPATIBLE_INTERFACE_NUMBER_MIN");
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builtIns.insert("COMPATIBLE_INTERFACE_STRING");
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builtIns.insert("EXPORT_NAME");
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builtIns.insert("IMPORTED");
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builtIns.insert("IMPORTED_GLOBAL");
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builtIns.insert("NAME");
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builtIns.insert("TYPE");
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}
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if (builtIns.count(prop)) {
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return true;
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}
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if (prop == "IMPORTED_CONFIGURATIONS" || prop == "IMPORTED_LIBNAME" ||
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cmHasLiteralPrefix(prop, "IMPORTED_LIBNAME_") ||
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cmHasLiteralPrefix(prop, "MAP_IMPORTED_CONFIG_")) {
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return true;
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}
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// This property should not be allowed but was incorrectly added in
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// CMake 3.8. We can't remove it from the whitelist without breaking
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// projects that try to set it. One day we could warn about this, but
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// for now silently accept it.
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if (prop == "NO_SYSTEM_FROM_IMPORTED") {
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return true;
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}
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return false;
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}
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bool cmTargetPropertyComputer::PassesWhitelist(
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cmStateEnums::TargetType tgtType, std::string const& prop,
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cmMessenger* messenger, cmListFileBacktrace const& context)
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{
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if (tgtType == cmStateEnums::INTERFACE_LIBRARY &&
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!WhiteListedInterfaceProperty(prop)) {
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std::ostringstream e;
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e << "INTERFACE_LIBRARY targets may only have whitelisted properties. "
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"The property \""
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<< prop << "\" is not allowed.";
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messenger->IssueMessage(cmake::FATAL_ERROR, e.str(), context);
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return false;
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}
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return true;
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}
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