https://github.com/Kitware/CMake
Revision 292f336c501cb5e9b1f4ee3bd2bc5b079ff40375 authored by Brad King on 19 July 2021, 16:41:08 UTC, committed by Kitware Robot on 19 July 2021, 16:41:19 UTC
0c7f918fb1 VS: Update Visual Studio 17 2022 generator for Preview 2 1ac1436b25 VS: Fix `/sourceDependencies` flag table entries for v143 919fc7fd5f VS: Remove broken EnableASAN entry from flag table for v143 3f19847b28 VS: Remove empty ExternalWarningLevel entry from flag table for v143 ccb6083cbe VS: Remove empty LanguageStandard entries from flag table for v143 c167de7e70 VS: Remove empty ConformanceMode entry from flag table for v143 993d706a17 VS: Populate `/JMC-` flag table entry for v143 a070d87e08 VS: Populate `-Qspectre-` flag table entry for v143 ... Acked-by: Kitware Robot <kwrobot@kitware.com> Acked-by: Egor Pugin <egor.pugin@gmail.com> Merge-request: !6350
Tip revision: 292f336c501cb5e9b1f4ee3bd2bc5b079ff40375 authored by Brad King on 19 July 2021, 16:41:08 UTC
Merge topic 'vs2022' into release-3.21
Merge topic 'vs2022' into release-3.21
Tip revision: 292f336
cmUnsetCommand.cxx
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmUnsetCommand.h"
#include "cmExecutionStatus.h"
#include "cmMakefile.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
// cmUnsetCommand
bool cmUnsetCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.empty() || args.size() > 2) {
status.SetError("called with incorrect number of arguments");
return false;
}
auto const& variable = args[0];
// unset(ENV{VAR})
if (cmHasLiteralPrefix(variable, "ENV{") && variable.size() > 5) {
// what is the variable name
auto const& envVarName = variable.substr(4, variable.size() - 5);
#ifndef CMAKE_BOOTSTRAP
cmSystemTools::UnsetEnv(envVarName.c_str());
#endif
return true;
}
// unset(VAR)
if (args.size() == 1) {
status.GetMakefile().RemoveDefinition(variable);
return true;
}
// unset(VAR CACHE)
if ((args.size() == 2) && (args[1] == "CACHE")) {
status.GetMakefile().RemoveCacheDefinition(variable);
return true;
}
// unset(VAR PARENT_SCOPE)
if ((args.size() == 2) && (args[1] == "PARENT_SCOPE")) {
status.GetMakefile().RaiseScope(variable, nullptr);
return true;
}
// ERROR: second argument isn't CACHE or PARENT_SCOPE
status.SetError("called with an invalid second argument");
return false;
}
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