https://github.com/Kitware/CMake
Revision 0b8d69269717a225594d2e0d2bfbd61dbbf04fc9 authored by Craig Scott on 10 November 2021, 10:47:18 UTC, committed by Kitware Robot on 10 November 2021, 10:47:33 UTC
8371056fbb Help: Correct inaccuracies in wording for CMP0128 Acked-by: Kitware Robot <kwrobot@kitware.com> Reviewed-by: Raul Tambre <raul@tambre.ee> Merge-request: !6711
Tip revision: 0b8d69269717a225594d2e0d2bfbd61dbbf04fc9 authored by Craig Scott on 10 November 2021, 10:47:18 UTC
Merge topic 'doc-CMP0128' into release-3.22
Merge topic 'doc-CMP0128' into release-3.22
Tip revision: 0b8d692
cmRemoveCommand.cxx
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmRemoveCommand.h"
#include "cmExecutionStatus.h"
#include "cmMakefile.h"
#include "cmStringAlgorithms.h"
#include "cmValue.h"
// cmRemoveCommand
bool cmRemoveCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.empty()) {
return true;
}
std::string const& variable = args[0]; // VAR is always first
// get the old value
cmValue cacheValue = status.GetMakefile().GetDefinition(variable);
// if there is no old value then return
if (!cacheValue) {
return true;
}
// expand the variable
std::vector<std::string> const varArgsExpanded = cmExpandedList(*cacheValue);
// expand the args
// check for REMOVE(VAR v1 v2 ... vn)
std::vector<std::string> const argsExpanded =
cmExpandedLists(args.begin() + 1, args.end());
// now create the new value
std::string value;
for (std::string const& varArgExpanded : varArgsExpanded) {
int found = 0;
for (std::string const& argExpanded : argsExpanded) {
if (varArgExpanded == argExpanded) {
found = 1;
break;
}
}
if (!found) {
if (!value.empty()) {
value += ";";
}
value += varArgExpanded;
}
}
// add the definition
status.GetMakefile().AddDefinition(variable, value);
return true;
}
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