CMake/Source/cmLinkDirectoriesCommand.cxx
2019-09-21 05:12:31 +02:00

85 lines
2.5 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmLinkDirectoriesCommand.h"
#include <sstream>
#include "cmExecutionStatus.h"
#include "cmGeneratorExpression.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmPolicies.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
static void AddLinkDir(cmMakefile& mf, std::string const& dir,
std::vector<std::string>& directories);
bool cmLinkDirectoriesCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.empty()) {
return true;
}
cmMakefile& mf = status.GetMakefile();
bool before = mf.IsOn("CMAKE_LINK_DIRECTORIES_BEFORE");
auto i = args.cbegin();
if ((*i) == "BEFORE") {
before = true;
++i;
} else if ((*i) == "AFTER") {
before = false;
++i;
}
std::vector<std::string> directories;
for (; i != args.cend(); ++i) {
AddLinkDir(mf, *i, directories);
}
mf.AddLinkDirectory(cmJoin(directories, ";"), before);
return true;
}
static void AddLinkDir(cmMakefile& mf, std::string const& dir,
std::vector<std::string>& directories)
{
std::string unixPath = dir;
cmSystemTools::ConvertToUnixSlashes(unixPath);
if (!cmSystemTools::FileIsFullPath(unixPath) &&
!cmGeneratorExpression::StartsWithGeneratorExpression(unixPath)) {
bool convertToAbsolute = false;
std::ostringstream e;
/* clang-format off */
e << "This command specifies the relative path\n"
<< " " << unixPath << "\n"
<< "as a link directory.\n";
/* clang-format on */
switch (mf.GetPolicyStatus(cmPolicies::CMP0015)) {
case cmPolicies::WARN:
e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0015);
mf.IssueMessage(MessageType::AUTHOR_WARNING, e.str());
break;
case cmPolicies::OLD:
// OLD behavior does not convert
break;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
e << cmPolicies::GetRequiredPolicyError(cmPolicies::CMP0015);
mf.IssueMessage(MessageType::FATAL_ERROR, e.str());
CM_FALLTHROUGH;
case cmPolicies::NEW:
// NEW behavior converts
convertToAbsolute = true;
break;
}
if (convertToAbsolute) {
unixPath = cmStrCat(mf.GetCurrentSourceDirectory(), '/', unixPath);
}
}
directories.push_back(unixPath);
}