https://github.com/Kitware/CMake
Tip revision: 0cd5300665fdbb68c32e318e5ca423854716c7a7 authored by Brad King on 20 June 2023, 17:11:25 UTC
CMake 3.27.0-rc3
CMake 3.27.0-rc3
Tip revision: 0cd5300
cmSearchPath.cxx
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmSearchPath.h"
#include <algorithm>
#include <cassert>
#include <utility>
#include <cm/optional>
#include "cmFindCommon.h"
#include "cmList.h"
#include "cmMakefile.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmValue.h"
#include "cmWindowsRegistry.h"
cmSearchPath::cmSearchPath(cmFindCommon* findCmd)
: FC(findCmd)
{
}
cmSearchPath::~cmSearchPath() = default;
void cmSearchPath::ExtractWithout(const std::set<std::string>& ignorePaths,
const std::set<std::string>& ignorePrefixes,
std::vector<std::string>& outPaths,
bool clear) const
{
if (clear) {
outPaths.clear();
}
for (auto const& path : this->Paths) {
if (ignorePaths.count(path.Path) == 0 &&
ignorePrefixes.count(path.Prefix) == 0) {
outPaths.push_back(path.Path);
}
}
}
void cmSearchPath::AddPath(const std::string& path)
{
this->AddPathInternal(path, "");
}
void cmSearchPath::AddUserPath(const std::string& path)
{
assert(this->FC != nullptr);
std::vector<std::string> outPaths;
cmWindowsRegistry registry(*this->FC->Makefile,
cmWindowsRegistry::SimpleTypes);
auto expandedPaths = registry.ExpandExpression(path, this->FC->RegistryView);
if (expandedPaths) {
for (const auto& expandedPath : expandedPaths.value()) {
cmSystemTools::GlobDirs(expandedPath, outPaths);
}
}
// Process them all from the current directory
for (std::string const& p : outPaths) {
this->AddPathInternal(
p, "", this->FC->Makefile->GetCurrentSourceDirectory().c_str());
}
}
void cmSearchPath::AddCMakePath(const std::string& variable)
{
assert(this->FC != nullptr);
// Get a path from a CMake variable.
if (cmValue value = this->FC->Makefile->GetDefinition(variable)) {
cmList expanded{ *value };
for (std::string const& p : expanded) {
this->AddPathInternal(
p, "", this->FC->Makefile->GetCurrentSourceDirectory().c_str());
}
}
}
void cmSearchPath::AddEnvPath(const std::string& variable)
{
std::vector<std::string> expanded;
cmSystemTools::GetPath(expanded, variable.c_str());
for (std::string const& p : expanded) {
this->AddPathInternal(p, "");
}
}
void cmSearchPath::AddCMakePrefixPath(const std::string& variable)
{
assert(this->FC != nullptr);
// Get a path from a CMake variable.
if (cmValue value = this->FC->Makefile->GetDefinition(variable)) {
cmList expanded{ *value };
this->AddPrefixPaths(
expanded, this->FC->Makefile->GetCurrentSourceDirectory().c_str());
}
}
static std::string cmSearchPathStripBin(std::string const& s)
{
// If the path is a PREFIX/bin case then add its parent instead.
if ((cmHasLiteralSuffix(s, "/bin")) || (cmHasLiteralSuffix(s, "/sbin"))) {
return cmSystemTools::GetFilenamePath(s);
}
return s;
}
void cmSearchPath::AddEnvPrefixPath(const std::string& variable, bool stripBin)
{
std::vector<std::string> expanded;
cmSystemTools::GetPath(expanded, variable.c_str());
if (stripBin) {
std::transform(expanded.begin(), expanded.end(), expanded.begin(),
cmSearchPathStripBin);
}
this->AddPrefixPaths(expanded);
}
void cmSearchPath::AddSuffixes(const std::vector<std::string>& suffixes)
{
std::vector<PathWithPrefix> inPaths;
inPaths.swap(this->Paths);
this->Paths.reserve(inPaths.size() * (suffixes.size() + 1));
for (PathWithPrefix& inPath : inPaths) {
cmSystemTools::ConvertToUnixSlashes(inPath.Path);
cmSystemTools::ConvertToUnixSlashes(inPath.Prefix);
// if *i is only / then do not add a //
// this will get incorrectly considered a network
// path on windows and cause huge delays.
std::string p = inPath.Path;
if (!p.empty() && p.back() != '/') {
p += "/";
}
// Combine with all the suffixes
for (std::string const& suffix : suffixes) {
this->Paths.push_back(PathWithPrefix{ p + suffix, inPath.Prefix });
}
// And now the original w/o any suffix
this->Paths.push_back(std::move(inPath));
}
}
void cmSearchPath::AddPrefixPaths(const std::vector<std::string>& paths,
const char* base)
{
assert(this->FC != nullptr);
// default for programs
std::string subdir = "bin";
if (this->FC->CMakePathName == "INCLUDE") {
subdir = "include";
} else if (this->FC->CMakePathName == "LIBRARY") {
subdir = "lib";
} else if (this->FC->CMakePathName == "FRAMEWORK") {
subdir.clear(); // ? what to do for frameworks ?
}
for (std::string const& path : paths) {
std::string dir = path;
if (!subdir.empty() && !dir.empty() && dir.back() != '/') {
dir += "/";
}
std::string prefix = dir;
if (!prefix.empty() && prefix != "/") {
prefix.erase(prefix.size() - 1);
}
if (subdir == "include" || subdir == "lib") {
cmValue arch =
this->FC->Makefile->GetDefinition("CMAKE_LIBRARY_ARCHITECTURE");
if (cmNonempty(arch)) {
std::string archNoUnknown = *arch;
auto unknownAtPos = archNoUnknown.find("-unknown-");
bool foundUnknown = unknownAtPos != std::string::npos;
if (foundUnknown) {
// Replace "-unknown-" with "-".
archNoUnknown.replace(unknownAtPos, 9, "-");
}
if (this->FC->Makefile->IsDefinitionSet("CMAKE_SYSROOT") &&
this->FC->Makefile->IsDefinitionSet(
"CMAKE_PREFIX_LIBRARY_ARCHITECTURE")) {
if (foundUnknown) {
this->AddPathInternal(cmStrCat('/', archNoUnknown, dir, subdir),
cmStrCat('/', archNoUnknown, prefix), base);
}
this->AddPathInternal(cmStrCat('/', *arch, dir, subdir),
cmStrCat('/', *arch, prefix), base);
} else {
if (foundUnknown) {
this->AddPathInternal(cmStrCat(dir, subdir, '/', archNoUnknown),
prefix, base);
}
this->AddPathInternal(cmStrCat(dir, subdir, '/', *arch), prefix,
base);
}
}
}
std::string add = dir + subdir;
if (add != "/") {
this->AddPathInternal(add, prefix, base);
}
if (subdir == "bin") {
this->AddPathInternal(dir + "sbin", prefix, base);
}
if (!subdir.empty() && path != "/") {
this->AddPathInternal(path, prefix, base);
}
}
}
void cmSearchPath::AddPathInternal(const std::string& path,
const std::string& prefix, const char* base)
{
assert(this->FC != nullptr);
std::string collapsedPath = cmSystemTools::CollapseFullPath(path, base);
if (collapsedPath.empty()) {
return;
}
std::string collapsedPrefix;
if (!prefix.empty()) {
collapsedPrefix = cmSystemTools::CollapseFullPath(prefix, base);
}
// Insert the path if has not already been emitted.
PathWithPrefix pathWithPrefix{ std::move(collapsedPath),
std::move(collapsedPrefix) };
if (this->FC->SearchPathsEmitted.insert(pathWithPrefix).second) {
this->Paths.emplace_back(std::move(pathWithPrefix));
}
}