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345 lines
11 KiB
345 lines
11 KiB
/* 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 "cmFindCommon.h"
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#include <algorithm>
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#include <functional>
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cmFindCommon::PathGroup cmFindCommon::PathGroup::All("ALL");
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cmFindCommon::PathLabel cmFindCommon::PathLabel::CMake("CMAKE");
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cmFindCommon::PathLabel cmFindCommon::PathLabel::CMakeEnvironment(
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"CMAKE_ENVIRONMENT");
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cmFindCommon::PathLabel cmFindCommon::PathLabel::Hints("HINTS");
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cmFindCommon::PathLabel cmFindCommon::PathLabel::SystemEnvironment(
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"SYSTM_ENVIRONMENT");
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cmFindCommon::PathLabel cmFindCommon::PathLabel::CMakeSystem("CMAKE_SYSTEM");
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cmFindCommon::PathLabel cmFindCommon::PathLabel::Guess("GUESS");
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cmFindCommon::cmFindCommon()
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{
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this->FindRootPathMode = RootPathModeBoth;
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this->NoDefaultPath = false;
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this->NoCMakePath = false;
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this->NoCMakeEnvironmentPath = false;
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this->NoSystemEnvironmentPath = false;
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this->NoCMakeSystemPath = false;
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// OS X Bundle and Framework search policy. The default is to
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// search frameworks first on apple.
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#if defined(__APPLE__)
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this->SearchFrameworkFirst = true;
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this->SearchAppBundleFirst = true;
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#else
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this->SearchFrameworkFirst = false;
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this->SearchAppBundleFirst = false;
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#endif
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this->SearchFrameworkOnly = false;
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this->SearchFrameworkLast = false;
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this->SearchAppBundleOnly = false;
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this->SearchAppBundleLast = false;
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this->InitializeSearchPathGroups();
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}
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cmFindCommon::~cmFindCommon()
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{
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}
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void cmFindCommon::InitializeSearchPathGroups()
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{
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std::vector<PathLabel>* labels;
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// Define the varoius different groups of path types
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// All search paths
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labels = &this->PathGroupLabelMap[PathGroup::All];
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labels->push_back(PathLabel::CMake);
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labels->push_back(PathLabel::CMakeEnvironment);
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labels->push_back(PathLabel::Hints);
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labels->push_back(PathLabel::SystemEnvironment);
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labels->push_back(PathLabel::CMakeSystem);
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labels->push_back(PathLabel::Guess);
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// Define the search group order
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this->PathGroupOrder.push_back(PathGroup::All);
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// Create the idividual labeld search paths
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this->LabeledPaths.insert(
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std::make_pair(PathLabel::CMake, cmSearchPath(this)));
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this->LabeledPaths.insert(
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std::make_pair(PathLabel::CMakeEnvironment, cmSearchPath(this)));
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this->LabeledPaths.insert(
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std::make_pair(PathLabel::Hints, cmSearchPath(this)));
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this->LabeledPaths.insert(
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std::make_pair(PathLabel::SystemEnvironment, cmSearchPath(this)));
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this->LabeledPaths.insert(
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std::make_pair(PathLabel::CMakeSystem, cmSearchPath(this)));
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this->LabeledPaths.insert(
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std::make_pair(PathLabel::Guess, cmSearchPath(this)));
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}
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void cmFindCommon::SelectDefaultRootPathMode()
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{
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// Check the policy variable for this find command type.
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std::string findRootPathVar = "CMAKE_FIND_ROOT_PATH_MODE_";
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findRootPathVar += this->CMakePathName;
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std::string rootPathMode =
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this->Makefile->GetSafeDefinition(findRootPathVar);
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if (rootPathMode == "NEVER") {
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this->FindRootPathMode = RootPathModeNever;
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} else if (rootPathMode == "ONLY") {
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this->FindRootPathMode = RootPathModeOnly;
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} else if (rootPathMode == "BOTH") {
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this->FindRootPathMode = RootPathModeBoth;
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}
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}
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void cmFindCommon::SelectDefaultMacMode()
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{
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std::string ff = this->Makefile->GetSafeDefinition("CMAKE_FIND_FRAMEWORK");
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if (ff == "NEVER") {
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this->SearchFrameworkLast = false;
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this->SearchFrameworkFirst = false;
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this->SearchFrameworkOnly = false;
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} else if (ff == "ONLY") {
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this->SearchFrameworkLast = false;
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this->SearchFrameworkFirst = false;
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this->SearchFrameworkOnly = true;
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} else if (ff == "FIRST") {
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this->SearchFrameworkLast = false;
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this->SearchFrameworkFirst = true;
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this->SearchFrameworkOnly = false;
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} else if (ff == "LAST") {
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this->SearchFrameworkLast = true;
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this->SearchFrameworkFirst = false;
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this->SearchFrameworkOnly = false;
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}
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std::string fab = this->Makefile->GetSafeDefinition("CMAKE_FIND_APPBUNDLE");
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if (fab == "NEVER") {
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this->SearchAppBundleLast = false;
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this->SearchAppBundleFirst = false;
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this->SearchAppBundleOnly = false;
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} else if (fab == "ONLY") {
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this->SearchAppBundleLast = false;
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this->SearchAppBundleFirst = false;
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this->SearchAppBundleOnly = true;
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} else if (fab == "FIRST") {
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this->SearchAppBundleLast = false;
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this->SearchAppBundleFirst = true;
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this->SearchAppBundleOnly = false;
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} else if (fab == "LAST") {
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this->SearchAppBundleLast = true;
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this->SearchAppBundleFirst = false;
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this->SearchAppBundleOnly = false;
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}
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}
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void cmFindCommon::RerootPaths(std::vector<std::string>& paths)
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{
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#if 0
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for(std::vector<std::string>::const_iterator i = paths.begin();
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i != paths.end(); ++i)
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{
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fprintf(stderr, "[%s]\n", i->c_str());
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}
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#endif
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// Short-circuit if there is nothing to do.
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if (this->FindRootPathMode == RootPathModeNever) {
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return;
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}
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const char* sysroot = this->Makefile->GetDefinition("CMAKE_SYSROOT");
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const char* rootPath = this->Makefile->GetDefinition("CMAKE_FIND_ROOT_PATH");
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const bool noSysroot = !sysroot || !*sysroot;
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const bool noRootPath = !rootPath || !*rootPath;
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if (noSysroot && noRootPath) {
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return;
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}
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// Construct the list of path roots with no trailing slashes.
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std::vector<std::string> roots;
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if (rootPath) {
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cmSystemTools::ExpandListArgument(rootPath, roots);
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}
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if (sysroot) {
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roots.push_back(sysroot);
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}
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for (std::vector<std::string>::iterator ri = roots.begin();
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ri != roots.end(); ++ri) {
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cmSystemTools::ConvertToUnixSlashes(*ri);
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}
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const char* stagePrefix =
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this->Makefile->GetDefinition("CMAKE_STAGING_PREFIX");
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// Copy the original set of unrooted paths.
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std::vector<std::string> unrootedPaths = paths;
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paths.clear();
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for (std::vector<std::string>::const_iterator ri = roots.begin();
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ri != roots.end(); ++ri) {
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for (std::vector<std::string>::const_iterator ui = unrootedPaths.begin();
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ui != unrootedPaths.end(); ++ui) {
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// Place the unrooted path under the current root if it is not
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// already inside. Skip the unrooted path if it is relative to
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// a user home directory or is empty.
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std::string rootedDir;
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if (cmSystemTools::IsSubDirectory(*ui, *ri) ||
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(stagePrefix && cmSystemTools::IsSubDirectory(*ui, stagePrefix))) {
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rootedDir = *ui;
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} else if (!ui->empty() && (*ui)[0] != '~') {
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// Start with the new root.
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rootedDir = *ri;
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rootedDir += "/";
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// Append the original path with its old root removed.
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rootedDir += cmSystemTools::SplitPathRootComponent(*ui);
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}
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// Store the new path.
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paths.push_back(rootedDir);
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}
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}
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// If searching both rooted and unrooted paths add the original
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// paths again.
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if (this->FindRootPathMode == RootPathModeBoth) {
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paths.insert(paths.end(), unrootedPaths.begin(), unrootedPaths.end());
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}
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}
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void cmFindCommon::FilterPaths(const std::vector<std::string>& inPaths,
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const std::set<std::string>& ignore,
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std::vector<std::string>& outPaths)
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{
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for (std::vector<std::string>::const_iterator i = inPaths.begin();
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i != inPaths.end(); ++i) {
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if (ignore.count(*i) == 0) {
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outPaths.push_back(*i);
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}
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}
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}
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void cmFindCommon::GetIgnoredPaths(std::vector<std::string>& ignore)
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{
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// null-terminated list of paths.
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static const char* paths[] = { "CMAKE_SYSTEM_IGNORE_PATH",
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"CMAKE_IGNORE_PATH", CM_NULLPTR };
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// Construct the list of path roots with no trailing slashes.
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for (const char** pathName = paths; *pathName; ++pathName) {
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// Get the list of paths to ignore from the variable.
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const char* ignorePath = this->Makefile->GetDefinition(*pathName);
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if ((ignorePath == CM_NULLPTR) || (strlen(ignorePath) == 0)) {
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continue;
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}
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cmSystemTools::ExpandListArgument(ignorePath, ignore);
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}
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for (std::vector<std::string>::iterator i = ignore.begin();
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i != ignore.end(); ++i) {
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cmSystemTools::ConvertToUnixSlashes(*i);
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}
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}
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void cmFindCommon::GetIgnoredPaths(std::set<std::string>& ignore)
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{
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std::vector<std::string> ignoreVec;
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GetIgnoredPaths(ignoreVec);
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ignore.insert(ignoreVec.begin(), ignoreVec.end());
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}
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bool cmFindCommon::CheckCommonArgument(std::string const& arg)
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{
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if (arg == "NO_DEFAULT_PATH") {
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this->NoDefaultPath = true;
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} else if (arg == "NO_CMAKE_ENVIRONMENT_PATH") {
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this->NoCMakeEnvironmentPath = true;
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} else if (arg == "NO_CMAKE_PATH") {
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this->NoCMakePath = true;
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} else if (arg == "NO_SYSTEM_ENVIRONMENT_PATH") {
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this->NoSystemEnvironmentPath = true;
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} else if (arg == "NO_CMAKE_SYSTEM_PATH") {
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this->NoCMakeSystemPath = true;
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} else if (arg == "NO_CMAKE_FIND_ROOT_PATH") {
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this->FindRootPathMode = RootPathModeNever;
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} else if (arg == "ONLY_CMAKE_FIND_ROOT_PATH") {
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this->FindRootPathMode = RootPathModeOnly;
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} else if (arg == "CMAKE_FIND_ROOT_PATH_BOTH") {
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this->FindRootPathMode = RootPathModeBoth;
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} else {
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// The argument is not one of the above.
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return false;
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}
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// The argument is one of the above.
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return true;
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}
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void cmFindCommon::AddPathSuffix(std::string const& arg)
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{
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std::string suffix = arg;
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// Strip leading and trailing slashes.
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if (suffix.empty()) {
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return;
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}
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if (suffix[0] == '/') {
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suffix = suffix.substr(1, suffix.npos);
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}
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if (suffix.empty()) {
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return;
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}
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if (suffix[suffix.size() - 1] == '/') {
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suffix = suffix.substr(0, suffix.size() - 1);
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}
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if (suffix.empty()) {
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return;
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}
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// Store the suffix.
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this->SearchPathSuffixes.push_back(suffix);
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}
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void AddTrailingSlash(std::string& s)
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{
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if (!s.empty() && *s.rbegin() != '/') {
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s += '/';
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}
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}
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void cmFindCommon::ComputeFinalPaths()
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{
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// Filter out ignored paths from the prefix list
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std::set<std::string> ignored;
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this->GetIgnoredPaths(ignored);
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// Combine the seperate path types, filtering out ignores
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this->SearchPaths.clear();
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std::vector<PathLabel>& allLabels = this->PathGroupLabelMap[PathGroup::All];
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for (std::vector<PathLabel>::const_iterator l = allLabels.begin();
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l != allLabels.end(); ++l) {
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this->LabeledPaths[*l].ExtractWithout(ignored, this->SearchPaths);
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}
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// Expand list of paths inside all search roots.
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this->RerootPaths(this->SearchPaths);
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// Add a trailing slash to all paths to aid the search process.
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std::for_each(this->SearchPaths.begin(), this->SearchPaths.end(),
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&AddTrailingSlash);
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}
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void cmFindCommon::SetMakefile(cmMakefile* makefile)
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{
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cmCommand::SetMakefile(makefile);
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// If we are building for Apple (OSX or also iphone), make sure
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// that frameworks and bundles are searched first.
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if (this->Makefile->IsOn("APPLE")) {
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this->SearchFrameworkFirst = true;
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this->SearchAppBundleFirst = true;
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}
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}
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