617 lines
19 KiB
C++
617 lines
19 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmFindBase.h"
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cmFindBase::cmFindBase()
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{
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cmSystemTools::ReplaceString(this->GenericDocumentationPathsOrder,
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"FIND_ARGS_XXX", "<VAR> NAMES name");
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this->AlreadyInCache = false;
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this->AlreadyInCacheWithoutMetaInfo = false;
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this->GenericDocumentation =
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" FIND_XXX(<VAR> name1 [path1 path2 ...])\n"
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"This is the short-hand signature for the command that "
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"is sufficient in many cases. It is the same "
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"as FIND_XXX(<VAR> name1 [PATHS path1 path2 ...])\n"
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" FIND_XXX(\n"
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" <VAR>\n"
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" name | NAMES name1 [name2 ...]\n"
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" [PATHS path1 [path2 ... ENV var]]\n"
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" [PATH_SUFFIXES suffix1 [suffix2 ...]]\n"
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" [DOC \"cache documentation string\"]\n"
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" [NO_DEFAULT_PATH]\n"
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" [NO_CMAKE_ENVIRONMENT_PATH]\n"
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" [NO_CMAKE_PATH]\n"
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" [NO_SYSTEM_ENVIRONMENT_PATH]\n"
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" [NO_CMAKE_SYSTEM_PATH]\n"
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" [CMAKE_FIND_ROOT_PATH_BOTH |\n"
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" ONLY_CMAKE_FIND_ROOT_PATH |\n"
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" NO_CMAKE_FIND_ROOT_PATH]\n"
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" )\n"
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""
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"This command is used to find a SEARCH_XXX_DESC. "
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"A cache entry named by <VAR> is created to store the result "
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"of this command. "
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"If the SEARCH_XXX is found the result is stored in the variable "
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"and the search will not be repeated unless the variable is cleared. "
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"If nothing is found, the result will be "
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"<VAR>-NOTFOUND, and the search will be attempted again the "
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"next time FIND_XXX is invoked with the same variable. "
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"The name of the SEARCH_XXX that "
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"is searched for is specified by the names listed "
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"after the NAMES argument. Additional search locations "
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"can be specified after the PATHS argument. If ENV var is "
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"found in the PATHS section the environment variable var "
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"will be read and converted from a system environment variable to "
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"a cmake style list of paths. For example ENV PATH would be a way "
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"to list the system path variable. The argument "
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"after DOC will be used for the documentation string in "
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"the cache. PATH_SUFFIXES can be used to give sub directories "
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"that will be appended to the search paths.\n"
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"If NO_DEFAULT_PATH is specified, then no additional paths are "
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"added to the search. "
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"If NO_DEFAULT_PATH is not specified, the search process is as follows:\n"
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"1. Search cmake specific environment variables. This "
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"can be skipped if NO_CMAKE_ENVIRONMENT_PATH is passed.\n"
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""
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" <prefix>/XXX_SUBDIR for each <prefix> in CMAKE_PREFIX_PATH\n"
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" CMAKE_XXX_PATH\n"
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" CMAKE_XXX_MAC_PATH\n"
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"2. Search cmake variables with the same names as "
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"the cmake specific environment variables. These "
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"are intended to be used on the command line with a "
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"-DVAR=value. This can be skipped if NO_CMAKE_PATH "
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"is passed.\n"
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""
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" <prefix>/XXX_SUBDIR for each <prefix> in CMAKE_PREFIX_PATH\n"
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" CMAKE_XXX_PATH\n"
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" CMAKE_XXX_MAC_PATH\n"
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"3. Search the standard system environment variables. "
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"This can be skipped if NO_SYSTEM_ENVIRONMENT_PATH is an argument.\n"
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" PATH\n"
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" XXX_SYSTEM\n" // replace with "", LIB, or INCLUDE
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"4. Search cmake variables defined in the Platform files "
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"for the current system. This can be skipped if NO_CMAKE_SYSTEM_PATH "
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"is passed.\n"
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" <prefix>/XXX_SUBDIR for each <prefix> in CMAKE_SYSTEM_PREFIX_PATH\n"
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" CMAKE_SYSTEM_XXX_PATH\n"
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" CMAKE_SYSTEM_XXX_MAC_PATH\n"
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"5. Search the paths specified after PATHS or in the short-hand version "
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"of the command.\n"
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;
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this->GenericDocumentation += this->GenericDocumentationMacPolicy;
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this->GenericDocumentation += this->GenericDocumentationRootPath;
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this->GenericDocumentation += this->GenericDocumentationPathsOrder;
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}
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bool cmFindBase::ParseArguments(std::vector<std::string> const& argsIn)
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{
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if(argsIn.size() < 2 )
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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// CMake versions below 2.3 did not search all these extra
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// locations. Preserve compatibility unless a modern argument is
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// passed.
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bool compatibility = this->Makefile->NeedBackwardsCompatibility(2,3);
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// copy argsIn into args so it can be modified,
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// in the process extract the DOC "documentation"
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size_t size = argsIn.size();
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std::vector<std::string> args;
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bool foundDoc = false;
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for(unsigned int j = 0; j < size; ++j)
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{
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if(foundDoc || argsIn[j] != "DOC" )
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{
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if(argsIn[j] == "ENV")
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{
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if(j+1 < size)
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{
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j++;
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cmSystemTools::GetPath(args, argsIn[j].c_str());
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}
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}
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else
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{
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args.push_back(argsIn[j]);
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}
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}
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else
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{
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if(j+1 < size)
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{
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foundDoc = true;
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this->VariableDocumentation = argsIn[j+1];
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j++;
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if(j >= size)
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{
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break;
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}
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}
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}
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}
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this->VariableName = args[0];
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if(this->CheckForVariableInCache())
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{
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this->AlreadyInCache = true;
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return true;
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}
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this->AlreadyInCache = false;
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// Find the current root path mode.
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this->SelectDefaultRootPathMode();
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// Find the current bundle/framework search policy.
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this->SelectDefaultMacMode();
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std::vector<std::string> userPaths;
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std::string doc;
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bool doingNames = true; // assume it starts with a name
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bool doingPaths = false;
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bool doingPathSuf = false;
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bool newStyle = false;
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for (unsigned int j = 1; j < args.size(); ++j)
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{
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if(args[j] == "NAMES")
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{
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doingNames = true;
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newStyle = true;
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doingPathSuf = false;
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doingPaths = false;
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}
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else if (args[j] == "PATHS")
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{
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doingPaths = true;
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newStyle = true;
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doingNames = false;
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doingPathSuf = false;
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}
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else if (args[j] == "PATH_SUFFIXES")
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{
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compatibility = false;
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doingPathSuf = true;
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newStyle = true;
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doingNames = false;
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doingPaths = false;
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}
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else if (args[j] == "NO_SYSTEM_PATH")
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{
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doingPaths = false;
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doingPathSuf = false;
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doingNames = false;
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this->NoDefaultPath = true;
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}
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else if (this->CheckCommonArgument(args[j]))
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{
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compatibility = false;
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doingPaths = false;
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doingPathSuf = false;
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doingNames = false;
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}
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else
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{
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if(doingNames)
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{
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this->Names.push_back(args[j]);
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}
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else if(doingPaths)
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{
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userPaths.push_back(args[j]);
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}
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else if(doingPathSuf)
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{
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this->AddPathSuffix(args[j]);
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}
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}
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}
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// Now that arguments have been parsed check the compatibility
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// setting. If we need to be compatible with CMake 2.2 and earlier
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// do not add the CMake system paths. It is safe to add the CMake
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// environment paths and system environment paths because that
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// existed in 2.2. It is safe to add the CMake user variable paths
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// because the user or project has explicitly set them.
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if(compatibility)
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{
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this->NoCMakeSystemPath = true;
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}
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if(this->VariableDocumentation.size() == 0)
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{
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this->VariableDocumentation = "Where can ";
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if(this->Names.size() == 0)
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{
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this->VariableDocumentation += "the (unknown) library be found";
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}
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else if(this->Names.size() == 1)
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{
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this->VariableDocumentation += "the "
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+ this->Names[0] + " library be found";
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}
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else
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{
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this->VariableDocumentation += "one of the " + this->Names[0];
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for (unsigned int j = 1; j < this->Names.size() - 1; ++j)
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{
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this->VariableDocumentation += ", " + this->Names[j];
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}
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this->VariableDocumentation += " or "
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+ this->Names[this->Names.size() - 1] + " libraries be found";
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}
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}
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// look for old style
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// FIND_*(VAR name path1 path2 ...)
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if(!newStyle)
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{
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this->Names.clear(); // clear out any values in Names
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this->Names.push_back(args[1]);
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for(unsigned int j = 2; j < args.size(); ++j)
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{
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userPaths.push_back(args[j]);
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}
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}
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this->ExpandPaths(userPaths);
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// Handle search root stuff.
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this->RerootPaths(this->SearchPaths);
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return true;
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}
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void cmFindBase::ExpandPaths(std::vector<std::string> userPaths)
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{
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// if NO Default paths was not specified add the
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// standard search paths.
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if(!this->NoDefaultPath)
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{
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if(this->SearchFrameworkFirst || this->SearchFrameworkOnly)
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{
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this->AddFrameWorkPaths();
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}
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if(this->SearchAppBundleFirst || this->SearchAppBundleOnly)
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{
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this->AddAppBundlePaths();
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}
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if(!this->NoCMakeEnvironmentPath &&
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!(this->SearchFrameworkOnly || this->SearchAppBundleOnly))
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{
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// Add CMAKE_*_PATH environment variables
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this->AddEnvironmentVariables();
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}
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if(!this->NoCMakePath &&
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!(this->SearchFrameworkOnly || this->SearchAppBundleOnly))
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{
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// Add CMake varibles of the same name as the previous environment
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// varibles CMAKE_*_PATH to be used most of the time with -D
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// command line options
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this->AddCMakeVariables();
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}
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if(!this->NoSystemEnvironmentPath &&
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!(this->SearchFrameworkOnly || this->SearchAppBundleOnly))
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{
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// add System environment PATH and (LIB or INCLUDE)
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this->AddSystemEnvironmentVariables();
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}
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if(!this->NoCMakeSystemPath &&
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!(this->SearchFrameworkOnly || this->SearchAppBundleOnly))
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{
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// Add CMAKE_SYSTEM_*_PATH variables which are defined in platform files
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this->AddCMakeSystemVariables();
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}
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if(this->SearchAppBundleLast)
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{
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this->AddAppBundlePaths();
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}
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if(this->SearchFrameworkLast)
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{
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this->AddFrameWorkPaths();
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}
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}
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std::vector<std::string> paths;
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// add the paths specified in the FIND_* call
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for(unsigned int i =0; i < userPaths.size(); ++i)
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{
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paths.push_back(userPaths[i]);
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}
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this->AddPaths(paths);
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}
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//----------------------------------------------------------------------------
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void cmFindBase::AddEnvironmentVariables()
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{
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std::vector<std::string> paths;
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std::vector<std::string> prefixPaths;
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cmSystemTools::GetPath(prefixPaths, "CMAKE_PREFIX_PATH");
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this->AddFindPrefix(paths, prefixPaths);
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std::string var = "CMAKE_";
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var += this->CMakePathName;
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var += "_PATH";
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cmSystemTools::GetPath(paths, var.c_str());
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this->AddPaths(paths);
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}
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void cmFindBase::AddFindPrefix(std::vector<std::string>& dest,
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const std::vector<std::string>& src)
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{
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// default for programs
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std::string subdir = "bin";
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if (this->CMakePathName == "INCLUDE")
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{
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subdir = "include";
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}
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else if (this->CMakePathName == "LIBRARY")
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{
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subdir = "lib";
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}
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else if (this->CMakePathName == "FRAMEWORK")
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{
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subdir = ""; // ? what to do for frameworks ?
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}
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for (std::vector<std::string>::const_iterator it = src.begin();
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it != src.end();
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++it)
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{
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std::string dir = it->c_str();
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if(!subdir.empty() && !dir.empty() && dir[dir.size()-1] != '/')
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{
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dir += "/";
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}
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std::string add = dir + subdir;
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if(add != "/")
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{
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dest.push_back(add);
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}
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if (subdir == "bin")
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{
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dest.push_back(dir + "sbin");
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}
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if(!subdir.empty() && *it != "/")
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{
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dest.push_back(*it);
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}
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}
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}
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void cmFindBase::AddFrameWorkPaths()
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{
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std::vector<std::string> paths;
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this->GetFrameworkPaths(paths);
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this->AddPaths(paths);
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}
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void cmFindBase::AddPaths(std::vector<std::string> & paths)
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{
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// add suffixes and clean up paths
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this->ExpandRegistryAndCleanPath(paths);
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// add the paths to the search paths
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this->SearchPaths.insert(this->SearchPaths.end(),
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paths.begin(),
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paths.end());
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}
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void cmFindBase::AddAppBundlePaths()
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{
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std::vector<std::string> paths;
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this->GetAppBundlePaths(paths);
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this->AddPaths(paths);
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}
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void cmFindBase::AddCMakeVariables()
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{
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std::string var = "CMAKE_";
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var += this->CMakePathName;
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var += "_PATH";
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std::vector<std::string> paths;
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if(const char* prefixPath =
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this->Makefile->GetDefinition("CMAKE_PREFIX_PATH"))
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{
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std::vector<std::string> prefixPaths;
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cmSystemTools::ExpandListArgument(prefixPath, prefixPaths);
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this->AddFindPrefix(paths, prefixPaths);
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}
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if(const char* path = this->Makefile->GetDefinition(var.c_str()))
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{
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cmSystemTools::ExpandListArgument(path, paths);
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}
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this->AddPaths(paths);
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}
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void cmFindBase::AddSystemEnvironmentVariables()
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{
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// Add LIB or INCLUDE
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std::vector<std::string> paths;
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if(this->EnvironmentPath.size())
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{
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cmSystemTools::GetPath(paths, this->EnvironmentPath.c_str());
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}
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// Add PATH
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cmSystemTools::GetPath(paths);
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this->AddPaths(paths);
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}
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void cmFindBase::AddCMakeSystemVariables()
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{
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std::string var = "CMAKE_SYSTEM_";
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var += this->CMakePathName;
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var += "_PATH";
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std::vector<std::string> paths;
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if(const char* prefixPath =
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this->Makefile->GetDefinition("CMAKE_SYSTEM_PREFIX_PATH"))
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{
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std::vector<std::string> prefixPaths;
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cmSystemTools::ExpandListArgument(prefixPath, prefixPaths);
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this->AddFindPrefix(paths, prefixPaths);
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}
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if(const char* path = this->Makefile->GetDefinition(var.c_str()))
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{
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cmSystemTools::ExpandListArgument(path, paths);
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}
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this->AddPaths(paths);
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}
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void cmFindBase::ExpandRegistryAndCleanPath(std::vector<std::string>& paths)
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{
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// We should view the registry as the target application would view
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// it.
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cmSystemTools::KeyWOW64 view = cmSystemTools::KeyWOW64_32;
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cmSystemTools::KeyWOW64 other_view = cmSystemTools::KeyWOW64_64;
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if(const char* psize =
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this->Makefile->GetDefinition("CMAKE_SIZEOF_VOID_P"))
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{
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if(atoi(psize) == 8)
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{
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view = cmSystemTools::KeyWOW64_64;
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other_view = cmSystemTools::KeyWOW64_32;
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}
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}
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std::vector<std::string> finalPath;
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std::vector<std::string>::iterator i;
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// glob and expand registry stuff from paths and put
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// into finalPath
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for(i = paths.begin();
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i != paths.end(); ++i)
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{
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std::string expanded = *i;
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cmSystemTools::ExpandRegistryValues(expanded, view);
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cmSystemTools::GlobDirs(expanded.c_str(), finalPath);
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if(expanded != *i && this->CMakePathName == "PROGRAM")
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{
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// Executables can be either 32-bit or 64-bit.
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expanded = *i;
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cmSystemTools::ExpandRegistryValues(expanded, other_view);
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cmSystemTools::GlobDirs(expanded.c_str(), finalPath);
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}
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}
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// clear the path
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paths.clear();
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// convert all paths to unix slashes and add search path suffixes
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// if there are any
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for(i = finalPath.begin();
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i != finalPath.end(); ++i)
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{
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cmSystemTools::ConvertToUnixSlashes(*i);
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// copy each finalPath combined with SearchPathSuffixes
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// to the SearchPaths ivar
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for(std::vector<std::string>::iterator j =
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this->SearchPathSuffixes.begin();
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j != this->SearchPathSuffixes.end(); ++j)
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{
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// if *i is only / then do not add a //
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// this will get incorrectly considered a network
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// path on windows and cause huge delays.
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std::string p = *i;
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if(p.size() && p[p.size()-1] != '/')
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{
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p += std::string("/");
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|
}
|
|
p += *j;
|
|
// add to all paths because the search path may be modified
|
|
// later with lib being replaced for lib64 which may exist
|
|
paths.push_back(p);
|
|
}
|
|
}
|
|
// now put the path without the path suffixes in the SearchPaths
|
|
for(i = finalPath.begin();
|
|
i != finalPath.end(); ++i)
|
|
{
|
|
// put all search paths in because it may later be replaced
|
|
// by lib64 stuff fixes bug 4009
|
|
paths.push_back(*i);
|
|
}
|
|
}
|
|
|
|
void cmFindBase::PrintFindStuff()
|
|
{
|
|
std::cerr << "SearchFrameworkLast: " << this->SearchFrameworkLast << "\n";
|
|
std::cerr << "SearchFrameworkOnly: " << this->SearchFrameworkOnly << "\n";
|
|
std::cerr << "SearchFrameworkFirst: " << this->SearchFrameworkFirst << "\n";
|
|
std::cerr << "SearchAppBundleLast: " << this->SearchAppBundleLast << "\n";
|
|
std::cerr << "SearchAppBundleOnly: " << this->SearchAppBundleOnly << "\n";
|
|
std::cerr << "SearchAppBundleFirst: " << this->SearchAppBundleFirst << "\n";
|
|
std::cerr << "VariableName " << this->VariableName << "\n";
|
|
std::cerr << "VariableDocumentation "
|
|
<< this->VariableDocumentation << "\n";
|
|
std::cerr << "NoDefaultPath " << this->NoDefaultPath << "\n";
|
|
std::cerr << "NoCMakeEnvironmentPath "
|
|
<< this->NoCMakeEnvironmentPath << "\n";
|
|
std::cerr << "NoCMakePath " << this->NoCMakePath << "\n";
|
|
std::cerr << "NoSystemEnvironmentPath "
|
|
<< this->NoSystemEnvironmentPath << "\n";
|
|
std::cerr << "NoCMakeSystemPath " << this->NoCMakeSystemPath << "\n";
|
|
std::cerr << "EnvironmentPath " << this->EnvironmentPath << "\n";
|
|
std::cerr << "CMakePathName " << this->CMakePathName << "\n";
|
|
std::cerr << "Names ";
|
|
for(unsigned int i =0; i < this->Names.size(); ++i)
|
|
{
|
|
std::cerr << this->Names[i] << " ";
|
|
}
|
|
std::cerr << "\n";
|
|
std::cerr << "\n";
|
|
std::cerr << "SearchPathSuffixes ";
|
|
for(unsigned int i =0; i < this->SearchPathSuffixes.size(); ++i)
|
|
{
|
|
std::cerr << this->SearchPathSuffixes[i] << "\n";
|
|
}
|
|
std::cerr << "\n";
|
|
std::cerr << "SearchPaths\n";
|
|
for(unsigned int i =0; i < this->SearchPaths.size(); ++i)
|
|
{
|
|
std::cerr << "[" << this->SearchPaths[i] << "]\n";
|
|
}
|
|
}
|
|
|
|
bool cmFindBase::CheckForVariableInCache()
|
|
{
|
|
if(const char* cacheValue =
|
|
this->Makefile->GetDefinition(this->VariableName.c_str()))
|
|
{
|
|
cmCacheManager::CacheIterator it =
|
|
this->Makefile->GetCacheManager()->
|
|
GetCacheIterator(this->VariableName.c_str());
|
|
bool found = !cmSystemTools::IsNOTFOUND(cacheValue);
|
|
bool cached = !it.IsAtEnd();
|
|
if(found)
|
|
{
|
|
// If the user specifies the entry on the command line without a
|
|
// type we should add the type and docstring but keep the
|
|
// original value. Tell the subclass implementations to do
|
|
// this.
|
|
if(cached && it.GetType() == cmCacheManager::UNINITIALIZED)
|
|
{
|
|
this->AlreadyInCacheWithoutMetaInfo = true;
|
|
}
|
|
return true;
|
|
}
|
|
else if(cached)
|
|
{
|
|
const char* hs = it.GetProperty("HELPSTRING");
|
|
this->VariableDocumentation = hs?hs:"(none)";
|
|
}
|
|
}
|
|
return false;
|
|
}
|