627 lines
19 KiB
C++
627 lines
19 KiB
C++
/*=========================================================================
|
|
|
|
Program: CMake - Cross-Platform Makefile Generator
|
|
Module: $RCSfile$
|
|
Language: C++
|
|
Date: $Date$
|
|
Version: $Revision$
|
|
|
|
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
|
|
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even
|
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
PURPOSE. See the above copyright notices for more information.
|
|
|
|
=========================================================================*/
|
|
#include "cmFindBase.h"
|
|
|
|
cmFindBase::cmFindBase()
|
|
{
|
|
cmSystemTools::ReplaceString(this->GenericDocumentationPathsOrder,
|
|
"FIND_ARGS_XXX", "<VAR> NAMES name");
|
|
this->AlreadyInCache = false;
|
|
this->AlreadyInCacheWithoutMetaInfo = false;
|
|
this->GenericDocumentation =
|
|
" FIND_XXX(<VAR> name1 [path1 path2 ...])\n"
|
|
"This is the short-hand signature for the command that "
|
|
"is sufficient in many cases. It is the same "
|
|
"as FIND_XXX(<VAR> name1 [PATHS path1 path2 ...])\n"
|
|
" FIND_XXX(\n"
|
|
" <VAR>\n"
|
|
" name | NAMES name1 [name2 ...]\n"
|
|
" [PATHS path1 [path2 ... ENV var]]\n"
|
|
" [PATH_SUFFIXES suffix1 [suffix2 ...]]\n"
|
|
" [DOC \"cache documentation string\"]\n"
|
|
" [NO_DEFAULT_PATH]\n"
|
|
" [NO_CMAKE_ENVIRONMENT_PATH]\n"
|
|
" [NO_CMAKE_PATH]\n"
|
|
" [NO_SYSTEM_ENVIRONMENT_PATH]\n"
|
|
" [NO_CMAKE_SYSTEM_PATH]\n"
|
|
" [CMAKE_FIND_ROOT_PATH_BOTH |\n"
|
|
" ONLY_CMAKE_FIND_ROOT_PATH |\n"
|
|
" NO_CMAKE_FIND_ROOT_PATH]\n"
|
|
" )\n"
|
|
""
|
|
"This command is used to find a SEARCH_XXX_DESC. "
|
|
"A cache entry named by <VAR> is created to store the result "
|
|
"of this command. "
|
|
"If the SEARCH_XXX is found the result is stored in the variable "
|
|
"and the search will not be repeated unless the variable is cleared. "
|
|
"If nothing is found, the result will be "
|
|
"<VAR>-NOTFOUND, and the search will be attempted again the "
|
|
"next time FIND_XXX is invoked with the same variable. "
|
|
"The name of the SEARCH_XXX that "
|
|
"is searched for is specified by the names listed "
|
|
"after the NAMES argument. Additional search locations "
|
|
"can be specified after the PATHS argument. If ENV var is "
|
|
"found in the PATHS section the environment variable var "
|
|
"will be read and converted from a system environment variable to "
|
|
"a cmake style list of paths. For example ENV PATH would be a way "
|
|
"to list the system path variable. The argument "
|
|
"after DOC will be used for the documentation string in "
|
|
"the cache. PATH_SUFFIXES can be used to give sub directories "
|
|
"that will be appended to the search paths.\n"
|
|
"If NO_DEFAULT_PATH is specified, then no additional paths are "
|
|
"added to the search. "
|
|
"If NO_DEFAULT_PATH is not specified, the search process is as follows:\n"
|
|
"1. Search cmake specific environment variables. This "
|
|
"can be skipped if NO_CMAKE_ENVIRONMENT_PATH is passed.\n"
|
|
""
|
|
" <prefix>/XXX_SUBDIR for each <prefix> in CMAKE_PREFIX_PATH\n"
|
|
" CMAKE_XXX_PATH\n"
|
|
" CMAKE_XXX_MAC_PATH\n"
|
|
"2. Search cmake variables with the same names as "
|
|
"the cmake specific environment variables. These "
|
|
"are intended to be used on the command line with a "
|
|
"-DVAR=value. This can be skipped if NO_CMAKE_PATH "
|
|
"is passed.\n"
|
|
""
|
|
" <prefix>/XXX_SUBDIR for each <prefix> in CMAKE_PREFIX_PATH\n"
|
|
" CMAKE_XXX_PATH\n"
|
|
" CMAKE_XXX_MAC_PATH\n"
|
|
"3. Search the standard system environment variables. "
|
|
"This can be skipped if NO_SYSTEM_ENVIRONMENT_PATH is an argument.\n"
|
|
" PATH\n"
|
|
" XXX_SYSTEM\n" // replace with "", LIB, or INCLUDE
|
|
"4. Search cmake variables defined in the Platform files "
|
|
"for the current system. This can be skipped if NO_CMAKE_SYSTEM_PATH "
|
|
"is passed.\n"
|
|
" <prefix>/XXX_SUBDIR for each <prefix> in CMAKE_SYSTEM_PREFIX_PATH\n"
|
|
" CMAKE_SYSTEM_XXX_PATH\n"
|
|
" CMAKE_SYSTEM_XXX_MAC_PATH\n"
|
|
"5. Search the paths specified after PATHS or in the short-hand version "
|
|
"of the command.\n"
|
|
;
|
|
this->GenericDocumentation += this->GenericDocumentationMacPolicy;
|
|
this->GenericDocumentation += this->GenericDocumentationRootPath;
|
|
this->GenericDocumentation += this->GenericDocumentationPathsOrder;
|
|
}
|
|
|
|
bool cmFindBase::ParseArguments(std::vector<std::string> const& argsIn)
|
|
{
|
|
if(argsIn.size() < 2 )
|
|
{
|
|
this->SetError("called with incorrect number of arguments");
|
|
return false;
|
|
}
|
|
|
|
// CMake versions below 2.3 did not search all these extra
|
|
// locations. Preserve compatibility unless a modern argument is
|
|
// passed.
|
|
bool compatibility = this->Makefile->NeedBackwardsCompatibility(2,3);
|
|
|
|
// copy argsIn into args so it can be modified,
|
|
// in the process extract the DOC "documentation"
|
|
size_t size = argsIn.size();
|
|
std::vector<std::string> args;
|
|
bool foundDoc = false;
|
|
for(unsigned int j = 0; j < size; ++j)
|
|
{
|
|
if(foundDoc || argsIn[j] != "DOC" )
|
|
{
|
|
if(argsIn[j] == "ENV")
|
|
{
|
|
if(j+1 < size)
|
|
{
|
|
j++;
|
|
cmSystemTools::GetPath(args, argsIn[j].c_str());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
args.push_back(argsIn[j]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(j+1 < size)
|
|
{
|
|
foundDoc = true;
|
|
this->VariableDocumentation = argsIn[j+1];
|
|
j++;
|
|
if(j >= size)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
this->VariableName = args[0];
|
|
if(this->CheckForVariableInCache())
|
|
{
|
|
this->AlreadyInCache = true;
|
|
return true;
|
|
}
|
|
this->AlreadyInCache = false;
|
|
|
|
// Find the current root path mode.
|
|
this->SelectDefaultRootPathMode();
|
|
|
|
// Find the current bundle/framework search policy.
|
|
this->SelectDefaultMacMode();
|
|
|
|
std::vector<std::string> userPaths;
|
|
std::string doc;
|
|
bool doingNames = true; // assume it starts with a name
|
|
bool doingPaths = false;
|
|
bool doingPathSuf = false;
|
|
bool newStyle = false;
|
|
|
|
for (unsigned int j = 1; j < args.size(); ++j)
|
|
{
|
|
if(args[j] == "NAMES")
|
|
{
|
|
doingNames = true;
|
|
newStyle = true;
|
|
doingPathSuf = false;
|
|
doingPaths = false;
|
|
}
|
|
else if (args[j] == "PATHS")
|
|
{
|
|
doingPaths = true;
|
|
newStyle = true;
|
|
doingNames = false;
|
|
doingPathSuf = false;
|
|
}
|
|
else if (args[j] == "PATH_SUFFIXES")
|
|
{
|
|
compatibility = false;
|
|
doingPathSuf = true;
|
|
newStyle = true;
|
|
doingNames = false;
|
|
doingPaths = false;
|
|
}
|
|
else if (args[j] == "NO_SYSTEM_PATH")
|
|
{
|
|
doingPaths = false;
|
|
doingPathSuf = false;
|
|
doingNames = false;
|
|
this->NoDefaultPath = true;
|
|
}
|
|
else if (this->CheckCommonArgument(args[j]))
|
|
{
|
|
compatibility = false;
|
|
doingPaths = false;
|
|
doingPathSuf = false;
|
|
doingNames = false;
|
|
}
|
|
else
|
|
{
|
|
if(doingNames)
|
|
{
|
|
this->Names.push_back(args[j]);
|
|
}
|
|
else if(doingPaths)
|
|
{
|
|
userPaths.push_back(args[j]);
|
|
}
|
|
else if(doingPathSuf)
|
|
{
|
|
this->AddPathSuffix(args[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now that arguments have been parsed check the compatibility
|
|
// setting. If we need to be compatible with CMake 2.2 and earlier
|
|
// do not add the CMake system paths. It is safe to add the CMake
|
|
// environment paths and system environment paths because that
|
|
// existed in 2.2. It is safe to add the CMake user variable paths
|
|
// because the user or project has explicitly set them.
|
|
if(compatibility)
|
|
{
|
|
this->NoCMakeSystemPath = true;
|
|
}
|
|
|
|
if(this->VariableDocumentation.size() == 0)
|
|
{
|
|
this->VariableDocumentation = "Where can ";
|
|
if(this->Names.size() == 0)
|
|
{
|
|
this->VariableDocumentation += "the (unknown) library be found";
|
|
}
|
|
else if(this->Names.size() == 1)
|
|
{
|
|
this->VariableDocumentation += "the "
|
|
+ this->Names[0] + " library be found";
|
|
}
|
|
else
|
|
{
|
|
this->VariableDocumentation += "one of the " + this->Names[0];
|
|
for (unsigned int j = 1; j < this->Names.size() - 1; ++j)
|
|
{
|
|
this->VariableDocumentation += ", " + this->Names[j];
|
|
}
|
|
this->VariableDocumentation += " or "
|
|
+ this->Names[this->Names.size() - 1] + " libraries be found";
|
|
}
|
|
}
|
|
|
|
// look for old style
|
|
// FIND_*(VAR name path1 path2 ...)
|
|
if(!newStyle)
|
|
{
|
|
this->Names.clear(); // clear out any values in Names
|
|
this->Names.push_back(args[1]);
|
|
for(unsigned int j = 2; j < args.size(); ++j)
|
|
{
|
|
userPaths.push_back(args[j]);
|
|
}
|
|
}
|
|
this->ExpandPaths(userPaths);
|
|
|
|
// Handle search root stuff.
|
|
this->RerootPaths(this->SearchPaths);
|
|
return true;
|
|
}
|
|
|
|
void cmFindBase::ExpandPaths(std::vector<std::string> userPaths)
|
|
{
|
|
// if NO Default paths was not specified add the
|
|
// standard search paths.
|
|
if(!this->NoDefaultPath)
|
|
{
|
|
if(this->SearchFrameworkFirst || this->SearchFrameworkOnly)
|
|
{
|
|
this->AddFrameWorkPaths();
|
|
}
|
|
if(this->SearchAppBundleFirst || this->SearchAppBundleOnly)
|
|
{
|
|
this->AddAppBundlePaths();
|
|
}
|
|
if(!this->NoCMakeEnvironmentPath &&
|
|
!(this->SearchFrameworkOnly || this->SearchAppBundleOnly))
|
|
{
|
|
// Add CMAKE_*_PATH environment variables
|
|
this->AddEnvironmentVariables();
|
|
}
|
|
if(!this->NoCMakePath &&
|
|
!(this->SearchFrameworkOnly || this->SearchAppBundleOnly))
|
|
{
|
|
// Add CMake varibles of the same name as the previous environment
|
|
// varibles CMAKE_*_PATH to be used most of the time with -D
|
|
// command line options
|
|
this->AddCMakeVariables();
|
|
}
|
|
if(!this->NoSystemEnvironmentPath &&
|
|
!(this->SearchFrameworkOnly || this->SearchAppBundleOnly))
|
|
{
|
|
// add System environment PATH and (LIB or INCLUDE)
|
|
this->AddSystemEnvironmentVariables();
|
|
}
|
|
if(!this->NoCMakeSystemPath &&
|
|
!(this->SearchFrameworkOnly || this->SearchAppBundleOnly))
|
|
{
|
|
// Add CMAKE_SYSTEM_*_PATH variables which are defined in platform files
|
|
this->AddCMakeSystemVariables();
|
|
}
|
|
if(this->SearchAppBundleLast)
|
|
{
|
|
this->AddAppBundlePaths();
|
|
}
|
|
if(this->SearchFrameworkLast)
|
|
{
|
|
this->AddFrameWorkPaths();
|
|
}
|
|
}
|
|
std::vector<std::string> paths;
|
|
// add the paths specified in the FIND_* call
|
|
for(unsigned int i =0; i < userPaths.size(); ++i)
|
|
{
|
|
paths.push_back(userPaths[i]);
|
|
}
|
|
this->AddPaths(paths);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmFindBase::AddEnvironmentVariables()
|
|
{
|
|
std::vector<std::string> paths;
|
|
|
|
std::vector<std::string> prefixPaths;
|
|
cmSystemTools::GetPath(prefixPaths, "CMAKE_PREFIX_PATH");
|
|
this->AddFindPrefix(paths, prefixPaths);
|
|
|
|
std::string var = "CMAKE_";
|
|
var += this->CMakePathName;
|
|
var += "_PATH";
|
|
cmSystemTools::GetPath(paths, var.c_str());
|
|
this->AddPaths(paths);
|
|
}
|
|
|
|
void cmFindBase::AddFindPrefix(std::vector<std::string>& dest,
|
|
const std::vector<std::string>& src)
|
|
{
|
|
// default for programs
|
|
std::string subdir = "bin";
|
|
|
|
if (this->CMakePathName == "INCLUDE")
|
|
{
|
|
subdir = "include";
|
|
}
|
|
else if (this->CMakePathName == "LIBRARY")
|
|
{
|
|
subdir = "lib";
|
|
}
|
|
else if (this->CMakePathName == "FRAMEWORK")
|
|
{
|
|
subdir = ""; // ? what to do for frameworks ?
|
|
}
|
|
|
|
for (std::vector<std::string>::const_iterator it = src.begin();
|
|
it != src.end();
|
|
++it)
|
|
{
|
|
std::string dir = it->c_str();
|
|
if(!subdir.empty() && !dir.empty() && dir[dir.size()-1] != '/')
|
|
{
|
|
dir += "/";
|
|
}
|
|
std::string add = dir + subdir;
|
|
if(add != "/")
|
|
{
|
|
dest.push_back(add);
|
|
}
|
|
if (subdir == "bin")
|
|
{
|
|
dest.push_back(dir + "sbin");
|
|
}
|
|
if(!subdir.empty() && *it != "/")
|
|
{
|
|
dest.push_back(*it);
|
|
}
|
|
}
|
|
}
|
|
|
|
void cmFindBase::AddFrameWorkPaths()
|
|
{
|
|
std::vector<std::string> paths;
|
|
this->GetFrameworkPaths(paths);
|
|
this->AddPaths(paths);
|
|
}
|
|
|
|
void cmFindBase::AddPaths(std::vector<std::string> & paths)
|
|
{
|
|
// add suffixes and clean up paths
|
|
this->ExpandRegistryAndCleanPath(paths);
|
|
// add the paths to the search paths
|
|
this->SearchPaths.insert(this->SearchPaths.end(),
|
|
paths.begin(),
|
|
paths.end());
|
|
}
|
|
|
|
void cmFindBase::AddAppBundlePaths()
|
|
{
|
|
std::vector<std::string> paths;
|
|
this->GetAppBundlePaths(paths);
|
|
this->AddPaths(paths);
|
|
}
|
|
|
|
void cmFindBase::AddCMakeVariables()
|
|
{
|
|
std::string var = "CMAKE_";
|
|
var += this->CMakePathName;
|
|
var += "_PATH";
|
|
std::vector<std::string> paths;
|
|
|
|
if(const char* prefixPath =
|
|
this->Makefile->GetDefinition("CMAKE_PREFIX_PATH"))
|
|
{
|
|
std::vector<std::string> prefixPaths;
|
|
cmSystemTools::ExpandListArgument(prefixPath, prefixPaths);
|
|
this->AddFindPrefix(paths, prefixPaths);
|
|
}
|
|
|
|
if(const char* path = this->Makefile->GetDefinition(var.c_str()))
|
|
{
|
|
cmSystemTools::ExpandListArgument(path, paths);
|
|
}
|
|
this->AddPaths(paths);
|
|
}
|
|
|
|
void cmFindBase::AddSystemEnvironmentVariables()
|
|
{
|
|
// Add LIB or INCLUDE
|
|
std::vector<std::string> paths;
|
|
if(this->EnvironmentPath.size())
|
|
{
|
|
cmSystemTools::GetPath(paths, this->EnvironmentPath.c_str());
|
|
}
|
|
// Add PATH
|
|
cmSystemTools::GetPath(paths);
|
|
this->AddPaths(paths);
|
|
}
|
|
|
|
void cmFindBase::AddCMakeSystemVariables()
|
|
{
|
|
std::string var = "CMAKE_SYSTEM_";
|
|
var += this->CMakePathName;
|
|
var += "_PATH";
|
|
std::vector<std::string> paths;
|
|
if(const char* prefixPath =
|
|
this->Makefile->GetDefinition("CMAKE_SYSTEM_PREFIX_PATH"))
|
|
{
|
|
std::vector<std::string> prefixPaths;
|
|
cmSystemTools::ExpandListArgument(prefixPath, prefixPaths);
|
|
this->AddFindPrefix(paths, prefixPaths);
|
|
}
|
|
if(const char* path = this->Makefile->GetDefinition(var.c_str()))
|
|
{
|
|
cmSystemTools::ExpandListArgument(path, paths);
|
|
}
|
|
this->AddPaths(paths);
|
|
}
|
|
|
|
void cmFindBase::ExpandRegistryAndCleanPath(std::vector<std::string>& paths)
|
|
{
|
|
// We should view the registry as the target application would view
|
|
// it.
|
|
cmSystemTools::KeyWOW64 view = cmSystemTools::KeyWOW64_Default;
|
|
cmSystemTools::KeyWOW64 other_view = cmSystemTools::KeyWOW64_Default;
|
|
{
|
|
if(const char* psize =
|
|
this->Makefile->GetDefinition("CMAKE_SIZEOF_VOID_P"))
|
|
{
|
|
switch(atoi(psize))
|
|
{
|
|
case 4:
|
|
view = cmSystemTools::KeyWOW64_32;
|
|
other_view = cmSystemTools::KeyWOW64_64;
|
|
break;
|
|
case 8:
|
|
view = cmSystemTools::KeyWOW64_64;
|
|
other_view = cmSystemTools::KeyWOW64_32;
|
|
break;
|
|
default: break;
|
|
}
|
|
}
|
|
}
|
|
std::vector<std::string> finalPath;
|
|
std::vector<std::string>::iterator i;
|
|
// glob and expand registry stuff from paths and put
|
|
// into finalPath
|
|
for(i = paths.begin();
|
|
i != paths.end(); ++i)
|
|
{
|
|
std::string expanded = *i;
|
|
cmSystemTools::ExpandRegistryValues(expanded, view);
|
|
cmSystemTools::GlobDirs(expanded.c_str(), finalPath);
|
|
if(view != other_view && expanded != *i &&
|
|
this->CMakePathName == "PROGRAM")
|
|
{
|
|
// Executables can be either 32-bit or 64-bit.
|
|
expanded = *i;
|
|
cmSystemTools::ExpandRegistryValues(expanded, other_view);
|
|
cmSystemTools::GlobDirs(expanded.c_str(), finalPath);
|
|
}
|
|
}
|
|
// clear the path
|
|
paths.clear();
|
|
// convert all paths to unix slashes and add search path suffixes
|
|
// if there are any
|
|
for(i = finalPath.begin();
|
|
i != finalPath.end(); ++i)
|
|
{
|
|
cmSystemTools::ConvertToUnixSlashes(*i);
|
|
// copy each finalPath combined with SearchPathSuffixes
|
|
// to the SearchPaths ivar
|
|
for(std::vector<std::string>::iterator j =
|
|
this->SearchPathSuffixes.begin();
|
|
j != this->SearchPathSuffixes.end(); ++j)
|
|
{
|
|
// 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 = *i;
|
|
if(p.size() && p[p.size()-1] != '/')
|
|
{
|
|
p += std::string("/");
|
|
}
|
|
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;
|
|
}
|