CMake/Source/cmUtilitySourceCommand.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmUtilitySourceCommand.h"
// cmUtilitySourceCommand
bool cmUtilitySourceCommand::InitialPass(std::vector<std::string> const& args,
cmExecutionStatus&)
{
if (this->Disallowed(
cmPolicies::CMP0034,
"The utility_source command should not be called; see CMP0034.")) {
return true;
}
if (args.size() < 3) {
this->SetError("called with incorrect number of arguments");
return false;
}
std::vector<std::string>::const_iterator arg = args.begin();
// The first argument is the cache entry name.
std::string cacheEntry = *arg++;
const char* cacheValue = this->Makefile->GetDefinition(cacheEntry);
// If it exists already and appears up to date then we are done. If
// the string contains "(IntDir)" but that is not the
// CMAKE_CFG_INTDIR setting then the value is out of date.
const char* intDir =
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this->Makefile->GetRequiredDefinition("CMAKE_CFG_INTDIR");
bool haveCacheValue = false;
if (this->Makefile->IsOn("CMAKE_CROSSCOMPILING")) {
haveCacheValue = (cacheValue != 0);
if (!haveCacheValue) {
std::string msg = "UTILITY_SOURCE is used in cross compiling mode for ";
msg += cacheEntry;
msg += ". If your intention is to run this executable, you need to "
"preload the cache with the full path to a version of that "
"program, which runs on this build machine.";
cmSystemTools::Message(msg.c_str(), "Warning");
}
} else {
cmState* state = this->Makefile->GetState();
haveCacheValue =
(cacheValue && (strstr(cacheValue, "(IntDir)") == 0 ||
(intDir && strcmp(intDir, "$(IntDir)") == 0)) &&
(state->GetCacheMajorVersion() != 0 &&
state->GetCacheMinorVersion() != 0));
}
if (haveCacheValue) {
return true;
}
// The second argument is the utility's executable name, which will be
// needed later.
std::string utilityName = *arg++;
// The third argument specifies the relative directory of the source
// of the utility.
std::string relativeSource = *arg++;
std::string utilitySource = this->Makefile->GetCurrentSourceDirectory();
utilitySource = utilitySource + "/" + relativeSource;
// If the directory doesn't exist, the source has not been included.
if (!cmSystemTools::FileExists(utilitySource.c_str())) {
return true;
}
// Make sure all the files exist in the source directory.
while (arg != args.end()) {
std::string file = utilitySource + "/" + *arg++;
if (!cmSystemTools::FileExists(file.c_str())) {
return true;
}
}
// The source exists.
std::string cmakeCFGout =
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this->Makefile->GetRequiredDefinition("CMAKE_CFG_INTDIR");
std::string utilityDirectory = this->Makefile->GetCurrentBinaryDirectory();
std::string exePath;
if (this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH")) {
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exePath = this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH");
}
if (!exePath.empty()) {
utilityDirectory = exePath;
} else {
utilityDirectory += "/" + relativeSource;
}
// Construct the cache entry for the executable's location.
std::string utilityExecutable = utilityDirectory + "/" + cmakeCFGout + "/" +
utilityName + this->Makefile->GetDefinition("CMAKE_EXECUTABLE_SUFFIX");
// make sure we remove any /./ in the name
cmSystemTools::ReplaceString(utilityExecutable, "/./", "/");
// Enter the value into the cache.
this->Makefile->AddCacheDefinition(cacheEntry, utilityExecutable.c_str(),
"Path to an internal program.",
cmState::FILEPATH);
// add a value into the cache that maps from the
// full path to the name of the project
cmSystemTools::ConvertToUnixSlashes(utilityExecutable);
this->Makefile->AddCacheDefinition(utilityExecutable, utilityName.c_str(),
"Executable to project name.",
cmState::INTERNAL);
return true;
}