CMake/Source/cmUtilitySourceCommand.cxx

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2009-10-02 01:21:28 +04:00
/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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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(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 =
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this->Makefile->GetDefinition(cacheEntry.c_str());
// 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// CMAKE_CFG_INTDIR setting then the value is out of date.
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const char* intDir =
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
{
haveCacheValue = (cacheValue &&
(strstr(cacheValue, "(IntDir)") == 0 ||
(intDir && strcmp(intDir, "$(IntDir)") == 0)) &&
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(this->Makefile->GetCacheMajorVersion() != 0 &&
this->Makefile->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++;
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std::string utilitySource = this->Makefile->GetCurrentDirectory();
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.
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std::string cmakeCFGout =
this->Makefile->GetRequiredDefinition("CMAKE_CFG_INTDIR");
std::string utilityDirectory = this->Makefile->GetCurrentOutputDirectory();
std::string exePath;
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if (this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH"))
{
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exePath = this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH");
}
if(exePath.size())
{
utilityDirectory = exePath;
}
else
{
utilityDirectory += "/"+relativeSource;
}
// Construct the cache entry for the executable's location.
std::string utilityExecutable =
utilityDirectory+"/"+cmakeCFGout+"/"
ENH: merge CMake-CrossCompileBasic to HEAD -add a RESULT_VARIABLE to INCLUDE() -add CMAKE_TOOLCHAIN_FILE for specifiying your (potentially crosscompiling) toolchain -have TRY_RUN() complain if you try to use it in crosscompiling mode (which were compiled but cannot run on this system) -use CMAKE_EXECUTABLE_SUFFIX in TRY_RUN(), probably TRY_RUN won't be able to run the executables if they have a different suffix because they are probably crosscompiled, but nevertheless it should be able to find them -make several cmake variables presettable by the user: CMAKE_C/CXX_COMPILER, CMAKE_C/CXX_OUTPUT_EXTENSION, CMAKE_SYSTEM_NAME, CMAKE_SYSTEM_INFO_FILE -support prefix for GNU toolchains (arm-elf-gcc, arm-elf-ar, arm-elf-strip etc.) -move ranlib on OSX from the file command to a command in executed in cmake_install.cmake -add support for stripping during install in cmake_install.cmake -split out cl.cmake from Windows-cl.cmake, first (very incomplete) step to support MS crosscompiling tools -remove stdio.h from the simple C program which checks if the compiler works, since this may not exist for some embedded platforms -create a new CMakeFindBinUtils.cmake which collects the search fro ar, ranlib, strip, ld, link, install_name_tool and other tools like these -add support for CMAKE_FIND_ROOT_PATH for all FIND_XXX commands, which is a list of directories which will be prepended to all search directories, right now as a cmake variable, turning it into a global cmake property may need some more work -remove cmTestTestHandler::TryExecutable(), it's unused -split cmFileCommand::HandleInstall() into slightly smaller functions Alex
2007-05-17 21:20:44 +04:00
+utilityName+this->Makefile->GetDefinition("CMAKE_EXECUTABLE_SUFFIX");
// make sure we remove any /./ in the name
cmSystemTools::ReplaceString(utilityExecutable, "/./", "/");
// Enter the value into the cache.
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this->Makefile->AddCacheDefinition(cacheEntry.c_str(),
utilityExecutable.c_str(),
"Path to an internal program.",
cmCacheManager::FILEPATH);
// add a value into the cache that maps from the
// full path to the name of the project
cmSystemTools::ConvertToUnixSlashes(utilityExecutable);
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this->Makefile->AddCacheDefinition(utilityExecutable.c_str(),
utilityName.c_str(),
"Executable to project name.",
cmCacheManager::INTERNAL);
return true;
}