CMake/Source/cmakemain.cxx
2005-12-14 13:51:08 -05:00

296 lines
9.3 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 "cmakewizard.h"
#include "cmake.h"
#include "cmCacheManager.h"
#include "cmDynamicLoader.h"
#include "cmListFileCache.h"
#ifdef CMAKE_BUILD_WITH_CMAKE
#include "cmDocumentation.h"
//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationName[] =
{
{0,
" cmake - Cross-Platform Makefile Generator.", 0},
{0,0,0}
};
//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationUsage[] =
{
{0,
" cmake [options] <path-to-source>\n"
" cmake [options] <path-to-existing-build>", 0},
{0,0,0}
};
//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationDescription[] =
{
{0,
"The \"cmake\" executable is the CMake command-line interface. It may "
"be used to configure projects in scripts. Project configuration settings "
"may be specified on the command line with the -D option. The -i option "
"will cause cmake to interactively prompt for such settings.", 0},
CMAKE_STANDARD_INTRODUCTION,
{0,0,0}
};
//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationOptions[] =
{
CMAKE_STANDARD_OPTIONS_TABLE,
{"-E", "CMake command mode.",
"For true platform independence, CMake provides a list of commands "
"that can be used on all systems. Run with -E help for the usage "
"information."},
{"-i", "Run in wizard mode.",
"Wizard mode runs cmake interactively without a GUI. The user is "
"prompted to answer questions about the project configuration. "
"The answers are used to set cmake cache values."},
{"-L[A][H]", "List non-advanced cached variables.",
"List cache variables will run CMake and list all the variables from the "
"CMake cache that are not marked as INTERNAL or ADVANCED. This will "
"effectively display current CMake settings, which can be then changed "
"with -D option. Changing some of the variable may result in more "
"variables being created. If A is specified, then it will display also "
"advanced variables. If H is specified, it will also display help for "
"each variable."},
{"-N", "View mode only.",
"Only load the cache. Do not actually run configure and generate steps."},
{"-P <file>", "Process script mode.",
"Process the given cmake file as a script written in the CMake language. "
"No configure or generate step is performed and the cache is not modified."},
{"--help-command cmd [file]", "Print help for a single command and exit.",
"Full documentation specific to the given command is displayed."},
{"--help-command-list [file]", "List available listfile commands and exit.",
"The list contains all commands for which help may be obtained by using "
"the --help-command argument followed by a command name. If a file is "
"specified, the help is written into it."},
{"--help-module module [file]", "Print help for a single module and exit.",
"Full documentation specific to the given module is displayed."},
{"--help-module-list [file]", "List available modules and exit.",
"The list contains all modules for which help may be obtained by using "
"the --help-module argument followed by a module name. If a file is "
"specified, the help is written into it."},
{0,0,0}
};
//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationSeeAlso[] =
{
{0, "ccmake", 0},
{0, "ctest", 0},
{0, 0, 0}
};
//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationNOTE[] =
{
{0,
"CMake no longer configures a project when run with no arguments. "
"In order to configure the project in the current directory, run\n"
" cmake .", 0},
{0,0,0}
};
#endif
int do_cmake(int ac, char** av);
void updateProgress(const char *msg, float prog, void *cd);
int main(int ac, char** av)
{
cmSystemTools::EnableMSVCDebugHook();
int ret = do_cmake(ac, av);
#ifdef CMAKE_BUILD_WITH_CMAKE
cmDynamicLoader::FlushCache();
#endif
cmListFileCache::ClearCache();
return ret;
}
int do_cmake(int ac, char** av)
{
#ifdef CMAKE_BUILD_WITH_CMAKE
cmDocumentation doc;
#endif
int nocwd = 0;
if ( cmSystemTools::GetCurrentWorkingDirectory().size() == 0 )
{
std::cerr << "Current working directory cannot be established." << std::endl;
nocwd = 1;
}
#ifdef CMAKE_BUILD_WITH_CMAKE
if(doc.CheckOptions(ac, av) || nocwd)
{
// Construct and print requested documentation.
cmake hcm;
std::vector<cmDocumentationEntry> commands;
std::vector<cmDocumentationEntry> generators;
hcm.GetCommandDocumentation(commands);
hcm.GetGeneratorDocumentation(generators);
doc.SetName("cmake");
doc.SetNameSection(cmDocumentationName);
doc.SetUsageSection(cmDocumentationUsage);
doc.SetDescriptionSection(cmDocumentationDescription);
doc.SetGeneratorsSection(&generators[0]);
doc.SetOptionsSection(cmDocumentationOptions);
doc.SetCommandsSection(&commands[0]);
doc.SetSeeAlsoList(cmDocumentationSeeAlso);
int result = doc.PrintRequestedDocumentation(std::cout)? 0:1;
// If we were run with no arguments, but a CMakeLists.txt file
// exists, the user may have been trying to use the old behavior
// of cmake to build a project in-source. Print a message
// explaining the change to standard error and return an error
// condition in case the program is running from a script.
if((ac == 1) && cmSystemTools::FileExists("CMakeLists.txt"))
{
doc.ClearSections();
doc.AddSection("NOTE", cmDocumentationNOTE);
doc.Print(cmDocumentation::UsageForm, std::cerr);
return 1;
}
return result;
}
#else
if ( nocwd || ac == 1 )
{
std::cout << "Bootstrap CMake should not be used outside CMake build process." << std::endl;
return 0;
}
#endif
bool wiz = false;
bool command = false;
bool list_cached = false;
bool list_all_cached = false;
bool list_help = false;
bool view_only = false;
bool script_mode = false;
std::vector<std::string> args;
for(int i =0; i < ac; ++i)
{
if(strcmp(av[i], "-i") == 0)
{
wiz = true;
}
// if command has already been set, then
// do not eat the -E
else if (!command && strcmp(av[i], "-E") == 0)
{
command = true;
}
else if (strcmp(av[i], "-N") == 0)
{
view_only = true;
}
else if (strcmp(av[i], "-L") == 0)
{
list_cached = true;
}
else if (strcmp(av[i], "-LA") == 0)
{
list_all_cached = true;
}
else if (strcmp(av[i], "-LH") == 0)
{
list_cached = true;
list_help = true;
}
else if (strcmp(av[i], "-LAH") == 0)
{
list_all_cached = true;
list_help = true;
}
else if (strncmp(av[i], "-P", strlen("-P")) == 0)
{
if ( i == ac -1 )
{
cmSystemTools::Error("No script specified for argument -P");
}
script_mode = true;
args.push_back(av[i]);
i++;
args.push_back(av[i]);
}
else
{
args.push_back(av[i]);
}
}
if(command)
{
int ret = cmake::CMakeCommand(args);
return ret;
}
if (wiz)
{
cmakewizard wizard;
return wizard.RunWizard(args);
}
cmake cm;
cm.SetProgressCallback(updateProgress, 0);
cm.SetScriptMode(script_mode);
int res = cm.Run(args, view_only);
if ( list_cached || list_all_cached )
{
cmCacheManager::CacheIterator it = cm.GetCacheManager()->GetCacheIterator();
std::cout << "-- Cache values" << std::endl;
for ( it.Begin(); !it.IsAtEnd(); it.Next() )
{
cmCacheManager::CacheEntryType t = it.GetType();
if ( t != cmCacheManager::INTERNAL && t != cmCacheManager::STATIC &&
t != cmCacheManager::UNINITIALIZED )
{
bool advanced = it.PropertyExists("ADVANCED");
if ( list_all_cached || !advanced)
{
if ( list_help )
{
std::cout << "// " << it.GetProperty("HELPSTRING") << std::endl;
}
std::cout << it.GetName() << ":" << cmCacheManager::TypeToString(it.GetType())
<< "=" << it.GetValue() << std::endl;
if ( list_help )
{
std::cout << std::endl;
}
}
}
}
}
return res;
}
void updateProgress(const char *msg, float prog, void*)
{
if ( prog < 0 )
{
std::cout << "-- " << msg << std::endl;
}
//else
//{
//std::cout << "-- " << msg << " " << prog << std::endl;
//}
}