CMake/Source/cmake.cxx

316 lines
9.7 KiB
C++

/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2001 Insight Consortium
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* The name of the Insight Consortium, nor the names of any consortium members,
nor of any contributors, may be used to endorse or promote products derived
from this software without specific prior written permission.
* Modified source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/
#include "cmake.h"
#include "cmCacheManager.h"
// include the generator
#if defined(_WIN32) && !defined(__CYGWIN__)
#include "cmMSProjectGenerator.h"
#else
#include "cmUnixMakefileGenerator.h"
#endif
void cmake::Usage(const char* program)
{
std::cerr << "cmake version " << cmMakefile::GetMajorVersion()
<< "." << cmMakefile::GetMinorVersion() << "\n";
std::cerr << "Usage: " << program << " srcdir \n"
<< "Where cmake is run from the directory where you want the object files written\n";
}
// Parse the args
void cmake::SetArgs(cmMakefile& builder, const std::vector<std::string>& args)
{
m_Local = false;
// watch for cmake and cmake srcdir invocations
if (args.size() <= 2)
{
builder.SetHomeOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
builder.SetStartOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
if (args.size() == 2)
{
builder.SetHomeDirectory
(cmSystemTools::CollapseFullPath(args[1].c_str()).c_str());
builder.SetStartDirectory
(cmSystemTools::CollapseFullPath(args[1].c_str()).c_str());
}
else
{
builder.SetHomeDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
builder.SetStartDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
}
}
for(unsigned int i=1; i < args.size(); ++i)
{
std::string arg = args[i];
if(arg.find("-H",0) == 0)
{
std::string path = arg.substr(2);
builder.SetHomeDirectory(path.c_str());
}
if(arg.find("-S",0) == 0)
{
m_Local = true;
std::string path = arg.substr(2);
builder.SetStartDirectory(path.c_str());
}
if(arg.find("-O",0) == 0)
{
std::string path = arg.substr(2);
builder.SetStartOutputDirectory(path.c_str());
}
if(arg.find("-B",0) == 0)
{
std::string path = arg.substr(2);
builder.SetHomeOutputDirectory(path.c_str());
}
if(arg.find("-D",0) == 0)
{
std::string value = arg.substr(2);
builder.AddDefinition(value.c_str(), true);
}
if(arg.find("-V",0) == 0)
{
m_Verbose = true;
}
}
if (!m_Local)
{
builder.SetStartDirectory(builder.GetHomeDirectory());
builder.SetStartOutputDirectory(builder.GetHomeOutputDirectory());
}
}
// at the end of this CMAKE_ROOT and CMAKE_COMMAND should be added to the cache
void cmake::AddCMakePaths(const std::vector<std::string>& args)
{
// Find our own executable.
std::string cMakeSelf = args[0];
cmSystemTools::ConvertToUnixSlashes(cMakeSelf);
cMakeSelf = cmSystemTools::FindProgram(cMakeSelf.c_str());
if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
{
#ifdef CMAKE_BUILD_DIR
cMakeSelf = CMAKE_BUILD_DIR;
cMakeSelf += "/Source/cmake";
#endif
}
#ifdef CMAKE_PREFIX
if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
{
cMakeSelf = CMAKE_PREFIX "/bin/cmake";
}
#endif
if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
{
cmSystemTools::Error("CMAKE can not find the command line program cmake. "
"Attempted path: ", cMakeSelf.c_str());
return;
}
// Save the value in the cache
cmCacheManager::GetInstance()->AddCacheEntry
("CMAKE_COMMAND",
cmSystemTools::EscapeSpaces(cMakeSelf.c_str()).c_str(),
"Path to CMake executable.",
cmCacheManager::INTERNAL);
// do CMAKE_ROOT, look for the environment variable first
std::string cMakeRoot;
std::string modules;
if (getenv("CMAKE_ROOT"))
{
cMakeRoot = getenv("CMAKE_ROOT");
modules = cMakeRoot + "/Modules/FindVTK.cmake";
}
if(!cmSystemTools::FileExists(modules.c_str()))
{
// next try exe/..
cMakeRoot = cmSystemTools::GetProgramPath(cMakeSelf.c_str());
std::string::size_type slashPos = cMakeRoot.rfind("/");
if(slashPos != std::string::npos)
{
cMakeRoot = cMakeRoot.substr(0, slashPos);
}
// is there no Modules direcory there?
modules = cMakeRoot + "/Modules/FindVTK.cmake";
}
if (!cmSystemTools::FileExists(modules.c_str()))
{
// try exe/../share/cmake
cMakeRoot += "/share/CMake";
modules = cMakeRoot + "/Modules/FindVTK.cmake";
}
#ifdef CMAKE_ROOT_DIR
if (!cmSystemTools::FileExists(modules.c_str()))
{
// try compiled in root directory
cMakeRoot = CMAKE_ROOT_DIR;
modules = cMakeRoot + "/Modules/FindVTK.cmake";
}
#endif
#ifdef CMAKE_PREFIX
if (!cmSystemTools::FileExists(modules.c_str()))
{
// try compiled in install prefix
cMakeRoot = CMAKE_PREFIX "/share/CMake";
modules = cMakeRoot + "/Modules/FindVTK.cmake";
}
#endif
if (!cmSystemTools::FileExists(modules.c_str()))
{
// try
cMakeRoot = cmSystemTools::GetProgramPath(cMakeSelf.c_str());
cMakeRoot += "/share/CMake";
modules = cMakeRoot + "/Modules/FindVTK.cmake";
}
if (!cmSystemTools::FileExists(modules.c_str()))
{
// couldn't find modules
cmSystemTools::Error("Could not find CMAKE_ROOT !!!\n",
"Modules directory not in directory:\n",
modules.c_str());
return;
}
cmCacheManager::GetInstance()->AddCacheEntry
("CMAKE_ROOT", cMakeRoot.c_str(),
"Path to CMake installation.", cmCacheManager::INTERNAL);
}
int cmake::Generate(const std::vector<std::string>& args)
{
if(args.size() == 1 && !cmSystemTools::FileExists("CMakeLists.txt"))
{
this->Usage(args[0].c_str());
return -1;
}
// look for obvious request for help
for(unsigned int i=1; i < args.size(); ++i)
{
std::string arg = args[i];
if(arg.find("-help",0) != std::string::npos ||
arg.find("--help",0) != std::string::npos ||
arg.find("/?",0) != std::string::npos ||
arg.find("-usage",0) != std::string::npos)
{
this->Usage(args[0].c_str());
return -1;
}
}
// Create a makefile
cmMakefile mf;
// extract the directory arguments
cmake::SetArgs(mf, args);
// create the generator
#if defined(_WIN32) && !defined(__CYGWIN__)
cmMSProjectGenerator* gen = new cmMSProjectGenerator;
#else
cmUnixMakefileGenerator* gen = new cmUnixMakefileGenerator;
#endif
gen->SetLocal(m_Local);
// Read and parse the input makefile
mf.SetMakefileGenerator(gen);
mf.MakeStartDirectoriesCurrent();
cmCacheManager::GetInstance()->LoadCache(&mf);
// setup CMAKE_ROOT and CMAKE_COMMAND
this->AddCMakePaths(args);
// compute system info
gen->ComputeSystemInfo();
// Transfer the cache into the makefile's definitions.
cmCacheManager::GetInstance()->DefineCache(&mf);
std::string lf = mf.GetStartDirectory();
lf += "/CMakeLists.txt";
if(!mf.ReadListFile(lf.c_str()))
{
this->Usage(args[0].c_str());
return -1;
}
mf.GenerateMakefile();
// Before saving the cache
// if the project did not define one of the entries below, add them now
// so users can edit the values in the cache:
// LIBRARY_OUTPUT_PATH
// EXECUTABLE_OUTPUT_PATH
if(!cmCacheManager::GetInstance()->GetCacheValue("LIBRARY_OUTPUT_PATH"))
{
cmCacheManager::GetInstance()->AddCacheEntry("LIBRARY_OUTPUT_PATH", "",
"Single output directory for building all libraries.",
cmCacheManager::PATH);
}
if(!cmCacheManager::GetInstance()->GetCacheValue("EXECUTABLE_OUTPUT_PATH"))
{
cmCacheManager::GetInstance()->AddCacheEntry("EXECUTABLE_OUTPUT_PATH", "",
"Single output directory for building all executables.",
cmCacheManager::PATH);
}
cmCacheManager::GetInstance()->SaveCache(&mf);
if(m_Verbose)
{
cmCacheManager::GetInstance()->PrintCache(std::cout);
}
if(cmSystemTools::GetErrorOccuredFlag())
{
return -1;
}
return 0;
}