CMake/Source/cmNMakeMakefileGenerator.cxx

722 lines
24 KiB
C++

/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Insight Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm 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 "cmNMakeMakefileGenerator.h"
#include "cmMakefile.h"
#include "cmStandardIncludes.h"
#include "cmSystemTools.h"
#include "cmSourceFile.h"
#include "cmMakeDepend.h"
#include "cmCacheManager.h"
#include "cmGeneratedFileStream.h"
#include "windows.h"
cmNMakeMakefileGenerator::cmNMakeMakefileGenerator()
{
this->SetLibraryPathOption("@CMAKE_C_LIBPATH_FLAG@"); // Use @ here
this->SetObjectFileExtension("$(CMAKE_OBJECT_FILE_SUFFIX)");
this->SetExecutableExtension("$(CMAKE_EXECUTABLE_SUFFIX)");
this->SetLibraryPrefix("");
this->SetStaticLibraryExtension("$(CMAKE_STATICLIB_SUFFIX)");
this->SetSharedLibraryExtension("$(CMAKE_SHLIB_SUFFIX)");
}
cmNMakeMakefileGenerator::~cmNMakeMakefileGenerator()
{
}
// convert to windows short paths if there are spaces
// in path
std::string cmNMakeMakefileGenerator::ShortPath(const char* path)
{
std::string ret = path;
// if there are no spaces in path, then just
// call ConvertToOutputPath
if(ret.find(' ') == std::string::npos)
{
return this->ConvertToOutputPath(path);
}
// if there are spaces then call GetShortPathName to get rid of them
char *buffer = new char[strlen(path)+1];
if(GetShortPathName(path, buffer,
static_cast<int>(strlen(path)+1)) != 0)
{
ret = buffer;
}
else
{
// if GetShortPathName failed for some reason use
// ConvertToOutputPath instead which will at least escape the spaces
ret = this->ConvertToOutputPath(path);
}
delete [] buffer;
return ret;
}
// convert a command to a short path if it has spaces
// this separates the arguments from the command and puts
// them back together
std::string cmNMakeMakefileGenerator::ShortPathCommand(const char* command)
{
if(!strchr(command, ' '))
{
return command;
}
cmRegularExpression reg("^\"([^\"]*)\"(.*)");
if(reg.find(command))
{
std::string c = reg.match(1);
cmRegularExpression removeIntDir("(.*)/\\$\\(IntDir\\)(.*)");
if(removeIntDir.find(c))
{
c = removeIntDir.match(1) + removeIntDir.match(2);
}
c = this->ShortPath(c.c_str());
std::string ret = c;
std::string args = reg.match(2);
ret += args;
return ret;
}
return command;
}
void cmNMakeMakefileGenerator::ComputeSystemInfo()
{
// now load the settings
if(!m_Makefile->GetDefinition("CMAKE_ROOT"))
{
cmSystemTools::Error(
"CMAKE_ROOT has not been defined, bad GUI or driver program");
return;
}
std::string fpath =
m_Makefile->GetDefinition("CMAKE_ROOT");
fpath += "/Templates/CMakeNMakeWindowsSystemConfig.cmake";
m_Makefile->ReadListFile(NULL,fpath.c_str());
}
void cmNMakeMakefileGenerator::OutputMakeVariables(std::ostream& fout)
{
fout << "# NMake Makefile generated by cmake\n";
const char* variables =
"# general variables used in the makefile\n"
"\n"
"# Path to cmake\n"
"MAKESILENT = /nologo\n"
"CMAKE_STANDARD_WINDOWS_LIBRARIES = @CMAKE_STANDARD_WINDOWS_LIBRARIES@\n"
"CMAKE_C_FLAGS = @CMAKE_C_FLAGS@ @BUILD_FLAGS@\n"
"CMAKE_C_LINK_EXECUTABLE_FLAG = @CMAKE_C_LINK_EXECUTABLE_FLAG@\n"
"CMAKE_CXX_FLAGS = @CMAKE_CXX_FLAGS@ @BUILD_FLAGS@\n"
"CMAKE_LINKER_FLAGS = @CMAKE_LINKER_FLAGS@ @LINKER_BUILD_FLAGS@\n"
"CMAKE_LINKER_SHARED_LIBRARY_FLAG = @CMAKE_LINKER_SHARED_LIBRARY_FLAG@\n"
"CMAKE_LIBRARY_MANAGER_FLAGS = @CMAKE_LIBRARY_MANAGER_FLAGS@\n"
"CMAKE_OBJECT_FILE_SUFFIX = @CMAKE_OBJECT_FILE_SUFFIX@\n"
"CMAKE_EXECUTABLE_SUFFIX = @CMAKE_EXECUTABLE_SUFFIX@\n"
"CMAKE_STATICLIB_SUFFIX = @CMAKE_STATICLIB_SUFFIX@\n"
"CMAKE_SHLIB_SUFFIX = @CMAKE_SHLIB_SUFFIX@\n"
"!IF \"$(OS)\" == \"Windows_NT\"\n"
"NULL=\n"
"!ELSE \n"
"NULL=nul\n"
"!ENDIF \n";
std::string buildType = "CMAKE_CXX_FLAGS_";
buildType += m_Makefile->GetDefinition("CMAKE_BUILD_TYPE");
buildType = cmSystemTools::UpperCase(buildType);
m_Makefile->AddDefinition("BUILD_FLAGS",
m_Makefile->GetDefinition(
buildType.c_str()));
buildType = "CMAKE_LINKER_FLAGS_";
buildType += m_Makefile->GetDefinition("CMAKE_BUILD_TYPE");
buildType = cmSystemTools::UpperCase(buildType);
m_Makefile->AddDefinition("LINKER_BUILD_FLAGS",
m_Makefile->GetDefinition(
buildType.c_str()));
std::string replaceVars = variables;
m_Makefile->ExpandVariablesInString(replaceVars);
fout << replaceVars.c_str();
std::string ccommand = m_Makefile->GetDefinition("CCOMMAND_COMMAND");
fout << "RM = " << this->ConvertToOutputPath(ccommand.c_str()) << " remove -f\n";
std::string ccompiler = m_Makefile->GetDefinition("CMAKE_C_COMPILER");
fout << "CMAKE_C_COMPILER = "
<< this->ConvertToOutputPath(ccompiler.c_str()) << "\n";
std::string cxxcompiler = m_Makefile->GetDefinition("CMAKE_CXX_COMPILER");
fout << "CMAKE_CXX_COMPILER = "
<< this->ConvertToOutputPath(cxxcompiler.c_str()) << "\n";
std::string linker = m_Makefile->GetDefinition("CMAKE_LINKER");
fout << "CMAKE_LINKER = " <<
this->ConvertToOutputPath(linker.c_str()) << "\n";
std::string lib_manager = m_Makefile->GetDefinition("CMAKE_LIBRARY_MANAGER");
fout << "CMAKE_LIBRARY_MANAGER = "
<< this->ConvertToOutputPath(lib_manager.c_str()) << "\n";
std::string cmakecommand = m_Makefile->GetDefinition("CMAKE_COMMAND");
fout << "CMAKE_COMMAND = "
<< this->ConvertToOutputPath(cmakecommand.c_str()) << "\n";
fout << "CMAKE_CURRENT_SOURCE = "
<< ShortPath(m_Makefile->GetStartDirectory() )
<< "\n";
fout << "CMAKE_CURRENT_BINARY = "
<< ShortPath(m_Makefile->GetStartOutputDirectory())
<< "\n";
fout << "CMAKE_SOURCE_DIR = "
<< ShortPath(m_Makefile->GetHomeDirectory()) << "\n";
fout << "CMAKE_BINARY_DIR = "
<< ShortPath(m_Makefile->GetHomeOutputDirectory() )
<< "\n";
// Output Include paths
fout << "INCLUDE_FLAGS = ";
std::vector<std::string>& includes = m_Makefile->GetIncludeDirectories();
std::vector<std::string>::iterator i;
fout << "-I" <<
this->ConvertToOutputPath(m_Makefile->GetStartDirectory()) << " ";
for(i = includes.begin(); i != includes.end(); ++i)
{
std::string include = *i;
// Don't output a -I for the standard include path "/usr/include".
// This can cause problems with certain standard library
// implementations because the wrong headers may be found first.
fout << "-I" << this->ConvertToOutputPath(i->c_str()).c_str() << " ";
}
fout << m_Makefile->GetDefineFlags();
fout << "\n\n";
}
void cmNMakeMakefileGenerator::BuildInSubDirectory(std::ostream& fout,
const char* directory,
const char* target1,
const char* target2)
{
if(target1)
{
std::string dir = this->ConvertToOutputPath(directory);
fout << "\tif not exist \"" << dir << "\\$(NULL)\""
<< " "
<< "$(MAKE) $(MAKESILENT) rebuild_cache\n"
<< "\techo Building " << target1 << " in directory " << directory << "\n"
<< "\tcd " << dir << "\n"
<< "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) " << target1 << "\n";
}
if(target2)
{
fout << "\techo Building " << target2 << " in directory " << directory << "\n";
fout << "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) " << target2 << "\n";
}
std::string currentDir = m_Makefile->GetCurrentOutputDirectory();
fout << "\tcd " << this->ConvertToOutputPath(currentDir.c_str()) << "\n\n";
}
// This needs to be overriden because nmake requires commands to be quoted
// if the are full paths to the executable????
void cmNMakeMakefileGenerator::OutputMakeRule(std::ostream& fout,
const char* comment,
const char* target,
const char* depends,
const char* command,
const char* command2,
const char* command3,
const char* command4)
{
if(!target)
{
cmSystemTools::Error("no target for OutputMakeRule");
return;
}
std::string replace;
if(comment)
{
replace = comment;
m_Makefile->ExpandVariablesInString(replace);
fout << "#---------------------------------------------------------\n";
fout << "# " << comment;
fout << "\n#\n";
}
fout << "\n";
replace = target;
m_Makefile->ExpandVariablesInString(replace);
replace = this->ConvertToOutputPath(replace.c_str());
fout << replace.c_str() << ": ";
if(depends)
{
replace = depends;
m_Makefile->ExpandVariablesInString(replace);
fout << replace.c_str();
}
fout << "\n";
if(command)
{
replace = ShortPathCommand(command);
m_Makefile->ExpandVariablesInString(replace);
if(replace[0] != '-' && replace.find("echo") != 0
&& replace.find("$(MAKE)") != 0)
{
fout << "\t" << "echo " << replace.c_str() << "\n";
}
fout << "\t" << replace.c_str() << "\n";
}
if(command2)
{
replace = ShortPathCommand(command2);
m_Makefile->ExpandVariablesInString(replace);
if(replace[0] != '-' && replace.find("echo") != 0
&& replace.find("$(MAKE)") != 0)
{
fout << "\t" << "echo " << replace.c_str() << "\n";
}
fout << "\t" << replace.c_str() << "\n";
}
if(command3)
{
replace = ShortPathCommand(command3);
m_Makefile->ExpandVariablesInString(replace);
if(replace[0] != '-' && replace.find("echo") != 0
&& replace.find("$(MAKE)") != 0)
{
fout << "\t" << "echo " << replace.c_str() << "\n";
}
fout << "\t" << replace.c_str() << "\n";
}
if(command4)
{
replace = ShortPathCommand(command4);
m_Makefile->ExpandVariablesInString(replace);
if(replace[0] != '-' && replace.find("echo") != 0
&& replace.find("$(MAKE)") != 0)
{
fout << "\t" << "echo " << replace.c_str() << "\n";
}
fout << "\t" << replace.c_str() << "\n";
}
fout << "\n";
}
void
cmNMakeMakefileGenerator::
OutputBuildObjectFromSource(std::ostream& fout,
const char* shortName,
const cmSourceFile& source,
const char* extraCompileFlags,
bool shared)
{
// Header files shouldn't have build rules.
if(source.IsAHeaderFileOnly())
return;
std::string comment = "Build ";
std::string objectFile = std::string(shortName) +
this->GetOutputExtension(source.GetSourceExtension().c_str());
comment += objectFile + " From ";
comment += source.GetFullPath();
std::string compileCommand;
std::string ext = source.GetSourceExtension();
if(ext == "c" )
{
compileCommand = "$(CMAKE_C_COMPILER) $(CMAKE_C_FLAGS) ";
compileCommand += extraCompileFlags;
if(shared)
{
compileCommand += "$(CMAKE_SHLIB_CFLAGS) ";
}
compileCommand += "$(INCLUDE_FLAGS) -c ";
compileCommand +=
this->ConvertToOutputPath(source.GetFullPath().c_str());
// Need to get the definition here because this value might have
// trailing space (since it is directly prepended to the filename)
std::string output_object_file_flag =
m_Makefile->GetDefinition("CMAKE_C_OUTPUT_OBJECT_FILE_FLAG");
m_Makefile->ExpandVariablesInString(output_object_file_flag);
compileCommand += " " + output_object_file_flag;
compileCommand += objectFile;
}
else if (ext == "rc")
{
compileCommand = "$(RC) /fo\"";
compileCommand += objectFile;
compileCommand += "\" ";
compileCommand +=
this->ConvertToOutputPath(source.GetFullPath().c_str());
}
else if (ext == "def")
{
// no rule to output for this one
return;
}
// assume c++ if not c rc or def
else
{
compileCommand = "$(CMAKE_CXX_COMPILER) $(CMAKE_CXX_FLAGS) ";
compileCommand += extraCompileFlags;
if(shared)
{
compileCommand += "$(CMAKE_SHLIB_CFLAGS) ";
}
compileCommand += "$(INCLUDE_FLAGS) -c ";
compileCommand +=
this->ConvertToOutputPath(source.GetFullPath().c_str());
// Need to get the definition here because this value might have
// trailing space (since it is directly prepended to the filename)
std::string output_object_file_flag =
m_Makefile->GetDefinition("CMAKE_C_OUTPUT_OBJECT_FILE_FLAG");
m_Makefile->ExpandVariablesInString(output_object_file_flag);
compileCommand += " " + output_object_file_flag;
compileCommand += objectFile;
}
this->OutputMakeRule(fout,
comment.c_str(),
objectFile.c_str(),
this->ConvertToOutputPath(
source.GetFullPath().c_str()).c_str(),
compileCommand.c_str());
}
void cmNMakeMakefileGenerator::OutputSharedLibraryRule(std::ostream& fout,
const char* name,
const cmTarget &t)
{
std::string target = m_LibraryOutputPath + name + m_SharedLibraryExtension;
std::string depend = "$(";
depend += this->CreateMakeVariable(name, "_SRC_OBJS");
depend += ") $(" + this->CreateMakeVariable(name, "_DEPEND_LIBS") + ")";
// Need to get the definition here because this value might have
// trailing space (since it is directly prepended to the filename)
std::string linker_output_file_flag =
m_Makefile->GetDefinition("CMAKE_LINKER_OUTPUT_FILE_FLAG");
m_Makefile->ExpandVariablesInString(linker_output_file_flag);
std::string command = "$(CMAKE_LINKER) $(CMAKE_LINKER_SHARED_LIBRARY_FLAG)";
bool hide_param = m_Makefile->IsOn("CMAKE_LINKER_HIDE_PARAMETERS");
if (hide_param)
{
command += " @<<\n\t";
}
command += " $(CMAKE_LINKER_FLAGS) " + linker_output_file_flag;
std::string dllpath = m_LibraryOutputPath + std::string(name) + m_SharedLibraryExtension;
command += this->ConvertToOutputPath(dllpath.c_str());
command += " $(" + this->CreateMakeVariable(name, "_SRC_OBJS") + ") ";
std::strstream linklibs;
this->OutputLinkLibraries(linklibs, name, t);
linklibs << std::ends;
command += linklibs.str();
delete [] linklibs.str();
const std::vector<cmSourceFile>& sources = t.GetSourceFiles();
for(std::vector<cmSourceFile>::const_iterator i = sources.begin();
i != sources.end(); ++i)
{
if(i->GetSourceExtension() == "def")
{
command += "/DEF:";
command += i->GetFullPath();
}
}
command += "\n";
if (hide_param)
{
command += "<<\n";
}
std::string customCommands = this->CreateTargetRules(t, name);
const char* cc = 0;
if(customCommands.size() > 0)
{
cc = customCommands.c_str();
}
this->OutputMakeRule(fout, "rules for a shared library",
target.c_str(),
depend.c_str(),
command.c_str(), cc);
}
void cmNMakeMakefileGenerator::OutputModuleLibraryRule(std::ostream& fout,
const char* name,
const cmTarget &target)
{
this->OutputSharedLibraryRule(fout, name, target);
}
void cmNMakeMakefileGenerator::OutputStaticLibraryRule(std::ostream& fout,
const char* name,
const cmTarget &t)
{
std::string target = m_LibraryOutputPath + std::string(name) + m_StaticLibraryExtension;
std::string depend = "$(";
depend += this->CreateMakeVariable(name, "_SRC_OBJS") + ") ";
// Need to get the definition here because this value might have
// trailing space (since it is directly prepended to the filename)
std::string library_manager_output_file_flag =
m_Makefile->GetDefinition("CMAKE_LIBRARY_MANAGER_OUTPUT_FILE_FLAG");
m_Makefile->ExpandVariablesInString(library_manager_output_file_flag);
std::string command = "$(CMAKE_LIBRARY_MANAGER) $(CMAKE_LIBRARY_MANAGER_FLAGS) @<<\n\t " + library_manager_output_file_flag;
std::string libpath = m_LibraryOutputPath + std::string(name) + m_StaticLibraryExtension;
command += this->ConvertToOutputPath(libpath.c_str());
command += " $(";
command += this->CreateMakeVariable(name, "_SRC_OBJS") + ")";
command += "\n<<\n";
std::string comment = "rule to build static library: ";
comment += name;
std::string customCommands = this->CreateTargetRules(t, name);
const char* cc = 0;
if(customCommands.size() > 0)
{
cc = customCommands.c_str();
}
this->OutputMakeRule(fout,
comment.c_str(),
target.c_str(),
depend.c_str(),
command.c_str(), cc);
}
void cmNMakeMakefileGenerator::OutputExecutableRule(std::ostream& fout,
const char* name,
const cmTarget &t)
{
std::string target = m_ExecutableOutputPath + name;
target += m_ExecutableExtension;
std::string depend = "$(";
depend += this->CreateMakeVariable(name, "_SRC_OBJS") + ") $(" +
this->CreateMakeVariable(name, "_DEPEND_LIBS") + ")";
std::string command =
"$(CMAKE_CXX_COMPILER) $(CMAKE_CXX_FLAGS) ";
command += "$(" + this->CreateMakeVariable(name, "_SRC_OBJS") + ") ";
std::string path = m_ExecutableOutputPath + name + m_ExecutableExtension;
// Need to get the definition here because this value might have
// trailing space (since it is directly prepended to the filename)
std::string output_executable_file_flag =
m_Makefile->GetDefinition("CMAKE_C_OUTPUT_EXECUTABLE_FILE_FLAG");
m_Makefile->ExpandVariablesInString(output_executable_file_flag);
command += " " + output_executable_file_flag +
this->ConvertToOutputPath(path.c_str());
command += " $(CMAKE_C_LINK_EXECUTABLE_FLAG) ";
if(t.GetType() == cmTarget::WIN32_EXECUTABLE)
{
command += " /subsystem:windows ";
}
std::strstream linklibs;
this->OutputLinkLibraries(linklibs, 0, t);
linklibs << std::ends;
command += linklibs.str();
std::string comment = "rule to build executable: ";
comment += name;
std::string customCommands = this->CreateTargetRules(t, name);
const char* cc = 0;
if(customCommands.size() > 0)
{
cc = customCommands.c_str();
}
this->OutputMakeRule(fout,
comment.c_str(),
target.c_str(),
depend.c_str(),
command.c_str(), cc);
}
void cmNMakeMakefileGenerator::OutputLinkLibraries(std::ostream& fout,
const char* targetLibrary,
const cmTarget &tgt)
{
// Try to emit each search path once
std::set<std::string> emitted;
// Embed runtime search paths if possible and if required.
// collect all the flags needed for linking libraries
// Do not try if there is no library path option (it is set to -L or
// -LIBPATH for some linker, but some others do not even support link
// search path).
std::string linkLibs;
// Expand content because this value might have
// trailing space (since it is directly prepended to the filename)
std::string lib_path_opt = m_LibraryPathOption;
m_Makefile->ExpandVariablesInString(lib_path_opt);
if (lib_path_opt.size())
{
std::vector<std::string>& libdirs = m_Makefile->GetLinkDirectories();
for(std::vector<std::string>::iterator libDir = libdirs.begin();
libDir != libdirs.end(); ++libDir)
{
std::string libpath = ShortPath(libDir->c_str());
if(emitted.insert(libpath).second)
{
linkLibs += lib_path_opt;
this->ConvertToOutputPath(libpath.c_str());
linkLibs += libpath;
linkLibs += " ";
}
}
}
std::string librariesLinked;
const cmTarget::LinkLibraries& libs = tgt.GetLinkLibraries();
for(cmTarget::LinkLibraries::const_iterator lib = libs.begin();
lib != libs.end(); ++lib)
{
// Don't link the library against itself!
if(targetLibrary && (lib->first == targetLibrary)) continue;
// ** should fix this later, it should check to see if this is
// a debug build and add the library
// don't look at debug libraries
// if (lib->second == cmTarget::DEBUG) continue;
// skip zero size library entries, this may happen
// if a variable expands to nothing.
if (lib->first.size() == 0) continue;
if(emitted.insert(lib->first).second)
{
std::string regexp = ".*\\";
regexp += m_Makefile->GetDefinition("CMAKE_STATICLIB_SUFFIX");
regexp += "$";
cmRegularExpression reg(regexp.c_str());
// if it ends in .lib, then it is a full path and should
// be escaped, and does not need .lib added
if(reg.find(lib->first))
{
librariesLinked += ShortPath(lib->first.c_str());
librariesLinked += " ";
}
else
{
librariesLinked += m_LibraryLinkOption;
librariesLinked += lib->first;
librariesLinked += m_StaticLibraryExtension + " ";
}
}
}
linkLibs += librariesLinked;
fout << linkLibs;
fout << "$(CMAKE_STANDARD_WINDOWS_LIBRARIES) ";
}
std::string cmNMakeMakefileGenerator::GetOutputExtension(const char* s)
{
std::string sourceExtension = s;
if(sourceExtension == "def")
{
return "";
}
if(sourceExtension == "ico" || sourceExtension == "rc2")
{
return "";
}
if(sourceExtension == "rc")
{
return ".res";
}
return m_ObjectFileExtension;
}
void cmNMakeMakefileGenerator::OutputIncludeMakefile(std::ostream& fout,
const char* file)
{
fout << "!include " << file << "\n";
}
bool cmNMakeMakefileGenerator::SamePath(const char* path1, const char* path2)
{
// first check to see if they are the same anyway
if (strcmp(path1, path2) == 0)
{
return true;
}
// next short path and lower case both of them for the compare
return
cmSystemTools::LowerCase(ShortPath(path1)) ==
cmSystemTools::LowerCase(ShortPath(path2));
}
void cmNMakeMakefileGenerator::OutputBuildLibraryInDir(std::ostream& fout,
const char* path,
const char* ,
const char* fullpath)
{
std::string currentDir =
this->ConvertToOutputPath(m_Makefile->GetCurrentOutputDirectory());
std::string wpath = this->ConvertToOutputPath(path);
std::string wfullpath = this->ConvertToOutputPath(fullpath);
fout << wfullpath
<< ":\n\tcd " << wpath << "\n"
<< "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) cmake.depends\n"
<< "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) cmake.check_depends\n"
<< "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) -f cmake.check_depends\n"
<< "\t$(MAKE) $(MAKESILENT) " << wfullpath
<< "\n\tcd " << currentDir << "\n";
}
std::string cmNMakeMakefileGenerator::ConvertToOutputPath(const char* s)
{
return cmSystemTools::ConvertToOutputPath(s);
}
std::string cmNMakeMakefileGenerator::CreateMakeVariable(const char* s, const char* s2)
{
std::string ret= std::string(s) + std::string(s2);
cmSystemTools::ReplaceString(ret, "-", "_");
return ret;
}