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CMake/Source/cmUnixMakefileGenerator.cxx

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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2000 National Library of Medicine
All rights reserved.
See COPYRIGHT.txt for copyright details.
=========================================================================*/
#include "cmUnixMakefileGenerator.h"
#include "cmMakefile.h"
#include "cmStandardIncludes.h"
#include "cmSystemTools.h"
#include "cmClassFile.h"
#include "cmMakeDepend.h"
void cmUnixMakefileGenerator::GenerateMakefile()
{
// Generate depends
cmMakeDepend md;
md.SetMakefile(m_Makefile);
md.DoDepends();
// output the makefile fragment
this->OutputMakefile("CMakeTargets.make");
}
// This is where CMakeTargets.make is generated
void cmUnixMakefileGenerator::OutputMakefile(const char* file)
{
// Create sub directories fro aux source directories
std::vector<std::string>& auxSourceDirs =
m_Makefile->GetAuxSourceDirectories();
if( auxSourceDirs.size() )
{
// For the case when this is running as a remote build
// on unix, make the directory
for(std::vector<std::string>::iterator i = auxSourceDirs.begin();
i != auxSourceDirs.end(); ++i)
{
cmSystemTools::MakeDirectory(i->c_str());
}
}
std::ofstream fout(file);
if(!fout)
{
cmSystemTools::Error("Error can not open for write: ", file);
return;
}
this->OutputMakeFlags(fout);
this->OutputSourceToObjectList(fout);
this->OutputVerbatim(fout);
this->OutputExecutableRules(fout);
this->OutputSubDirectoryRules(fout);
this->OutputObjectDepends(fout);
this->OutputCustomRules(fout);
}
// Output the LIBRARY and SRC_OBJS list based on
// the library name and cmClassFile objects in the
// makefile
void cmUnixMakefileGenerator::OutputSourceToObjectList(std::ostream& fout)
{
std::vector<cmClassFile>& Classes = m_Makefile->GetClasses();
if(Classes.size() == 0)
{
return;
}
// Ouput Library name if there are SRC_OBJS
if(strlen(m_Makefile->GetLibraryName()) > 0)
{
fout << "LIBRARY = " << m_Makefile->GetLibraryName() << "\n\n";
fout << "BUILD_LIB_FILE = lib${LIBRARY}${CMAKE_LIB_EXT}\n\n";
}
// Output SRC_OBJ list for all the classes to be compiled
fout << "SRC_OBJ = \\\n";
for(unsigned int i = 0; i < Classes.size(); i++)
{
if(!Classes[i].m_AbstractClass && !Classes[i].m_HeaderFileOnly
&& !Classes[i].m_IsExecutable)
{
fout << Classes[i].m_ClassName << ".o ";
if(i == Classes.size() -1)
{
fout << "\n\n";
}
else
{
fout << "\\\n";
}
}
}
fout << "\n";
}
// output the list of libraries that the executables
// in this makefile will depend on.
void cmUnixMakefileGenerator::OutputDependencies(std::ostream& fout)
{
std::vector<std::string>& libs = m_Makefile->GetLinkLibraries();
std::vector<std::string>& libdirs = m_Makefile->GetLinkDirectories();
std::vector<std::string>::iterator dir, lib;
// Search the list of libraries that will be linked into
// the executable
for(lib = libs.begin(); lib != libs.end(); ++lib)
{
bool found = false;
// loop over the list of directories that the libraries might
// be in, looking for a LIBRARY=(lib) line.
for(dir = libdirs.begin(); dir != libdirs.end() && !found; ++dir)
{
std::string expression = "LIBRARY.*=.*";
expression += lib->c_str();
if(cmSystemTools::Grep(dir->c_str(), "CMakeTargets.make",
expression.c_str()))
{
std::string libpath = *dir;
libpath += "/lib";
libpath += *lib;
libpath += "${CMAKE_LIB_EXT}";
fout << libpath << " ";
found = true;
}
}
}
std::vector<std::string>& utils = m_Makefile->GetUtilities();
std::vector<std::string>& utildirs = m_Makefile->GetUtilityDirectories();
std::vector<std::string>::iterator util;
// Search the list of utilities that may be used to generate code for
// this project.
for(util = utils.begin(); util != utils.end(); ++util)
{
bool found = false;
// loop over the list of directories that the utilities might
// be in, looking for an EXECUTABLES=(util) line.
for(dir = utildirs.begin(); dir != utildirs.end() && !found; ++dir)
{
std::string expression = "EXECUTABLES.*=.*";
expression += util->c_str();
if(cmSystemTools::Grep(dir->c_str(), "CMakeTargets.make",
expression.c_str()))
{
fout << *util << " ";
found = true;
}
}
}
fout << "\n";
}
// output make include flags
void cmUnixMakefileGenerator::OutputMakeFlags(std::ostream& fout)
{
// Output Include paths
fout << "INCLUDE_FLAGS = ";
std::vector<std::string>& includes = m_Makefile->GetIncludeDirectories();
std::vector<std::string>::iterator i;
for(i = includes.begin(); i != includes.end(); ++i)
{
std::string include = *i;
fout << "-I" << i->c_str() << " ";
}
fout << m_Makefile->GetDefineFlags();
fout << " ${LOCAL_INCLUDE_FLAGS} ";
fout << "\n";
fout << "default_target: all\n\n";
// see if there are files to compile in this makefile
// These are used for both libraries and executables
}
// output verbatim section
void cmUnixMakefileGenerator::OutputVerbatim(std::ostream& fout)
{
std::vector<std::string>& MakeVerbatim = m_Makefile->GetMakeVerbatim();
// Ouput user make text embeded in the input file
for(unsigned int i =0; i < MakeVerbatim.size(); i++)
{
fout << MakeVerbatim[i] << "\n";
}
fout << "\n\n";
}
// output executables
void cmUnixMakefileGenerator::OutputExecutableRules(std::ostream& fout)
{
if(!m_Makefile->HasExecutables())
{
return ;
}
// collect all the flags needed for linking libraries
std::string linkLibs;
std::vector<std::string>::iterator j;
std::vector<std::string>& libdirs = m_Makefile->GetLinkDirectories();
for(j = libdirs.begin(); j != libdirs.end(); ++j)
{
std::string::size_type pos = (*j).find("-L");
if((pos == std::string::npos || pos > 0)
&& (*j).find("${") == std::string::npos)
{
linkLibs += "-L";
}
linkLibs += *j;
linkLibs += " ";
}
std::string librariesLinked;
std::vector<std::string>& libs = m_Makefile->GetLinkLibraries();
for(j = libs.begin(); j != libs.end(); ++j)
{
std::string::size_type pos = (*j).find("-l");
if((pos == std::string::npos || pos > 0)
&& (*j).find("${") == std::string::npos)
{
librariesLinked += "-l";
}
librariesLinked += *j;
librariesLinked += " ";
}
// Add these in twice so order does not matter
linkLibs += librariesLinked;
linkLibs += librariesLinked;
std::vector<std::string>& libsUnix = m_Makefile->GetLinkLibrariesUnix();
for(j = libsUnix.begin(); j != libsUnix.end(); ++j)
{
linkLibs += *j;
linkLibs += " ";
}
linkLibs += " ${LOCAL_LINK_FLAGS} ";
// create and output a varible in the makefile that
// each executable will depend on. This will have all the
// libraries that the executable uses
fout << "CMAKE_DEPEND_LIBS = ";
this->OutputDependencies(fout);
// Now create rules for all of the executables to be built
std::vector<cmClassFile>& Classes = m_Makefile->GetClasses();
for(unsigned int i = 0; i < Classes.size(); i++)
{
if(!Classes[i].m_AbstractClass && !Classes[i].m_HeaderFileOnly
&& Classes[i].m_IsExecutable)
{
std::string DotO = Classes[i].m_ClassName;
DotO += ".o";
fout << Classes[i].m_ClassName << ": " << DotO << " ";
fout << "${CMAKE_DEPEND_LIBS}\n";
fout << "\t${CXX} ${CXX_FLAGS} "
<< DotO.c_str() << " "
<< linkLibs.c_str()
<< " -o $@ ""\n\n";
}
}
// ouput the list of executables
fout << "EXECUTABLES = \\\n";
for(unsigned int i = 0; i < Classes.size(); i++)
{
if(!Classes[i].m_AbstractClass && !Classes[i].m_HeaderFileOnly
&& Classes[i].m_IsExecutable)
{
fout << Classes[i].m_ClassName;
if(i < Classes.size()-1)
{
fout << " \\";
}
fout << "\n";
}
}
fout << "\n";
}
// fix up names of directories so they can be used
// as targets in makefiles.
inline std::string FixDirectoryName(const char* dir)
{
std::string s = dir;
// replace ../ with 3 under bars
size_t pos = s.find("../");
if(pos != std::string::npos)
{
s.replace(pos, 3, "___");
}
// replace / directory separators with a single under bar
pos = s.find("/");
while(pos != std::string::npos)
{
s.replace(pos, 1, "_");
pos = s.find("/");
}
return s;
}
// output rules for decending into sub directories
void cmUnixMakefileGenerator::OutputSubDirectoryRules(std::ostream& fout)
{
// Output Sub directory build rules
const std::vector<std::string>& SubDirectories
= m_Makefile->GetSubDirectories();
if( SubDirectories.size() == 0)
{
return;
}
fout << "SUBDIR_BUILD = \\\n";
unsigned int i;
for(i =0; i < SubDirectories.size(); i++)
{
std::string subdir = FixDirectoryName(SubDirectories[i].c_str());
fout << "build_" << subdir.c_str();
if(i == SubDirectories.size()-1)
{
fout << " \n\n";
}
else
{
fout << " \\\n";
}
}
fout << std::endl;
fout << "SUBDIR_CLEAN = \\\n";
for(i =0; i < SubDirectories.size(); i++)
{
std::string subdir = FixDirectoryName(SubDirectories[i].c_str());
fout << "clean_" << subdir.c_str();
if(i == SubDirectories.size()-1)
{
fout << " \n\n";
}
else
{
fout << " \\\n";
}
}
fout << std::endl;
fout << "alldirs : ${SUBDIR_BUILD}\n\n";
for(i =0; i < SubDirectories.size(); i++)
{
std::string subdir = FixDirectoryName(SubDirectories[i].c_str());
fout << "build_" << subdir.c_str() << ":\n";
fout << "\tcd " << SubDirectories[i].c_str()
<< "; ${MAKE} -${MAKEFLAGS} CMakeTargets.make\n";
fout << "\tcd " << SubDirectories[i].c_str()
<< "; ${MAKE} -${MAKEFLAGS} all\n\n";
fout << "clean_" << subdir.c_str() << ": \n";
fout << "\tcd " << SubDirectories[i].c_str()
<< "; ${MAKE} -${MAKEFLAGS} clean\n\n";
}
}
// Output the depend information for all the classes
// in the makefile. These would have been generated
// by the class cmMakeDepend GenerateMakefile
void cmUnixMakefileGenerator::OutputObjectDepends(std::ostream& fout)
{
std::vector<cmClassFile>& Classes = m_Makefile->GetClasses();
for(unsigned int i = 0; i < Classes.size(); i++)
{
if(!Classes[i].m_AbstractClass && !Classes[i].m_HeaderFileOnly)
{
if( Classes[i].m_Depends.size())
{
fout << Classes[i].m_ClassName << ".o : \\\n";
for(std::vector<std::string>::iterator j =
Classes[i].m_Depends.begin();
j != Classes[i].m_Depends.end(); ++j)
{
if(j+1 == Classes[i].m_Depends.end())
{
fout << *j << " \n";
}
else
{
fout << *j << " \\\n";
}
}
fout << "\n\n";
}
}
}
}
// Output each custom rule in the following format:
// m_Result: m_Source m_Depends[0] m_Depends[1] ...
// (tab) m_Command
void cmUnixMakefileGenerator::OutputCustomRules(std::ostream& fout)
{
for(std::vector<cmMakefile::customCommand>::const_iterator c =
m_Makefile->GetCustomCommands().begin();
c != m_Makefile->GetCustomCommands().end(); ++c)
{
fout << c->m_Result.c_str() << ": " << c->m_Source.c_str();
for(std::vector<std::string>::const_iterator d = c->m_Depends.begin();
d != c->m_Depends.end(); ++ d)
{
fout << " " << d->c_str();
}
fout << "\n\t" << c->m_Command.c_str() << "\n\n";
}
}
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