303 lines
8.5 KiB
C++
303 lines
8.5 KiB
C++
#include "cmUnixMakefileGenerator.h"
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#include "cmMakefile.h"
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#include "cmStandardIncludes.h"
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#include "cmSystemTools.h"
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#include "cmClassFile.h"
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#include "cmMakeDepend.h"
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void cmUnixMakefileGenerator::GenerateMakefile()
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{
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cmMakeDepend md;
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md.SetMakefile(m_Makefile);
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md.DoDepends();
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this->OutputMakefile("CMakeTargets.make");
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}
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// Output the depend information for all the classes
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// in the makefile. These would have been generated
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// by the class cmMakeDepend GenerateMakefile
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void cmUnixMakefileGenerator::OutputDepends(std::ostream& fout)
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{
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std::vector<cmClassFile>& Classes = m_Makefile->GetClasses();
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for(unsigned int i = 0; i < Classes.size(); i++)
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{
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if(!Classes[i].m_AbstractClass && !Classes[i].m_HeaderFileOnly)
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{
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if( Classes[i].m_Depends.size())
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{
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fout << Classes[i].m_ClassName << ".o : \\\n";
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for(std::vector<std::string>::iterator j =
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Classes[i].m_Depends.begin();
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j != Classes[i].m_Depends.end(); ++j)
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{
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if(j+1 == Classes[i].m_Depends.end())
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{
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fout << *j << " \n";
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}
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else
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{
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fout << *j << " \\\n";
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}
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}
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fout << "\n\n";
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}
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}
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}
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}
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// fix up names of directories so they can be used
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// as targets in makefiles.
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inline std::string FixDirectoryName(const char* dir)
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{
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std::string s = dir;
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// replace ../ with 3 under bars
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size_t pos = s.find("../");
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if(pos != std::string::npos)
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{
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s.replace(pos, 3, "___");
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}
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// replace / directory separators with a single under bar
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pos = s.find("/");
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while(pos != std::string::npos)
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{
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s.replace(pos, 1, "_");
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pos = s.find("/");
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}
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return s;
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}
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// This is where CMakeTargets.make is generated
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// This function ouputs the following:
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// 1. Include flags for the compiler
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// 2. List of .o files that need to be compiled
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// 3. Rules to build executables including -l and -L options
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// 4. Rules to build in sub directories
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// 5. The name of the library being built, if it is a library
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void cmUnixMakefileGenerator::OutputMakefile(const char* file)
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{
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std::vector<std::string>& auxSourceDirs = m_Makefile->GetAuxSourceDirectories();
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if( auxSourceDirs.size() )
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{
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// For the case when this is running as a remote build
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// on unix, make the directory
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for(std::vector<std::string>::iterator i = auxSourceDirs.begin();
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i != auxSourceDirs.end(); ++i)
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{
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cmSystemTools::MakeDirectory(i->c_str());
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}
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}
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std::ofstream fout(file);
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if(!fout)
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{
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cmSystemTools::Error("Error can not open for write: ", file);
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return;
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}
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// Output Include paths
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fout << "INCLUDE_FLAGS = ";
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std::vector<std::string>& includes = m_Makefile->GetIncludeDirectories();
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std::vector<std::string>::iterator i;
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for(i = includes.begin(); i != includes.end(); ++i)
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{
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std::string include = *i;
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fout << "-I" << i->c_str() << " ";
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}
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fout << " ${LOCAL_INCLUDE_FLAGS} ";
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fout << "\n";
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// see if there are files to compile in this makefile
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// These are used for both libraries and executables
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std::vector<cmClassFile>& Classes = m_Makefile->GetClasses();
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if(Classes.size() )
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{
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// Ouput Library name if there are SRC_OBJS
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if(strlen(m_Makefile->GetLibraryName()) > 0)
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{
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fout << "LIBRARY = " << m_Makefile->GetLibraryName() << "\n\n";
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fout << "BUILD_LIB_FILE = lib${LIBRARY}${CMAKE_LIB_EXT}\n\n";
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}
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// Output SRC_OBJ list for all the classes to be compiled
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fout << "SRC_OBJ = \\\n";
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for(unsigned int i = 0; i < Classes.size(); i++)
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{
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if(!Classes[i].m_AbstractClass && !Classes[i].m_HeaderFileOnly)
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{
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fout << Classes[i].m_ClassName << ".o ";
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if(i == Classes.size() -1)
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{
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fout << "\n\n";
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}
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else
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{
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fout << "\\\n";
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}
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}
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}
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fout << "\n";
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}
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std::vector<std::string>& MakeVerbatim = m_Makefile->GetMakeVerbatim();
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// Ouput user make text embeded in the input file
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for(unsigned int i =0; i < MakeVerbatim.size(); i++)
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{
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fout << MakeVerbatim[i] << "\n";
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}
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fout << "\n\n";
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// Output rules for building executables
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if( m_Makefile->HasExecutables() )
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{
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// collect all the flags needed for linking libraries
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std::string linkLibs;
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std::vector<std::string>::iterator j;
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std::vector<std::string>& libdirs = m_Makefile->GetLinkDirectories();
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for(j = libdirs.begin(); j != libdirs.end(); ++j)
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{
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if((*j).find("-L") == std::string::npos
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&& (*j).find("${") == std::string::npos)
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{
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linkLibs += "-L";
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}
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linkLibs += *j;
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linkLibs += " ";
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}
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std::vector<std::string>& libs = m_Makefile->GetLinkLibraries();
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for(j = libs.begin(); j != libs.end(); ++j)
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{
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if((*j).find("-l") == std::string::npos
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&& (*j).find("${") == std::string::npos)
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{
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linkLibs += "-l";
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}
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linkLibs += *j;
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linkLibs += " ";
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}
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std::vector<std::string>& libsUnix = m_Makefile->GetLinkLibrariesUnix();
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for(j = libsUnix.begin(); j != libsUnix.end(); ++j)
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{
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linkLibs += *j;
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linkLibs += " ";
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}
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linkLibs += " ${LOCAL_LINK_FLAGS} ";
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// create and output a varible in the makefile that
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// each executable will depend on. This will have all the
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// libraries that the executable uses
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fout << "CMAKE_DEPEND_LIBS = ";
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this->OutputDependLibraries(fout);
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// Now create rules for all of the executables to be built
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for(unsigned int i = 0; i < Classes.size(); i++)
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{
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if(!Classes[i].m_AbstractClass && !Classes[i].m_HeaderFileOnly)
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{
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std::string DotO = Classes[i].m_ClassName;
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DotO += ".o";
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fout << Classes[i].m_ClassName << ": " << DotO << " ";
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fout << "${CMAKE_DEPEND_LIBS}\n";
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fout << "\t${CXX} ${CXX_FLAGS} " << m_Makefile->GetDefineFlags()
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<< DotO.c_str() << " "
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<< linkLibs.c_str()
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<< " -o $@ ""\n\n";
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}
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}
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// ouput the list of executables
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fout << "EXECUTABLES = \\\n";
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for(unsigned int i = 0; i < Classes.size(); i++)
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{
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if(!Classes[i].m_AbstractClass && !Classes[i].m_HeaderFileOnly)
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{
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fout << Classes[i].m_ClassName;
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if(i < Classes.size()-1)
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{
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fout << " \\";
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}
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fout << "\n";
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}
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}
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fout << "\n";
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}
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// Output Sub directory build rules
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const std::vector<std::string>& SubDirectories
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= m_Makefile->GetSubDirectories();
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if( SubDirectories.size() )
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{
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fout << "SUBDIR_BUILD = \\\n";
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unsigned int i;
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for(i =0; i < SubDirectories.size(); i++)
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{
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std::string subdir = FixDirectoryName(SubDirectories[i].c_str());
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fout << "build_" << subdir.c_str();
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if(i == SubDirectories.size()-1)
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{
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fout << " \n\n";
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}
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else
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{
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fout << " \\\n";
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}
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}
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fout << std::endl;
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fout << "SUBDIR_CLEAN = \\\n";
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for(i =0; i < SubDirectories.size(); i++)
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{
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std::string subdir = FixDirectoryName(SubDirectories[i].c_str());
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fout << "clean_" << subdir.c_str();
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if(i == SubDirectories.size()-1)
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{
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fout << " \n\n";
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}
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else
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{
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fout << " \\\n";
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}
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}
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fout << std::endl;
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fout << "alldirs : ${SUBDIR_BUILD}\n\n";
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for(i =0; i < SubDirectories.size(); i++)
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{
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std::string subdir = FixDirectoryName(SubDirectories[i].c_str());
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fout << "build_" << subdir.c_str() << ":\n";
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fout << "\tcd " << SubDirectories[i].c_str()
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<< "; ${MAKE} -${MAKEFLAGS} CMakeTargets.make\n";
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fout << "\tcd " << SubDirectories[i].c_str()
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<< "; ${MAKE} -${MAKEFLAGS} all\n\n";
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fout << "clean_" << subdir.c_str() << ": \n";
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fout << "\tcd " << SubDirectories[i].c_str()
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<< "; ${MAKE} -${MAKEFLAGS} clean\n\n";
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}
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}
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this->OutputDepends(fout);
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}
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// output the list of libraries that the executables
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// in this makefile will depend on.
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void cmUnixMakefileGenerator::OutputDependLibraries(std::ostream& fout)
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{
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std::vector<std::string>& libs = m_Makefile->GetLinkLibraries();
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std::vector<std::string>& libdirs = m_Makefile->GetLinkDirectories();
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std::vector<std::string>::iterator dir, lib, endlibs, enddirs;
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for(lib = libs.begin(); lib != libs.end(); ++lib)
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{
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bool found = false;
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for(dir = libdirs.begin(); dir != libdirs.end() && !found; ++dir)
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{
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std::string expression = "LIBRARY.*=.*";
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expression += lib->c_str();
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if(cmSystemTools::Grep(dir->c_str(), "CMakeTargets.make", expression.c_str()))
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{
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std::string libpath = *dir;
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libpath += "/lib";
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libpath += *lib;
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libpath += "${CMAKE_LIB_EXT}";
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fout << libpath << " ";
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found = true;
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}
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}
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}
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fout << "\n";
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}
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