#include <fstream>
+#include <iostream>
#include <msp/progress.h>
#include <msp/strconv.h>
#include <msp/strutils.h>
#include "misc.h"
#include "objectfile.h"
#include "package.h"
+#include "pkgconfig.h"
+#include "sharedlibrary.h"
+#include "staticlibrary.h"
#include "systemlibrary.h"
#include "virtualtarget.h"
using namespace Msp;
Builder::Builder(int argc, char **argv):
- verbose(1),
- cwd(Path::getcwd()),
analyzer(0),
- jobs(1),
- chrome(false)
+ do_build(true),
+ verbose(1),
+ chrome(false),
+ build_file("Build"),
+ jobs(1)
{
GetOpt getopt;
- getopt.add_option(GetOpt::Option('v', "verbose", GetOpt::NONE));
getopt.add_option(GetOpt::Option('a', "analyze", GetOpt::REQUIRED));
getopt.add_option(GetOpt::Option('b', "build", GetOpt::NONE));
- getopt.add_option(GetOpt::Option("max-depth", GetOpt::REQUIRED));
+ getopt.add_option(GetOpt::Option('c', "clean", GetOpt::NONE));
+ getopt.add_option(GetOpt::Option('f', "file", GetOpt::REQUIRED, "Build"));
+ getopt.add_option(GetOpt::Option('h', "help", GetOpt::NONE));
+ getopt.add_option(GetOpt::Option('j', "jobs", GetOpt::REQUIRED, "1"));
getopt.add_option(GetOpt::Option('n', "dry-run", GetOpt::NONE));
- getopt.add_option(GetOpt::Option('W', "what-if", GetOpt::REQUIRED));
+ getopt.add_option(GetOpt::Option('v', "verbose", GetOpt::NONE));
+ getopt.add_option(GetOpt::Option('A', "conf-all", GetOpt::NONE));
getopt.add_option(GetOpt::Option('B', "build-all", GetOpt::NONE));
getopt.add_option(GetOpt::Option('C', "chdir", GetOpt::REQUIRED));
- getopt.add_option(GetOpt::Option('j', "jobs", GetOpt::REQUIRED));
- getopt.add_option(GetOpt::Option('h', "help", GetOpt::NONE));
- getopt.add_option(GetOpt::Option('c', "clean", GetOpt::NONE));
+ getopt.add_option(GetOpt::Option('W', "what-if", GetOpt::REQUIRED));
getopt.add_option(GetOpt::Option("chrome", GetOpt::NONE));
+ getopt.add_option(GetOpt::Option("conf-only", GetOpt::NONE));
getopt.add_option(GetOpt::Option("full-paths", GetOpt::NONE));
+ getopt.add_option(GetOpt::Option("max-depth", GetOpt::REQUIRED));
int index=getopt(argc, argv);
verbose+=getopt['v'].count();
if(getopt["max-depth"])
analyzer->set_max_depth(strtol(getopt["max-depth"].arg()));
analyzer->set_full_paths(getopt["full-paths"]);
- }
- if(getopt['j'])
- jobs=max(strtol(getopt['j'].arg()), 1L);
+ if(!getopt['b'])
+ do_build=false;
+ }
- if(getopt["chrome"])
- chrome=true;
+ dry_run=getopt['n'];
+ jobs=max(strtol(getopt['j'].arg()), 1L);
+ chrome=getopt["chrome"];
+ conf_all=getopt['A'];
+ conf_only=getopt["conf-only"];
+ build_file=getopt['f'].arg();
+ build_all=getopt['B'];
+ help=getopt['h'];
if(getopt['C'])
chdir(getopt['C'].arg().c_str());
if(cmdline_targets.empty())
cmdline_targets.push_back("default");
+
+ if(getopt['W'])
+ what_if.push_back(getopt['W'].arg());
+
+ cwd=Path::getcwd();
}
/**
if(i!=packages.end())
return i->second;
+ // Try to get source directory with pkgconfig
list<string> argv;
argv.push_back("pkg-config");
argv.push_back("--variable=source");
if(!srcdir.empty())
dirs.push_back(srcdir);
+ // Make some other guesses about the source directory
string dirname=n;
if(!dirname.compare(0, 3, "msp"))
dirname.erase(0, 3);
dirs.push_back(cwd/dirname);
dirs.push_back(cwd/".."/dirname);
+ // Go through the candidate directories and look for a Build file
for(PathList::iterator j=dirs.begin(); j!=dirs.end(); ++j)
if(!load_build_file(*j/"Build"))
{
return i->second;
break;
}
-
+
+ // Package source not found - create a binary package
Package *pkg=Package::create(*this, n);
packages.insert(PackageMap::value_type(n, pkg));
- new_pkgs.push_back(pkg);
+ if(pkg)
+ new_pkgs.push_back(pkg);
return pkg;
}
+/**
+Returns the target with the given name, or 0 if no such target exists.
+*/
Target *Builder::get_target(const string &n)
{
TargetMap::iterator i=targets.find(n);
return 0;
}
+/**
+Tries to locate a header included from a given location and with a given include
+path. Considers known targets as well as existing files. If a matching target
+is not found but a file exists, a new SystemHeader target will be created and
+returned.
+*/
Target *Builder::get_header(const string &include, const string &from, const list<string> &path)
{
- //XXX Should really hash the include path here
- string id=from+":"+include;
+ string hash(8, 0);
+ update_hash(hash, from);
+ for(list<string>::const_iterator i=path.begin(); i!=path.end(); ++i)
+ update_hash(hash, *i);
+
+ string id=hash+include;
TargetMap::iterator i=includes.find(id);
if(i!=includes.end())
return i->second;
string fn=include.substr(1);
Target *tgt=0;
- if(include[0]=='"' && (tgt=check_header(Path::Path(from)/fn)))
- return tgt;
- if((tgt=check_header(Path::Path("/usr/include")/fn)))
- return tgt;
- if((tgt=check_header(Path::Path("/usr/include/c++/4.1.2")/fn)))
- return tgt;
- for(list<string>::const_iterator j=path.begin(); j!=path.end(); ++j)
- if((tgt=check_header(Path::Path(*j)/fn)))
- return tgt;
+ if(include[0]=='"' && (tgt=get_header(Path::Path(from)/fn)))
+ ;
+ else if((tgt=get_header(Path::Path("/usr/include")/fn)))
+ ;
+ //XXX Determine the C++ header location dynamically
+ else if((tgt=get_header(Path::Path("/usr/include/c++/4.1.2")/fn)))
+ ;
+ else
+ {
+ for(list<string>::const_iterator j=path.begin(); (j!=path.end() && !tgt); ++j)
+ tgt=get_header(cwd/ *j/fn);
+ }
+
+ includes.insert(TargetMap::value_type(id, tgt));
- return 0;
+ return tgt;
}
-Target *Builder::get_library(const string &lib, const list<string> &path)
+/**
+Tries to locate a library with the given library path. Considers known targets
+as well as existing files. If a matching target is not found but a file exists,
+a new SystemLibrary target will be created and returned.
+
+@param lib Name of the library to get (without "lib" prefix or extension)
+@param path List of paths to search for the library
+@param mode Shared / shared mode - 0: always shared, 1: static for buildable
+ packages, otherwise shared, 2: always static
+
+@return Some kind of library target, if a match was found
+*/
+Target *Builder::get_library(const string &lib, const list<string> &path, unsigned mode)
{
string hash(8, 0);
for(list<string>::const_iterator i=path.begin(); i!=path.end(); ++i)
- for(unsigned j=0; j<i->size(); ++j)
- hash[j%8]^=(*i)[j];
+ update_hash(hash, *i);
- string basename="lib"+lib+".so";
- for(list<string>::const_iterator i=path.begin(); i!=path.end(); ++i)
+ //XXX Incorporate mode into id
+ string id=hash+lib;
+ TargetMap::iterator i=libraries.find(id);
+ if(i!=libraries.end())
+ return i->second;
+
+ Target *tgt=0;
+ if((tgt=get_library(lib, "/lib", mode)))
+ ;
+ else if((tgt=get_library(lib, "/usr/lib", mode)))
+ ;
+ else
{
- string full=(Path::Path(*i)/basename).str();
- Target *tgt=get_target(full);
- if(tgt) return tgt;
-
- if(Path::exists(full))
- {
- add_target(tgt=new SystemLibrary(*this, full));
- return tgt;
- }
+ for(list<string>::const_iterator j=path.begin(); (j!=path.end() && !tgt); ++j)
+ tgt=get_library(lib, cwd/ *j, mode);
}
- return 0;
+ libraries.insert(TargetMap::value_type(id, tgt));
+
+ return tgt;
}
int Builder::main()
{
- if(load_build_file(cwd/"Build"))
+ if(load_build_file(cwd/build_file))
{
cerr<<"No build info here.\n";
return 1;
while(!new_pkgs.empty())
{
Package *pkg=new_pkgs.front();
- if(pkg==default_pkg)
- pkg->process_options(cmdline_options);
new_pkgs.erase(new_pkgs.begin());
pkg->resolve_refs();
}
- std::list<std::string> missing;
- for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
+ default_pkg->configure(cmdline_options, conf_all?2:1);
+
+ if(help)
{
- const list<PackageRef> &requires=i->second->get_requires();
- for(list<PackageRef>::const_iterator j=requires.begin(); j!=requires.end(); ++j)
- if(!j->get_package())
- missing.push_back(j->get_name());
+ usage(0, "builder", false);
+ cout<<'\n';
+ package_help();
+ return 0;
}
+ StringList missing;
+ for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
+ if(!i->second)
+ missing.push_back(i->first);
+
if(!missing.empty())
{
missing.sort();
- missing.unique();
cerr<<"The following packages were not found on the system:\n";
for(list<string>::iterator i=missing.begin(); i!=missing.end(); ++i)
cerr<<" "<<*i<<'\n';
return 1;
}
- default_pkg->create_build_info();
+ if(conf_only)
+ return 0;
if(create_targets())
return 1;
if(i->second->get_buildable())
cout<<'*';
unsigned count=0;
+ unsigned ood_count=0;
for(TargetMap::iterator j=targets.begin(); j!=targets.end(); ++j)
if(j->second->get_package()==i->second)
+ {
++count;
- cout<<" ("<<count<<" targets)\n";
+ if(j->second->get_rebuild())
+ ++ood_count;
+ }
+ if(count)
+ {
+ cout<<" ("<<count<<" targets";
+ if(ood_count)
+ cout<<", "<<ood_count<<" out-of-date";
+ cout<<')';
+ }
+ cout<<'\n';
}
}
if(analyzer)
analyzer->analyze();
- build();
+ if(do_build)
+ build();
return exit_code;
}
delete analyzer;
}
+void Builder::usage(const char *reason, const char *argv0, bool brief)
+{
+ if(reason)
+ cerr<<reason<<'\n';
+
+ if(brief)
+ cerr<<"Usage: "<<argv0<<" [-a|--analyze MODE] [-b|--build] [-c|--clean] [-f|--file FILE] [-h|--help] [-j|--jobs NUM] [-n||--dry-run] [-v|--verbose] [-A|--conf-all] [-B|--build-all] [-C|--chdir DIRECTORY] [-W|--what-if FILE] [--chrome] [--conf-only] [--full-paths] [--max-depth NUM] [<target> ...]";
+ else
+ {
+ cerr<<
+ "Usage: "<<argv0<<" [options] [<target> ...]\n"
+ "\n"
+ "Options:\n"
+ " -a, --analyze MODE Perform analysis. MODE can be deps, alldeps or rebuild.\n"
+ " -b, --build Perform build even if doing analysis.\n"
+ " -c, --clean Clean buildable targets.\n"
+ " -f, --file FILE Read info from FILE instead of Build.\n"
+ " -h, --help Print this message.\n"
+ " -j, --jobs NUM Run NUM commands at once, whenever possible.\n"
+ " -n, --dry-run Don't actually do anything, only show what would be done.\n"
+ " -v, --verbose Print more information about what's going on.\n"
+ " -A, --conf-all Apply configuration to all packages.\n"
+ " -B, --build-all Build all targets unconditionally.\n"
+ " -C, --chdir DIR Change to DIR before doing anything else.\n"
+ " -W, --what-if FILE Pretend that FILE has changed.\n"
+ " --chrome Use extra chrome to print status.\n"
+ " --conf-only Stop after configuring packages.\n"
+ " --full-paths Output full paths in analysis.\n"
+ " --max-depth NUM Maximum depth to show in analysis.\n";
+ }
+}
+
+/**
+Loads the given build file.
+
+@param fn Path to the file
+
+@return 0 on success, -1 if the file could not be opened
+*/
int Builder::load_build_file(const Path::Path &fn)
{
ifstream in(fn.str().c_str());
return 0;
}
+/**
+Creates targets for all packages and prepares them for building.
+
+@return 0 if everything went ok, -1 if something bad happened and a build
+ shouldn't be attempted
+*/
int Builder::create_targets()
{
Target *world=new VirtualTarget(*this, "world");
if(!i->second->get_buildable())
continue;
+ Path::Path inst_base;
+ if(i->second->get_config().is_option("prefix"))
+ inst_base=i->second->get_config().get_option("prefix").value;
+
const ComponentList &components=i->second->get_components();
for(ComponentList::const_iterator j=components.begin(); j!=components.end(); ++j)
{
+ // Collect all files belonging to the component
PathList files;
const PathList &sources=j->get_sources();
for(PathList::const_iterator k=sources.begin(); k!=sources.end(); ++k)
{
- list<string> sfiles=list_files(*k);
- for(list<string>::iterator l=sfiles.begin(); l!=sfiles.end(); ++l)
- files.push_back(*k / *l);
+ struct stat st;
+ stat(*k, st);
+ if(S_ISDIR(st.st_mode))
+ {
+ list<string> sfiles=list_files(*k);
+ for(list<string>::iterator l=sfiles.begin(); l!=sfiles.end(); ++l)
+ files.push_back(*k / *l);
+ }
+ else
+ files.push_back(*k);
}
- Path::Path inst_base=i->second->get_config().get_option("prefix").value;
-
bool build_exe=j->get_type()!=Component::HEADERS;
list<ObjectFile *> objs;
{
string basename=(*k)[-1];
string ext=Path::splitext(basename).ext;
- if(ext==".cpp" || ext==".c")
+ if((ext==".cpp" || ext==".c") && build_exe)
{
- if(build_exe)
- {
- SourceFile *src=new SourceFile(*this, &*j, k->str());
- add_target(src);
-
- ObjectFile *obj=new ObjectFile(*this, *j, *src);
- add_target(obj);
- objs.push_back(obj);
- }
+ SourceFile *src=new SourceFile(*this, &*j, k->str());
+ add_target(src);
+
+ // Compile sources
+ ObjectFile *obj=new ObjectFile(*this, *j, *src);
+ add_target(obj);
+ objs.push_back(obj);
}
else if(ext==".h")
{
hdr=new Header(*this, &*j, k->str());
add_target(hdr);
}
+
+ // Install headers if requested
if(!j->get_install_headers().empty())
{
Path::Path inst_path=inst_base/"include"/j->get_install_headers()/basename;
if(build_exe)
{
- Executable *exe=new Executable(*this, *j, objs);
+ Executable *exe=0;
+ StaticLibrary *slib=0;
+ if(j->get_type()==Component::LIBRARY)
+ {
+ exe=new SharedLibrary(*this, *j, objs);
+ slib=new StaticLibrary(*this, *j, objs);
+ add_target(slib);
+ }
+ else
+ exe=new Executable(*this, *j, objs);
+
add_target(exe);
if(i->second==default_pkg)
+ {
def_tgt->add_depend(exe);
+ if(slib) def_tgt->add_depend(slib);
+ }
else
+ {
world->add_depend(exe);
+ if(slib) world->add_depend(slib);
+ }
if(j->get_install())
{
Install *inst=new Install(*this, *i->second, *exe, (inst_base/inst_dir/Path::basename(exe->get_name())).str());
add_target(inst);
install->add_depend(inst);
+
+ if(slib)
+ {
+ inst=new Install(*this, *i->second, *slib, (inst_base/inst_dir/Path::basename(slib->get_name())).str());
+ add_target(inst);
+ install->add_depend(inst);
+ }
}
}
}
}
+
+ if(i->second->get_install_flags()&(Package::LIB|Package::INCLUDE))
+ {
+ PkgConfig *pc=new PkgConfig(*this, *i->second);
+ add_target(pc);
+ Install *inst=new Install(*this, *i->second, *pc, (inst_base/"lib"/"pkgconfig"/Path::basename(pc->get_name())).str());
+ add_target(inst);
+ install->add_depend(inst);
+ }
}
+ // Find dependencies until no new targets are created
while(!new_tgts.empty())
{
Target *tgt=new_tgts.front();
new_tgts.erase(new_tgts.begin());
tgt->find_depends();
+ if(!tgt->get_depends_ready())
+ new_tgts.push_back(tgt);
+ }
+
+ // Apply what-ifs
+ for(StringList::iterator i=what_if.begin(); i!=what_if.end(); ++i)
+ {
+ Target *tgt=get_target((cwd/ *i).str());
+ if(!tgt)
+ {
+ cerr<<"Unknown what-if target "<<*i<<'\n';
+ return -1;
+ }
+ tgt->touch();
}
+ // Make the cmdline target depend on all targets mentioned on the command line
Target *cmdline=new VirtualTarget(*this, "cmdline");
add_target(cmdline);
world->add_depend(cmdline);
return 0;
}
-Target *Builder::check_header(const Msp::Path::Path &fn)
+/**
+Check if a header exists, either as a target or a file. Either an existing
+target or a new SystemHeader target will be returned.
+*/
+Target *Builder::get_header(const Msp::Path::Path &fn)
{
Target *tgt=get_target(fn.str());
if(tgt) return tgt;
return 0;
}
+Target *Builder::get_library(const string &lib, const Path::Path &path, unsigned mode)
+{
+ string full;
+ if(mode>=1)
+ {
+ full=(path/("lib"+lib+".a")).str();
+ Target *tgt=get_target(full);
+ // Targets can only be associated with buildable packages (or no package at all)
+ if(tgt && (tgt->get_package() || mode==2)) return tgt;
+ }
+ if(mode<=1)
+ {
+ full=(path/("lib"+lib+".so")).str();
+ Target *tgt=get_target(full);
+ if(tgt) return tgt;
+ }
+
+ if(Path::exists(full))
+ {
+ Target *tgt=new SystemLibrary(*this, full);
+ add_target(tgt);
+ return tgt;
+ }
+
+ return 0;
+}
+
+/**
+Adds a target to both the target map and the new target queue.
+*/
void Builder::add_target(Target *t)
{
targets.insert(TargetMap::value_type(t->get_name(), t));
new_tgts.push_back(t);
}
+/**
+Updates a hash with a string. This is used from get_header and get_library.
+*/
+void Builder::update_hash(string &hash, const string &value)
+{
+ for(unsigned i=0; i<value.size(); ++i)
+ hash[i%hash.size()]^=value[i];
+}
+
+/**
+This function supervises the build process, starting new actions when slots
+become available.
+*/
int Builder::build()
{
Target *cmdline=get_target("cmdline");
vector<Action *> actions;
- //ProgressBar *progress=0;
if(chrome)
- {
- //progress=new ProgressBar(cout, total);
cout<<"0 targets built\n";
- }
unsigned count=0;
bool fail=false;
Target *tgt=cmdline->get_buildable_target();
if(tgt)
{
- /*if(chrome)
- {
- cout<<"\e["<<actions.size()+1<<'A';
- //progress->set(count);
- cout<<"\e["<<actions.size()+1<<'B';
- }*/
Action *action=tgt->build();
if(action)
actions.push_back(action);
}
}
- //delete progress;
-
return fail?-1:0;
}
+/**
+Prints out information about the default package.
+*/
+void Builder::package_help()
+{
+ const Config &config=default_pkg->get_config();
+ const Config::OptionMap &options=config.get_options();
+
+ cout<<"Required packages:\n ";
+ const PkgRefList &requires=default_pkg->get_requires();
+ for(PkgRefList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
+ {
+ if(i!=requires.begin())
+ cout<<", ";
+ cout<<i->get_name();
+ }
+ cout<<"\n\n";
+ cout<<"Package configuration:\n";
+ for(Config::OptionMap::const_iterator i=options.begin(); i!=options.end(); ++i)
+ {
+ const Config::Option &opt=i->second;
+ cout<<" "<<opt.name<<": "<<opt.descr<<" ("<<opt.value<<") ["<<opt.defv<<"]\n";
+ }
+}
+
Application::RegApp<Builder> Builder::reg;
Builder::Loader::Loader(Builder &b, const Path::Path &s):