-// InstallBuildDepsLoop /*{{{*/
-static bool InstallBuildDepsLoop(CacheFile &Cache, std::string const &Src,
- std::vector<pkgSrcRecords::Parser::BuildDepRec> const &BuildDeps,
- bool const StripMultiArch, std::string const &hostArch)
-{
- // Install the requested packages
- std::vector <pkgSrcRecords::Parser::BuildDepRec>::const_iterator D;
- pkgProblemResolver Fix(Cache);
- bool skipAlternatives = false; // skip remaining alternatives in an or group
- for (D = BuildDeps.begin(); D != BuildDeps.end(); ++D)
- {
- bool hasAlternatives = (((*D).Op & pkgCache::Dep::Or) == pkgCache::Dep::Or);
-
- if (skipAlternatives == true)
- {
- /*
- * if there are alternatives, we've already picked one, so skip
- * the rest
- *
- * TODO: this means that if there's a build-dep on A|B and B is
- * installed, we'll still try to install A; more importantly,
- * if A is currently broken, we cannot go back and try B. To fix
- * this would require we do a Resolve cycle for each package we
- * add to the install list. Ugh
- */
- if (!hasAlternatives)
- skipAlternatives = false; // end of or group
- continue;
- }
-
- if ((*D).Type == pkgSrcRecords::Parser::BuildConflict ||
- (*D).Type == pkgSrcRecords::Parser::BuildConflictIndep)
- {
- pkgCache::GrpIterator Grp = Cache->FindGrp((*D).Package);
- // Build-conflicts on unknown packages are silently ignored
- if (Grp.end() == true)
- continue;
-
- for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
- {
- pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache);
- /*
- * Remove if we have an installed version that satisfies the
- * version criteria
- */
- if (IV.end() == false &&
- Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
- TryToInstallBuildDep(Pkg,Cache,Fix,true,false);
- }
- }
- else // BuildDep || BuildDepIndep
- {
- if (_config->FindB("Debug::BuildDeps",false) == true)
- std::cout << "Looking for " << (*D).Package << "...\n";
-
- pkgCache::PkgIterator Pkg;
-
- // Cross-Building?
- if (StripMultiArch == false && D->Type != pkgSrcRecords::Parser::BuildDependIndep)
- {
- size_t const colon = D->Package.find(":");
- if (colon != std::string::npos)
- {
- if (strcmp(D->Package.c_str() + colon, ":any") == 0 || strcmp(D->Package.c_str() + colon, ":native") == 0)
- Pkg = Cache->FindPkg(D->Package.substr(0,colon));
- else
- Pkg = Cache->FindPkg(D->Package);
- }
- else
- Pkg = Cache->FindPkg(D->Package, hostArch);
-
- // a bad version either is invalid or doesn't satify dependency
-#define BADVER(Ver) (Ver.end() == true || \
- (D->Version.empty() == false && \
- Cache->VS().CheckDep(Ver.VerStr(),D->Op,D->Version.c_str()) == false))
-
- APT::VersionList verlist;
- if (Pkg.end() == false)
- {
- pkgCache::VerIterator Ver = (*Cache)[Pkg].InstVerIter(*Cache);
- if (BADVER(Ver) == false)
- verlist.insert(Ver);
- Ver = (*Cache)[Pkg].CandidateVerIter(*Cache);
- if (BADVER(Ver) == false)
- verlist.insert(Ver);
- }
- if (verlist.empty() == true)
- {
- pkgCache::PkgIterator BuildPkg = Cache->FindPkg(D->Package, "native");
- if (BuildPkg.end() == false && Pkg != BuildPkg)
- {
- pkgCache::VerIterator Ver = (*Cache)[BuildPkg].InstVerIter(*Cache);
- if (BADVER(Ver) == false)
- verlist.insert(Ver);
- Ver = (*Cache)[BuildPkg].CandidateVerIter(*Cache);
- if (BADVER(Ver) == false)
- verlist.insert(Ver);
- }
- }
-#undef BADVER
-
- std::string forbidden;
- // We need to decide if host or build arch, so find a version we can look at
- APT::VersionList::const_iterator Ver = verlist.begin();
- for (; Ver != verlist.end(); ++Ver)
- {
- forbidden.clear();
- if (Ver->MultiArch == pkgCache::Version::No || Ver->MultiArch == pkgCache::Version::All)
- {
- if (colon == std::string::npos)
- Pkg = Ver.ParentPkg().Group().FindPkg(hostArch);
- else if (strcmp(D->Package.c_str() + colon, ":any") == 0)
- forbidden = "Multi-Arch: no";
- else if (strcmp(D->Package.c_str() + colon, ":native") == 0)
- Pkg = Ver.ParentPkg().Group().FindPkg("native");
- }
- else if (Ver->MultiArch == pkgCache::Version::Same)
- {
- if (colon == std::string::npos)
- Pkg = Ver.ParentPkg().Group().FindPkg(hostArch);
- else if (strcmp(D->Package.c_str() + colon, ":any") == 0)
- forbidden = "Multi-Arch: same";
- else if (strcmp(D->Package.c_str() + colon, ":native") == 0)
- Pkg = Ver.ParentPkg().Group().FindPkg("native");
- }
- else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign)
- {
- if (colon == std::string::npos)
- Pkg = Ver.ParentPkg().Group().FindPkg("native");
- else if (strcmp(D->Package.c_str() + colon, ":any") == 0 ||
- strcmp(D->Package.c_str() + colon, ":native") == 0)
- forbidden = "Multi-Arch: foreign";
- }
- else if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)
- {
- if (colon == std::string::npos)
- Pkg = Ver.ParentPkg().Group().FindPkg(hostArch);
- else if (strcmp(D->Package.c_str() + colon, ":any") == 0)
- {
- // prefer any installed over preferred non-installed architectures
- pkgCache::GrpIterator Grp = Ver.ParentPkg().Group();
- // we don't check for version here as we are better of with upgrading than remove and install
- for (Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
- if (Pkg.CurrentVer().end() == false)
- break;
- if (Pkg.end() == true)
- Pkg = Grp.FindPreferredPkg(true);
- }
- else if (strcmp(D->Package.c_str() + colon, ":native") == 0)
- Pkg = Ver.ParentPkg().Group().FindPkg("native");
- }
-
- if (forbidden.empty() == false)
- {
- if (_config->FindB("Debug::BuildDeps",false) == true)
- std::cout << D->Package.substr(colon, std::string::npos) << " is not allowed from " << forbidden << " package " << (*D).Package << " (" << Ver.VerStr() << ")" << std::endl;
- continue;
- }
-
- //we found a good version
- break;
- }
- if (Ver == verlist.end())
- {
- if (_config->FindB("Debug::BuildDeps",false) == true)
- std::cout << " No multiarch info as we have no satisfying installed nor candidate for " << D->Package << " on build or host arch" << std::endl;
-
- if (forbidden.empty() == false)
- {
- if (hasAlternatives)
- continue;
- return _error->Error(_("%s dependency for %s can't be satisfied "
- "because %s is not allowed on '%s' packages"),
- pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(),
- D->Package.c_str(), forbidden.c_str());
- }
- }
- }
- else
- Pkg = Cache->FindPkg(D->Package);
-
- if (Pkg.end() == true || (Pkg->VersionList == 0 && Pkg->ProvidesList == 0))
- {
- if (_config->FindB("Debug::BuildDeps",false) == true)
- std::cout << " (not found)" << (*D).Package << std::endl;
-
- if (hasAlternatives)
- continue;
-
- return _error->Error(_("%s dependency for %s cannot be satisfied "
- "because the package %s cannot be found"),
- pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(),
- (*D).Package.c_str());
- }
-
- pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache);
- if (IV.end() == false)
- {
- if (_config->FindB("Debug::BuildDeps",false) == true)
- std::cout << " Is installed\n";
-
- if (D->Version.empty() == true ||
- Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
- {
- skipAlternatives = hasAlternatives;
- continue;
- }
-
- if (_config->FindB("Debug::BuildDeps",false) == true)
- std::cout << " ...but the installed version doesn't meet the version requirement\n";
-
- if (((*D).Op & pkgCache::Dep::LessEq) == pkgCache::Dep::LessEq)
- return _error->Error(_("Failed to satisfy %s dependency for %s: Installed package %s is too new"),
- pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(), Pkg.FullName(true).c_str());
- }
-
- // Only consider virtual packages if there is no versioned dependency
- if ((*D).Version.empty() == true)
- {
- /*
- * If this is a virtual package, we need to check the list of
- * packages that provide it and see if any of those are
- * installed
- */
- pkgCache::PrvIterator Prv = Pkg.ProvidesList();
- for (; Prv.end() != true; ++Prv)
- {
- if (_config->FindB("Debug::BuildDeps",false) == true)
- std::cout << " Checking provider " << Prv.OwnerPkg().FullName() << std::endl;
-
- if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
- break;
- }
-
- if (Prv.end() == false)
- {
- if (_config->FindB("Debug::BuildDeps",false) == true)
- std::cout << " Is provided by installed package " << Prv.OwnerPkg().FullName() << std::endl;
- skipAlternatives = hasAlternatives;
- continue;
- }
- }
- else // versioned dependency
- {
- pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache);
- if (CV.end() == true ||
- Cache->VS().CheckDep(CV.VerStr(),(*D).Op,(*D).Version.c_str()) == false)
- {
- if (hasAlternatives)
- continue;
- else if (CV.end() == false)
- return _error->Error(_("%s dependency for %s cannot be satisfied "
- "because candidate version of package %s "
- "can't satisfy version requirements"),
- pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(),
- D->Package.c_str());
- else
- return _error->Error(_("%s dependency for %s cannot be satisfied "
- "because package %s has no candidate version"),
- pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(),
- D->Package.c_str());
- }
- }
-
- if (TryToInstallBuildDep(Pkg,Cache,Fix,false,false,false) == true)
- {
- // We successfully installed something; skip remaining alternatives
- skipAlternatives = hasAlternatives;
- if(_config->FindB("APT::Get::Build-Dep-Automatic", false) == true)
- Cache->MarkAuto(Pkg, true);
- continue;
- }
- else if (hasAlternatives)
- {
- if (_config->FindB("Debug::BuildDeps",false) == true)
- std::cout << " Unsatisfiable, trying alternatives\n";
- continue;
- }
- else
- {
- return _error->Error(_("Failed to satisfy %s dependency for %s: %s"),
- pkgSrcRecords::Parser::BuildDepType(D->Type),
- Src.c_str(),
- (*D).Package.c_str());
- }
- }
- }
-
- if (Fix.Resolve(true) == false)
- _error->Discard();
-
- // Now we check the state of the packages,
- if (Cache->BrokenCount() != 0)
- {
- ShowBroken(std::cout, Cache, false);
- return _error->Error(_("Build-dependencies for %s could not be satisfied."), Src.c_str());
- }
- return true;
-}
- /*}}}*/
projects / apt.git / blobdiff