// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: apt-get.cc,v 1.142 2003/09/19 03:10:01 mdz Exp $
+// $Id: apt-get.cc,v 1.145 2003/11/10 07:09:53 mdz Exp $
/* ######################################################################
apt-get - Cover for dpkg
if (int(RecommendsList.find(target)) > -1)
break;
RecommendsList += target;
- SuggestsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
+ RecommendsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
}
if (Start == End)
break;
rec.Package = Opts->Value;
rec.Type = pkgSrcRecords::Parser::BuildDependIndep;
rec.Op = 0;
- BuildDeps.insert(BuildDeps.begin(), rec);
+ BuildDeps.push_back(rec);
}
if (BuildDeps.size() == 0)
unsigned int ExpectedInst = 0;
vector <pkgSrcRecords::Parser::BuildDepRec>::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 (!hasAlternatives)
+ skipAlternatives = false; // end of or group
+ continue;
+ }
+
if ((*D).Type == pkgSrcRecords::Parser::BuildConflict ||
(*D).Type == pkgSrcRecords::Parser::BuildConflictIndep)
{
else // BuildDep || BuildDepIndep
{
pkgCache::PkgIterator Pkg = Cache->FindPkg((*D).Package);
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << "Looking for " << (*D).Package << "...\n";
+
if (Pkg.end() == true)
{
- // Check if there are any alternatives
- if (((*D).Op & pkgCache::Dep::Or) != pkgCache::Dep::Or)
- return _error->Error(_("%s dependency for %s cannot be satisfied "
- "because the package %s cannot be found"),
- Last->BuildDepType((*D).Type),Src.c_str(),
- (*D).Package.c_str());
- // Try the next alternative
- continue;
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " (not found)" << (*D).Package << endl;
+
+ if (hasAlternatives)
+ continue;
+
+ return _error->Error(_("%s dependency for %s cannot be satisfied "
+ "because the package %s cannot be found"),
+ Last->BuildDepType((*D).Type),Src.c_str(),
+ (*D).Package.c_str());
}
/*
* this would require we do a Resolve cycle for each package we
* add to the install list. Ugh
*/
- while (D != BuildDeps.end() &&
- (((*D).Op & pkgCache::Dep::Or) == pkgCache::Dep::Or))
- D++;
/*
* If this is a virtual package, we need to check the list of
* installed
*/
pkgCache::PrvIterator Prv = Pkg.ProvidesList();
- bool providedBySomething = !Prv.end();
for (; Prv.end() != true; Prv++)
{
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Checking provider " << Prv.OwnerPkg().Name() << endl;
+
if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
break;
}
// Get installed version and version we are going to install
pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache);
- if (!providedBySomething || (*D).Version[0] != '\0') {
- /* We either have a versioned dependency (so a provides won't do)
- or nothing is providing this package */
+ if ((*D).Version[0] != '\0') {
+ // Versioned dependency
pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache);
break;
}
if (CV.end() == true)
+ if (hasAlternatives)
+ {
+ continue;
+ }
+ else
+ {
return _error->Error(_("%s dependency for %s cannot be satisfied "
"because no available versions of package %s "
"can satisfy version requirements"),
Last->BuildDepType((*D).Type),Src.c_str(),
(*D).Package.c_str());
+ }
+ }
+ else
+ {
+ // Only consider virtual packages if there is no versioned dependency
+ if (Prv.end() == false)
+ {
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Is provided by installed package " << Prv.OwnerPkg().Name() << endl;
+ skipAlternatives = hasAlternatives;
+ continue;
+ }
}
- /*
- * TODO: if we depend on a version lower than what we already have
- * installed it is not clear what should be done; in practice
- * this case should be rare, and right now nothing is
- * done about it :-(
- */
- if (Prv.end() == true && // Nothing provides it; and
- (IV.end() == true || // It is not installed, or
- Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == false))
- // the version installed doesn't
- // satisfy constraints
- TryToInstall(Pkg,Cache,Fix,false,false,ExpectedInst);
+ if (IV.end() == false)
+ {
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Is installed\n";
+
+ if (Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
+ {
+ skipAlternatives = hasAlternatives;
+ continue;
+ }
+
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ 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"),
+ Last->BuildDepType((*D).Type),
+ Src.c_str(),
+ Pkg.Name());
+ }
+ }
+
+
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Trying to install " << (*D).Package << endl;
+
+ if (TryToInstall(Pkg,Cache,Fix,false,false,ExpectedInst) == true)
+ {
+ // We successfully installed something; skip remaining alternatives
+ skipAlternatives = hasAlternatives;
+ continue;
+ }
+ else if (hasAlternatives)
+ {
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Unsatisfiable, trying alternatives\n";
+ continue;
+ }
+ else
+ {
+ return _error->Error(_("Failed to satisfy %s dependency for %s: %s"),
+ Last->BuildDepType((*D).Type),
+ Src.c_str(),
+ (*D).Package.c_str());
+ }
}
}
// Now we check the state of the packages,
if (Cache->BrokenCount() != 0)
- return _error->Error(_("Some broken packages were found while trying to process build-dependencies.\n"
- "You might want to run `apt-get -f install' to correct these."));
+ return _error->Error(_("Some broken packages were found while trying to process build-dependencies for %s.\n"
+ "You might want to run `apt-get -f install' to correct these."),*I);
}
if (InstallPackages(Cache, false, true) == false)
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