ENH: updated handling of debug and optimized target link libraries

This commit is contained in:
Ken Martin 2006-11-29 11:00:17 -05:00
parent e9a80cd8a9
commit daa6d2bc04
5 changed files with 113 additions and 136 deletions

View File

@ -959,26 +959,6 @@ void cmMakefile::AddLinkLibraryForTarget(const char *target,
}
}
}
// make sure the type is correct if it is currently
// general. So if you do a
// target_link_libraries(foo optimized bar) it will stay
// optimized and not use the lookup. As there maybe the
// case where someone has specifed that a library is both
// debug and optimized.
std::string linkType = lib;
linkType += "_LINK_TYPE";
const char* linkTypeString = this->GetDefinition( linkType.c_str() );
if(llt == cmTarget::GENERAL && linkTypeString)
{
if(strcmp(linkTypeString, "debug") == 0)
{
llt = cmTarget::DEBUG;
}
if(strcmp(linkTypeString, "optimized") == 0)
{
llt = cmTarget::OPTIMIZED;
}
}
i->second.AddLinkLibrary( *this, target, lib, llt );
}
else

View File

@ -500,58 +500,6 @@ void cmTarget::AddLinkLibrary(cmMakefile& mf,
this->LinkLibraries.push_back( std::pair<std::string,
cmTarget::LinkLibraryType>(lib,llt) );
if(llt != cmTarget::GENERAL)
{
// Store the library's link type in the cache. If it is a
// conflicting type then assume it is always used. This is the
// case when the user sets the cache entries for debug and
// optimized versions of the library to the same value.
std::string linkTypeName = lib;
linkTypeName += "_LINK_TYPE";
switch(llt)
{
case cmTarget::DEBUG:
{
const char* def = mf.GetDefinition(linkTypeName.c_str());
if(!def || strcmp(def, "debug") == 0)
{
mf.AddCacheDefinition(linkTypeName.c_str(),
"debug",
"Library is used for debug links only",
cmCacheManager::STATIC);
}
else
{
mf.AddCacheDefinition
(linkTypeName.c_str(), "general",
"Library is used for both debug and optimized links",
cmCacheManager::STATIC);
}
}
break;
case cmTarget::OPTIMIZED:
{
const char* def = mf.GetDefinition(linkTypeName.c_str());
if(!def || strcmp(def, "optimized") == 0)
{
mf.AddCacheDefinition
(linkTypeName.c_str(), "optimized",
"Library is used for debug links only",
cmCacheManager::STATIC);
}
else
{
mf.AddCacheDefinition
(linkTypeName.c_str(), "general",
"Library is used for both debug and optimized links",
cmCacheManager::STATIC);
}
}
break;
case cmTarget::GENERAL:
break;
}
}
// Add the explicit dependency information for this target. This is
// simply a set of libraries separated by ";". There should always
// be a trailing ";". These library names are not canonical, in that
@ -570,6 +518,19 @@ void cmTarget::AddLinkLibrary(cmMakefile& mf,
{
dependencies += old_val;
}
switch (llt)
{
case cmTarget::GENERAL:
dependencies += "general";
break;
case cmTarget::DEBUG:
dependencies += "debug";
break;
case cmTarget::OPTIMIZED:
dependencies += "optimized";
break;
}
dependencies += ";";
dependencies += lib;
dependencies += ";";
mf.AddCacheDefinition( targetEntry.c_str(), dependencies.c_str(),
@ -667,7 +628,7 @@ cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
= this->LinkLibraries.rbegin();
lib != this->LinkLibraries.rend(); ++lib)
{
this->GatherDependencies( mf, lib->first, dep_map );
this->GatherDependencies( mf, *lib, dep_map);
}
// 2. Remove any dependencies that are already satisfied in the original
@ -679,7 +640,7 @@ cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
for( LinkLibraryVectorType::iterator lib2 = lib;
lib2 != this->LinkLibraries.end(); ++lib2)
{
DeleteDependency( dep_map, lib->first, lib2->first );
this->DeleteDependency( dep_map, *lib, *lib2);
}
}
@ -687,8 +648,8 @@ cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
// 3. Create the new link line by simply emitting any dependencies that are
// missing. Start from the back and keep adding.
//
std::set<cmStdString> done, visited;
std::vector<std::string> newLinkLibraries;
std::set<DependencyMap::key_type> done, visited;
std::vector<DependencyMap::key_type> newLinkLibraries;
for(LinkLibraryVectorType::reverse_iterator lib =
this->LinkLibraries.rbegin();
lib != this->LinkLibraries.rend(); ++lib)
@ -697,47 +658,33 @@ cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
// if a variable expands to nothing.
if (lib->first.size() != 0)
{
Emit( lib->first, dep_map, done, visited, newLinkLibraries );
this->Emit( *lib, dep_map, done, visited, newLinkLibraries );
}
}
// 4. Add the new libraries to the link line.
//
for( std::vector<std::string>::reverse_iterator k =
for( std::vector<DependencyMap::key_type>::reverse_iterator k =
newLinkLibraries.rbegin();
k != newLinkLibraries.rend(); ++k )
{
std::string linkType = *k;
linkType += "_LINK_TYPE";
cmTarget::LinkLibraryType llt = cmTarget::GENERAL;
const char* linkTypeString = mf.GetDefinition( linkType.c_str() );
if(linkTypeString)
{
if(strcmp(linkTypeString, "debug") == 0)
{
llt = cmTarget::DEBUG;
}
if(strcmp(linkTypeString, "optimized") == 0)
{
llt = cmTarget::OPTIMIZED;
}
}
this->LinkLibraries.push_back( std::make_pair(*k,llt) );
// get the llt from the dep_map
this->LinkLibraries.push_back( std::make_pair(k->first,k->second) );
}
this->LinkLibrariesAnalyzed = true;
}
void cmTarget::InsertDependency( DependencyMap& depMap,
const cmStdString& lib,
const cmStdString& dep )
const LibraryID& lib,
const LibraryID& dep)
{
depMap[lib].push_back(dep);
}
void cmTarget::DeleteDependency( DependencyMap& depMap,
const cmStdString& lib,
const cmStdString& dep )
const LibraryID& lib,
const LibraryID& dep)
{
// Make sure there is an entry in the map for lib. If so, delete all
// dependencies to dep. There may be repeated entries because of
@ -755,11 +702,11 @@ void cmTarget::DeleteDependency( DependencyMap& depMap,
}
}
void cmTarget::Emit( const std::string& lib,
const DependencyMap& dep_map,
std::set<cmStdString>& emitted,
std::set<cmStdString>& visited,
std::vector<std::string>& link_line )
void cmTarget::Emit(const LibraryID lib,
const DependencyMap& dep_map,
std::set<LibraryID>& emitted,
std::set<LibraryID>& visited,
DependencyList& link_line )
{
// It's already been emitted
if( emitted.find(lib) != emitted.end() )
@ -790,7 +737,7 @@ void cmTarget::Emit( const std::string& lib,
// recursive call. This way, if we come across a library that
// has already been emitted, we repeat it iff it has been
// emitted here.
std::set<cmStdString> emitted_here;
std::set<DependencyMap::key_type> emitted_here;
for( i = dep_on.rbegin(); i != dep_on.rend(); ++i )
{
if( emitted_here.find(*i) != emitted_here.end() )
@ -819,8 +766,8 @@ void cmTarget::Emit( const std::string& lib,
void cmTarget::GatherDependencies( const cmMakefile& mf,
const std::string& lib,
DependencyMap& dep_map )
const LibraryID& lib,
DependencyMap& dep_map)
{
// If the library is already in the dependency map, then it has
// already been fully processed.
@ -829,7 +776,7 @@ void cmTarget::GatherDependencies( const cmMakefile& mf,
return;
}
const char* deps = mf.GetDefinition( (lib+"_LIB_DEPENDS").c_str() );
const char* deps = mf.GetDefinition( (lib.first+"_LIB_DEPENDS").c_str() );
if( deps && strcmp(deps,"") != 0 )
{
// Make sure this library is in the map, even if it has an empty
@ -837,8 +784,9 @@ void cmTarget::GatherDependencies( const cmMakefile& mf,
// no dependencies with that of unspecified dependencies.
dep_map[lib];
// Parse the dependency information, which is simply a set of
// libraries separated by ";". There is always a trailing ";".
// Parse the dependency information, which is a set of
// type, library pairs separated by ";". There is always a trailing ";".
cmTarget::LinkLibraryType llt = cmTarget::GENERAL;
std::string depline = deps;
std::string::size_type start = 0;
std::string::size_type end;
@ -848,13 +796,31 @@ void cmTarget::GatherDependencies( const cmMakefile& mf,
std::string l = depline.substr( start, end-start );
if( l.size() != 0 )
{
InsertDependency( dep_map, lib, l );
GatherDependencies( mf, l, dep_map );
if (l == "debug")
{
llt = cmTarget::DEBUG;
}
else if (l == "optimized")
{
llt = cmTarget::OPTIMIZED;
}
else if (l == "general")
{
llt = cmTarget::GENERAL;
}
else
{
LibraryID lib2(l,llt);
this->InsertDependency( dep_map, lib, lib2);
this->GatherDependencies( mf, lib2, dep_map);
llt = cmTarget::GENERAL;
}
}
start = end+1; // skip the ;
end = depline.find( ";", start );
}
DeleteDependency( dep_map, lib, lib); // cannot depend on itself
// cannot depend on itself
this->DeleteDependency( dep_map, lib, lib);
}
}

View File

@ -95,8 +95,10 @@ public:
*/
enum LinkLibraryType {GENERAL, DEBUG, OPTIMIZED};
typedef std::vector<std::pair<std::string,LinkLibraryType> >
LinkLibraryVectorType;
//* how we identify a library, by name and type
typedef std::pair<cmStdString, LinkLibraryType> LibraryID;
typedef std::vector<LibraryID > LinkLibraryVectorType;
const LinkLibraryVectorType &GetLinkLibraries() {
return this->LinkLibraries;}
const LinkLibraryVectorType &GetOriginalLinkLibraries()
@ -251,7 +253,7 @@ private:
/**
* A list of direct dependencies. Use in conjunction with DependencyMap.
*/
typedef std::vector<cmStdString> DependencyList;
typedef std::vector< LibraryID > DependencyList;
/**
* This map holds the dependency graph. map[x] returns a set of
@ -259,27 +261,21 @@ private:
* ordered. This is necessary to handle direct dependencies that
* themselves have no dependency information.
*/
typedef std::map< cmStdString, std::vector< cmStdString > > DependencyMap;
/**
* Maps a library name to its internal structure
*/
typedef std::map< cmStdString, std::pair<cmStdString,LinkLibraryType> >
LibTypeMap;
typedef std::map< LibraryID, DependencyList > DependencyMap;
/**
* Inserts \a dep at the end of the dependency list of \a lib.
*/
void InsertDependency( DependencyMap& depMap,
const cmStdString& lib,
const cmStdString& dep );
const LibraryID& lib,
const LibraryID& dep);
/*
* Deletes \a dep from the dependency list of \a lib.
*/
void DeleteDependency( DependencyMap& depMap,
const cmStdString& lib,
const cmStdString& dep );
const LibraryID& lib,
const LibraryID& dep);
/**
* Emits the library \a lib and all its dependencies into link_line.
@ -289,18 +285,19 @@ private:
* link_line is in reverse order, in that the dependencies of a
* library are listed before the library itself.
*/
void Emit( const std::string& lib,
void Emit( const LibraryID lib,
const DependencyMap& dep_map,
std::set<cmStdString>& emitted,
std::set<cmStdString>& visited,
std::vector<std::string>& link_line );
std::set<LibraryID>& emitted,
std::set<LibraryID>& visited,
DependencyList& link_line);
/**
* Finds the dependencies for \a lib and inserts them into \a
* dep_map.
*/
void GatherDependencies( const cmMakefile& mf, const std::string& lib,
DependencyMap& dep_map );
void GatherDependencies( const cmMakefile& mf,
const LibraryID& lib,
DependencyMap& dep_map);
const char* GetSuffixVariableInternal(TargetType type, bool implib);
const char* GetPrefixVariableInternal(TargetType type, bool implib);

View File

@ -62,10 +62,43 @@ bool cmTargetLinkLibrariesCommand::InitialPass(std::vector<std::string>
this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),i->c_str(),
cmTarget::OPTIMIZED);
}
else if (*i == "general")
{
++i;
if(i == args.end())
{
this->SetError(
"The \"general\" argument must be followed by a library");
return false;
}
this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),i->c_str(),
cmTarget::GENERAL);
}
else
{
this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),i->c_str(),
cmTarget::GENERAL);
// make sure the type is correct if it is currently general. So if you
// do a target_link_libraries(foo optimized bar) it will stay optimized
// and not use the lookup. As there maybe the case where someone has
// specifed that a library is both debug and optimized. (this check is
// only there for backwards compatibility when mixing projects built
// with old versions of CMake and new)
cmTarget::LinkLibraryType llt = cmTarget::GENERAL;
std::string linkType = args[0];
linkType += "_LINK_TYPE";
const char* linkTypeString =
this->Makefile->GetDefinition( linkType.c_str() );
if(linkTypeString)
{
if(strcmp(linkTypeString, "debug") == 0)
{
llt = cmTarget::DEBUG;
}
if(strcmp(linkTypeString, "optimized") == 0)
{
llt = cmTarget::OPTIMIZED;
}
}
this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),i->c_str(),llt);
}
}
return true;

View File

@ -64,12 +64,13 @@ public:
{
return
" TARGET_LINK_LIBRARIES(target library1\n"
" <debug | optimized> library2\n"
" <debug | optimized | general> library2\n"
" ...)\n"
"Specify a list of libraries to be linked into the specified target. "
"The debug and optimized strings may be used to indicate that "
"the next library listed is to be used only for that specific "
"type of build";
"type of build. general indicates it is used for all build types "
"and is assumed if not specified.";
}
cmTypeMacro(cmTargetLinkLibrariesCommand, cmCommand);