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la liaison avec clang ++ sur OS X génère de nombreuses erreurs de symbole non trouvé

J'essaie de compiler du code C++ (y compris des fonctionnalités C++ 11) sous OS X 10.8 à l'aide du compilateur clang ++. J'ai un fichier makefile qui génère les fichiers objets OK, puis sur la commande:

clang++  -o Analysis.so -shared DataFile.o CR39DataFile.o

J'ai des tonnes d'erreurs sur les symboles non trouvés pour l'architecture x86_64. Le code fonctionne bien sur un système * nix utilisant g ++ et modifiant les indicateurs du compilateur de manière appropriée pour la prise en charge de C++ 11. Pour compiler le fichier * .o, je le fais comme suit:

clang++ -c -Wall -std=c++11 -stdlib=libc++ -I../src ../src/DataFile.cc

Edit: le résultat de la commande de liaison est:

clang++  -o Analysis.so -shared DataFile.o CR39DataFile.o
Undefined symbols for architecture x86_64:
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::find(char const*, unsigned long, unsigned long) const", referenced from:
CR39DataFile::read_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::find(char, unsigned long) const", referenced from:
CR39DataFile::trim(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::compare(char const*) const", referenced from:
CR39DataFile::read_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
"std::__1::__vector_base_common<true>::__throw_length_error() const", referenced from:
std::__1::vector<frame*, std::__1::allocator<frame*> >::__append(unsigned long) in CR39DataFile.o
std::__1::vector<std::__1::vector<frame*, std::__1::allocator<frame*> >*, std::__1::allocator<std::__1::vector<frame*, std::__1::allocator<frame*> >*> >::__append(unsigned long) in CR39DataFile.o
"std::__1::__vector_base_common<true>::__throw_out_of_range() const", referenced from:
std::__1::vector<std::__1::vector<frame*, std::__1::allocator<frame*> >*, std::__1::allocator<std::__1::vector<frame*, std::__1::allocator<frame*> >*> >::at(unsigned long) in CR39DataFile.o
std::__1::vector<frame*, std::__1::allocator<frame*> >::at(unsigned long) in CR39DataFile.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::erase(unsigned long, unsigned long)", referenced from:
CR39DataFile::trim(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::assign(char const*)", referenced from:
CR39DataFile::CR39DataFile() in CR39DataFile.o
CR39DataFile::clear() in CR39DataFile.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::insert(unsigned long, unsigned long, char)", referenced from:
CR39DataFile::read_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::resize(unsigned long, char)", referenced from:
CR39DataFile::read_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::reserve(unsigned long)", referenced from:
CR39DataFile::read_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::basic_string(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
DataFile::read(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) in DataFile.o
DataFile::write(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) in DataFile.o
std::__1::thread::thread<bool (DataFile::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >), DataFile*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, void>(bool (DataFile::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >)&&, DataFile*&&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&&&) in DataFile.o
CR39DataFile::read_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
CR39DataFile::write_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
CR39DataFile::write_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, float, float, float, float, float, float, float, float, float, float) in CR39DataFile.o
CR39DataFile::write_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, float, float, float, float, float, float) in CR39DataFile.o
...
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::basic_string(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, unsigned long, unsigned long, std::__1::allocator<char> const&)", referenced from:
CR39DataFile::read_thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::~basic_string()", referenced from:
DataFile::~DataFile() in DataFile.o
DataFile::read(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) in DataFile.o
DataFile::write(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) in DataFile.o
std::__1::thread::thread<bool (DataFile::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >), DataFile*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, void>(bool (DataFile::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >)&&, DataFile*&&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&&&) in DataFile.o
void* std::__1::__thread_proxy<std::__1::Tuple<bool (DataFile::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >), DataFile*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >(void*) in DataFile.o
std::__1::__Tuple_leaf<2ul, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, false>::~__Tuple_leaf() in DataFile.o
CR39DataFile::CR39DataFile() in CR39DataFile.o
...
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::operator=(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)", referenced from:
CR39DataFile::set_file_path(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
CR39DataFile::set_file_auxpath(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in CR39DataFile.o
"std::__1::__thread_struct::__thread_struct()", referenced from:
void* std::__1::__thread_proxy<std::__1::Tuple<bool (DataFile::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >), DataFile*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >(void*) in DataFile.o
"std::__1::__thread_struct::~__thread_struct()", referenced from:
std::__1::__thread_specific_ptr<std::__1::__thread_struct>::reset(std::__1::__thread_struct*) in DataFile.o
"std::__1::__thread_local_data()", referenced from:
void* std::__1::__thread_proxy<std::__1::Tuple<bool (DataFile::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >), DataFile*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >(void*) in DataFile.o
"std::__1::__throw_system_error(int, char const*)", referenced from:
std::__1::thread::thread<bool (DataFile::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >), DataFile*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, void>(bool (DataFile::*)(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >)&&, DataFile*&&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&&&) in DataFile.o
"std::__1::thread::~thread()", referenced from:
DataFile::cleanup_file_io() in DataFile.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [Analysis.so] Error 1
c++macosclangclang++
26
Alex Z

Je soupçonne que ce problème est dû aux deux bibliothèques d'exécution C++ disponibles sous OS X. Utilisez les éléments suivants pour lier la bibliothèque dynamique:

clang++ -stdlib=libc++ -o Analysis.dylib -shared DataFile.o CR39DataFile.o

(le -stdlib=libc++ étant la différence clé). Je pense que le runtime C++ par défaut est l'implémentation GNU qui confond l'éditeur de liens lors de la compilation avec l'implémentation libc ++.

29
trojanfoe

En guise de remarque, face au même message d'erreur, j'ai découvert que je devais utiliser gcc -lstdc++ -lLibraryName ... (la partie stdc ++ étant nécessaire).

Voir aussi https://github.com/JonathanSalwan/Triton/issues/243

0
rogerdpack