Opened 7 years ago
Last modified 3 years ago
#55733 accepted defect
lz4 fails to build on Snow Leopard — at Initial Version
Reported by: | grumpybozo (Bill Cole) | Owned by: | |
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Priority: | Normal | Milestone: | |
Component: | ports | Version: | 2.4.2 |
Keywords: | Cc: | ||
Port: | lz4 |
Description
Errors are typical of missing C++11 support, even on a system where libcxx is installed and the procedure at https://trac.macports.org/wiki/LibcxxOnOlderSystems has been followed. A snippet:
make[1]: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_archivers_lz4/lz4/work/lz4-1.8.1.2/contrib/gen_manual' /opt/local/bin/clang++-mp-5.0 -arch i386 -O3 -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow -Wstrict-aliasing=1 -Wswitch-enum -Wno-comment gen_manual.cpp -o gen_manual Undefined symbols for architecture i386: "std::ctype<char>::_M_widen_init() const", referenced from: print_line(std::__cxx11::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) in gen_manual-327bb0.o _main in gen_manual-327bb0.o "std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::find_last_not_of(char const*, unsigned long, unsigned long) const", referenced from: trim(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) in gen_manual-327bb0.o "std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::find_first_not_of(char const*, unsigned long, unsigned long) const", referenced from: trim(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) in gen_manual-327bb0.o "std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::find(char const*, unsigned long, unsigned long) const", referenced from:
This is solved by adding these lines to the Portfile:
depends_lib-append lib:libc++.1:libcxx configure.cxxflags -stdlib=libc++ configure.cxx clang++ -stdlib=libc++
Change History (1)
Changed 7 years ago by grumpybozo (Bill Cole)
Attachment: | lz4.Portfile.patch added |
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Portfile patch for lz4 to add libc++ dependency