Did you ever figured? On Saturday, May 16, 2020 at 1:38:33 AM UTC-4 Victor Stewart wrote:
> Hey having an absolutely miserable time trying to cross compile > libphonenumber, which depends on protobuf, into a static library. > > Everything compiles. But fails with undefined symbols at linking time. > > this is how I'm building protobuf, on x86 with an x86 protoc that I built > first. > > file libraries/protoc > > libraries/protoc: Mach-O 64-bit executable x86_64 > > > /////////////////////////////////////////////////////////////////// > > > export build_dir=`pwd`/cpp-build > > export darwin=darwin`uname -r` > > export protoc=/usr/local/bin/protoc > > export isysroot=`xcrun --sdk iphoneos --show-sdk-path` > > export cflags="-Wno-unused-local-typedef -Wno-unused-function -DNDEBUG -g > -O3 -pipe -fPIC -fcxx-exceptions" > > export cxxflags="$cflags -std=c++17 -stdlib=libc++" > > > mkdir -p $build_dir/arch > > mkdir -p $build_dir/lib > > > ./configure \ > > --build=x86_64-apple-$darwin \ > > --host=arm \ > > --with-protoc=$protoc \ > > --disable-shared \ > > --prefix=/usr/local \ > > "CC=clang" \ > > "CFLAGS=$cflags -miphoneos-version-min=12.0 -arch arm64 -isysroot > $isysroot" \ > > "CXX=clang" \ > > "CXXFLAGS=$cxxflags -miphoneos-version-min=12.0 -arch arm64 -isysroot > $isysroot" \ > > LDFLAGS="-arch arm64 -miphoneos-version-min=12.0 -stdlib=libc++" \ > > "LIBS=-lc++ -lc++abi" > > > make -j8 > > make install > > > /////////////////////////////////////////////////////////////////// > > > lipo -info libprotobuf.a > > Non-fat file: libprotobuf.a is architecture: arm64 > > > lipo -info Release-iphoneos/libphonenumber.a > > Non-fat file: Release-iphoneos/libphonenumber.a is architecture: arm64 > > > Undefined symbols for architecture arm64: > > "google::protobuf::internal::LogMessage::operator<<(char const*)", > referenced from: > > ____ZN13ContactReaper14gatherContactsEv_block_invoke in xxx_lto.o > > > google::protobuf::internal::ArenaStringPtr::CreateInstance(google::protobuf::Arena*, > > std::__1::basic_string<char, std::__1::char_traits<char>, > std::__1::allocator<char> > const*) in xxx_lto.o > > "google::protobuf::internal::LogMessage::~LogMessage()", referenced > from: > > ____ZN13ContactReaper14gatherContactsEv_block_invoke in xxx_lto.o > > > google::protobuf::internal::ArenaStringPtr::CreateInstance(google::protobuf::Arena*, > > std::__1::basic_string<char, std::__1::char_traits<char>, > std::__1::allocator<char> > const*) in xxx_lto.o > > "google::protobuf::internal::ReadSizeFallback(char const*, unsigned > int)", referenced from: > > i18n::phonenumbers::PhoneMetadata::_InternalParse(char const*, > google::protobuf::internal::ParseContext*) in > libphonenumber.a(phonemetadata.pb.o) > > i18n::phonenumbers::PhoneMetadataCollection::_InternalParse(char > const*, google::protobuf::internal::ParseContext*) in > libphonenumber.a(phonemetadata.pb.o) > > > etc... 41 of them. > > > been at this for 2 days, and for the life of me can't figure out how to > fix it. > > > has anyone else made it through this alive? > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to protobuf+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/protobuf/c5ae7b99-189b-460f-8df6-5992cf57f6den%40googlegroups.com.
