+acozzette The js_embed binary was added very recently. The cross-build support for that binary is missing at the moment. As a temporary solution, you can use this version of protobuf (which doesn't have the js_embed binary): https://github.com/google/protobuf/releases/tag/v3.1.0
On Wed, Dec 28, 2016 at 11:57 PM, Maxx Becker <[email protected]> wrote: > I'm a newbie, but I have successfully built the protocol buffers sources > (version 3.1.0) on Ubuntu 14.04 x86_64 and installed, as per > https://github.com/google/protobuf/blob/master/src/README.md > I am now attempting to cross-compile to an ARM target, using the > cross-compiling info from the README above and the following as references: > https://groups.google.com/forum/#!topic/protobuf/ZWuTzg-N0E0 > After running 'make clean' and re-configuring to use the > arm-linux-gnueabihf compilers and the previously installed x64 protoc, I > encounter a error that indicates it is attempting to use the js_embed > binary built for ARM in the process. > Relevant info as follows: > > $ which protoc js_embed > /usr/bin/protoc > /usr/bin/js_embed > > $ file /usr/bin/protoc /usr/bin/js_embed > /usr/bin/protoc: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), > dynamically linked (uses shared libs), for GNU/Linux 2.6.24, BuildID[sha1]= > 637edeade5ad13f462551a45ae1285e55a2a1f3c, not stripped > /usr/bin/js_embed: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), > dynamically linked (uses shared libs), for GNU/Linux 2.6.24, BuildID[sha1]= > e49255de4711facf660f838ad7bad9b01525cf12, not stripped > > $ arm-linux-gnueabihf-gcc --version > arm-linux-gnueabihf-gcc (Ubuntu/Linaro 4.8.4-2ubuntu1~14.04.1) 4.8.4 > $ arm-linux-gnueabihf-g++ --version > arm-linux-gnueabihf-g++ (Ubuntu/Linaro 4.8.4-2ubuntu1~14.04.1) 4.8.4 > > $ g++ --version > g++ (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4 > $ gcc --version > gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4 > > $ make clean > $ ./configure --host=arm-linux-gnueabihf CC=arm-linux-gnueabihf-gcc > CXX=arm-linux-gnueabihf-g++ --with-protoc=/usr/bin/protoc > --prefix=/programs/protobuf > (Can post output if desired) > > $ make > make all-recursive > make[1]: Entering directory `/storage/tools/protobuf' > Making all in . > make[2]: Entering directory `/storage/tools/protobuf' > make[2]: Leaving directory `/storage/tools/protobuf' > Making all in src > make[2]: Entering directory `/storage/tools/protobuf/src' > /usr/bin/protoc -I. --cpp_out=. google/protobuf/any_test.proto > google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto > google/protobuf/map_lite_unittest.proto > google/protobuf/map_proto2_unittest.proto > google/protobuf/map_unittest.proto google/protobuf/unittest_arena.proto > google/protobuf/unittest_custom_options.proto > google/protobuf/unittest_drop_unknown_fields.proto > google/protobuf/unittest_embed_optimize_for.proto > google/protobuf/unittest_empty.proto > google/protobuf/unittest_enormous_descriptor.proto > google/protobuf/unittest_import_lite.proto > google/protobuf/unittest_import.proto > google/protobuf/unittest_import_public_lite.proto > google/protobuf/unittest_import_public.proto > google/protobuf/unittest_lite_imports_nonlite.proto > google/protobuf/unittest_lite.proto google/protobuf/unittest_mset.proto > google/protobuf/unittest_mset_wire_format.proto > google/protobuf/unittest_no_arena_lite.proto > google/protobuf/unittest_no_arena_import.proto > google/protobuf/unittest_no_arena.proto > google/protobuf/unittest_no_field_presence.proto > google/protobuf/unittest_no_generic_services.proto > google/protobuf/unittest_optimize_for.proto > google/protobuf/unittest_preserve_unknown_enum2.proto > google/protobuf/unittest_preserve_unknown_enum.proto > google/protobuf/unittest.proto google/protobuf/unittest_proto3_arena.proto > google/protobuf/unittest_proto3_arena_lite.proto > google/protobuf/unittest_proto3_lite.proto > google/protobuf/unittest_well_known_types.proto > google/protobuf/util/internal/testdata/anys.proto > google/protobuf/util/internal/testdata/books.proto > google/protobuf/util/internal/testdata/default_value.proto > google/protobuf/util/internal/testdata/default_value_test.proto > google/protobuf/util/internal/testdata/field_mask.proto > google/protobuf/util/internal/testdata/maps.proto > google/protobuf/util/internal/testdata/oneofs.proto > google/protobuf/util/internal/testdata/proto3.proto > google/protobuf/util/internal/testdata/struct.proto > google/protobuf/util/internal/testdata/timestamp_duration.proto > google/protobuf/util/internal/testdata/wrappers.proto > google/protobuf/util/json_format_proto3.proto > google/protobuf/util/message_differencer_unittest.proto > google/protobuf/compiler/cpp/cpp_test_large_enum_value.proto > touch unittest_proto_middleman > depbase=`echo google/protobuf/compiler/js/embed.o | sed > 's|[^/]*$|.deps/&|;s|\.o$||'`;\ > arm-linux-gnueabihf-g++ -std=c++11 -DHAVE_CONFIG_H -I. -I.. -pthread > -DHAVE_PTHREAD=1 -Wall -Wno-sign-compare -O2 -g -DNDEBUG -MT > google/protobuf/compiler/js/embed.o -MD -MP -MF $depbase.Tpo -c -o > google/protobuf/compiler/js/embed.o google/protobuf/compiler/js/embed.cc > &&\ > mv -f $depbase.Tpo $depbase.Po > /bin/bash ../libtool --tag=CXX --mode=link arm-linux-gnueabihf-g++ > -std=c++11 -pthread -DHAVE_PTHREAD=1 -Wall -Wno-sign-compare -O2 -g > -DNDEBUG -pthread -o js_embed google/protobuf/compiler/js/embed.o > libtool: link: arm-linux-gnueabihf-g++ -std=c++11 -pthread > -DHAVE_PTHREAD=1 -Wall -Wno-sign-compare -O2 -g -DNDEBUG -pthread -o > js_embed google/protobuf/compiler/js/embed.o -pthread > oldpwd=`pwd` && cd . && \ > $oldpwd/js_embed google/protobuf/compiler/js/well_known_types/any.js > google/protobuf/compiler/js/well_known_types/struct.js > google/protobuf/compiler/js/well_known_types/timestamp.js > > $oldpwd/google/protobuf/compiler/js/well_known_types_embed.cc > */bin/bash: line 1: /tools/protobuf/src/js_embed: cannot execute binary > file: Exec format error* > make[2]: *** [google/protobuf/compiler/js/well_known_types_embed.cc] > Error 126 > make[2]: Leaving directory `/storage/tools/protobuf/src' > make[1]: *** [all-recursive] Error 1 > make[1]: Leaving directory `/storage/tools/protobuf' > make: *** [all] Error 2 > > $ file src/js_embed > src/js_embed: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), > dynamically linked (uses shared libs), for GNU/Linux 2.6.32, BuildID[sha1]= > 74fb68528ae9db46637e1570eeda640ae9f318f1, not stripped > > It's unclear how I can direct the compilation process to use the js_embed > binary in /usr/bin, instead of the js_embed binary it builds for ARM. Any > help or direction is appreciated. Thanks! > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/protobuf. > For more options, visit https://groups.google.com/d/optout. > -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout.
