Hello,
I am working on a library where I would use protobuf.
I need to link it statically. The target platform is macOS.
The usual way of fetching dependencies (brew install protobuf) is no go, as
it comes only with shared libraries.
I tried forcing homebrew to rebuild protobuf (brew install protobuf
--build-from-source) but it fails as some tests are not passing (logs [1]
at the end of this message).
I fetched the source code (27.3) release from github, run
bazel build :portico :protobuf
inside the source directory, but while it compiles protoc compiler, there's
no CMake/protobuf-lite library in the output.
Apparently the runtime is based on CMake, so I run
cmake -S . -B build -Dprotobuf_BUILD_TESTS=OFF -DCMAKE_CXX_STANDARD=17
-Dprotobuf_ABSL_PROVIDER=package -Dprotobuf_JSONCPP_PROVIDER=package
and then issued compilation in build/ dir, and yay, it compiled protobuf.
However, when I added the build/cmake to CMAKE_PREFIX_PATH it complains
about missing build/cmake/protobuf/protobuf-targets.cmake
So I tried adding the repository as git submodule, and adding it via
add_subdirectory CMake command, then it fails with
CMake Error: install(EXPORT "protobuf-targets" ...) includes target
"libprotobuf-lite" which requires target "absl_absl_check" that is not in
any export set.
CMake Error: install(EXPORT "protobuf-targets" ...) includes target
"libprotobuf-lite" which requires target "absl_absl_log" that is not in any
export set.
CMake Error: install(EXPORT "protobuf-targets" ...) includes target
"libprotobuf-lite" which requires target "absl_algorithm" that is not in
any export set.
CMake Error: install(EXPORT "protobuf-targets" ...) includes target
"libprotobuf-lite" which requires target "absl_base" that is not in any
export set.
...
abseil is added as add_subdirectory as well.
I run into conclusion that I must be doing something fundamentally wrong,
as I don't expect such popular piece of code to be so hard to integrate.
Any suggestions on how to properly embed protobuf within such a project?
Thanks in advance,
Marcin
[1] Failed tests:
2: [ RUN ] TextFormatParserTest.ParseFieldValueFromString
2: E0000 00:00:1723926116.158054 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected integer, got: a
2: E0000 00:00:1723926116.158063 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Integer out of range
(999999999999999999999999999999999999)
2: E0000 00:00:1723926116.158079 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected integer, got: a
2: E0000 00:00:1723926116.158082 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Integer out of range
(999999999999999999999999999999999999)
2: E0000 00:00:1723926116.158084 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected integer, got: -
2: E0000 00:00:1723926116.158085 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected integer, got: a
2: E0000 00:00:1723926116.158087 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Integer out of range
(999999999999999999999999999999999999)
2: E0000 00:00:1723926116.158089 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected integer, got: -
2: E0000 00:00:1723926116.158090 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected integer, got: a
2: E0000 00:00:1723926116.158092 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Integer out of range
(999999999999999999999999999999999999)
2: E0000 00:00:1723926116.158094 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected integer, got: -
2: E0000 00:00:1723926116.158095 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected integer, got: a
2: E0000 00:00:1723926116.158097 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Integer out of range
(999999999999999999999999999999999999)
2: E0000 00:00:1723926116.158101 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:5: Invalid value for boolean
field "optional_bool". Value: "tRue".
2: E0000 00:00:1723926116.158106 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:6: Invalid value for boolean
field "optional_bool". Value: "faLse".
2: E0000 00:00:1723926116.158108 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Integer out of range (2)
2: E0000 00:00:1723926116.158109 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected identifier, got: -
2: E0000 00:00:1723926116.158111 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:3: Invalid value for boolean
field "optional_bool". Value: "on".
2: E0000 00:00:1723926116.158113 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:2: Invalid value for boolean
field "optional_bool". Value: "a".
2: E0000 00:00:1723926116.158130 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected double, got: a
2: E0000 00:00:1723926116.158132 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected double, got: a
2: E0000 00:00:1723926116.158134 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expect a decimal number,
got: 0xf
2: E0000 00:00:1723926116.158136 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expect a decimal number,
got: 012
2: E0000 00:00:1723926116.158138 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected string, got: hello
2: E0000 00:00:1723926116.158141 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:7: Unknown enumeration value
of "FOOBAR" for field "optional_nested_enum".
2: E0000 00:00:1723926116.158143 5519321 text_format.cc:417] Error parsing
text-format protobuf_unittest.TestAllTypes: 1:1: Expected "{", found "any".
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