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Diffstat (limited to 'src')
| -rw-r--r-- | src/device_trezor/README.md | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/device_trezor/README.md b/src/device_trezor/README.md index ce08c0009..dede853ae 100644 --- a/src/device_trezor/README.md +++ b/src/device_trezor/README.md @@ -15,19 +15,29 @@ Please, refer to [monero readme](https://github.com/trezor/trezor-firmware/blob/ ## Dependencies -Trezor uses [Protobuf](https://protobuf.dev/) library. As Monero is compiled with C++14, the newest Protobuf library version cannot be compiled because it requires C++17 (through its dependency Abseil library). -This can result in a compilation failure. +Trezor uses [Protobuf](https://protobuf.dev/) library. Monero is now compiled with C++ 17 by default. +Protobuf v21 is tested, older versions are not guaranteed to work. Note that Protobuf v23+ requires C++ 17. -Protobuf v21 is the latest compatible protobuf version. +If you are getting Trezor compilation errors, it may be caused by abseil (protobuf dependency) not being compiled with C++17. +To fix this try installing protobuf from sources: -If you want to compile Monero with Trezor support, please make sure the Protobuf v21 is installed. +```shell +git clone --recursive git@github.com:protocolbuffers/protobuf.git +cd protobuf +cmake -DABSL_PROPAGATE_CXX_STD=TRUE -DCMAKE_CXX_STANDARD=17 -Dprotobuf_BUILD_SHARED_LIBS=ON -Dprotobuf_BUILD_TESTS=OFF . +cmake --build . +sudo make install +``` + +If Monero is compiled with C++14, Protobuf v21 is the latest compatible protobuf version for C++ 14. +If you want to compile Monero with Trezor support with C++14, please make sure the Protobuf v21 is installed. More about this limitation: [PR #8752](https://github.com/monero-project/monero/pull/8752), [1](https://github.com/monero-project/monero/pull/8752#discussion_r1246174755), [2](https://github.com/monero-project/monero/pull/8752#discussion_r1246480393) ### OSX -To build with installed, but not linked protobuf: +To build with installed, but not linked Protobuf v21: ```bash CMAKE_PREFIX_PATH=$(find /opt/homebrew/Cellar/protobuf@21 -maxdepth 1 -type d -name "21.*" -print -quit) \ @@ -53,7 +63,7 @@ pacman --noconfirm -U mingw-w64-x86_64-protobuf-c-1.4.1-1-any.pkg.tar.zst mingw- ### Other systems -- install protobufv21 +- install Protobuf v21 - point `CMAKE_PREFIX_PATH` environment variable to Protobuf v21 installation. ## Troubleshooting |