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Add build instructions to the

Neal H. Walfield 1 month ago
1 changed files with 49 additions and 1 deletions
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This implements the [p≡p Engine]'s [cryptotech] interface using [Sequoia].
This library provides an implementation of the [p≡p Engine]'s
[cryptotech] interface using [Sequoia].
[p≡p Engine]:
You need at least version 1.48 of `rustc` and `cargo`.
You can build this library as follows:
$ git clone
$ cd pEpEngineSequoiaBackend
$ mkdir -p /tmp/pep_engine_sequoia_backend
$ CARGO_TARGET_DIR=/tmp/pep_engine_sequoia_backend cargo build # Add --release for a release build
$ CARGO_TARGET_DIR=/tmp/pep_engine_sequoia_backend cargo test
This will generate, among others
This can be used to easily link to the library *in place*. That is,
no installation is required.
Hence to build and test the engine, we can do:
$ cd ~/src/pEpEngine
$ export PKG_CONFIG_PATH=/tmp/pep_engine_sequoia_backend/debug${PKG_CONFIG_PATH+:$PKG_CONFIG_PATH}
$ make
$ LD_LIBRARY_PATH=$(for p in $(pkg-config pep_engine_sequoia_backend --libs-only-L); do echo ${p#-L}; done | paste -sd ':')${LD_LIBRARY_PATH+:$LD_LIBRARY_PATH} RUST_BACKTRACE=1 make -C test test
Of course when installing the engine, we'll need to distribute the
generated library.
Note: when profiling the library (or doing a release), be sure to
build in release mode! That is, build the library with `cargo build
--release` and replace `debug` with `release` in the second set of
When built in debug mode, the library always generates trace output.
If you encounter problems in release mode, you can get a trace of the
library's execution by setting the `PEP_TRACE` environment
variable. For example:
$ cd ~/src/pEpEngine/test
$ PKG_CONFIG_PATH=/tmp/pep_engine_sequoia_backend/debug${PKG_CONFIG_PATH+:$PKG_CONFIG_PATH} LD_LIBRARY_PATH=$(for p in $(pkg-config pep_engine_sequoia_backend --libs-only-L); do echo ${p#-L}; done | paste -sd ':')${LD_LIBRARY_PATH+:$LD_LIBRARY_PATH} PEP_TRACE=1 ./EngineTests -- --gtest_filter=DeleteKeyTest.check_delete_single_pubkey