Osiris Pedroso <[email protected]> writes: > Hello ZMQers, > > I am starting a new job where we use Rust as the main language. > I am preparing myself by learning Rust the language and I would like to > write some ZMQ sample code using it. > > I checked the website and there are lots of examples but there is not a > starting guide. > The only hint is to add the string "zmq = "0.9" under "[Dependencies]" in > the projects Cargo.toml file to get access to ZMQ libraries. > > I installed Rust on a Windows machine. > After successfully executing "cargo new rust-zmq-hello-world" which creates > a a project of this name which compiles and runs fine like this: > > PS C:\Users\opedroso\rust-zmq-hello-world> cargo check > Checking rust-zmq-hello-world v0.1.0 > (C:\Users\opedroso\rust-zmq-hello-world) > Finished dev [unoptimized + debuginfo] target(s) in 1.57s > > I then added the string above to my Cargo.toml project file. No other > changes. > After that when I execute "cargo check" or "cargo run" on this project > directory, I get this error: > > PS C:\Users\opedroso\rust-zmq-hello-world> cargo check > Blocking waiting for file lock on package cache > Updating crates.io index > Blocking waiting for file lock on package cache > Blocking waiting for file lock on package cache > Compiling pkg-config v0.3.19 > Compiling error-chain v0.10.0 > Compiling toml v0.2.1 > Compiling libc v0.2.94 > Compiling bitflags v1.2.1 > Compiling log v0.4.14 > Compiling zmq v0.9.2 > Checking cfg-if v1.0.0 > Compiling metadeps v1.1.2 > Compiling zmq-sys v0.11.0 > error: failed to run custom build command for `zmq-sys v0.11.0` > > Caused by: > process didn't exit successfully: > `C:\Users\opedroso\rust-zmq-hello-world\target\debug\build\zmq-sys-7f0b989f3761c178\build-script-main` > (exit code: 101) > --- stdout > cargo:rerun-if-env-changed=LIBZMQ_NO_PKG_CONFIG > cargo:rerun-if-env-changed=PKG_CONFIG > cargo:rerun-if-env-changed=LIBZMQ_STATIC > cargo:rerun-if-env-changed=LIBZMQ_DYNAMIC > cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC > cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC > cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-pc-windows-msvc > cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_pc_windows_msvc > cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH > cargo:rerun-if-env-changed=PKG_CONFIG_PATH > cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-pc-windows-msvc > cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_pc_windows_msvc > cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR > cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR > cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-pc-windows-msvc > cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_pc_windows_msvc > cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR > cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR > > --- stderr > thread 'main' panicked at 'Unable to locate libzmq:
Do you have libzmq installed on our machine? I am not sure how it works on Windows. On Linux, it would be available as a package that you can install using your package manager. > Failed to run `"pkg-config" "--libs" "--cflags" "libzmq" "libzmq >= > 4.1"`: The system cannot find the file specified. (os error 2)', > C:\Users\opedroso\.cargo\registry\src\github.com-1ecc6299db9ec823\zmq-sys-0.11.0\build\pkg_config.rs:26 > :17 > note: run with `RUST_BACKTRACE=1` environment variable to display a > backtrace > > Appreciate any pointers on passing this hurdle. > > Best regards, > Osiris Pedroso > _______________________________________________ > zeromq-dev mailing list > [email protected] > https://lists.zeromq.org/mailman/listinfo/zeromq-dev > Best, -- Narendra Joshi _______________________________________________ zeromq-dev mailing list [email protected] https://lists.zeromq.org/mailman/listinfo/zeromq-dev
