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Failed to cross-compile from Windows to Linux when using target config file. #142

Open phuongtran7 opened 2 years ago

phuongtran7 commented 2 years ago

Hi,

I'm trying to cross-compile the library from Windows to a Raspberry Pi Zero W. I can't use cross as there are currently some problem targeting the Zero (https://github.com/rust-embedded/cross/issues/426). So I'm using a prebuilt toolchain from GNU Toolchain and a simple .cargo/config file like this:

[build]
target = "arm-unknown-linux-gnueabihf"

[target.arm-unknown-linux-gnueabihf]
linker = "E:/SysGCC_Rust/bin/arm-linux-gnueabihf-gcc.exe"

Everything works great until it needs to compile the Paho MQTT C library. It seems that CMake for some reason, chooses Windows as target instead of the one specified in the config file. And that makes the whole build failed.

PS D:\Projects\test_mqtt_pi> cargo build
    Updating git repository `https://github.com/eclipse/paho.mqtt.rust`
    Updating crates.io index
  Downloaded syn v1.0.82
  Downloaded 1 crate (234.3 KB) in 0.93s
   Compiling proc-macro2 v1.0.32
   Compiling unicode-xid v0.2.2
   Compiling syn v1.0.82
   Compiling futures-core v0.3.18
   Compiling futures-task v0.3.18
   Compiling futures-channel v0.3.18
   Compiling memchr v2.4.1
   Compiling cc v1.0.72
   Compiling futures-util v0.3.18
   Compiling futures-sink v0.3.18
   Compiling crossbeam-utils v0.8.5
   Compiling slab v0.4.5
   Compiling futures-io v0.3.18
   Compiling pin-project-lite v0.2.7
   Compiling cfg-if v1.0.0
   Compiling pin-utils v0.1.0
   Compiling log v0.4.14
   Compiling libc v0.2.108
   Compiling lazy_static v1.4.0
   Compiling cache-padded v1.1.1
   Compiling event-listener v2.5.1
   Compiling futures-timer v3.0.2
   Compiling concurrent-queue v1.2.2
   Compiling cmake v0.1.45
   Compiling async-channel v1.6.1
   Compiling crossbeam-channel v0.5.1
   Compiling quote v1.0.10
   Compiling paho-mqtt-sys v0.5.0 (https://github.com/eclipse/paho.mqtt.rust#d3280b3a)
   Compiling futures-macro v0.3.18
   Compiling thiserror-impl v1.0.30
   Compiling thiserror v1.0.30
   Compiling futures-executor v0.3.18
   Compiling futures v0.3.18
error: failed to run custom build command for `paho-mqtt-sys v0.5.0 (https://github.com/eclipse/paho.mqtt.rust#d3280b3a)`

Caused by:
  process didn't exit successfully: `D:\Projects\test_mqtt_pi\target\debug\build\paho-mqtt-sys-b4a299faa29102aa\build-script-build` (exit code: 103)
  --- stdout
  debug:Running the bundled build for Paho C
  cargo:rerun-if-changed=build.rs
  running: "cmake" "C:\\Users\\Developer\\.cargo\\git\\checkouts\\paho.mqtt.rust-44b07fd42c95bba6\\d3280b3\\paho-mqtt-sys\\paho.mqtt.c/" "-DPAHO_BUILD_SHARED=off" "-DPAHO_BUILD_STATIC=on" "-DPAHO_ENABLE_TESTING=off" "-DPAHO_HIGH_PERFORMANCE=on" "-DPAHO_WITH_SSL=off" "-DCMAKE_INSTALL_PREFIX=D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\build\\paho-mqtt-sys-08dd8cb857cd67ed\\out" "-DCMAKE_C_FLAGS= -ffunction-sections -fdata-sections -fPIC -march=armv6 -marm -mfpu=vfp" "-DCMAKE_CXX_FLAGS= -ffunction-sections -fdata-sections -fPIC -march=armv6 -marm -mfpu=vfp" "-DCMAKE_ASM_FLAGS= -ffunction-sections -fdata-sections -fPIC -march=armv6 -marm -mfpu=vfp" "-DCMAKE_BUILD_TYPE=Debug"
  -- Building for: Visual Studio 16 2019
  -- Selecting Windows SDK version 10.0.22000.0 to target Windows 10.0.19042.
  -- The C compiler identification is MSVC 19.29.30137.0
  -- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Professional/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe
  -- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Professional/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe - works
  -- Detecting C compiler ABI info
  -- Detecting C compiler ABI info - done
  -- Detecting C compile features
  -- Detecting C compile features - done
  -- CMake version: 3.17.2
  -- CMake system name: Windows
  -- Timestamp is 2021-12-02T19:18:10Z
  -- Configuring done
  -- Generating done
  -- Build files have been written to: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/build
  running: "cmake" "--build" "." "--target" "install" "--config" "Debug" "--"
  Microsoft (R) Build Engine version 16.11.2+f32259642 for .NET Framework
  Copyright (C) Microsoft Corporation. All rights reserved.

    Checking Build System
    Building Custom Rule C:/Users/Developer/.cargo/git/checkouts/paho.mqtt.rust-44b07fd42c95bba6/d3280b3/paho-mqtt-sys/paho.mqtt.c/src/CMakeLists.txt
  cl : command line warning D9002: ignoring unknown option '-ffunction-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\common_obj_static.vcxproj]
    MQTTTime.c
  cl : command line warning D9002: ignoring unknown option '-fdata-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\common_obj_static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fPIC' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\common_obj_static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-march=armv6' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\common_obj_static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-marm' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\common_obj_static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-mfpu=vfp' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\common_obj_static.vcxproj]
    MQTTProtocolClient.c
    Clients.c
    utf-8.c
    MQTTPacket.c
    MQTTPacketOut.c
    Messages.c
    Tree.c
    Socket.c
    Log.c
    MQTTPersistence.c
    Thread.c
    MQTTProtocolOut.c
    MQTTPersistenceDefault.c
    SocketBuffer.c
    LinkedList.c
    MQTTProperties.c
    MQTTReasonCodes.c
    Base64.c
    SHA1.c
    Generating Code...
    Compiling...
    WebSocket.c
    Generating Code...
    common_obj_static.vcxproj -> D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\common_obj_static.dir\Debug\common_obj_static.lib
    Building Custom Rule C:/Users/Developer/.cargo/git/checkouts/paho.mqtt.rust-44b07fd42c95bba6/d3280b3/paho-mqtt-sys/paho.mqtt.c/src/CMakeLists.txt
  cl : command line warning D9002: ignoring unknown option '-ffunction-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fdata-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fPIC' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-march=armv6' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-marm' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-mfpu=vfp' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3a-static.vcxproj]
    MQTTAsync.c
    MQTTAsyncUtils.c
    Generating Code...
    paho-mqtt3a-static.vcxproj -> D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\Debug\paho-mqtt3a-static.lib
    Building Custom Rule C:/Users/Developer/.cargo/git/checkouts/paho.mqtt.rust-44b07fd42c95bba6/d3280b3/paho-mqtt-sys/paho.mqtt.c/src/CMakeLists.txt
  cl : command line warning D9002: ignoring unknown option '-ffunction-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fdata-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fPIC' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-march=armv6' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-marm' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-mfpu=vfp' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\paho-mqtt3c-static.vcxproj]
    MQTTClient.c
    paho-mqtt3c-static.vcxproj -> D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out\build\src\Debug\paho-mqtt3c-static.lib
    Building Custom Rule C:/Users/Developer/.cargo/git/checkouts/paho.mqtt.rust-44b07fd42c95bba6/d3280b3/paho-mqtt-sys/paho.mqtt.c/CMakeLists.txt
    -- Install configuration: "Debug"
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/MQTTAsync_publish.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/MQTTAsync_publish_time.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/MQTTAsync_subscribe.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/MQTTClient_publish.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/MQTTClient_publish_async.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/MQTTClient_subscribe.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/paho_c_pub.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/paho_c_sub.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/paho_cs_pub.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/paho_cs_sub.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/samples/pubsub_opts.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/CONTRIBUTING.md
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/epl-v20
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/edl-v10
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/README.md
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/share/doc/Eclipse Paho C/notice.html
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/lib/paho-mqtt3c-static.lib
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/lib/paho-mqtt3a-static.lib
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/include/MQTTAsync.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/include/MQTTClient.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/include/MQTTClientPersistence.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/include/MQTTProperties.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/include/MQTTReasonCodes.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/include/MQTTSubscribeOpts.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/include/MQTTExportDeclarations.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/lib/cmake/eclipse-paho-mqtt-c/eclipse-paho-mqtt-cConfig.cmake
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/lib/cmake/eclipse-paho-mqtt-c/eclipse-paho-mqtt-cConfig-debug.cmake
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-08dd8cb857cd67ed/out/lib/cmake/eclipse-paho-mqtt-c/eclipse-paho-mqtt-cConfigVersion.cmake
  cargo:root=D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out
  debug:CMake output dir: D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-08dd8cb857cd67ed\out
  debug:link Using non-SSL library
  Error building Paho C library.

  --- stderr
  CMake Warning:
    Manually-specified variables were not used by the project:

      CMAKE_ASM_FLAGS
      CMAKE_BUILD_TYPE
      CMAKE_CXX_FLAGS

PS D:\Projects\test_mqtt_pi>

I'm thinking about cross-compiling the C library manually then set the PAHO_MQTT_C_DIR to the directory where the C library. Would that work?

Thank you so much for your time and help.

phuongtran7 commented 2 years ago

Update: manually cross build the Paho C library then specify the PAHO_MQTT_C_DIR works. So I guess my issue is now resolved, this issue can be closed. However, I still don't know why when building the C library with bundled feature, cmake just chooses Windows as build target.

fpagliughi commented 2 years ago

Keep it open for now, and I will see if there's anything I can do in the project to make it work better. If it is a problem with the cmake crate, then there's little we can do other than raise an issue there. But if there's something to be fixed in, say, build.rs, then that would be great. There was a recent PR that pointed out some differences between the host and target conditional compilation flags to which I was previously unaware: https://github.com/eclipse/paho.mqtt.rust/pull/132

Maybe that PR would help. It's been merged into this repo, but hasn't been released yet.

phuongtran7 commented 2 years ago

I think that PR did help. I'm using the latest version of the library instead of 0.9.1. With 0.9.1 even though with the same prebuilt C library and everything, it still failed at:

D:\Projects\test_mqtt_pi>cargo build
   Compiling proc-macro2 v1.0.32    
   Compiling unicode-xid v0.2.2     
   Compiling syn v1.0.82
   Compiling futures-core v0.3.18   
   Compiling futures-task v0.3.18   
   Compiling memchr v2.4.1
   Compiling futures-channel v0.3.18
   Compiling futures-util v0.3.18   
   Compiling futures-sink v0.3.18
   Compiling pin-utils v0.1.0
   Compiling slab v0.4.5
   Compiling pin-project-lite v0.2.7
   Compiling futures-io v0.3.18
   Compiling log v0.4.14
   Compiling paho-mqtt-sys v0.5.0
   Compiling libc v0.2.108
   Compiling cfg-if v1.0.0
   Compiling futures-timer v3.0.2
   Compiling quote v1.0.10
   Compiling futures-macro v0.3.18 
   Compiling thiserror-impl v1.0.30
   Compiling thiserror v1.0.30
   Compiling futures-executor v0.3.18
   Compiling futures v0.3.18
   Compiling paho-mqtt v0.9.1
   Compiling test_mqtt_pi v0.1.0 (D:\Projects\test_mqtt_pi)

error: linking with `E:/SysGCC_Rust/bin/arm-linux-gnueabihf-gcc.exe` failed: exit code: 1
  |
  = note: "E:/SysGCC_Rust/bin/arm-linux-gnueabihf-gcc.exe" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.12uialtsmdjredsh.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.1327j9c7fqqb4kuf.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.18nkvett0tne1atk.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.1huepkb4qskhd8jz.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.20wyqh8mnc6ujhmp.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.27sritlhc0g6i5yx.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.2dmot59ic1podsew.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.34mlzdgv4p1qw90u.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.3bjpekr3uapk33h.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.3e7wt1nueafsn8w.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.433u9yc8n5flnr74.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.44x1qgl5467fdxhz.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.481gh9xp69db8u5w.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.4ajhl6ux9jniqyzr.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.4io23y1b4r7lvjrs.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.4kj1fwxqfaqco7r9.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.4wxvbv148k8ydr20.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.57z9gido5sel7gdg.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.5glrh8qaq93etktn.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.lbyf5dt776hafpj.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.qdlih0w3ih4ttp7.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.sf8i3a7wb3hg3ws.rcgu.o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2.4wmxahbx4eq2uvx7.rcgu.o" 
"-Wl,--as-needed" "-L" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps" "-L" "D:\\Projects\\test_mqtt_pi\\target\\debug\\deps" "-L" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib" "-Wl,-Bstatic" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libpaho_mqtt-94700c1932309a33.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libthiserror-0d4b6d018d803251.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\liblibc-e5de0aa2b62870d3.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libfutures_timer-97708a0c50b2e549.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libpaho_mqtt_sys-693f71945bc953cd.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\liblog-ec34688fc5833219.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libcfg_if-98b69e9d69964be9.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libfutures-91ef59c916501ef3.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libfutures_executor-925a839306dd61bc.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libfutures_util-0dda65a88e80b07f.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libmemchr-2fb908f53ebcdcb0.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libfutures_io-ac637835941981b3.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libslab-0af7eb2c9c1e140a.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libfutures_channel-889024daeac9a169.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libpin_project_lite-a913a0b7d164344f.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libfutures_sink-125081e99ad7c7c9.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libfutures_task-93dc3c3a2a0ade18.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libpin_utils-f3a049a11b87a3f5.rlib" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\libfutures_core-62b5b94beeab9f73.rlib" "-Wl,--start-group" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libstd-f58fe94e9ec8d7fb.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libpanic_unwind-43bc522698bd189c.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libminiz_oxide-8f9850cb65949231.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libadler-6cc4832b7a1eae3e.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libobject-a82e5f3b2e4ca837.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libmemchr-ba6dfbe7817b3573.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libaddr2line-62c99721bb996733.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libgimli-a1242e2ec047e5ae.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libstd_detect-04794ae6f7de53ce.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\librustc_demangle-381557d1520525da.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libhashbrown-1646840e04e6ac5f.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\librustc_std_workspace_alloc-a990377a4b417cc7.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libunwind-f0f6877ff5c911e0.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libcfg_if-d98976420142c959.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\liblibc-6d9d9a55243b9341.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\liballoc-41f94bbd9fddffcf.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\librustc_std_workspace_core-e1f6047e4fc2463b.rlib" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libcore-8d8d4c015f5e0b13.rlib" "-Wl,--end-group" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib\\libcompiler_builtins-918b2241e6f7753d.rlib" "-Wl,-Bdynamic" "-lpaho-mqtt3a-static" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "C:\\Users\\Developer\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\lib\\rustlib\\arm-unknown-linux-gnueabihf\\lib" "-o" "D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\deps\\test_mqtt_pi-effdbf6f57c2c7c2" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
  = note: e:/sysgcc_rust/bin/../lib/gcc/arm-linux-gnueabihf/8/../../../../arm-linux-gnueabihf/bin/ld.exe: cannot find -lpaho-mqtt3a-static
          collect2.exe: error: ld returned 1 exit status

warning: `test_mqtt_pi` (bin "test_mqtt_pi") generated 2 warnings
error: could not compile `test_mqtt_pi` due to previous error; 2 warnings emitted

D:\Projects\test_mqtt_pi>

With latest commit, it worked. So this might be a bug in the cmake or something it looks like.

stuvet commented 2 years ago

Just to add to this - I couldn't get v0.9.1 to cross-compile on linux -> w64 even with a custom cmake toolchain file.

Changing to use paho_mqtt from git d3280b3 solved all my problems, and no cmake toolchain file or strange environment variables were needed - I just needed to specify the --target in the cargo build command. Easy.

Thanks!

fpagliughi commented 2 years ago

Yeah, I wonder if this was fixed by #132

I'll mark this as "fix added," under that assumption, and look to make some tests to confirm.

phuongtran7 commented 2 years ago

Still doesn't work for me in Windows unfortunately,

This is my Cargo.toml:

paho-mqtt = { git = "https://github.com/eclipse/paho.mqtt.rust", features = ["bundled"], default-features = false  }

And the result is still the same where cmake choose MSVC instead of GCC

PS D:\Projects\test_mqtt_pi> cargo clean
PS D:\Projects\test_mqtt_pi> cargo build
    Updating git repository `https://github.com/eclipse/paho.mqtt.rust`
    Updating git submodule `https://github.com/eclipse/paho.mqtt.c.git`
    Updating crates.io index
   Compiling proc-macro2 v1.0.32
   Compiling unicode-xid v0.2.2
   Compiling syn v1.0.82
   Compiling futures-core v0.3.18
   Compiling futures-channel v0.3.18
   Compiling futures-task v0.3.18
   Compiling memchr v2.4.1
   Compiling cc v1.0.72
   Compiling futures-util v0.3.18
   Compiling futures-sink v0.3.18
   Compiling pin-project-lite v0.2.7
   Compiling crossbeam-utils v0.8.5
   Compiling slab v0.4.5
   Compiling futures-io v0.3.18
   Compiling cfg-if v1.0.0
   Compiling pin-utils v0.1.0
   Compiling log v0.4.14
   Compiling libc v0.2.108
   Compiling cache-padded v1.1.1
   Compiling lazy_static v1.4.0
   Compiling event-listener v2.5.1
   Compiling futures-timer v3.0.2
   Compiling concurrent-queue v1.2.2
   Compiling cmake v0.1.45
   Compiling async-channel v1.6.1
   Compiling crossbeam-channel v0.5.1
   Compiling quote v1.0.10
   Compiling paho-mqtt-sys v0.5.0 (https://github.com/eclipse/paho.mqtt.rust#cb09861a)
   Compiling futures-macro v0.3.18
   Compiling thiserror-impl v1.0.30
   Compiling thiserror v1.0.30
   Compiling futures-executor v0.3.18
   Compiling futures v0.3.18
error: failed to run custom build command for `paho-mqtt-sys v0.5.0 (https://github.com/eclipse/paho.mqtt.rust#cb09861a)`

Caused by:
  process didn't exit successfully: `D:\Projects\test_mqtt_pi\target\debug\build\paho-mqtt-sys-c8e01c5d8c280805\build-script-build` (exit code: 103)
  --- stdout
  debug:Running the bundled build for Paho C
  cargo:rerun-if-changed=build.rs
  running: "cmake" "C:\\Users\\Developer\\.cargo\\git\\checkouts\\paho.mqtt.rust-44b07fd42c95bba6\\cb09861\\paho-mqtt-sys\\paho.mqtt.c/" "-DPAHO_BUILD_SHARED=off" "-DPAHO_BUILD_STATIC=on" "-DPAHO_ENABLE_TESTING=off" "-DPAHO_HIGH_PERFORMANCE=on" "-DPAHO_WITH_SSL=off" "-DCMAKE_INSTALL_PREFIX=D:\\Projects\\test_mqtt_pi\\target\\arm-unknown-linux-gnueabihf\\debug\\build\\paho-mqtt-sys-d8fb792bd3f40a23\\out" "-DCMAKE_C_FLAGS= -ffunction-sections -fdata-sections -fPIC -march=armv6 -marm -mfpu=vfp" "-DCMAKE_CXX_FLAGS= -ffunction-sections -fdata-sections -fPIC -march=armv6 -marm -mfpu=vfp" "-DCMAKE_ASM_FLAGS= -ffunction-sections -fdata-sections -fPIC -march=armv6 -marm -mfpu=vfp" "-DCMAKE_BUILD_TYPE=Debug"
  -- Building for: Visual Studio 16 2019
  -- Selecting Windows SDK version 10.0.22000.0 to target Windows 10.0.19042.
  -- The C compiler identification is MSVC 19.29.30138.0
  -- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Professional/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe
  -- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Professional/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe - works
  -- Detecting C compiler ABI info
  -- Detecting C compiler ABI info - done
  -- Detecting C compile features
  -- Detecting C compile features - done
  -- CMake version: 3.17.2
  -- CMake system name: Windows
  -- Timestamp is 2022-01-18T15:15:17Z
  -- Configuring done
  -- Generating done
  -- Build files have been written to: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/build
  running: "cmake" "--build" "." "--target" "install" "--config" "Debug" "--"
  Microsoft (R) Build Engine version 16.11.2+f32259642 for .NET Framework
  Copyright (C) Microsoft Corporation. All rights reserved.

    Checking Build System
    Building Custom Rule C:/Users/Developer/.cargo/git/checkouts/paho.mqtt.rust-44b07fd42c95bba6/cb09861/paho-mqtt-sys/paho.mqtt.c/src/CMakeLists.txt
  cl : command line warning D9002: ignoring unknown option '-ffunction-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\common_obj_static.vcxproj]
    MQTTTime.c
  cl : command line warning D9002: ignoring unknown option '-fdata-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\common_obj_static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fPIC' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\common_obj_static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-march=armv6' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\common_obj_static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-marm' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\common_obj_static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-mfpu=vfp' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\common_obj_static.vcxproj]
    MQTTProtocolClient.c
    Clients.c
    utf-8.c
    MQTTPacket.c
    MQTTPacketOut.c
    Messages.c
    Tree.c
    Socket.c
    Log.c
    MQTTPersistence.c
    Thread.c
    MQTTProtocolOut.c
    MQTTPersistenceDefault.c
    SocketBuffer.c
    LinkedList.c
    MQTTProperties.c
    MQTTReasonCodes.c
    Base64.c
    SHA1.c
    Generating Code...
    Compiling...
    WebSocket.c
    Generating Code...
    common_obj_static.vcxproj -> D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\common_obj_static.dir\Debug\common_obj_static.lib
    Building Custom Rule C:/Users/Developer/.cargo/git/checkouts/paho.mqtt.rust-44b07fd42c95bba6/cb09861/paho-mqtt-sys/paho.mqtt.c/src/CMakeLists.txt
  cl : command line warning D9002: ignoring unknown option '-ffunction-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fdata-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fPIC' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-march=armv6' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-marm' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3a-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-mfpu=vfp' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3a-static.vcxproj]
    MQTTAsync.c
    MQTTAsyncUtils.c
    Generating Code...
    paho-mqtt3a-static.vcxproj -> D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\Debug\paho-mqtt3a-static.lib
    Building Custom Rule C:/Users/Developer/.cargo/git/checkouts/paho.mqtt.rust-44b07fd42c95bba6/cb09861/paho-mqtt-sys/paho.mqtt.c/src/CMakeLists.txt
  cl : command line warning D9002: ignoring unknown option '-ffunction-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fdata-sections' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-fPIC' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-march=armv6' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-marm' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3c-static.vcxproj]
  cl : command line warning D9002: ignoring unknown option '-mfpu=vfp' [D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\paho-mqtt3c-static.vcxproj]
    MQTTClient.c
    paho-mqtt3c-static.vcxproj -> D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out\build\src\Debug\paho-mqtt3c-static.lib
    Building Custom Rule C:/Users/Developer/.cargo/git/checkouts/paho.mqtt.rust-44b07fd42c95bba6/cb09861/paho-mqtt-sys/paho.mqtt.c/CMakeLists.txt
    -- Install configuration: "Debug"
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/MQTTAsync_publish.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/MQTTAsync_publish_time.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/MQTTAsync_subscribe.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/MQTTClient_publish.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/MQTTClient_publish_async.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/MQTTClient_subscribe.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/paho_c_pub.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/paho_c_sub.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/paho_cs_pub.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/paho_cs_sub.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/samples/pubsub_opts.c
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/CONTRIBUTING.md
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/epl-v20
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/edl-v10
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/README.md
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/share/doc/Eclipse Paho C/notice.html
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/lib/paho-mqtt3c-static.lib
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/lib/paho-mqtt3a-static.lib
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/include/MQTTAsync.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/include/MQTTClient.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/include/MQTTClientPersistence.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/include/MQTTProperties.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/include/MQTTReasonCodes.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/include/MQTTSubscribeOpts.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/include/MQTTExportDeclarations.h
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/lib/cmake/eclipse-paho-mqtt-c/eclipse-paho-mqtt-cConfig.cmake
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/lib/cmake/eclipse-paho-mqtt-c/eclipse-paho-mqtt-cConfig-debug.cmake
    -- Installing: D:/Projects/test_mqtt_pi/target/arm-unknown-linux-gnueabihf/debug/build/paho-mqtt-sys-d8fb792bd3f40a23/out/lib/cmake/eclipse-paho-mqtt-c/eclipse-paho-mqtt-cConfigVersion.cmake
  cargo:root=D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out
  debug:CMake output dir: D:\Projects\test_mqtt_pi\target\arm-unknown-linux-gnueabihf\debug\build\paho-mqtt-sys-d8fb792bd3f40a23\out
  debug:link Using non-SSL library
  Error building Paho C library.

  --- stderr
  CMake Warning:
    Manually-specified variables were not used by the project:

      CMAKE_ASM_FLAGS
      CMAKE_BUILD_TYPE
      CMAKE_CXX_FLAGS

PS D:\Projects\test_mqtt_pi>
fpagliughi commented 2 years ago

Sorry I keep pushing this back; I don't generally have a Windows machine for development. But I'm starting to wonder if there's something about the CMake crate where it doesn't recognize 'target' specified in the config file vs '--target' on the command line.

svanharmelen commented 2 years ago

Same here, until the other week 😃 I just bought a Windows laptop for my son, so I can try to give it a spin on that one.

Maybe tonight, but more likely comming Monday (as I'm home alone then anyway 😉)

svanharmelen commented 2 years ago

I did have a look, but didn't have enough time to find a working solution. Will continue with it later this week...