No rule to make target 'mrproper'

Question

I've completed the following sections from the install instructions without error:

---

EASY INSTALL OPTION

ADVANCED: Install necessary packages on your host computer

ADVANCED: Download JeVois source code

ADVANCED: Installing OpenCV 3.2.0 on a Linux host system

Compiling JeVois library and base apps

Compiling JeVois library and base apps for host computer

---

However, it fails in:

ADVANCED: Compiling the jevois-sdk from scratch

at 'make mrproper' with response:

make: *** No rule to make target 'mrproper'.  Stop.

I'm running Ubuntu 16.10 64-bit.  Any ideas what I could have missed?

---

Full disclosure - I did try (probably naively) section:

Compiling JeVois library and base apps for hardware platform

immediately after section:

EASY INSTALL OPTION

That failed (probably rightfully so) with the following output:

---

-- JEVOIS_LDEBUG_ENABLE: OFF
-- JEVOIS_TRACE_ENABLE: OFF
-- JEVOIS_USE_SYNC_LOG: OFF
-- JEVOIS_LOG_TO_FILE: OFF
-- HOST_IS_RPI3: OFF
-- JeVois version 1.0
-- JEVOIS_SRC_ROOT: /home/russ/jevois
-- JEVOIS_PLATFORM: ON
-- JEVOIS_VENDOR: JeVois
-- JEVOIS_MODULES_TO_BUILDROOT: OFF
-- Install prefix for executables: /home/russ/jevois/../jevois-sdk/out/sun8iw5p1/linux/common/buildroot/target/usr
-- Host path to jevois modules root: /home/russ/jevois/../jevois-sdk/out/sun8iw5p1/linux/common/buildroot/target/jevois
-- The C compiler identification is unknown
-- The CXX compiler identification is unknown
CMake Error at CMakeLists.txt:131 (project):
  The CMAKE_C_COMPILER:

    /home/russ/jevois/../jevois-sdk/out/sun8iw5p1/linux/common/buildroot/host/usr/bin/arm-buildroot-linux-gnueabihf-gcc

  is not a full path to an existing compiler tool.

  Tell CMake where to find the compiler by setting either the environment
  variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
  the compiler, or to the compiler name if it is in the PATH.

CMake Error at CMakeLists.txt:131 (project):
  The CMAKE_CXX_COMPILER:

    /home/russ/jevois/../jevois-sdk/out/sun8iw5p1/linux/common/buildroot/host/usr/bin/arm-buildroot-linux-gnueabihf-g++

  is not a full path to an existing compiler tool.

  Tell CMake where to find the compiler by setting either the environment
  variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
  to the compiler, or to the compiler name if it is in the PATH.

-- Configuring incomplete, errors occurred!
See also "/home/russ/jevois/pbuild/CMakeFiles/CMakeOutput.log".
See also "/home/russ/jevois/pbuild/CMakeFiles/CMakeError.log".

Answer 1

mrproper is a deep cleanup target for either buildroot or the Linux kernel.

did you cd to buildroot or to linux-3.4 before you issued it? If so, just ignore the error and proceed with the next steps.

for the failure of compiling jevois, yes it fails because it does not find a cross-compiler. That one gets compiled as part of building the jevois-sdk, so you should try to complete the sdk steps first.

Comments

That worked!  
It did take me a few minutes to realize what name I should enter to the prompt - "Enter device name for microSD card: ".  As mentioned in the install instructions in the "Flashing it all to microSD" section, it should be something like /dev/sdX.  On my system, it was /dev/sdb.