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In this article, we will see how to solve hwloc library not found error. Many of the applications requires portable locality hardware (hwloc) software package to be installed in the system for its functioning so it would look for hwloc library at the configuration step during application installation. If it does not find or locate the library then it will show "ERROR! hwloc library not found" on the output.
Something similar happened to me as well when I tried installing snort 3 on my Ubuntu 22.04 LTS system. While running ./configure_cmake.sh script, it showed "ERROR! hwloc library not found" on the output. If you are also facing this error then I would recommend you to go through this article to fix the error.
![[Solved]: "ERROR! hwloc library not found"](https://www.cyberithub.com/wp-content/uploads/2023/10/hwloc.jpg)
[Solved]: "ERROR! hwloc library not found"
Also Read: [Solved]: "autoreconf: not found" error
As explained, when i tried running ./configure_cmake.sh script to configure snort 3 source code for installation on my Ubuntu 22.04 LTS system then i noticed ERROR! hwloc library not found on the output as shown below.
cyberithub@ubuntu:~/snort3-3.1.71.0$ ./configure_cmake.sh ./configure_cmake.sh: 486: [: Illegal number: Build Directory : build Source Directory: /home/cyberithub/snort3-3.1.71.0 -- The CXX compiler identification is Clang 14.0.0 -- The C compiler identification is GNU 11.4.0 -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: /usr/bin/c++ - skipped -- Detecting CXX compile features -- Detecting CXX compile features - done -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/cc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Looking for pthread.h -- Looking for pthread.h - found -- Performing Test CMAKE_HAVE_LIBC_PTHREAD -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success -- Found Threads: TRUE -- Found PkgConfig: /usr/bin/pkg-config (found version "0.29.2") -- Checking for module 'libdaq>=3.0.12' -- Found libdaq, version 3.0.12 -- Found DAQ: /usr/local/lib/libdaq.so -- Checking for module 'libdaq_static_afpacket' -- Found libdaq_static_afpacket, version 3.0.12 -- Checking for module 'libdaq_static_fst' -- Found libdaq_static_fst, version 3.0.12 -- Checking for module 'libdaq_static_gwlb' -- Found libdaq_static_gwlb, version 3.0.12 -- Checking for module 'libdaq_static_savefile' -- Found libdaq_static_savefile, version 3.0.12 -- Checking for module 'libdaq_static_trace' -- Found libdaq_static_trace, version 3.0.12 -- Found DNET: /usr/include -- Found FLEX: /usr/bin/flex (found suitable version "2.6.4", minimum required is "2.6.0") -- Checking for module 'hwloc' -- No package 'hwloc' found CMake Error at cmake/FindHWLOC.cmake:6 (message): ERROR! hwloc library not found. Get it from https://www.open-mpi.org/projects/hwloc/ Call Stack (most recent call first): cmake/include_libraries.cmake:7 (find_package) CMakeLists.txt:27 (include) CMake Error at /usr/share/cmake-3.22/Modules/FindPackageHandleStandardArgs.cmake:230 (message): Could NOT find HWLOC (missing: HWLOC_LIBRARIES HWLOC_INCLUDE_DIRS) Call Stack (most recent call first): /usr/share/cmake-3.22/Modules/FindPackageHandleStandardArgs.cmake:594 (_FPHSA_FAILURE_MESSAGE) cmake/FindHWLOC.cmake:18 (find_package_handle_standard_args) cmake/include_libraries.cmake:7 (find_package) CMakeLists.txt:27 (include) -- Configuring incomplete, errors occurred! See also "/home/cyberithub/snort3-3.1.71.0/build/CMakeFiles/CMakeOutput.log".
While above error could throw due to multiple reasons but most of the time it occurs because hwloc library package is missing in the system. So to fix the error you just have to install this package by running sudo apt-get install -y libhwloc-dev command as shown below. This will download and install the package along with all its dependencies from default Ubuntu repo.
cyberithub@ubuntu:~/snort3-3.1.71.0$ sudo apt-get install -y libhwloc-dev Reading package lists... Done Building dependency tree... Done Reading state information... Done The following additional packages will be installed: libhwloc-plugins libhwloc15 libnuma-dev libxnvctrl0 ocl-icd-libopencl1 Suggested packages: libhwloc-contrib-plugins opencl-icd The following NEW packages will be installed: libhwloc-dev libhwloc-plugins libhwloc15 libnuma-dev libxnvctrl0 ocl-icd-libopencl1 0 upgraded, 6 newly installed, 0 to remove and 3 not upgraded. Need to get 517 kB of archives. After this operation, 2,021 kB of additional disk space will be used. Get:1 http://in.archive.ubuntu.com/ubuntu jammy-updates/universe amd64 libhwloc15 amd64 2.7.0-2ubuntu1 [159 kB] Get:2 http://in.archive.ubuntu.com/ubuntu jammy/main amd64 libxnvctrl0 amd64 510.47.03-0ubuntu1 [11.5 kB] Get:3 http://in.archive.ubuntu.com/ubuntu jammy/main amd64 libnuma-dev amd64 2.0.14-3ubuntu2 [35.9 kB] Get:4 http://in.archive.ubuntu.com/ubuntu jammy-updates/universe amd64 libhwloc-dev amd64 2.7.0-2ubuntu1 [256 kB] Get:5 http://in.archive.ubuntu.com/ubuntu jammy/universe amd64 ocl-icd-libopencl1 amd64 2.2.14-3 [39.1 kB] Get:6 http://in.archive.ubuntu.com/ubuntu jammy-updates/universe amd64 libhwloc-plugins amd64 2.7.0-2ubuntu1 [15.6 kB] Fetched 517 kB in 2s (276 kB/s) Selecting previously unselected package libhwloc15:amd64. (Reading database ... 235145 files and directories currently installed.) Preparing to unpack .../0-libhwloc15_2.7.0-2ubuntu1_amd64.deb ... Unpacking libhwloc15:amd64 (2.7.0-2ubuntu1) ... Selecting previously unselected package libxnvctrl0:amd64. Preparing to unpack .../1-libxnvctrl0_510.47.03-0ubuntu1_amd64.deb ... Unpacking libxnvctrl0:amd64 (510.47.03-0ubuntu1) ... Selecting previously unselected package libnuma-dev:amd64. Preparing to unpack .../2-libnuma-dev_2.0.14-3ubuntu2_amd64.deb ... Unpacking libnuma-dev:amd64 (2.0.14-3ubuntu2) ... Selecting previously unselected package libhwloc-dev:amd64. Preparing to unpack .../3-libhwloc-dev_2.7.0-2ubuntu1_amd64.deb ... Unpacking libhwloc-dev:amd64 (2.7.0-2ubuntu1) ... Selecting previously unselected package ocl-icd-libopencl1:amd64. Preparing to unpack .../4-ocl-icd-libopencl1_2.2.14-3_amd64.deb ... Unpacking ocl-icd-libopencl1:amd64 (2.2.14-3) ... Selecting previously unselected package libhwloc-plugins:amd64. Preparing to unpack .../5-libhwloc-plugins_2.7.0-2ubuntu1_amd64.deb ... Unpacking libhwloc-plugins:amd64 (2.7.0-2ubuntu1) ... Setting up libnuma-dev:amd64 (2.0.14-3ubuntu2) ... Setting up libxnvctrl0:amd64 (510.47.03-0ubuntu1) ... Setting up libhwloc15:amd64 (2.7.0-2ubuntu1) ... Setting up ocl-icd-libopencl1:amd64 (2.2.14-3) ... Setting up libhwloc-dev:amd64 (2.7.0-2ubuntu1) ... Setting up libhwloc-plugins:amd64 (2.7.0-2ubuntu1) ... Processing triggers for libc-bin (2.35-0ubuntu3.3) ... Processing triggers for man-db (2.10.2-1) ...
Now if you try to run ./configure_cmake.sh script again then it should work as expected as it worked on my system. This should solve your error as well.
cyberithub@ubuntu:~/snort3-3.1.71.0$ ./configure_cmake.sh ./configure_cmake.sh: 486: [: Illegal number: Build Directory : build Source Directory: /home/cyberithub/snort3-3.1.71.0 -- The CXX compiler identification is Clang 14.0.0 -- The C compiler identification is GNU 11.4.0 -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: /usr/bin/c++ - skipped -- Detecting CXX compile features -- Detecting CXX compile features - done -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/cc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Looking for pthread.h -- Looking for pthread.h - found -- Performing Test CMAKE_HAVE_LIBC_PTHREAD -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success -- Found Threads: TRUE -- Found PkgConfig: /usr/bin/pkg-config (found version "0.29.2") -- Checking for module 'libdaq>=3.0.12' -- Found libdaq, version 3.0.12 -- Found DAQ: /usr/local/lib/libdaq.so -- Checking for module 'libdaq_static_afpacket' -- Found libdaq_static_afpacket, version 3.0.12 -- Checking for module 'libdaq_static_fst' -- Found libdaq_static_fst, version 3.0.12 -- Checking for module 'libdaq_static_gwlb' -- Found libdaq_static_gwlb, version 3.0.12 -- Checking for module 'libdaq_static_savefile' -- Found libdaq_static_savefile, version 3.0.12 -- Checking for module 'libdaq_static_trace' -- Found libdaq_static_trace, version 3.0.12 -- Found DNET: /usr/include -- Found FLEX: /usr/bin/flex (found suitable version "2.6.4", minimum required is "2.6.0") -- Checking for module 'hwloc' -- Found hwloc, version 2.7.0 -- Found HWLOC: /usr/lib/x86_64-linux-gnu/libhwloc.so ...........................................