install

using apt

sudo apt-get install ros-noetic-sophus

from source

git clone https://github.com/strasdat/Sophus.git
cd sophus
mkdir build
cd build
cmake ..
make
sudo make install

check version

using pkg-config

pkg-config --modversion Sophus
# or
pkg-config --modversion sophus

using CMake package file

cat /usr/local/lib/cmake/Sophus/SophusConfigVersion.cmake | grep VERSION

Check header file

grep SOPHUS_VERSION /usr/local/include/sophus/common.hpp

Output example:

#define SOPHUS_VERSION_MAJOR 1
#define SOPHUS_VERSION_MINOR 22
#define SOPHUS_VERSION_PATCH 10

Use CMake to print version

find_package(Sophus REQUIRED)
message(STATUS "Sophus version: ${Sophus_VERSION}")