################## Setting up OSSIM core library ######################### -- Found JsonCpp: CMake Warning at source_subfolder/cmake/CMakeModules/FindGit.cmake:97 (MESSAGE): Command "/usr/bin/git rev-list HEAD --max-count=1" failed with output: fatal: Not a git repository (or any parent up to mount point /home/conan) Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set). Call Stack (most recent call first): source_subfolder/cmake/CMakeModules/OssimUtilities.cmake:68 (GIT_WC_INFO) source_subfolder/CMakeLists.txt:234 (GET_GIT_REVISION) ################## end of OSSIM core library setup ######################### ../include/ossim/ossimConfig.h;../include/ossim/ossimVersion.h CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY In file included from /home/conan/w/cci_PR-2459/.conan/data/ossim/2.12.0/_/_/package/05e347dccc87b3a29ef970fb9a5c06588ea33600/include/ossim/base/ossimCommon.h:25:0, from /home/conan/w/cci_PR-2459/5/fe6fe293-fdb3-4725-85ad-5d33e173da74/recipes/ossim/all/test_package/test_package.cpp:16: /home/conan/w/cci_PR-2459/.conan/data/ossim/2.12.0/_/_/package/05e347dccc87b3a29ef970fb9a5c06588ea33600/include/ossim/base/ossimString.h:97:29: warning: explicit conversion operators only available with -std=c++11 or -std=gnu++11 explicit operator bool() const { return m_str.empty() ? false : true; } ^