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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


In file included from /usr/include/c++/7/string_view:39:0,
                 from /home/conan/w/cci_PR-2742/.conan/data/range-v3/0.10.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/range/v3/range/access.hpp:23,
                 from /home/conan/w/cci_PR-2742/.conan/data/range-v3/0.10.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/range/v3/range/concepts.hpp:30,
                 from /home/conan/w/cci_PR-2742/.conan/data/range-v3/0.10.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/range/v3/action/concepts.hpp:23,
                 from /home/conan/w/cci_PR-2742/.conan/data/range-v3/0.10.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/range/v3/action/action.hpp:23,
                 from /home/conan/w/cci_PR-2742/.conan/data/range-v3/0.10.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/range/v3/action.hpp:17,
                 from /home/conan/w/cci_PR-2742/.conan/data/range-v3/0.10.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/range/v3/all.hpp:17,
                 from /home/conan/w/cci_PR-2742/5/1b2a3a01-967f-4baa-a7d3-918238094282/recipes/range-v3/all/test_package/test_package.cpp:1:
/usr/include/c++/7/bits/c++17_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2017 standard. This support must be enabled with the -std=c++17 or -std=gnu++17 compiler options.
 #error This file requires compiler and library support \
  ^~~~~
make[2]: *** [CMakeFiles/test_package.dir/test_package.cpp.o] Error 1
make[1]: *** [CMakeFiles/test_package.dir/all] Error 2
make: *** [all] Error 2
range-v3/0.10.0: WARN: This conanfile has no build step
ERROR: range-v3/0.10.0 (test package): Error in build() method, line 12
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-2742/5/1b2a3a01-967f-4baa-a7d3-918238094282/recipes/range-v3/all/test_package/build/3ab9e807845e983564d20e53042ddfcbb6c691b9' '--' '-j3'