build/1st/osmium-tool-1.9.1/src/util.cpp:62:10: error: 'cerr' is not a member of 'std' build/1st/osmium-tool-1.9.1/src/util.cpp: In function 'void osmium::warning(const char*)':
![istream does not name a type istream does not name a type](https://community.dynamics.com/cfs-file/__key/communityserver-discussions-components-files/761/ErrorImage1.png)
usr/include/c++/8/iostream:74:10: error: 'ios_base' does not name a type
![istream does not name a type istream does not name a type](https://i.pinimg.com/originals/fa/79/3f/fa793f346fd688636d47d0054c4734ef.jpg)
usr/include/c++/8/iostream:69:10: error: 'wostream' does not name a typeĮxtern wostream wclog /// Linked to standard error (buffered) usr/include/c++/8/iostream:68:10: error: 'wostream' does not name a typeĮxtern wostream wcerr /// Linked to standard error (unbuffered) usr/include/c++/8/iostream:67:10: error: 'wostream' does not name a typeĮxtern wostream wcout /// Linked to standard output usr/include/c++/8/iostream:66:10: error: 'wistream' does not name a typeĮxtern wistream wcin /// Linked to standard input usr/include/c++/8/iostream:63:10: error: 'ostream' does not name a typeĮxtern ostream clog /// Linked to standard error (buffered) usr/include/c++/8/iostream:62:10: error: 'ostream' does not name a typeĮxtern ostream cerr /// Linked to standard error (unbuffered) usr/include/c++/8/iostream:61:10: error: 'ostream' does not name a typeĮxtern ostream cout /// Linked to standard output usr/include/c++/8/iostream:60:10: error: 'istream' does not name a typeĮxtern istream cin /// Linked to standard input In file included from /build/1st/osmium-tool-1.9.1/src/util.cpp:33: build/1st/osmium-tool-1.9.1/src/util.hpp:37:11: note: previous declaration as 'class osmium::TagsFilter'
![istream does not name a type istream does not name a type](https://programmer.help/images/blog/63c724ed9e883363a0e9ea74d5d00e2a.jpg)
In file included from /build/1st/osmium-tool-1.9.1/src/util.cpp:24: usr/include/osmium/tags/tags_filter.hpp:157:44: error: conflicting declaration 'using TagsFilter = class osmium::TagsFilterBase' In file included from /build/1st/osmium-tool-1.9.1/src/util.cpp:27: fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++11 -Wall -Wextra -pedantic -Wredundant-decls -Wdisabled-optimization -Wctor-dtor-privacy -Wnon-virtual-dtor -Woverloaded-virtual -Wsign-promo -Wold-style-cast -pthread -o CMakeFiles/unit_tests.dir/_/src/ -c /build/1st/osmium-tool-1.9.1/src/util.cpp