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cbebb94f25
libc++ has <cstring> in <string> while libstdc++ does not:
$ fgrep -r '#include <cstring>' /usr/include/c++/v1/
/usr/bin/../include/c++/v1/vector:#include <cstring>
/usr/bin/../include/c++/v1/ext/__hash:#include <cstring>
/usr/bin/../include/c++/v1/memory:#include <cstring>
/usr/bin/../include/c++/v1/algorithm:#include <cstring>
/usr/bin/../include/c++/v1/string:#include <cstring>
/usr/bin/../include/c++/v1/utility:#include <cstring>
$ fgrep -r '#include <cstring>' /usr/include/c++/9.2.0/
/usr/include/c++/9.2.0/experimental/buffer:#include <cstring>
/usr/include/c++/9.2.0/regex:#include <cstring>
/usr/include/c++/9.2.0/x86_64-pc-linux-gnu/bits/stdc++.h:#include <cstring>
/usr/include/c++/9.2.0/x86_64-pc-linux-gnu/32/bits/stdc++.h:#include <cstring>
$ clang++ -stdlib=libc++ -o /dev/null -c /tmp/test.cpp
/tmp/test.cpp:7:30: warning: null passed to a callee that requires a non-null argument [-Wnonnull]
return memcpy(0, 0, 0);
~ ^
/tmp/test.cpp:7:30: warning: null passed to a callee that requires a non-null argument [-Wnonnull]
return memcpy(0, 0, 0);
~ ^
2 warnings generated.
$ clang++ -o /dev/null -c /tmp/test.cpp
/tmp/test.cpp:7:16: error: use of undeclared identifier 'memcpy'; did you mean 'wmemcpy'?
return memcpy(0, 0, 0);
^~~~~~
wmemcpy
/usr/include/wchar.h:262:17: note: 'wmemcpy' declared here
extern wchar_t *wmemcpy (wchar_t *__restrict __s1,
^
1 error generated.
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| .. | ||
| benchmark | ||
| cmake | ||
| programs | ||
| src | ||
| tests | ||
| CMakeLists.txt | ||