On 2019-07-10 07:19, Jan Beich wrote:
C++ example:
#if __cplusplus >= 201703L && __has_include(<filesystem>)
#include <filesystem>
#else
#include <experimental/filesystem>
namespace std {
namespace filesystem = experimental::filesystem;
}
#endif
Makefile example:
.if exists(/usr/lib/libc++fs.a)
LIBS+= -lc++fs
.elif exists(/usr/lib/libc++experimental.a)
# XXX Remove after FreeBSD 12.0 EOL
LIBS+= -lc++experimental
.else
# XXX Remove after FreeBSD 11.2 EOL
USE_GCC= yes
LIBS+= -lstdc++fs
.endif
This helps with locating the header/library, but it fails to compile in
poudriere on 12.0-RELEASE-p7:
x.cpp:213:15: error: no member named 'is_symlink' in
'std::experimental::filesystem::v1::directory_entry'
if (entry.is_symlink())
~~~~~ ^
It looks like 12.0-RELEASE-p7 is technically broken, because it doesn't
include is_symlink().
Yuri
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