diff options
Diffstat (limited to 'libcxx/src/filesystem/operations.cpp')
| -rw-r--r-- | libcxx/src/filesystem/operations.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/libcxx/src/filesystem/operations.cpp b/libcxx/src/filesystem/operations.cpp index 208a557..3bb0c738 100644 --- a/libcxx/src/filesystem/operations.cpp +++ b/libcxx/src/filesystem/operations.cpp @@ -39,8 +39,16 @@ #include <fcntl.h> /* values for fchmodat */ #include <time.h> -// since Linux 4.5 and FreeBSD 13, but the Linux libc wrapper is only provided by glibc and musl -#if (defined(__linux__) && (defined(__GLIBC__) || _LIBCPP_HAS_MUSL_LIBC)) || defined(__FreeBSD__) +// since Linux 4.5 and FreeBSD 13, but the Linux libc wrapper is only provided by glibc >= 2.27 and musl +#if defined(__linux__) +# if defined(_LIBCPP_GLIBC_PREREQ) +# if _LIBCPP_GLIBC_PREREQ(2, 27) +# define _LIBCPP_FILESYSTEM_USE_COPY_FILE_RANGE +# endif +# elif _LIBCPP_HAS_MUSL_LIBC +# define _LIBCPP_FILESYSTEM_USE_COPY_FILE_RANGE +# endif +#elif defined(__FreeBSD__) # define _LIBCPP_FILESYSTEM_USE_COPY_FILE_RANGE #endif #if __has_include(<sys/sendfile.h>) |