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Author: Pino Toscano <pino@debian.org>
Description: On Hurd, do not look for functions unimplemented in libc
The check_function_exists() function of cmake does not keep into account the
defines that glibc provides for the stubs (i.e. unimplemented functions that
always return ENOSYS), so some functions are detected as available.
Unfortunately, due to --fatal-warnings for the linker, linking will fail.
Hence, do not attempt to look for functions that are currently unimplemented
on GNU/Hurd's libc.
Last-Update: 2022-02-22
Forwarded: not-needed
--- a/src/ioslaves/file/ConfigureChecks.cmake
+++ b/src/ioslaves/file/ConfigureChecks.cmake
@@ -13,9 +13,13 @@ check_include_files(sys/xattr.h HAVE_S
# On FreeBSD extattr.h doesn't compile without manually including sys/types.h
check_include_files("sys/types.h;sys/extattr.h" HAVE_SYS_EXTATTR_H)
-check_function_exists(copy_file_range HAVE_COPY_FILE_RANGE)
+if (NOT (CMAKE_SYSTEM_NAME STREQUAL "GNU"))
+ check_function_exists(copy_file_range HAVE_COPY_FILE_RANGE)
+endif()
-check_function_exists(posix_fadvise HAVE_FADVISE) # KIO worker
+if (NOT (CMAKE_SYSTEM_NAME STREQUAL "GNU"))
+ check_function_exists(posix_fadvise HAVE_FADVISE) # KIO worker
+endif()
check_struct_has_member("struct dirent" d_type dirent.h HAVE_DIRENT_D_TYPE LANGUAGE CXX)
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