Commit acc55ba8 authored by Stefan Weil's avatar Stefan Weil
Browse files

configure: Fix build for some versions of glibc (9pfs) 



Some versions declare open_by_handle_at, but don't define AT_EMPTY_PATH.
Extend the check in configure to test both preconditions.

Signed-off-by: default avatarStefan Weil <sw@weilnetz.de>
Acked-by: default avatarStefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: default avatarSerge Hallyn <serge.hallyn@ubuntu.com>
parent fc9fa4bd

configure

+4 −0
Original line number Diff line number Diff line
@@ -2812,7 +2812,11 @@ fi 
open_by_hande_at=no

cat > $TMPC << EOF

#include <fcntl.h>

#if !defined(AT_EMPTY_PATH)

# error missing definition

#else

int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }

#endif

EOF

if compile_prog "" "" ; then

    open_by_handle_at=yes