meson: test for pidfd_getfd()

Commit 55c7120accab ("nsenter: Provide an option to join target process's socket net namespace")
added stubs for pidfd_getfd() but didn't add the code for meson to check
if the function is already available.

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>

diff --git a/meson.build b/meson.build
index 95e6541e92080bee5a5f7bc1a5187a63835eb286..71f88a163aa26bbdcfebc80f85e3ee0b6638bc1c 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -587,6 +587,7 @@ funcs = '''
         ntp_gettime
         open_tree
         personality
+        pidfd_getfd
         pidfd_open
         pidfd_send_signal
         posix_fadvise