diff --git a/meson.build b/meson.build
index 269ec49..a0fa425 100644
--- a/meson.build
+++ b/meson.build
@@ -45,6 +45,10 @@
 
 conf.set('CONFIG_PHAL_API', get_option('phal').allowed())
 
+if cmplr.has_header('poll.h')
+    add_project_arguments('-DPLDM_HAS_POLL=1', language: 'cpp')
+endif
+
 configure_file(input: 'config.h.in', output: 'config.h', configuration: conf)
 
 #-------------------------------------------------------------------------------