linking with bluetooth library although compiled without linking it because not actually using any methods from the headers

meson.build

@@ -1,3 +1,6 @@
 project('bluetooth-beacon-receiver', 'cpp')
 executable('bluetooth-beacon', 'src/beacon.cpp')
 executable('bluetooth-receiver', 'src/receiver.cpp')
+
+# add libbluetooth
+target_link_libraries('bluetooth-beacon' 'bluetooth')

src/beacon.cpp

@@ -1,6 +1,10 @@
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
 #include <stdio.h>
+#include <bluetooth/hci_lib.h>
 
 int main(int argc, char *argv[]) {
   printf("Hello world, I am the beacon\n");
+
   return 0;
 }