1 files changed, 1 insertions, 1 deletions
diff --git a/auto.def b/auto.def
index 7483db2..5781d98 100644
--- a/auto.def
+++ b/auto.def
@@ -122,7 +122,7 @@ if {[opt-bool coverage]} {
 }
 
 cc-check-includes time.h sys/time.h sys/socket.h netinet/in.h arpa/inet.h netdb.h
-cc-check-includes util.h pty.h sys/un.h dlfcn.h unistd.h dirent.h crt_externs.h
+cc-check-includes util.h pty.h sys/un.h dlfcn.h unistd.h dirent.h crt_externs.h execinfo.h
 
 # Check sizeof time_t so we can warn on non-Y2038 compliance
 cc-with {-includes time.h} {