X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fargv-parser.h;h=6e6d83ff82cac17a4a0decc875b73ba4d1a6195a;hb=00aad3b983774328140a04436d7d6ae7925fec97;hp=3406ba216746e6d7d5aa4203da0487857a3599b2;hpb=bd17d2af982332ee1791998361b1ac6731fe14fa;p=pspp

diff --git a/src/libpspp/argv-parser.h b/src/libpspp/argv-parser.h
index 3406ba2167..6e6d83ff82 100644
--- a/src/libpspp/argv-parser.h
+++ b/src/libpspp/argv-parser.h
@@ -37,6 +37,7 @@
 
 #include <getopt.h>
 #include <stdbool.h>
+#include <stddef.h>
 
 struct argv_option
   {