File add_missing_includes_and_define_GNU_SOURCE.patch of Package hplip

From d52301159a5add137b46e7183970ea1f1cbfe8ac Mon Sep 17 00:00:00 2001
From: Martin Wilck <mwilck@suse.com>
Date: Fri, 15 Sep 2023 18:27:13 +0200
Subject: [PATCH 04/19] add missing includes and define GNU_SOURCE

---
 common/utils.c      | 5 +++++
 io/hpmud/jd.c       | 1 +
 protocol/hp_ipp.c   | 4 ++++
 scan/sane/bb_ledm.c | 1 +
 scan/sane/sclpml.c  | 5 +++++
 5 files changed, 16 insertions(+)

diff --git a/common/utils.c b/common/utils.c
index d8ecee9..6f5cef9 100644
--- a/common/utils.c
+++ b/common/utils.c
@@ -1,9 +1,14 @@
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
 #include "utils.h"
 #include "string.h"
 #include <dlfcn.h>
 #include <sys/stat.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 
 extern int errno;
 
diff --git a/io/hpmud/jd.c b/io/hpmud/jd.c
index be3c823..c15ed9c 100644
--- a/io/hpmud/jd.c
+++ b/io/hpmud/jd.c
@@ -31,6 +31,7 @@
 #endif
 
 #include <signal.h>
+#include <stdlib.h>
 #include "hpmud.h"
 #include "hpmudi.h"
 
diff --git a/protocol/hp_ipp.c b/protocol/hp_ipp.c
index 8b72c65..9b05f5e 100644
--- a/protocol/hp_ipp.c
+++ b/protocol/hp_ipp.c
@@ -18,6 +18,10 @@ Boston, MA 02110-1301, USA.
 
 \******************************************************************************/
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
 #include <cups/cups.h>
 #include <cups/language.h>
 #include <cups/ppd.h>
diff --git a/scan/sane/bb_ledm.c b/scan/sane/bb_ledm.c
index 4b18af8..eaf1299 100644
--- a/scan/sane/bb_ledm.c
+++ b/scan/sane/bb_ledm.c
@@ -27,6 +27,7 @@
 # include "xml.h"
 # include <stdlib.h>
 
+# include <unistd.h>
 # include <stdint.h>
 
 # define _STRINGIZE(x) #x
diff --git a/scan/sane/sclpml.c b/scan/sane/sclpml.c
index 9a5975f..3250541 100644
--- a/scan/sane/sclpml.c
+++ b/scan/sane/sclpml.c
@@ -25,11 +25,16 @@
 
 \************************************************************************************/
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <string.h>
+#include <sys/time.h>
 #include "sane.h"
 #include "saneopts.h"
 #include "common.h"
-- 
2.42.0