[Buildroot] [git commit] package/gensio: fix musl build

[Buildroot] [git commit] package/gensio: fix musl build

[Thomas Petazzoni]

commit: https://git.buildroot.net/buildroot/commit/?id=000546fd7cdcb2cc2be2d574e5c2d51caddaf834
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

Fix the following musl build failure raised since bump to version 2.5.2
in commit 5bb747f0b783a0d3f1712350ca3277263045b299:

gensiotool.c:47:10: fatal error: sys/unistd.h: No such file or directory
   47 | #include <sys/unistd.h>
      |          ^~~~~~~~~~~~~~

Fixes:
 - http://autobuild.buildroot.org/results/99a60831da94f94fdf798c1c30cc09f0e51416c7

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
 .../0001-tools-gensiot-Fix-build-with-musl.patch   | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/package/gensio/0001-tools-gensiot-Fix-build-with-musl.patch b/package/gensio/0001-tools-gensiot-Fix-build-with-musl.patch
new file mode 100644
index 0000000000..7cda950c9e
--- /dev/null
+++ b/package/gensio/0001-tools-gensiot-Fix-build-with-musl.patch
@@ -0,0 +1,29 @@
+From 64f8f754447572a6b7bed4038a9a29a12b448479 Mon Sep 17 00:00:00 2001
+From: Jan Luebbe <jlu@pengutronix.de>
+Date: Thu, 25 Aug 2022 12:19:16 +0200
+Subject: [PATCH] tools:gensiot: Fix build with musl
+
+According to POSIX getpid() is available in unistd.h, not sys/unistd.h.
+
+Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
+
+[Retrieved from:
+https://github.com/cminyard/gensio/commit/64f8f754447572a6b7bed4038a9a29a12b448479]
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ tools/gensiotool.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tools/gensiotool.c b/tools/gensiotool.c
+index cac531bb..ab0bb958 100644
+--- a/tools/gensiotool.c
++++ b/tools/gensiotool.c
+@@ -44,7 +44,7 @@
+ #include <signal.h>
+ #include <errno.h>
+ #include <sys/types.h>
+-#include <sys/unistd.h>
++#include <unistd.h>
+ #include <syslog.h>
+ #endif
+ 
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