From 2d5b83197a2035b95efdd954f086f099b67ae139 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 27 Oct 2021 11:47:52 +0200
Subject: [PATCH] build: add HOST_OS_LINUX and HOST_OS_MACOS config symbols

This can be used to simplify host os tests in various places

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 Config.in             | 8 ++++++++
 config/check-uname.sh | 1 +
 2 files changed, 9 insertions(+)
 create mode 100755 config/check-uname.sh

diff --git a/Config.in b/Config.in
index 546e8249ccb..65b6dd86aac 100644
--- a/Config.in
+++ b/Config.in
@@ -13,6 +13,14 @@ config HAVE_DOT_CONFIG
 	bool
 	default y
 
+HOST_OS := $(shell, uname)
+
+config HOST_OS_LINUX
+	def_bool $(shell, ./config/check-uname.sh Linux)
+
+config HOST_OS_MACOS
+	def_bool $(shell, ./config/check-uname.sh Darwin)
+
 source "target/Config.in"
 
 source "config/Config-images.in"
diff --git a/config/check-uname.sh b/config/check-uname.sh
new file mode 100755
index 00000000000..1f1bf9ee076
--- /dev/null
+++ b/config/check-uname.sh
@@ -0,0 +1 @@
+[ "$(uname)" = "$1" ] && echo y || echo n