From 5b265088fe1eef5de166e51992e9c31ea52325b1 Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Fri, 19 Oct 2018 13:27:11 +0200
Subject: [PATCH] Makefile.include: use external setsid with debug target

Only when setsid is not provided by the system which is typically the case on MacOSX
---
 Makefile.include | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Makefile.include b/Makefile.include
index befb9d8647..18f272c6d6 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -570,6 +570,16 @@ define check_cmd
 	    exit 1;}
 endef
 
+# Check if setsid command is available on the system for debug target
+# This is not the case on MacOSX, so it must be built on the fly
+ifneq (,$(filter debug, $(MAKECMDGOALS)))
+  ifneq (0,$(shell which setsid 2>&1 > /dev/null ; echo $$?))
+    SETSID = $(RIOTTOOLS)/setsid/setsid
+    $(call target-export-variables,debug,$(SETSID))
+    DEBUGDEPS += $(SETSID)
+  endif
+endif
+
 ..compiler-check:
 	$(call check_cmd,$(CC),Compiler)
 
@@ -643,7 +653,7 @@ list-ttys:
 doc:
 	make -BC $(RIOTBASE) doc
 
-debug:
+debug: $(DEBUGDEPS)
 	$(call check_cmd,$(DEBUGGER),Debug program)
 	$(DEBUGGER) $(DEBUGGER_FLAGS)