build-aux: use GNU sed for syntax-check on FreeBSD

BSD sed(1) and GNU sed(1) syntax are not compatible, and as
synax-check.mk uses the GNU flavor, set SED variable to
'gsed' by default.

Signed-off-by: Roman Bogorodskiy <bogorodskiy@gmail.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

diff --git a/build-aux/syntax-check.mk b/build-aux/syntax-check.mk
index af3af54de4d4bd3dc564bed84cf8563431877001..80b94425a0ffa47a2e35ed70cc5d5f9f2f26835a 100644 (file)
--- a/build-aux/syntax-check.mk
+++ b/build-aux/syntax-check.mk
@@ -28,7 +28,15 @@ ME := build-aux/syntax-check.mk
 # ignoring the module description.
 AWK ?= awk
 GREP ?= grep
+# FreeBSD (and probably some other OSes too) ships own version of sed(1), not
+# compatible with the GNU sed. GNU sed is available as gsed(1), so use this
+# instead
+UNAME := $(shell uname)
+ifeq ($(UNAME),FreeBSD)
+SED ?= gsed
+else
 SED ?= sed
+endif
 
 # Helper variables.
 _empty =