osmith submitted this change.

Approvals:
  laforge: Looks good to me, approved
  fixeria: Looks good to me, but someone else must approve
  Jenkins Builder: Verified

gcc/Makefile: fail early if xxd is not installed

Since aaec8734 ("add fw update crcstub") the xxd program is required for
running the Makefile.

Change-Id: I6a3e7021929ba58c14f1ffced5702d2dfa839ebe
---
M gcc/Makefile
1 file changed, 4 insertions(+), 0 deletions(-)

diff --git a/gcc/Makefile b/gcc/Makefile
index b5d3cf0..27a9143 100644
--- a/gcc/Makefile
+++ b/gcc/Makefile
@@ -13,6 +13,10 @@
 
 MK_DIR = mkdir -p
 
+ifeq (, $(shell which xxd))
+$(error missing required program "xxd")
+endif
+
 OBJS +=  \
 hal/src/hal_io.o \
 hpl/core/hpl_core_m4.o \

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