support/dependencies: check for system-provided bison and flex

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Arnout Vandecappelle <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Yann E. MORIN 2018-08-17 18:06:48 +02:00 committed by Thomas Petazzoni
parent 373ac58b82
commit 3ab56f8a63

View File

@ -0,0 +1,10 @@
# If the system lacks bison or flex, add
# dependencies to suitable host packages
ifeq ($(shell which bison 2>/dev/null),)
BR2_BISON_HOST_DEPENDENCY = host-bison
endif
ifeq ($(shell which flex 2>/dev/null),)
BR2_FLEX_HOST_DEPENDENCY = host-flex
endif