Build: check if specified external image exists
authorMasahiro Yamada <yamada.masahiro@socionext.com>
Fri, 26 Jan 2018 02:42:01 +0000 (11:42 +0900)
committerMasahiro Yamada <yamada.masahiro@socionext.com>
Thu, 1 Feb 2018 11:20:03 +0000 (20:20 +0900)
commit802d2dd2ba913a0ea6bd70487d652b03346f9ed5
treed9acd7a104580752c42b5d593f1b720419b60957
parent334e1ceb4812982543ce2f77a61087477915042c
Build: check if specified external image exists

check_* targets check if the required option are given, but do not
check the validity of the argument.  If the specified file does not
exist, let the build fail immediately instead of passing the invalid
file path to tools.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
make_helpers/build_macros.mk