build: allow specifying optimization level
commit918f4359371e2cacbc335c1b80b1c86bd4db693e
authorJosef 'Jeff' Sipek <jeffpc@josefsipek.net>
Tue, 6 Aug 2019 13:41:34 +0000 (6 09:41 -0400)
committerJosef 'Jeff' Sipek <jeffpc@josefsipek.net>
Tue, 6 Aug 2019 13:41:34 +0000 (6 09:41 -0400)
treea0fd6ac2af829f7b423a75aaf64bec9b4e6bca11
parente216ee5fec87d2b49ddf24e0f8d5f7cc8d440cb1
build: allow specifying optimization level

This will be useful to minimize the size of the loader to make it fit into
dasd blocks.

Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
build.mk