diff options
Diffstat (limited to 'make_helpers/build_macros.mk')
| -rw-r--r-- | make_helpers/build_macros.mk | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk index 2312d2c92..93db2d664 100644 --- a/make_helpers/build_macros.mk +++ b/make_helpers/build_macros.mk @@ -1,5 +1,5 @@ # -# Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved. +# Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: @@ -81,6 +81,16 @@ define assert_boolean $(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) endef +0-9 := 0 1 2 3 4 5 6 7 8 9 + +# Function to verify that a given option $(1) contains a numeric value +define assert_numeric +$(if $($(1)),,$(error $(1) must not be empty)) +$(eval __numeric := $($(1))) +$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) +$(if $(__numeric),$(error $(1) must be numeric)) +endef + # IMG_LINKERFILE defines the linker script corresponding to a BL stage # $(1) = BL stage (2, 30, 31, 32, 33) define IMG_LINKERFILE |