Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

definitions.mk: Backport math functions/defines #21

Open
wants to merge 1 commit into
base: halium-7.1
Choose a base branch
from
Open

definitions.mk: Backport math functions/defines #21

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
37 changes: 37 additions & 0 deletions core/definitions.mk
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2893,6 +2893,43 @@ $(strip $(if $(filter $(TARGET_ARCH),$(1)),$(TARGET_ARCH),\
$(if $(filter $(TARGET_2ND_ARCH),$(1)),$(TARGET_2ND_ARCH),$(if $(1),none))))
endef

###########################################################
# Basic math functions for positive integers <= 100
#
# (SDK versions for example)
###########################################################
__MATH_NUMBERS := 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 \
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 \
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 \
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 \
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
# Returns true if $(1) is a positive integer <= 100, otherwise returns nothing.
define math_is_number
$(strip \
$(if $(1),,$(error Argument missing)) \
$(if $(word 2,$(1)),$(error Multiple words in a single argument: $(1))) \
$(if $(filter $(1),$(__MATH_NUMBERS)),true))
endef

define _math_check_valid
$(if $(call math_is_number,$(1)),,$(error Only positive integers <= 100 are supported (not $(1))))
endef

# Returns the greater of $1 or $2.
# If $1 or $2 is not a positive integer <= 100, then an error is generated.
define math_max
$(strip $(call _math_check_valid,$(1)) $(call _math_check_valid,$(2)) \
$(lastword $(filter $(1) $(2),$(__MATH_NUMBERS))))
endef

define math_gt_or_eq
$(if $(filter $(1),$(call math_max,$(1),$(2))),true)
endef

#$(warning $(call math_gt_or_eq, 2, 1))
#$(warning $(call math_gt_or_eq, 1, 1))
#$(warning $(if $(call math_gt_or_eq, 1, 2),false,true))

###########################################################
## Other includes
###########################################################
Expand Down