Commit 9ef622e3 authored by Peter Maydell's avatar Peter Maydell Committed by Paolo Bonzini
Browse files

rules.mak: New string testing functions 



Add new string testing functions which return a y/n result:
 eq : are two strings equal (ignoring leading/trailing space)?
 ne : are two strings unequal?
 isempty : is a string empty?
 notempty : is a string non-empty?

Based on an idea by Ákos Kovács <akoskovacs@gmx.com>.

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 837a2e26

rules.mak

+11 −0
Original line number Diff line number Diff line
@@ -106,6 +106,17 @@ leqv = $(if $(filter $(call lnot,$1),$(call lnot,$2)),y,n) 
# Logical if: like make's $(if) but with an leqv-like test

lif = $(if $(subst n,,$1),$2,$3)



# String testing functions: inputs to these can be any string;

# the output is always either "y" or "n". Leading and trailing whitespace

# is ignored when comparing strings.

# String equality

eq = $(if $(subst $2,,$1)$(subst $1,,$2),n,y)

# String inequality

ne = $(if $(subst $2,,$1)$(subst $1,,$2),y,n)

# Emptiness/non-emptiness tests:

isempty = $(if $1,n,y)

notempty = $(if $1,y,n)



# Generate files with tracetool

TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py