Re: [PATCH v5 04/11] rules.mak: Add strequal() and startwith() and rules

[Philippe Mathieu-Daudé]

On 6/5/20 2:48 PM, Markus Armbruster wrote:
> Philippe Mathieu-Daudé <philmd@redhat.com> writes:
> 
>> Add a rule to test if two strings are equal,
>> and another to test if a string starts with a substring,
>>
>> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
>> ---
>>  rules.mak | 14 ++++++++++++++
>>  1 file changed, 14 insertions(+)
>>
>> diff --git a/rules.mak b/rules.mak
>> index 694865b63e..ccc1c49604 100644
>> --- a/rules.mak
>> +++ b/rules.mak
>> @@ -191,6 +191,20 @@ ne = $(if $(subst $2,,$1)$(subst $1,,$2),y,n)
>>  isempty = $(if $1,n,y)
>>  notempty = $(if $1,y,n)
>>  
>> +# strequal
>> +# Usage: $(call strequal, str1, str2)
>> +#
>> +# This macro returns a string (TRUE) when @str1 and @str2
>> +# are equal, else returns the empty string (FALSE)
>> +strequal = $(if $(subst $2,,$1)$(subst $1,,$2),,$1)
>> +
>> +# startwith
>> +# Usage: $(call startwith, startstr, fullstr)
>> +#
>> +# This macro returns a string (TRUE) when @fullstr starts with
>> +# @startstr, else returns the empty string (FALSE)
>> +startwith = $(findstring :$1,:$2)
>> +
>>  # Generate files with tracetool
>>  TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py
> 
> Should this be spelled startswith?

Indeed... Does that mean I can respin with your R-b here and in the next
patch? :P