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 <phi...@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 -- 2.21.3
