Add a rule to test if a string starts with a substring. Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com> --- rules.mak | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/rules.mak b/rules.mak index 694865b63e..e39bee93d5 100644 --- a/rules.mak +++ b/rules.mak @@ -191,6 +191,13 @@ ne = $(if $(subst $2,,$1)$(subst $1,,$2),y,n) isempty = $(if $1,n,y) notempty = $(if $1,y,n) +# startwith +# Usage: $(call startwith, startstr, fullstr) +# +# This macro returns a string (TRUE) when @fullstr starts with +# @startstr, else returns the empty string (FALSE) +startwith = $(findstring :$(strip $1),:$(strip $2)) + # Generate files with tracetool TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py -- 2.21.3
