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-rw-r--r--tools/top.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/top.mk b/tools/top.mk
index 2800f9571..d2388201a 100644
--- a/tools/top.mk
+++ b/tools/top.mk
@@ -25,7 +25,7 @@ endif
THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
# strip off /tools/top.mk to get for example ../../..
-TOP := $(patsubst %/tools/top.mk,%,$(THIS_MAKEFILE))
+TOP := $(subst /tools/top.mk,,$(THIS_MAKEFILE))
$(info top.mk: Initial TOP=$(TOP))
# Set TOP to an absolute path, for example /tinyUSB (from ../../..)