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-rw-r--r--scripts/Kbuild.include6
1 files changed, 6 insertions, 0 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index dfadb1c94368..064f477dfdca 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -105,6 +105,12 @@ endif
$(make-cache): ;
-include $(make-cache)
+# If cache exceeds 1000 lines, shrink it down to 500.
+ifneq ($(word 1000,$(filter __cached_%, $(.VARIABLES))),)
+$(shell tail -n 500 $(make-cache) > $(make-cache).tmp; \
+ mv $(make-cache).tmp $(make-cache))
+endif
+
# Usage: $(call __sanitize-opt,Hello=Hola$(comma)Goodbye Adios)
#
# Convert all '$', ')', '(', '\', '=', ' ', ',', ':' to '_'