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-rw-r--r--scripts/Makefile.build7
1 files changed, 6 insertions, 1 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index b6ae652a943f..3c1e20e4a4fc 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -377,9 +377,14 @@ $(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ;
#
# Rule to compile a set of .o files into one .a file (without symbol table)
#
+# To make this rule robust against "Argument list too long" error,
+# remove $(obj)/ prefix, and restore it by a shell command.
quiet_cmd_ar_builtin = AR $@
- cmd_ar_builtin = rm -f $@; $(AR) cDPrST $@ $(real-prereqs)
+ cmd_ar_builtin = rm -f $@; \
+ echo $(patsubst $(obj)/%,%,$(real-prereqs)) | \
+ sed -E 's:([^ ]+):$(obj)/\1:g' | \
+ xargs $(AR) cDPrST $@
$(obj)/built-in.a: $(real-obj-y) FORCE
$(call if_changed,ar_builtin)