From: Mahesh Kumar Kalikot Veetil <mkalikot@xxxxxxxxxxxxxx>
Modules with a large number of compilation units can exceed execv
argument list resulting in E2BIG (Argument list too long) error.
Fix this by replacing shell 'echo > file' into a more native
$(file op filename[,text]) option.
Signed-off-by: Mahesh Kumar Kalikot Veetil <mkalikot@xxxxxxxxxxxxxx>
Signed-off-by: Jeff Johnson <jjohnson@xxxxxxxxxxxxxx>
---
scripts/Makefile.build | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 4c058f1..252b7d2 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -279,10 +279,11 @@ $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE
$(call if_changed_rule,cc_o_c)
$(call cmd,force_checksrc)
-cmd_mod = { \
- echo $(if $($*-objs)$($*-y)$($*-m), $(addprefix $(obj)/, $($*-objs) $($*-y) $($*-m)), $(@:.mod=.o)); \
- $(undefined_syms) echo; \
- } > $@
+cmd_mod = $(file >$@,\
+ $(if $($*-objs)$($*-y)$($*-m), \
+ $(addprefix $(obj)/, $($*-objs) $($*-y) $($*-m)), \
+ $(@:.mod=.o))) \
+ $(undefined_syms) echo >> $@
$(obj)/%.mod: $(obj)/%.o FORCE
$(call if_changed,mod)
--
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