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-rw-r--r--lib/Makefile.local2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Makefile.local b/lib/Makefile.local
index fe429207..88d8debc 100644
--- a/lib/Makefile.local
+++ b/lib/Makefile.local
@@ -76,7 +76,7 @@ $(dir)/$(LIBNAME): $(libnotmuch_modules) notmuch.sym
notmuch.sym: lib/notmuch.h
printf "{\nglobal:\n" > notmuch.sym
- sed -n 's/^\s*\(notmuch_[a-z_]*\)\s*(.*/\t\1;/p' $< >> notmuch.sym
+ sed -n 's/^[[:space:]]*\(notmuch_[a-z_]*\)[[:space:]]*(.*/'"`printf "\t"`"'\1;/p' $< >> notmuch.sym
printf "local: *;\n};\n" >> notmuch.sym
$(dir)/$(SONAME): $(dir)/$(LIBNAME)