X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2FMakefile.local;h=88d8debca8e19600cf86cded2ae27cf77ea93e84;hp=fe429207c2d482c01b150093d227e525323f0c6c;hb=52e4dedf9aa;hpb=d15faa1dbe8fcf55291525981b1762d9d08a80ca

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)