Remove bb_strlen() in favor of -fno-builtin-strlen. Saves as many bytes
as the old optimization did (actually does slightly better under gcc 4.0), and
simplifies the code.
diff --git a/libbb/Makefile.in b/libbb/Makefile.in
index 102047d..865b7e7 100644
--- a/libbb/Makefile.in
+++ b/libbb/Makefile.in
@@ -69,7 +69,7 @@
LIBBB_MSRC1:=$(srcdir)/xfuncs.c
LIBBB_MOBJ1:=xmalloc.o xrealloc.o xcalloc.o xstrdup.o xstrndup.o \
xfopen.o xopen.o xopen3.o xread.o xread_all.o xread_char.o \
- xferror.o xferror_stdout.o xfflush_stdout.o strlen.o
+ xferror.o xferror_stdout.o xfflush_stdout.o
LIBBB_MOBJ1:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ1))
$(LIBBB_MOBJ1):$(LIBBB_MSRC1)
$(compile.c) -DL_$(notdir $*)
@@ -101,7 +101,7 @@
$(compile.c) -DL_$(notdir $*)
LIBBB_MSRC6:=$(srcdir)/llist.c
-LIBBB_MOBJ6:=llist_add_to.o llist_add_to_end.o llist_free_one.o llist_free.o
+LIBBB_MOBJ6:=llist_add_to.o llist_add_to_end.o llist_pop.o llist_free.o
LIBBB_MOBJ6:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ6))
$(LIBBB_MOBJ6):$(LIBBB_MSRC6)
$(compile.c) -DL_$(notdir $*)