Add errno.h

[oweals/busybox.git] / busybox.sh

diff --git a/busybox.sh b/busybox.sh
index 22493bf5913da529abd92e95cf7c6bf179999e5d..547aca4774f8d1b1174cc587b890c7ff2dc4a4b4 100755 (executable)
--- a/busybox.sh
+++ b/busybox.sh
@@ -3,8 +3,9 @@
 RAW=` \
     gcc -E -dM ${1:-Config.h} | \
     sed -n -e '/^.*BB_FEATURE.*$/d;s/^#define.*\<BB_\(.*\)\>/\1.c/gp;' \
-    | tr '[:upper:]' '[:lower:]' | sort
+    | tr A-Z a-z | sort
 `
+test "${RAW}" != "" ||  exit
 cd ${2:-.}
 # I added in the extra "ls" so only source files that
 # actually exist will show up in the compile list.