Document gzip -d

[oweals/busybox.git] / applets / busybox.sh

diff --git a/applets/busybox.sh b/applets/busybox.sh
index 2b452106537694a9d3abfced4d61b47dafdcf01b..6c91e539b34ad2e66c9261a2bc7e0e24825afaa5 100755 (executable)
--- a/applets/busybox.sh
+++ b/applets/busybox.sh
@@ -1,10 +1,13 @@
 #!/bin/sh
 
-# I added in the extra "ls" so only source files that
-# actually exist will show up in the compile list.
-ls -1 ` \
-    gcc -E -dM busybox.def.h | \
+RAW=` \
+    gcc -E -dM ${1:-Config.h} | \
     sed -n -e '/^.*BB_FEATURE.*$/d;s/^#define.*\<BB_\(.*\)\>/\1.c/gp;' \
     | tr '[:upper:]' '[:lower:]' | sort
-` 2>/dev/null | sed -e 's/\.c$/\.o/g'
+`
+test "${RAW}" != "" ||  exit
+cd ${2:-.}
+# I added in the extra "ls" so only source files that
+# actually exist will show up in the compile list.
+ls -1 $RAW 2>/dev/null | sed -e 's/\.c$/\.o/g'