README: Mention the missing libieee1284 requirement.

diff --git a/README b/README
index 7cb2717bcb331efb12b249b20a18e5d6f99d7726..f99f569d61e2982c3297a461cf11c9ee10c0954b 100644 (file)
--- a/README
+++ b/README
@@ -43,6 +43,7 @@ Requirements for the C library:
  - libusb-1.0 >= 1.0.16 (optional, used by some drivers)
  - libftdi >= 0.16 or libftdi1 >= 1.0 (optional, used by some drivers)
  - libgpib (optional, used by some drivers)
+ - libieee1284 (optional, used by some drivers)
  - check >= 0.9.4 (optional, only needed to run unit tests)
  - doxygen (optional, only needed for the C API docs)
  - graphviz (optional, only needed for the C API docs)