Readline 5.1 import for HEAD.

[deliverable/binutils-gdb.git] / readline / README

diff --git a/readline/README b/readline/README
index 7aa939452fbc983a1f777478899066f7a8e8f7aa..8dd09cc5373c85abae7c21911d2cda6520ae7063 100644 (file)
--- a/readline/README
+++ b/readline/README
@@ -1,7 +1,7 @@
 Introduction
 ============
 
-This is the Gnu Readline library, version 4.3.
+This is the Gnu Readline library, version 5.1.
 
 The Readline library provides a set of functions for use by applications
 that allow users to edit command lines as they are typed in.  Both
@@ -102,6 +102,9 @@ SHLIB_XLDFLAGS      Additional flags to pass to SHOBJ_LD for shared library
 SHLIB_LIBS     Any additional libraries that shared libraries should be
                linked against when they are created.
 
+SHLIB_LIBPREF  The prefix to use when generating the filename of the shared
+               library.  The default is `lib'; Cygwin uses `cyg'.
+
 SHLIB_LIBSUFF  The suffix to add to `libreadline' and `libhistory' when
                generating the filename of the shared library.  Many systems
                use `so'; HP-UX uses `sl'.
@@ -118,6 +121,17 @@ SHLIB_LIBVERSION The string to append to the filename to indicate the version
                numbers; use `$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)' on those systems.
                Other Unix versions use different schemes.
 
+SHLIB_DLLVERSION The version number for shared libraries that determines API
+               compatibility between readline versions and the underlying
+               system.  Used only on Cygwin.  Defaults to $SHLIB_MAJOR, but
+               can be overridden at configuration time by defining DLLVERSION
+               in the environment.
+
+SHLIB_DOT      The character used to separate the name of the shared library
+               from the suffix and version information.  The default is `.';
+               systems like Cygwin which don't separate version information
+               from the library name should set this to the empty string.
+
 SHLIB_STATUS   Set this to `supported' when you have defined the other
                necessary variables.  Make uses this to determine whether
                or not shared library creation should be attempted.