check_radius: Support FreeRADIUS Client library

Allow for using the FreeRADIUS Client library instead of radiusclient or
radiusclient-ng.  The latter two projects are dead.

Closes #1231.

1 files changed, 9 insertions, 2 deletions

diff --git a/configure.ac b/configure.ac
index a7501ab7..9aaa515e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -286,8 +286,15 @@ AS_IF([test "x$with_radius" != "xno"], [
           RADIUSLIBS="-lradiusclient-ng"
       AC_SUBST(RADIUSLIBS)
     else
-      AC_MSG_WARN([Skipping radius plugin])
-      AC_MSG_WARN([install radius libs to compile this plugin (see REQUIREMENTS).])
+      AC_CHECK_LIB(freeradius-client,rc_read_config)
+      if test "$ac_cv_lib_freeradius_client_rc_read_config" = "yes"; then
+        EXTRAS="$EXTRAS check_radius\$(EXEEXT)"
+        RADIUSLIBS="-lfreeradius-client"
+        AC_SUBST(RADIUSLIBS)
+      else
+        AC_MSG_WARN([Skipping radius plugin])
+        AC_MSG_WARN([install radius libs to compile this plugin (see REQUIREMENTS).])
+      fi
     fi
   fi
   LIBS="$_SAVEDLIBS"