Add the --disable-rpath configure script flag to address

Upstream: https://sqlite.org/src/info/a59d9bb25e

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>

Index: autosetup/sqlite-config.tcl
==================================================================
--- a/autosetup/sqlite-config.tcl
+++ b/autosetup/sqlite-config.tcl
@@ -334,12 +334,12 @@
         # canonical build!
         static-shell=1
           => {Link the sqlite3 shell app against the DLL instead of embedding sqlite3.c}
       }
       {canonical autoconf} {
-        # A potential TODO without a current use case:
-        #rpath=1 => {Disable use of the rpath linker flag}
+        rpath=1 => {Disable use of the rpath linker flag}
+
         # soname: https://sqlite.org/src/forumpost/5a3b44f510df8ded
         soname:=legacy
           => {SONAME for libsqlite3.so. "none", or not using this flag, sets no
               soname. "legacy" sets it to its historical value of
               libsqlite3.so.0.  A value matching the glob "libsqlite3.*" sets
@@ -2138,25 +2138,25 @@
 }
 
 ########################################################################
 # Handle the --enable/disable-rpath flag.
 proc sqlite-handle-rpath {} {
-  proj-check-rpath
   # autosetup/cc-shared.tcl sets the rpath flag definition in
   # [get-define SH_LINKRPATH], but it does so on a per-platform basis
   # rather than as a compiler check. Though we should do a proper
   # compiler check (as proj-check-rpath does), we may want to consider
   # adopting its approach of clearing the rpath flags for environments
   # for which sqlite-env-is-unix-on-windows returns a non-empty
   # string.
 
-#  if {[proj-opt-truthy rpath]} {
-#    proj-check-rpath
-#  } else {
-#    msg-result "Disabling use of rpath."
-#    define LDFLAGS_RPATH ""
-#  }
+  # https://sqlite.org/forum/forumpost/13cac3b56516f849
+  if {[proj-opt-truthy rpath]} {
+    proj-check-rpath
+  } else {
+    msg-result "Disabling use of rpath."
+    define LDFLAGS_RPATH ""
+  }
 }
 
 ########################################################################
 # If the --dump-defines configure flag is provided then emit a list of
 # all [define] values to config.defines.txt, else do nothing.