Fix a problem in autoconf/configure.ac causing --enable-readline to fail if libedit was not present.

FossilOrigin-Name: e8adeb64d4e463772feb58dbd6f00715b92e735c

autoconf/configure.ac

@@ -49,6 +49,8 @@ if test x"$enable_editline" != xno ; then
   READLINE_LIBS=$LIBS
   if test x"$LIBS" != "x"; then
      AC_DEFINE([HAVE_EDITLINE],1,Define to use BSD editline)
+  else
+    unset ac_cv_search_readline
   fi
   LIBS=$sLIBS
 fi

manifest

@@ -1,5 +1,5 @@
-C Case\sfolding\sin\sthe\sLIKE\soperator\sshould\slook\sat\sall\sbits\sof\sthe\scharacter,\nnot\sjust\sthe\slower\s8\sbits.\s\sFix\sfor\sticket\s[80369eddd5c94].\s\sThis\sis\sa\nback-out\sof\scheck-in\s[0a99a8c4facf]\swith\sa\stestcase\sadded.
-D 2016-01-20T14:22:41.167
+C Fix\sa\sproblem\sin\sautoconf/configure.ac\scausing\s--enable-readline\sto\sfail\sif\slibedit\swas\snot\spresent.
+D 2016-01-20T15:19:56.944
 F Makefile.in a476545d0c8626224d0bacac85c6e2967474af81
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 01e855f958932d0d3ed62ec675fc63e2cef61fcb
@@ -13,7 +13,7 @@ F autoconf/INSTALL 83e4a25da9fd053c7b3665eaaaf7919707915903
 F autoconf/Makefile.am 089e5ecdb5761e64ea1013ded02feb4d8b29927d
 F autoconf/README 14458f1046c118efa721aadec5f227e876d3cd38
 F autoconf/README.first 6c4f34fe115ff55d4e8dbfa3cecf04a0188292f7
-F autoconf/configure.ac 2f41055b10873cfe443a08185343e38c47e2f9f0
+F autoconf/configure.ac 7b1ea0dcaf49fafba262ce4b0ee8cb3281b555d1
 F autoconf/tea/Makefile.in b438a7020446c8a8156e8d97c8914a04833da6fd
 F autoconf/tea/README 3e9a3c060f29a44344ab50aec506f4db903fb873
 F autoconf/tea/aclocal.m4 52c47aac44ce0ddb1f918b6993e8beb8eee88f43
@@ -1419,8 +1419,7 @@ F tool/vdbe_profile.tcl 246d0da094856d72d2c12efec03250d71639d19f
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 18d61c8e40ed1466b6a3a2f53bf0eeb09687c20e
-Q -0a99a8c4facf65ec67d8d86108c9a3f723f7cbd6
-R a12b99ab1200f8dc9c9bb177fd701c6e
-U drh
-Z 48772c507adcfea733ff1f22cebdbc4d
+P 204432ee72fda8e82d244c4aa18de7ec4811b8e1
+R 88c735abd00a694aa5831ac3200d7df4
+U dan
+Z 23cee0c6751a379626b5009d557e2a86

manifest.uuid

@@ -1 +1 @@
-204432ee72fda8e82d244c4aa18de7ec4811b8e1
+e8adeb64d4e463772feb58dbd6f00715b92e735c