Fix build failures on Ubuntu 13.10.

Automake now insists that we run AM_PROG_AR if we're going to build a
library, and AM_PROG_CC_C_O if we're going to build anything with
extra compile options. Those extra macros seem harmless in previous
versions of automake.

git-svn-id: http://svn.tartarus.org/sgt/putty@10053 cda61777-01e9-0310-a592-d414129be87e

diff --git a/unix/configure.ac b/unix/configure.ac
index c0756fddc61c32a3f4865be39bbfc38f090ec59d..108ec86c6091f13db39690cf94f20ce976c07897 100644 (file)
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -14,6 +14,8 @@ AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
 AC_PROG_INSTALL
 AC_PROG_RANLIB
+AM_PROG_AR
+AM_PROG_CC_C_O
 
 # Mild abuse of the '--enable' option format to allow manual
 # specification of setuid or setgid setup in pterm.