Remove traces of Sun -lposix4.

This was a library on ancient Solaris systems, which was eventually
replaced by -lrt, itself now redundant on that OS.

Reviewed-by: Peter Eisentraut <[email protected]>
Reviewed-by: Tristan Partin <[email protected]>
Discussion: https://postgr.es/m/CA%2BhUKGLLVx4drdvXats9PxH3eeB%2BE2NkJReJ%2BRGmaOpU%3D9rgEA%40mail.gmail.com

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index e5f0df5bcc4..d47e0f8b260 100755
--- a/configure
+++ b/configure
@@ -12163,7 +12163,7 @@ return clock_gettime ();
   return 0;
 }
 _ACEOF
-for ac_lib in '' rt posix4; do
+for ac_lib in '' rt; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else