configure.ac: Remove deprecated macro

AM_PROG_CC_C_O has been deprecated upstream for some time now.

As a side effect, this makes "git grep taskpanel" turn up blank!

https://bugzilla.gnome.org/show_bug.cgi?id=692052

diff --git a/configure.ac b/configure.ac
index 11dcafe070c944b813235eaf3d460b3e17350df0..119b851ca9f59ddc6a762e9bbe135ff7cd8ac416 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -16,8 +16,6 @@ m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 # Checks for programs.
 AC_PROG_CC
-# Needed for per-target cflags, like in gnomeshell-taskpanel
-AM_PROG_CC_C_O
 
 # Initialize libtool
 LT_PREREQ([2.2.6])