Remove obsolescent macro AM_PROG_CC_C_O

No longer necessary since automake-1.14

diff --git a/configure.ac b/configure.ac
index 1261c02..5180189 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -14,9 +14,6 @@ dnl Testing the C compiler.
 AC_PROG_CC
 AC_LANG_C
 
-dnl For per-target flags
-AM_PROG_CC_C_O
-
 dnl Checking for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_TYPE_PID_T