Write configure message to AS_MESSAGE_FD

aclocal.m4

@@ -13,7 +13,7 @@
 
 m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
 dnl pkg.m4 - Macros to locate and utilise pkg-config.   -*- Autoconf -*-
-dnl serial 11 (pkg-config-0.29.1)
+dnl serial 11 (pkg-config-0.29)
 dnl
 dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
 dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
@@ -55,7 +55,7 @@ dnl
 dnl See the "Since" comment for each macro you use to see what version
 dnl of the macros you require.
 m4_defun([PKG_PREREQ],
-[m4_define([PKG_MACROS_VERSION], [0.29.1])
+[m4_define([PKG_MACROS_VERSION], [0.29])
 m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
     [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
 ])dnl PKG_PREREQ

configure

@@ -17872,7 +17872,7 @@ mv config.c Modules
 if test "$Py_OPT" = 'false' -a "$Py_DEBUG" != 'true'; then
     echo "" >&6
     echo "" >&6
-    echo "If you want a release build with all optimizations active (LTO, PGO, etc),"
+    echo "If you want a release build with all optimizations active (LTO, PGO, etc)," >&6
     echo "please run ./configure --with-optimizations" >&6
     echo "" >&6
     echo "" >&6

configure.ac

@@ -5394,7 +5394,7 @@ mv config.c Modules
 if test "$Py_OPT" = 'false' -a "$Py_DEBUG" != 'true'; then
     echo "" >&AS_MESSAGE_FD
     echo "" >&AS_MESSAGE_FD
-    echo "If you want a release build with all optimizations active (LTO, PGO, etc),"
+    echo "If you want a release build with all optimizations active (LTO, PGO, etc)," >&AS_MESSAGE_FD
     echo "please run ./configure --with-optimizations" >&AS_MESSAGE_FD
     echo "" >&AS_MESSAGE_FD
     echo "" >&AS_MESSAGE_FD