3 files changed, 78 insertions, 1 deletions
diff --git a/meta/recipes-devtools/automake/automake.inc b/meta/recipes-devtools/automake/automake.inc
index a1debd8d53..4f9b5f7740 100644
--- a/meta/recipes-devtools/automake/automake.inc
+++ b/meta/recipes-devtools/automake/automake.inc
@@ -10,6 +10,9 @@ SRC_URI = "${GNU_MIRROR}/automake/automake-${PV}.tar.gz"
 inherit autotools texinfo
 
 do_configure() {
+	# We can end up patching macros, which would then mean autoreconf
+	# Cheat by saying everything is up to date.
+	touch ${S}/aclocal.m4 ${S}/Makefile.in ${S}/configure
 	oe_runconf
 }
 
diff --git a/meta/recipes-devtools/automake/automake/performance.patch b/meta/recipes-devtools/automake/automake/performance.patch
new file mode 100644
index 0000000000..3e6d5694dc
--- /dev/null
+++ b/meta/recipes-devtools/automake/automake/performance.patch
@@ -0,0 +1,73 @@
+By default automake puts "sleep 1" into the start of configure scripts
+which adds pointless delays to them. Rather than do this, lets just assume 
+our systems are sane.
+
+RP
+2015/12/7
+Upstream-Status: Inappropriate
+
+Index: automake-1.15/m4/sanity.m4
+===================================================================
+--- automake-1.15.orig/m4/sanity.m4
++++ automake-1.15/m4/sanity.m4
+@@ -23,60 +23,5 @@ case $srcdir in
+     AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
+ esac
+ 
+-# Do 'set' in a subshell so we don't clobber the current shell's
+-# arguments.  Must try -L first in case configure is actually a
+-# symlink; some systems play weird games with the mod time of symlinks
+-# (eg FreeBSD returns the mod time of the symlink's containing
+-# directory).
+-if (
+-   am_has_slept=no
+-   for am_try in 1 2; do
+-     echo "timestamp, slept: $am_has_slept" > conftest.file
+-     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+-     if test "$[*]" = "X"; then
+-	# -L didn't work.
+-	set X `ls -t "$srcdir/configure" conftest.file`
+-     fi
+-     if test "$[*]" != "X $srcdir/configure conftest.file" \
+-	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
+-
+-	# If neither matched, then we have a broken ls.  This can happen
+-	# if, for instance, CONFIG_SHELL is bash and it inherits a
+-	# broken ls alias from the environment.  This has actually
+-	# happened.  Such a system could not be considered "sane".
+-	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+-  alias in your environment])
+-     fi
+-     if test "$[2]" = conftest.file || test $am_try -eq 2; then
+-       break
+-     fi
+-     # Just in case.
+-     sleep 1
+-     am_has_slept=yes
+-   done
+-   test "$[2]" = conftest.file
+-   )
+-then
+-   # Ok.
+-   :
+-else
+-   AC_MSG_ERROR([newly created file is older than distributed files!
+-Check your system clock])
+-fi
+ AC_MSG_RESULT([yes])
+-# If we didn't sleep, we still need to ensure time stamps of config.status and
+-# generated files are strictly newer.
+-am_sleep_pid=
+-if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+-  ( sleep 1 ) &
+-  am_sleep_pid=$!
+-fi
+-AC_CONFIG_COMMANDS_PRE(
+-  [AC_MSG_CHECKING([that generated files are newer than configure])
+-   if test -n "$am_sleep_pid"; then
+-     # Hide warnings about reused PIDs.
+-     wait $am_sleep_pid 2>/dev/null
+-   fi
+-   AC_MSG_RESULT([done])])
+-rm -f conftest.file
+ ])
diff --git a/meta/recipes-devtools/automake/automake_1.15.bb b/meta/recipes-devtools/automake/automake_1.15.bb
index c33dc22679..4f280ba8c3 100644
--- a/meta/recipes-devtools/automake/automake_1.15.bb
+++ b/meta/recipes-devtools/automake/automake_1.15.bb
@@ -20,7 +20,8 @@ RDEPENDS_${PN}_class-native = "autoconf-native perl-native-runtime"
 
 SRC_URI += " file://python-libdir.patch \
             file://py-compile-compile-only-optimized-byte-code.patch \
-            file://buildtest.patch"
+            file://buildtest.patch \
+            file://performance.patch"
 
 SRC_URI[md5sum] = "716946a105ca228ab545fc37a70df3a3"
 SRC_URI[sha256sum] = "7946e945a96e28152ba5a6beb0625ca715c6e32ac55f2e353ef54def0c8ed924"