libtool: Make sure ltmain.sh is always regenerated. We can't just remove it since it has to be present to run configure

meta/packages/libtool/libtool-2.2.6/trailingslash.patch

@@ -4,24 +4,6 @@ This is because libdir has a trailing slash which breaks the comparision.
 
 RP 2/1/10
 
-Index: libtool-2.2.6/libltdl/config/ltmain.sh
-===================================================================
---- libtool-2.2.6.orig/libltdl/config/ltmain.sh	2008-09-07 18:56:33.000000000 +0100
-+++ libtool-2.2.6/libltdl/config/ltmain.sh	2010-02-02 15:36:17.083936911 +0000
-@@ -2009,8 +2009,12 @@
- 	dir="$dir$objdir"
- 
- 	if test -n "$relink_command"; then
-+          # Strip any trailing slash from the destination.
-+          func_stripname '' '/' "$libdir"
-+          destlibdir=$func_stripname_result
-+
- 	  # Determine the prefix the user has applied to our future dir.
--	  inst_prefix_dir=`$ECHO "X$destdir" | $Xsed -e "s%$libdir\$%%"`
-+	  inst_prefix_dir=`$ECHO "X$destdir" | $Xsed -e "s%$destlibdir\$%%"`
- 
- 	  # Don't allow the user to place us outside of our expected
- 	  # location b/c this prevents finding dependent libraries that
 Index: libtool-2.2.6/libltdl/config/ltmain.m4sh
 ===================================================================
 --- libtool-2.2.6.orig/libltdl/config/ltmain.m4sh	2010-02-02 16:06:29.793905001 +0000

meta/packages/libtool/libtool-cross_2.2.6.bb

@@ -1,6 +1,6 @@
 require libtool_${PV}.bb
 
-PR = "r29"
+PR = "r30"
 PACKAGES = ""
 SRC_URI_append = " file://cross_compile.patch;patch=1 \
                    file://prefix.patch;patch=1"
@@ -22,7 +22,9 @@ do_configure_prepend () {
 }
 
 do_compile () {
-	:
+       # Sometimes this file doesn't get rebuilt, force the issue
+       rm -f ${S}/libltdl/config/ltmain.sh
+       make libltdl/config/ltmain.sh
 }
 
 do_install () {

meta/packages/libtool/libtool-native_2.2.6.bb

@@ -1,6 +1,6 @@
 require libtool_${PV}.bb
 
-PR = "r22"
+PR = "r23"
 SRC_URI_append = " file://cross_compile.patch;patch=1 \
                    file://prefix.patch;patch=1"
 

meta/packages/libtool/libtool-nativesdk_2.2.6.bb

@@ -1,6 +1,6 @@
 require libtool_${PV}.bb
 
-PR = "r3"
+PR = "r4"
 SRC_URI_append = " file://cross_compile.patch;patch=1"
 
 inherit nativesdk

meta/packages/libtool/libtool_2.2.6.bb

@@ -1,6 +1,6 @@
 require libtool.inc
 
-PR = "r20"
+PR = "r21"
 
 SRC_URI = "${GNU_MIRROR}/libtool/libtool-${PV}a.tar.gz \
            file://trailingslash.patch;patch=1 \
@@ -16,6 +16,12 @@ inherit autotools
 
 EXTRA_AUTORECONF = "--exclude=libtoolize"
 
+do_compile_prepend () {
+	# Sometimes this file doesn't get rebuilt, force the issue
+	rm -f ${S}/libltdl/config/ltmain.sh
+	make libltdl/config/ltmain.sh
+}
+
 #
 # We want the results of libtool-cross preserved - don't stage anything ourselves.
 #