libtool: powerpc*le-linux support by Alan Modra <amodra@bigpond.net.au>

Patch created using the following changes in libtool:
http://git.savannah.gnu.org/cgit/libtool.git/commit/?id=75ffb257
http://git.savannah.gnu.org/cgit/libtool.git/commit/?id=056889b8
http://git.savannah.gnu.org/cgit/libtool.git/commit/?id=bd998a7e
http://git.savannah.gnu.org/cgit/libtool.git/commit/?id=429d40a0
http://git.savannah.gnu.org/cgit/libtool.git/commit/?id=8a8dfaec

Author: kaplanlior

build/libtool.m4

@@ -615,7 +615,7 @@ ia64-*-hpux*)
   rm -rf conftest*
   ;;
 
-x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
 s390*-*linux*|sparc*-*linux*)
   # Find out which ABI we are using.
   echo 'int i;' > conftest.$ac_ext
@@ -629,7 +629,10 @@ s390*-*linux*|sparc*-*linux*)
         x86_64-*linux*)
           LD="${LD-ld} -m elf_i386"
           ;;
-        ppc64-*linux*|powerpc64-*linux*)
+        powerpc64le-*linux*)
+          LD="${LD-ld} -m elf32lppclinux"
+          ;;
+        powerpc64-*linux*)
           LD="${LD-ld} -m elf32ppclinux"
           ;;
         s390x-*linux*)
@@ -648,7 +651,10 @@ s390*-*linux*|sparc*-*linux*)
         x86_64-*linux*)
           LD="${LD-ld} -m elf_x86_64"
           ;;
-        ppc*-*linux*|powerpc*-*linux*)
+        powerpcle-*linux*)
+          LD="${LD-ld} -m elf64lppc"
+          ;;
+        powerpc-*linux*)
           LD="${LD-ld} -m elf64ppc"
           ;;
         s390*-*linux*)