configure: require libtoolize, create wrapper to it

libtoolize must be checked_for and there needs to be a wrapper
that points to GNU libtoolize since that may be installed
as glibtoolize.
This fixes a problem with building Cloog/PPL that was

Reported-by: "Pierrick Brossin" <pierrick@bs-network.net>
Signed-off-by: "Titus von Boxberg" <titus@v9g.de>

Makefile.in

@@ -50,15 +50,16 @@ DATE   := @@DATE@@
 LOCAL  := @@LOCAL@@
 
 # Paths found by ./configure
-install:= @@install@@
+install   := @@install@@
 bash      := @@bash@@
 grep      := @@grep@@
 make      := @@make@@
 sed       := @@sed@@
-libtool:= @@libtool@@
-objcopy:= @@objcopy@@
-objdump:= @@objdump@@
-readelf:= @@readelf@@
+libtool   := @@libtool@@
+libtoolize:= @@libtoolize@@
+objcopy   := @@objcopy@@
+objdump   := @@objdump@@
+readelf   := @@readelf@@
 patch     := @@patch@@
 
 # config options to push down to kconfig
@@ -183,6 +184,7 @@ paths.mk: FORCE
 	  echo "export make=$(make)";       \
 	  echo "export sed=$(sed)";         \
 	  echo "export libtool=$(libtool)"; \
+	  echo "export libtoolize=$(libtoolize)"; \
 	  echo "export objcopy=$(objcopy)"; \
 	  echo "export objdump=$(objdump)"; \
 	  echo "export readelf=$(readelf)"; \

configure

@@ -491,6 +491,10 @@ has_or_abort prog=libtool
              var=libtool                                                                            \
              ver='\(GNU libtool.*\) (2[[:digit:]]*\.|1\.6[[:digit:]]*\.|1\.5\.[2-9][[:digit:]]+)'   \
              err="'libtool' 1.5.26 or above was not found"
+has_or_abort prog=libtoolize                                                                        \
+             var=libtoolize                                                                         \
+             ver='\(GNU libtool.*\) (2[[:digit:]]*\.|1\.6[[:digit:]]*\.|1\.5\.[2-9][[:digit:]]+)'   \
+             err="'libtoolize' 1.5.26 or above was not found"
 has_or_abort prog=stat
 has_or_abort prog="curl wget"
 has_or_abort prog=patch

docs/C - Misc. tutorials.txt

@@ -73,6 +73,7 @@ toolchain on MacOS as host.
    (assuming you have installed the tools via macports in /opt/local):
    ./configure --with-sed=/opt/local/bin/gsed                 \
                --with-libtool=/opt/local/bin/glibtool         \
+               --with-libtoolize=/opt/local/bin/glibtoolize   \
                --with-objcopy=/opt/local/bin/gobjcopy         \
                --with-objdump=/opt/local/bin/gobjdump         \
                --with-readelf=/opt/local/bin/greadelf         \