cacao: upgrade m4 macros in source tree

Before configuring package, we upgrade m4 macros with a call to
libtoolize. Otherwise, compiling would fail with a complain about
different versions of libtool.

Signed-off-by: Hugo Vasconcelos Saldanha <hugo.saldanha@aker.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

1 files changed, 2 insertions, 0 deletions

diff --git a/recipes-core/cacao/cacao_1.6.1.bb b/recipes-core/cacao/cacao_1.6.1.bb
index 75fdc8f..0cb2fbc 100644
--- a/recipes-core/cacao/cacao_1.6.1.bb
+++ b/recipes-core/cacao/cacao_1.6.1.bb
@@ -49,6 +49,8 @@ EXTRA_OECONF = "\
 "
 
 do_configure_prepend () {
+    # upgrade m4 macros in source tree
+    libtoolize --force --copy --install
     rm  src/mm/boehm-gc/ltmain.sh
     mkdir -p src/mm/boehm-gc/m4
 }