diff --git a/packages/toolchain/lang/gcc-core/build b/packages/toolchain/lang/gcc-core/build
index 379dae0051..00544ec3f5 100755
--- a/packages/toolchain/lang/gcc-core/build
+++ b/packages/toolchain/lang/gcc-core/build
@@ -12,11 +12,17 @@ $SCRIPTS/build cloog-ppl
 $SCRIPTS/build libelf
 $SCRIPTS/unpack gcc
 
+$SCRIPTS/build autoconf-2.64
+
 setup_toolchain host
 
 cd $BUILD/gcc*
+
+autoconf-2.64
+
 mkdir -p objdir-$1
 cd objdir-$1
+
 LDFLAGS="-Wl,-rpath,$ROOT/$TOOLCHAIN/lib" \
 ../configure --host=$HOST_NAME \
              --build=$HOST_NAME \