CI: a bit more streamlined scripts

ficus-toolchain/buildenv.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+if [ -z "$FICUS_ROOT" ]; then
+    echo "$FICUS_ROOT" is blank
+fi
+
+export PREFIX="$FICUS_ROOT/toolchain/gcc-x86_64-ficus-prefix/"
+export TARGET=x86_64-ficus
+export PATH="$PREFIX/bin:$PATH"
+
+if [ -z "${BUILD_PARALLEL}" ]
+then
+  export BUILD_PARALLEL=$(nproc)
+fi
+
+if [ -z "${BUILD_PARALLEL}" ]
+then
+  export BUILD_PARALLEL=$BUILD_PARALLEL
+fi