Add Emscripten environment script

1 files changed, 45 insertions, 0 deletions

diff --git a/etc/environments/default-emcc b/etc/environments/default-emcc
new file mode 100755
index 0000000..509542f
--- /dev/null
+++ b/etc/environments/default-emcc
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# file      : etc/environments/default-emcc
+# license   : TBC; see accompanying LICENSE file
+
+#
+# Environment setup script for C/C++ compilation with Emscripten using
+# NodeJS as a test runner.
+#
+
+# NOTE: don't forget to adjust the target mode selection below.
+#
+c=emcc
+cxx=em++
+
+# $1  - target
+# $2  - bbot executable (if absent, then run $SHELL)
+# $3+ - bbot options
+
+set -e # Exit on errors.
+
+# Based on target determine what we are building.
+#
+# Note: there is talk of 64-bit WASM so let's keep this infra around.
+#
+mode=
+case "$1" in
+  wasm32-*)
+    #mode=
+    ;;
+  *)
+    echo "unknown target: '$1'" 1>&2
+    exit 1
+    ;;
+esac
+shift
+
+if test $# -ne 0; then
+  exec "$@" cc config.c="$c $mode" config.cxx="$cxx $mode" config.test.runner=nodejs
+else
+  echo "config.c=$c $mode" 1>&2
+  echo "config.cxx=$cxx $mode" 1>&2
+  echo "config.test.runner=nodejs" 1>&2
+  exec $SHELL -i
+fi