Add script to test for clang installation

kgryte · kgryte · commit e16a25d5dfc2 · 2017-07-23T11:33:50.000-07:00
diff --git a/tools/scripts/check_clang b/tools/scripts/check_clang
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+#
+# Check whether clang is installed.
+#
+# Usage: check_clang
+#
+
+# VARIABLES #
+
+# Find clang:
+CLANG=$(command -v clang 2>/dev/null)
+
+
+# FUNCTIONS #
+
+# Prints usage information.
+usage() {
+	echo '' >&2
+	echo 'Usage: check_clang' >&2
+	echo '' >&2
+}
+
+# MAIN #
+
+if [[ -x "${CLANG}" ]] && "${CLANG}" --version >/dev/null; then
+	echo 'clang is installed.' >&2
+	exit 0
+else
+	echo 'ERROR: missing dependency. Please download clang version >= 3.5 (http://clang.llvm.org/). Once installed, run the command again.' >&2
+	exit 1
+fi
+
+# TODO: check for minimum version
