malt: new package (versions : 1.2.1) (#35272)

* malt: new package (versions : 1.2.1)
* malt: Fix remarks on new package (versions : 1.2.1)
* malt: Fix PR remarks by removing un-needed functions overriding
* malt: Fix NodeJs => NodeJS
* Use new maintainers syntax.

var/spack/repos/builtin/packages/malt/package.py

@@ -0,0 +1,42 @@
+# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class Malt(CMakePackage):
+    """
+    MALT is a memory profile tool to track mallocs in a C/C++ application and report
+    allocation information (lifetime, sizes...) in a friendly web graphical interface
+    by annotating the source code and proving charts.
+    """
+
+    # Project infos
+    homepage = "https://memtt.github.io/malt"
+    url = "https://github.com/memtt/malt/archive/v1.2.1.tar.gz"
+    maintainers("svalat")
+
+    # Versions
+    version("1.2.1", sha256="0e4c0743561f9fcc04dc83457386167a9851fc9289765f8b4f9390384ae3618a")
+
+    # Variants
+    variant(
+        "nodejs",
+        default=True,
+        description="Enable the installation of the Web GUI based on NodeJS",
+    )
+    variant(
+        "qt",
+        default=False,
+        when="+nodejs",
+        description="Build the viewer based on NodeJS + QT web toolkit (requires NodeJS too)",
+    )
+
+    # Dependencies
+    depends_on("node-js@18:", type=("build", "run"), when="+nodejs")
+    depends_on("libelf")
+    depends_on("libunwind")
+    depends_on("binutils", type="run")
+    depends_on("qt", when="+qt")