Add FORM (#19397)

* Add recipe for qgraf

* Revert "Add recipe for qgraf"

This reverts commit 76783f7386.

* Add FORM

* Update package.py

Changes from review

Co-authored-by: Ivan Razumov <ivan.razumov@cern.ch>

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

@@ -0,0 +1,27 @@
+# Copyright 2013-2020 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 import *
+
+
+class Form(AutotoolsPackage):
+    """FORM is a Symbolic Manipulation System."""
+
+    homepage = "https://www.nikhef.nl/~form/"
+    url      = "https://github.com/vermaseren/form/archive/v4.2.1.tar.gz"
+
+    version('4.2.1', sha256='6f32c7470d00e8ab6934dc352f5a78e29290146a00e5775f8cd5fef7810bbbb8')
+
+    depends_on('autoconf', type='build')
+    depends_on('automake', type='build')
+    depends_on('libtool',  type='build')
+    depends_on('m4',       type='build')
+    depends_on('gmp', type='link')
+    depends_on('zlib', type='link')
+
+    def configure_args(self):
+        args = ['--with-gmp=' + self.spec['gmp'].prefix,
+                '--with-zlib=' + self.spec['zlib'].prefix]
+        return args