From 674990499795b93fc280e28081dfa7ac4c37c93f Mon Sep 17 00:00:00 2001
From: Marc Mengel <mengel@fnal.gov>
Date: Wed, 1 Nov 2023 20:35:43 -0500
Subject: [PATCH 1/2] adding gcc-runtime package

---
 packages/gcc-runtime/package.py | 48 +++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 packages/gcc-runtime/package.py

diff --git a/packages/gcc-runtime/package.py b/packages/gcc-runtime/package.py
new file mode 100644
index 00000000..4a8dcfae
--- /dev/null
+++ b/packages/gcc-runtime/package.py
@@ -0,0 +1,48 @@
+# 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 *
+import os
+
+
+class GccRuntime(Package):
+    """FIXME: Put a proper description of your package here."""
+
+    homepage = "https://github.com/FNALssi/"
+    url = "file:///dev/null"
+
+    maintainers("marcmengel")
+
+    version("see_compiler", sha256="364fd6d448b2398150a4d8aa3a3d3564a373aeb7dfb3a477f56685a356c88159")
+
+    def url_for_version(self, version):
+
+        if not os.access("/tmp/empty.tar",os.R_OK):
+            tdir = "/tmp/empty" + str(os.getpid())
+            os.mkdir(tdir)
+            tar=which("tar")
+            with working_dir(tdir):
+                # --mtime=@0 gives consistent tarfile checksum...
+                tar("cf", "/tmp/empty.tar", ".", "--mtime=@0")
+            os.rmdir(tdir)
+
+        url = 'file:///tmp/empty.tar'
+        return url
+
+
+    def install(self, spec, prefix):
+         libdir=''
+         cdir = os.path.dirname(os.path.dirname(self.compiler.cxx))
+         for path, dirnames, filenames in os.walk(cdir):
+             if 'libstdc++.so' in filenames:
+                 libdir = path
+                 break
+         if libdir:
+             os.makedirs(prefix.lib)
+             install_tree(libdir, prefix.lib)
+
+    def setup_dependent_runtime_environment(self, env):
+        env.append_flags("LDFLAGS", "-L"+self.prefix.lib)

From b109d21cbb4bbb2c544ad6a417d425bfd9900339 Mon Sep 17 00:00:00 2001
From: Marc Mengel <mengel@fnal.gov>
Date: Tue, 7 Nov 2023 13:44:10 -0600
Subject: [PATCH 2/2] find shortest path with libstdc++, finds libc_s, etc.
 that way

---
 packages/gcc-runtime/package.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/gcc-runtime/package.py b/packages/gcc-runtime/package.py
index 4a8dcfae..5f5c46a6 100644
--- a/packages/gcc-runtime/package.py
+++ b/packages/gcc-runtime/package.py
@@ -36,10 +36,11 @@ def url_for_version(self, version):
     def install(self, spec, prefix):
          libdir=''
          cdir = os.path.dirname(os.path.dirname(self.compiler.cxx))
+         # find shortest pathname in cdir that has libstdc++.so in it...
          for path, dirnames, filenames in os.walk(cdir):
              if 'libstdc++.so' in filenames:
-                 libdir = path
-                 break
+                 if not libdir or len(path) < len(libdir):
+                     libdir = path
          if libdir:
              os.makedirs(prefix.lib)
              install_tree(libdir, prefix.lib)