From 05c3cb7cc9eca7b787df02911a81b07bcaae1d65 Mon Sep 17 00:00:00 2001
From: "Adam J. Stewart" <ajstewart426@gmail.com>
Date: Mon, 19 Dec 2022 04:46:33 -0600
Subject: netcdf-cxx: add patch to fix macOS build (#34588)

---
 var/spack/repos/builtin/packages/netcdf-cxx/macos.patch | 11 +++++++++++
 var/spack/repos/builtin/packages/netcdf-cxx/package.py  |  3 +++
 2 files changed, 14 insertions(+)
 create mode 100644 var/spack/repos/builtin/packages/netcdf-cxx/macos.patch

diff --git a/var/spack/repos/builtin/packages/netcdf-cxx/macos.patch b/var/spack/repos/builtin/packages/netcdf-cxx/macos.patch
new file mode 100644
index 0000000000..0f81a3d763
--- /dev/null
+++ b/var/spack/repos/builtin/packages/netcdf-cxx/macos.patch
@@ -0,0 +1,11 @@
+--- a/configure	2011-09-30 09:34:31.000000000 -0500
++++ b/configure	2022-12-16 22:16:06.250866499 -0600
+@@ -2329,7 +2329,7 @@
+ 
+ # Create the VERSION file, which contains the package version from
+ # AC_INIT.
+-echo -n 4.2>VERSION
++echo -n 4.2>VERSION.txt
+ 
+ 
+ { $as_echo "$as_me:${as_lineno-$LINENO}: netCDF-cxx 4.2" >&5
diff --git a/var/spack/repos/builtin/packages/netcdf-cxx/package.py b/var/spack/repos/builtin/packages/netcdf-cxx/package.py
index 270408d83d..bec5fee2ec 100644
--- a/var/spack/repos/builtin/packages/netcdf-cxx/package.py
+++ b/var/spack/repos/builtin/packages/netcdf-cxx/package.py
@@ -21,6 +21,9 @@ class NetcdfCxx(AutotoolsPackage):
 
     variant("netcdf4", default=True, description="Compile with netCDF4 support")
 
+    # https://github.com/Unidata/netcdf-cxx4/pull/112
+    patch("macos.patch")
+
     @property
     def libs(self):
         shared = True
-- 
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