From 8e1a7484275dc59fccb581ebece78762e12bb039 Mon Sep 17 00:00:00 2001
From: Daiane Iglesia Dolci <63597005+Ig-dolci@users.noreply.github.com>
Date: Fri, 10 Jan 2025 13:06:32 +0000
Subject: [PATCH] Temp fix for firedrake install on Mac for Xcode16 (#3964)

---
 scripts/firedrake-install | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/firedrake-install b/scripts/firedrake-install
index 17a8d7fdbc..41bdc21b8f 100755
--- a/scripts/firedrake-install
+++ b/scripts/firedrake-install
@@ -792,6 +792,10 @@ def get_petsc_options(minimal=False):
                 # on macOS with parallel solvers. Its necessity is unclear, so a
                 # review in the future may be required.
                 petsc_options.add("--LDFLAGS=-Wl,-ld_classic,-dead_strip_dylibs")
+            if Version(clt["version"]) >= Version("16"):
+                # Should revisit this flag when the the issue https://gitlab.com/petsc/petsc/-/issues/1692
+                # is resolved.
+                petsc_options.add("--with-cxx-dialect=17")
     elif options.get("with_blas") is not None:
         petsc_options.add("--with-blaslapack-dir={}".format(options["with_blas"]))
         if osname == "Darwin":