1 files changed, 40 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/perl/macos-11-version-check.patch b/var/spack/repos/builtin/packages/perl/macos-11-version-check.patch
new file mode 100644
index 0000000000..603d009d7d
--- /dev/null
+++ b/var/spack/repos/builtin/packages/perl/macos-11-version-check.patch
@@ -0,0 +1,40 @@
+From 54d41b60822734cf8df543053f7bd270dfded3ed Mon Sep 17 00:00:00 2001
+From: Adam Hartley <BytesGuy@users.noreply.github.com>
+Date: Thu, 23 Jul 2020 19:53:07 +0100
+Subject: [PATCH] Future proof version check
+
+---
+ hints/darwin.sh | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/hints/darwin.sh b/hints/darwin.sh
+index 1709d224f7c..fdfbdd4a3b9 100644
+--- a/hints/darwin.sh
++++ b/hints/darwin.sh
+@@ -301,7 +301,7 @@ case "$osvers" in  # Note: osvers is the kernel version, not the 10.x
+    # We now use MACOSX_DEPLOYMENT_TARGET, if set, as an override by
+    # capturing its value and adding it to the flags.
+     case "$MACOSX_DEPLOYMENT_TARGET" in
+-    10.*)
++    [1-9][0-9].*)
+       add_macosx_version_min ccflags $MACOSX_DEPLOYMENT_TARGET
+       add_macosx_version_min ldflags $MACOSX_DEPLOYMENT_TARGET
+       ;;
+@@ -313,7 +313,7 @@ case "$osvers" in  # Note: osvers is the kernel version, not the 10.x
+ 
+ *** Unexpected MACOSX_DEPLOYMENT_TARGET=$MACOSX_DEPLOYMENT_TARGET
+ ***
+-*** Please either set it to 10.something, or to empty.
++*** Please either set it to a valid macOS version number (e.g., 10.15) or to empty.
+ 
+ EOM
+       exit 1
+@@ -327,7 +327,7 @@ EOM
+     # "ProductVersion:    10.11"     "10.11"
+         prodvers=`sw_vers|awk '/^ProductVersion:/{print $2}'|awk -F. '{print $1"."$2}'`
+     case "$prodvers" in
+-    10.*)
++    [1-9][0-9].*)
+       add_macosx_version_min ccflags $prodvers
+       add_macosx_version_min ldflags $prodvers
+       ;;