From 2f092c62fe93f725ea57bb785d5aa1dc6ab9b1ce Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Tue, 6 Feb 2024 19:12:11 +0200
Subject: [PATCH] Disable std::pmr use under AppleClang. Refs #162.

---
 test/sv_construct_test.cpp  | 12 ++++++++++++
 test/sv_conversion_test.cpp | 12 ++++++++++++
 test/sv_eq_test.cpp         | 12 ++++++++++++
 test/sv_lt_test.cpp         | 12 ++++++++++++
 4 files changed, 48 insertions(+)

diff --git a/test/sv_construct_test.cpp b/test/sv_construct_test.cpp
index 3a33fbd..3da015b 100644
--- a/test/sv_construct_test.cpp
+++ b/test/sv_construct_test.cpp
@@ -4,6 +4,18 @@
 
 #include <boost/core/detail/string_view.hpp>
 #include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+
+#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
+# if defined(__apple_build_version__)
+// Under macOS, it's possible for the header
+// <memory_resource> to be present, but for
+// libc++.dylib to not have support for it.
+// https://github.com/boostorg/core/issues/162
+#  define BOOST_NO_CXX17_HDR_MEMORY_RESOURCE
+# endif
+#endif
+
 #include <iterator>
 #include <string>
 #if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
diff --git a/test/sv_conversion_test.cpp b/test/sv_conversion_test.cpp
index 64a7105..f9cec64 100644
--- a/test/sv_conversion_test.cpp
+++ b/test/sv_conversion_test.cpp
@@ -4,6 +4,18 @@
 
 #include <boost/core/detail/string_view.hpp>
 #include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+
+#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
+# if defined(__apple_build_version__)
+// Under macOS, it's possible for the header
+// <memory_resource> to be present, but for
+// libc++.dylib to not have support for it.
+// https://github.com/boostorg/core/issues/162
+#  define BOOST_NO_CXX17_HDR_MEMORY_RESOURCE
+# endif
+#endif
+
 #include <string>
 #if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
 # include <string_view>
diff --git a/test/sv_eq_test.cpp b/test/sv_eq_test.cpp
index 46e6ef7..a6d3e29 100644
--- a/test/sv_eq_test.cpp
+++ b/test/sv_eq_test.cpp
@@ -4,6 +4,18 @@
 
 #include <boost/core/detail/string_view.hpp>
 #include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+
+#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
+# if defined(__apple_build_version__)
+// Under macOS, it's possible for the header
+// <memory_resource> to be present, but for
+// libc++.dylib to not have support for it.
+// https://github.com/boostorg/core/issues/162
+#  define BOOST_NO_CXX17_HDR_MEMORY_RESOURCE
+# endif
+#endif
+
 #include <cstddef>
 #if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
 # include <string_view>
diff --git a/test/sv_lt_test.cpp b/test/sv_lt_test.cpp
index dfa4227..4661afd 100644
--- a/test/sv_lt_test.cpp
+++ b/test/sv_lt_test.cpp
@@ -4,6 +4,18 @@
 
 #include <boost/core/detail/string_view.hpp>
 #include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+
+#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
+# if defined(__apple_build_version__)
+// Under macOS, it's possible for the header
+// <memory_resource> to be present, but for
+// libc++.dylib to not have support for it.
+// https://github.com/boostorg/core/issues/162
+#  define BOOST_NO_CXX17_HDR_MEMORY_RESOURCE
+# endif
+#endif
+
 #include <cstddef>
 #if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
 # include <string_view>