diff --git a/.github/workflows/modified_scripts_build.yml b/.github/workflows/modified_scripts_build.yml
index cae758a8..29b30c94 100644
--- a/.github/workflows/modified_scripts_build.yml
+++ b/.github/workflows/modified_scripts_build.yml
@@ -96,6 +96,7 @@ jobs:
           - macos-15-intel
           - macos-26
           - macos-26-intel
+          - xcode-27
         exclude: ${{fromJson(needs.discover_modified_scripts.outputs.versions_macos_build_exclude)}}
     runs-on: ${{ matrix.os }}
     steps:
@@ -164,6 +165,7 @@ jobs:
           - macos-15-intel
           - macos-26
           - macos-26-intel
+          - xcode-27
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v7
diff --git a/plugins/python-build/share/python-build/patches/3.14.0/Python-3.14.0/0003-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch b/plugins/python-build/share/python-build/patches/3.14.0/Python-3.14.0/0003-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
new file mode 100644
index 00000000..2873fd3f
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.0/Python-3.14.0/0003-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
@@ -0,0 +1,105 @@
+From bf2d8d5a2c8fd2e0c5b4368ea7180c57971bc156 Mon Sep 17 00:00:00 2001
+From: Russell Keith-Magee <russell@keith-magee.com>
+Date: Tue, 26 May 2026 13:07:16 +0800
+Subject: [PATCH] [3.14] gh-150443: Exclude explicit dup3 and pipe2 checks on
+ iOS builds. (GH-150444) (#150447)
+
+Exclude explicit dup3 and pipe2 checks on iOS builds.
+(cherry picked from commit 629da5c914b4407e01c1dc06cbcbd8dce825fef3)
+---
+ configure    | 26 +++++++++++++-------------
+ configure.ac |  6 +++---
+ 2 files changed, 16 insertions(+), 16 deletions(-)
+
+diff --git a/configure b/configure
+index d31c24dffa2..29190f296af 100755
+--- a/configure
++++ b/configure
+@@ -19250,12 +19250,6 @@ if test "x$ac_cv_func_dup" = xyes
+ then :
+   printf "%s\n" "#define HAVE_DUP 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "execv" "ac_cv_func_execv"
+ if test "x$ac_cv_func_execv" = xyes
+@@ -19730,12 +19724,6 @@ if test "x$ac_cv_func_pipe" = xyes
+ then :
+   printf "%s\n" "#define HAVE_PIPE 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "plock" "ac_cv_func_plock"
+ if test "x$ac_cv_func_plock" = xyes
+@@ -20381,7 +20369,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20392,6 +20386,12 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+diff --git a/configure.ac b/configure.ac
+index af7a9623d7b..4c5bf12cc50 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5214,7 +5214,7 @@ fi
+ # checks for library functions
+ AC_CHECK_FUNCS([ \
+   accept4 alarm bind_textdomain_codeset chmod chown clock closefrom close_range confstr \
+-  copy_file_range ctermid dladdr dup dup3 execv explicit_bzero explicit_memset \
++  copy_file_range ctermid dladdr dup execv explicit_bzero explicit_memset \
+   faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
+   fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
+   gai_strerror getegid geteuid getgid getgrent getgrgid getgrgid_r \
+@@ -5224,7 +5224,7 @@ AC_CHECK_FUNCS([ \
+   getspnam getuid getwd grantpt if_nameindex initgroups kill killpg lchown linkat \
+   lockf lstat lutimes madvise mbrtowc memrchr mkdirat mkfifo mkfifoat \
+   mknod mknodat mktime mmap mremap nice openat opendir pathconf pause pipe \
+-  pipe2 plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
++  plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
+   posix_spawn_file_actions_addclosefrom_np \
+   pread preadv preadv2 process_vm_readv \
+   pthread_cond_timedwait_relative_np pthread_condattr_setclock pthread_init \
+@@ -5255,7 +5255,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([getentropy getgroups system])
++  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.0/Python-3.14.0/0004-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch b/plugins/python-build/share/python-build/patches/3.14.0/Python-3.14.0/0004-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
new file mode 100644
index 00000000..36edad49
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.0/Python-3.14.0/0004-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
@@ -0,0 +1,101 @@
+From b871bbe60698c7a6bb6409cf4c091088e119eeb3 Mon Sep 17 00:00:00 2001
+From: Ned Deily <nad@python.org>
+Date: Wed, 5 Aug 2026 00:27:28 -0700
+Subject: [PATCH] [3.14] gh-153711: Avoid use of dup3 and pipe2 calls
+ introduced in macOS 27 (#155206)
+
+---
+ ...-08-05-02-02-33.gh-issue-153711.pO9fFb.rst |  3 ++
+ configure                                     | 32 +++++++++++--------
+ configure.ac                                  |  8 ++++-
+ 3 files changed, 29 insertions(+), 14 deletions(-)
+ create mode 100644 Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+
+diff --git a/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+new file mode 100644
+index 00000000000..90804c179a4
+--- /dev/null
++++ b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+@@ -0,0 +1,3 @@
++On macOS, do not attempt to use the :manpage:`dup3(2)` and
++:manpage:`pipe2(2)` system calls introduced in
++macOS 27 to prevent problems when running on older systems.
+diff --git a/configure b/configure
+index 29190f296af..2217e59d15f 100755
+--- a/configure
++++ b/configure
+@@ -20369,13 +20369,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+-fi
+-ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20386,12 +20380,6 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+@@ -20400,6 +20388,24 @@ then :
+ 
+ fi
+ 
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
++fi
++
+ fi
+ 
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
+diff --git a/configure.ac b/configure.ac
+index 4c5bf12cc50..4ad84af4d17 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5255,7 +5255,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
++  AC_CHECK_FUNCS([getentropy getgroups system])
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  AC_CHECK_FUNCS([dup3 pipe2])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.1/Python-3.14.1/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch b/plugins/python-build/share/python-build/patches/3.14.1/Python-3.14.1/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
new file mode 100644
index 00000000..6d2fbfe6
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.1/Python-3.14.1/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
@@ -0,0 +1,105 @@
+From bc2b13dee7629b9c86dc53106311fe26de1a98a5 Mon Sep 17 00:00:00 2001
+From: Russell Keith-Magee <russell@keith-magee.com>
+Date: Tue, 26 May 2026 13:07:16 +0800
+Subject: [PATCH] [3.14] gh-150443: Exclude explicit dup3 and pipe2 checks on
+ iOS builds. (GH-150444) (#150447)
+
+Exclude explicit dup3 and pipe2 checks on iOS builds.
+(cherry picked from commit 629da5c914b4407e01c1dc06cbcbd8dce825fef3)
+---
+ configure    | 26 +++++++++++++-------------
+ configure.ac |  6 +++---
+ 2 files changed, 16 insertions(+), 16 deletions(-)
+
+diff --git a/configure b/configure
+index 46eb0665bf4..3f138a8ff11 100755
+--- a/configure
++++ b/configure
+@@ -19281,12 +19281,6 @@ if test "x$ac_cv_func_dup" = xyes
+ then :
+   printf "%s\n" "#define HAVE_DUP 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "execv" "ac_cv_func_execv"
+ if test "x$ac_cv_func_execv" = xyes
+@@ -19761,12 +19755,6 @@ if test "x$ac_cv_func_pipe" = xyes
+ then :
+   printf "%s\n" "#define HAVE_PIPE 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "plock" "ac_cv_func_plock"
+ if test "x$ac_cv_func_plock" = xyes
+@@ -20412,7 +20400,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20423,6 +20417,12 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+diff --git a/configure.ac b/configure.ac
+index bd4446e9488..9fdb671d44d 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5239,7 +5239,7 @@ fi
+ # checks for library functions
+ AC_CHECK_FUNCS([ \
+   accept4 alarm bind_textdomain_codeset chmod chown clock closefrom close_range confstr \
+-  copy_file_range ctermid dladdr dup dup3 execv explicit_bzero explicit_memset \
++  copy_file_range ctermid dladdr dup execv explicit_bzero explicit_memset \
+   faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
+   fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
+   gai_strerror getegid geteuid getgid getgrent getgrgid getgrgid_r \
+@@ -5249,7 +5249,7 @@ AC_CHECK_FUNCS([ \
+   getspnam getuid getwd grantpt if_nameindex initgroups kill killpg lchown linkat \
+   lockf lstat lutimes madvise mbrtowc memrchr mkdirat mkfifo mkfifoat \
+   mknod mknodat mktime mmap mremap nice openat opendir pathconf pause pipe \
+-  pipe2 plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
++  plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
+   posix_spawn_file_actions_addclosefrom_np \
+   pread preadv preadv2 process_vm_readv \
+   pthread_cond_timedwait_relative_np pthread_condattr_setclock pthread_init \
+@@ -5280,7 +5280,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([getentropy getgroups system])
++  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.1/Python-3.14.1/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch b/plugins/python-build/share/python-build/patches/3.14.1/Python-3.14.1/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
new file mode 100644
index 00000000..4f1a47dd
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.1/Python-3.14.1/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
@@ -0,0 +1,101 @@
+From 2d7a52cf26a57b14fde53897d782db55e63fb356 Mon Sep 17 00:00:00 2001
+From: Ned Deily <nad@python.org>
+Date: Wed, 5 Aug 2026 00:27:28 -0700
+Subject: [PATCH] [3.14] gh-153711: Avoid use of dup3 and pipe2 calls
+ introduced in macOS 27 (#155206)
+
+---
+ ...-08-05-02-02-33.gh-issue-153711.pO9fFb.rst |  3 ++
+ configure                                     | 32 +++++++++++--------
+ configure.ac                                  |  8 ++++-
+ 3 files changed, 29 insertions(+), 14 deletions(-)
+ create mode 100644 Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+
+diff --git a/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+new file mode 100644
+index 00000000000..90804c179a4
+--- /dev/null
++++ b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+@@ -0,0 +1,3 @@
++On macOS, do not attempt to use the :manpage:`dup3(2)` and
++:manpage:`pipe2(2)` system calls introduced in
++macOS 27 to prevent problems when running on older systems.
+diff --git a/configure b/configure
+index 3f138a8ff11..e38f8d8ab32 100755
+--- a/configure
++++ b/configure
+@@ -20400,13 +20400,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+-fi
+-ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20417,12 +20411,6 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+@@ -20431,6 +20419,24 @@ then :
+ 
+ fi
+ 
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
++fi
++
+ fi
+ 
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
+diff --git a/configure.ac b/configure.ac
+index 9fdb671d44d..9e301b6ce6e 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5280,7 +5280,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
++  AC_CHECK_FUNCS([getentropy getgroups system])
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  AC_CHECK_FUNCS([dup3 pipe2])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.2/Python-3.14.2/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch b/plugins/python-build/share/python-build/patches/3.14.2/Python-3.14.2/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
new file mode 100644
index 00000000..136e1787
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.2/Python-3.14.2/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
@@ -0,0 +1,105 @@
+From 5c927bf09aae2221636300e45187c27b8018766d Mon Sep 17 00:00:00 2001
+From: Russell Keith-Magee <russell@keith-magee.com>
+Date: Tue, 26 May 2026 13:07:16 +0800
+Subject: [PATCH] [3.14] gh-150443: Exclude explicit dup3 and pipe2 checks on
+ iOS builds. (GH-150444) (#150447)
+
+Exclude explicit dup3 and pipe2 checks on iOS builds.
+(cherry picked from commit 629da5c914b4407e01c1dc06cbcbd8dce825fef3)
+---
+ configure    | 26 +++++++++++++-------------
+ configure.ac |  6 +++---
+ 2 files changed, 16 insertions(+), 16 deletions(-)
+
+diff --git a/configure b/configure
+index 46eb0665bf4..3f138a8ff11 100755
+--- a/configure
++++ b/configure
+@@ -19281,12 +19281,6 @@ if test "x$ac_cv_func_dup" = xyes
+ then :
+   printf "%s\n" "#define HAVE_DUP 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "execv" "ac_cv_func_execv"
+ if test "x$ac_cv_func_execv" = xyes
+@@ -19761,12 +19755,6 @@ if test "x$ac_cv_func_pipe" = xyes
+ then :
+   printf "%s\n" "#define HAVE_PIPE 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "plock" "ac_cv_func_plock"
+ if test "x$ac_cv_func_plock" = xyes
+@@ -20412,7 +20400,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20423,6 +20417,12 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+diff --git a/configure.ac b/configure.ac
+index bd4446e9488..9fdb671d44d 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5239,7 +5239,7 @@ fi
+ # checks for library functions
+ AC_CHECK_FUNCS([ \
+   accept4 alarm bind_textdomain_codeset chmod chown clock closefrom close_range confstr \
+-  copy_file_range ctermid dladdr dup dup3 execv explicit_bzero explicit_memset \
++  copy_file_range ctermid dladdr dup execv explicit_bzero explicit_memset \
+   faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
+   fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
+   gai_strerror getegid geteuid getgid getgrent getgrgid getgrgid_r \
+@@ -5249,7 +5249,7 @@ AC_CHECK_FUNCS([ \
+   getspnam getuid getwd grantpt if_nameindex initgroups kill killpg lchown linkat \
+   lockf lstat lutimes madvise mbrtowc memrchr mkdirat mkfifo mkfifoat \
+   mknod mknodat mktime mmap mremap nice openat opendir pathconf pause pipe \
+-  pipe2 plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
++  plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
+   posix_spawn_file_actions_addclosefrom_np \
+   pread preadv preadv2 process_vm_readv \
+   pthread_cond_timedwait_relative_np pthread_condattr_setclock pthread_init \
+@@ -5280,7 +5280,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([getentropy getgroups system])
++  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.2/Python-3.14.2/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch b/plugins/python-build/share/python-build/patches/3.14.2/Python-3.14.2/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
new file mode 100644
index 00000000..4fc9dc9b
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.2/Python-3.14.2/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
@@ -0,0 +1,101 @@
+From cb9757118e29df43276f01701e73fe50c57b1b25 Mon Sep 17 00:00:00 2001
+From: Ned Deily <nad@python.org>
+Date: Wed, 5 Aug 2026 00:27:28 -0700
+Subject: [PATCH] [3.14] gh-153711: Avoid use of dup3 and pipe2 calls
+ introduced in macOS 27 (#155206)
+
+---
+ ...-08-05-02-02-33.gh-issue-153711.pO9fFb.rst |  3 ++
+ configure                                     | 32 +++++++++++--------
+ configure.ac                                  |  8 ++++-
+ 3 files changed, 29 insertions(+), 14 deletions(-)
+ create mode 100644 Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+
+diff --git a/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+new file mode 100644
+index 00000000000..90804c179a4
+--- /dev/null
++++ b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+@@ -0,0 +1,3 @@
++On macOS, do not attempt to use the :manpage:`dup3(2)` and
++:manpage:`pipe2(2)` system calls introduced in
++macOS 27 to prevent problems when running on older systems.
+diff --git a/configure b/configure
+index 3f138a8ff11..e38f8d8ab32 100755
+--- a/configure
++++ b/configure
+@@ -20400,13 +20400,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+-fi
+-ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20417,12 +20411,6 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+@@ -20431,6 +20419,24 @@ then :
+ 
+ fi
+ 
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
++fi
++
+ fi
+ 
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
+diff --git a/configure.ac b/configure.ac
+index 9fdb671d44d..9e301b6ce6e 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5280,7 +5280,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
++  AC_CHECK_FUNCS([getentropy getgroups system])
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  AC_CHECK_FUNCS([dup3 pipe2])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.3/Python-3.14.3/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch b/plugins/python-build/share/python-build/patches/3.14.3/Python-3.14.3/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
new file mode 100644
index 00000000..b1511265
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.3/Python-3.14.3/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
@@ -0,0 +1,105 @@
+From 14dbab4f78b96ddc611b50558c50b548ae744032 Mon Sep 17 00:00:00 2001
+From: Russell Keith-Magee <russell@keith-magee.com>
+Date: Tue, 26 May 2026 13:07:16 +0800
+Subject: [PATCH] [3.14] gh-150443: Exclude explicit dup3 and pipe2 checks on
+ iOS builds. (GH-150444) (#150447)
+
+Exclude explicit dup3 and pipe2 checks on iOS builds.
+(cherry picked from commit 629da5c914b4407e01c1dc06cbcbd8dce825fef3)
+---
+ configure    | 26 +++++++++++++-------------
+ configure.ac |  6 +++---
+ 2 files changed, 16 insertions(+), 16 deletions(-)
+
+diff --git a/configure b/configure
+index 645628fecf2..2dae6dd38dc 100755
+--- a/configure
++++ b/configure
+@@ -19281,12 +19281,6 @@ if test "x$ac_cv_func_dup" = xyes
+ then :
+   printf "%s\n" "#define HAVE_DUP 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "execv" "ac_cv_func_execv"
+ if test "x$ac_cv_func_execv" = xyes
+@@ -19761,12 +19755,6 @@ if test "x$ac_cv_func_pipe" = xyes
+ then :
+   printf "%s\n" "#define HAVE_PIPE 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "plock" "ac_cv_func_plock"
+ if test "x$ac_cv_func_plock" = xyes
+@@ -20412,7 +20400,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20423,6 +20417,12 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+diff --git a/configure.ac b/configure.ac
+index d81c76fc122..20411ee381c 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5239,7 +5239,7 @@ fi
+ # checks for library functions
+ AC_CHECK_FUNCS([ \
+   accept4 alarm bind_textdomain_codeset chmod chown clock closefrom close_range confstr \
+-  copy_file_range ctermid dladdr dup dup3 execv explicit_bzero explicit_memset \
++  copy_file_range ctermid dladdr dup execv explicit_bzero explicit_memset \
+   faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
+   fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
+   gai_strerror getegid geteuid getgid getgrent getgrgid getgrgid_r \
+@@ -5249,7 +5249,7 @@ AC_CHECK_FUNCS([ \
+   getspnam getuid getwd grantpt if_nameindex initgroups kill killpg lchown linkat \
+   lockf lstat lutimes madvise mbrtowc memrchr mkdirat mkfifo mkfifoat \
+   mknod mknodat mktime mmap mremap nice openat opendir pathconf pause pipe \
+-  pipe2 plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
++  plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
+   posix_spawn_file_actions_addclosefrom_np \
+   pread preadv preadv2 process_vm_readv \
+   pthread_cond_timedwait_relative_np pthread_condattr_setclock pthread_init \
+@@ -5280,7 +5280,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([getentropy getgroups system])
++  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.3/Python-3.14.3/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch b/plugins/python-build/share/python-build/patches/3.14.3/Python-3.14.3/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
new file mode 100644
index 00000000..080ec904
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.3/Python-3.14.3/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
@@ -0,0 +1,101 @@
+From 78204cc8e5beb318cee9bf831146bd339602c4c3 Mon Sep 17 00:00:00 2001
+From: Ned Deily <nad@python.org>
+Date: Wed, 5 Aug 2026 00:27:28 -0700
+Subject: [PATCH] [3.14] gh-153711: Avoid use of dup3 and pipe2 calls
+ introduced in macOS 27 (#155206)
+
+---
+ ...-08-05-02-02-33.gh-issue-153711.pO9fFb.rst |  3 ++
+ configure                                     | 32 +++++++++++--------
+ configure.ac                                  |  8 ++++-
+ 3 files changed, 29 insertions(+), 14 deletions(-)
+ create mode 100644 Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+
+diff --git a/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+new file mode 100644
+index 00000000000..90804c179a4
+--- /dev/null
++++ b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+@@ -0,0 +1,3 @@
++On macOS, do not attempt to use the :manpage:`dup3(2)` and
++:manpage:`pipe2(2)` system calls introduced in
++macOS 27 to prevent problems when running on older systems.
+diff --git a/configure b/configure
+index 2dae6dd38dc..74c9f7e0a3c 100755
+--- a/configure
++++ b/configure
+@@ -20400,13 +20400,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+-fi
+-ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20417,12 +20411,6 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+@@ -20431,6 +20419,24 @@ then :
+ 
+ fi
+ 
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
++fi
++
+ fi
+ 
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
+diff --git a/configure.ac b/configure.ac
+index 20411ee381c..9c4fef6971e 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5280,7 +5280,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
++  AC_CHECK_FUNCS([getentropy getgroups system])
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  AC_CHECK_FUNCS([dup3 pipe2])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.4/Python-3.14.4/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch b/plugins/python-build/share/python-build/patches/3.14.4/Python-3.14.4/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
new file mode 100644
index 00000000..bcbfdf90
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.4/Python-3.14.4/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
@@ -0,0 +1,105 @@
+From 3ccb6c32cce56e55823dc406e2cdd8f33d588bba Mon Sep 17 00:00:00 2001
+From: Russell Keith-Magee <russell@keith-magee.com>
+Date: Tue, 26 May 2026 13:07:16 +0800
+Subject: [PATCH] [3.14] gh-150443: Exclude explicit dup3 and pipe2 checks on
+ iOS builds. (GH-150444) (#150447)
+
+Exclude explicit dup3 and pipe2 checks on iOS builds.
+(cherry picked from commit 629da5c914b4407e01c1dc06cbcbd8dce825fef3)
+---
+ configure    | 26 +++++++++++++-------------
+ configure.ac |  6 +++---
+ 2 files changed, 16 insertions(+), 16 deletions(-)
+
+diff --git a/configure b/configure
+index 8cfdda5a29b..c3e9474bbec 100755
+--- a/configure
++++ b/configure
+@@ -19321,12 +19321,6 @@ if test "x$ac_cv_func_dup" = xyes
+ then :
+   printf "%s\n" "#define HAVE_DUP 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "execv" "ac_cv_func_execv"
+ if test "x$ac_cv_func_execv" = xyes
+@@ -19801,12 +19795,6 @@ if test "x$ac_cv_func_pipe" = xyes
+ then :
+   printf "%s\n" "#define HAVE_PIPE 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "plock" "ac_cv_func_plock"
+ if test "x$ac_cv_func_plock" = xyes
+@@ -20452,7 +20440,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20463,6 +20457,12 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+diff --git a/configure.ac b/configure.ac
+index 1acb91fd27b..67128cc4ad0 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5242,7 +5242,7 @@ fi
+ # checks for library functions
+ AC_CHECK_FUNCS([ \
+   accept4 alarm bind_textdomain_codeset chmod chown clock closefrom close_range confstr \
+-  copy_file_range ctermid dladdr dup dup3 execv explicit_bzero explicit_memset \
++  copy_file_range ctermid dladdr dup execv explicit_bzero explicit_memset \
+   faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
+   fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
+   gai_strerror getegid geteuid getgid getgrent getgrgid getgrgid_r \
+@@ -5252,7 +5252,7 @@ AC_CHECK_FUNCS([ \
+   getspnam getuid getwd grantpt if_nameindex initgroups kill killpg lchown linkat \
+   lockf lstat lutimes madvise mbrtowc memrchr mkdirat mkfifo mkfifoat \
+   mknod mknodat mktime mmap mremap nice openat opendir pathconf pause pipe \
+-  pipe2 plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
++  plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
+   posix_spawn_file_actions_addclosefrom_np \
+   pread preadv preadv2 process_vm_readv \
+   pthread_cond_timedwait_relative_np pthread_condattr_setclock pthread_init \
+@@ -5283,7 +5283,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([getentropy getgroups system])
++  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.4/Python-3.14.4/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch b/plugins/python-build/share/python-build/patches/3.14.4/Python-3.14.4/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
new file mode 100644
index 00000000..1fda7402
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.4/Python-3.14.4/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
@@ -0,0 +1,101 @@
+From 0883623df9ba2ea83d2f9dc3031ac9d975824d98 Mon Sep 17 00:00:00 2001
+From: Ned Deily <nad@python.org>
+Date: Wed, 5 Aug 2026 00:27:28 -0700
+Subject: [PATCH] [3.14] gh-153711: Avoid use of dup3 and pipe2 calls
+ introduced in macOS 27 (#155206)
+
+---
+ ...-08-05-02-02-33.gh-issue-153711.pO9fFb.rst |  3 ++
+ configure                                     | 32 +++++++++++--------
+ configure.ac                                  |  8 ++++-
+ 3 files changed, 29 insertions(+), 14 deletions(-)
+ create mode 100644 Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+
+diff --git a/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+new file mode 100644
+index 00000000000..90804c179a4
+--- /dev/null
++++ b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+@@ -0,0 +1,3 @@
++On macOS, do not attempt to use the :manpage:`dup3(2)` and
++:manpage:`pipe2(2)` system calls introduced in
++macOS 27 to prevent problems when running on older systems.
+diff --git a/configure b/configure
+index c3e9474bbec..89233599659 100755
+--- a/configure
++++ b/configure
+@@ -20440,13 +20440,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+-fi
+-ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20457,12 +20451,6 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+@@ -20471,6 +20459,24 @@ then :
+ 
+ fi
+ 
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
++fi
++
+ fi
+ 
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
+diff --git a/configure.ac b/configure.ac
+index 67128cc4ad0..c004fce7770 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5283,7 +5283,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
++  AC_CHECK_FUNCS([getentropy getgroups system])
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  AC_CHECK_FUNCS([dup3 pipe2])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.5/Python-3.14.5/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch b/plugins/python-build/share/python-build/patches/3.14.5/Python-3.14.5/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
new file mode 100644
index 00000000..eb4fb73e
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.5/Python-3.14.5/0002-3.14-gh-150443-Exclude-explicit-dup3-and-pipe2-check.patch
@@ -0,0 +1,105 @@
+From 972bdb3578e667c1fad1b09f3ec6355229c069cd Mon Sep 17 00:00:00 2001
+From: Russell Keith-Magee <russell@keith-magee.com>
+Date: Tue, 26 May 2026 13:07:16 +0800
+Subject: [PATCH] [3.14] gh-150443: Exclude explicit dup3 and pipe2 checks on
+ iOS builds. (GH-150444) (#150447)
+
+Exclude explicit dup3 and pipe2 checks on iOS builds.
+(cherry picked from commit 629da5c914b4407e01c1dc06cbcbd8dce825fef3)
+---
+ configure    | 26 +++++++++++++-------------
+ configure.ac |  6 +++---
+ 2 files changed, 16 insertions(+), 16 deletions(-)
+
+diff --git a/configure b/configure
+index 30590a397f8..a5308e561aa 100755
+--- a/configure
++++ b/configure
+@@ -19375,12 +19375,6 @@ if test "x$ac_cv_func_dup" = xyes
+ then :
+   printf "%s\n" "#define HAVE_DUP 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "execv" "ac_cv_func_execv"
+ if test "x$ac_cv_func_execv" = xyes
+@@ -19855,12 +19849,6 @@ if test "x$ac_cv_func_pipe" = xyes
+ then :
+   printf "%s\n" "#define HAVE_PIPE 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "plock" "ac_cv_func_plock"
+ if test "x$ac_cv_func_plock" = xyes
+@@ -20506,7 +20494,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20517,6 +20511,12 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+diff --git a/configure.ac b/configure.ac
+index 87c0ead45a6..4ff68cd36a5 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5264,7 +5264,7 @@ fi
+ # checks for library functions
+ AC_CHECK_FUNCS([ \
+   accept4 alarm bind_textdomain_codeset chmod chown clock closefrom close_range confstr \
+-  copy_file_range ctermid dladdr dup dup3 execv explicit_bzero explicit_memset \
++  copy_file_range ctermid dladdr dup execv explicit_bzero explicit_memset \
+   faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
+   fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
+   gai_strerror getegid geteuid getgid getgrent getgrgid getgrgid_r \
+@@ -5274,7 +5274,7 @@ AC_CHECK_FUNCS([ \
+   getspnam getuid getwd grantpt if_nameindex initgroups kill killpg lchown linkat \
+   lockf lstat lutimes madvise mbrtowc memrchr mkdirat mkfifo mkfifoat \
+   mknod mknodat mktime mmap mremap nice openat opendir pathconf pause pipe \
+-  pipe2 plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
++  plock poll posix_fadvise posix_fallocate posix_openpt posix_spawn posix_spawnp \
+   posix_spawn_file_actions_addclosefrom_np \
+   pread preadv preadv2 process_vm_readv \
+   pthread_cond_timedwait_relative_np pthread_condattr_setclock pthread_init \
+@@ -5305,7 +5305,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([getentropy getgroups system])
++  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.5/Python-3.14.5/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch b/plugins/python-build/share/python-build/patches/3.14.5/Python-3.14.5/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
new file mode 100644
index 00000000..1b028a54
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.5/Python-3.14.5/0003-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
@@ -0,0 +1,101 @@
+From d9fe3c8f79460f2ed5309b9fd667cfdc2a3a0462 Mon Sep 17 00:00:00 2001
+From: Ned Deily <nad@python.org>
+Date: Wed, 5 Aug 2026 00:27:28 -0700
+Subject: [PATCH] [3.14] gh-153711: Avoid use of dup3 and pipe2 calls
+ introduced in macOS 27 (#155206)
+
+---
+ ...-08-05-02-02-33.gh-issue-153711.pO9fFb.rst |  3 ++
+ configure                                     | 32 +++++++++++--------
+ configure.ac                                  |  8 ++++-
+ 3 files changed, 29 insertions(+), 14 deletions(-)
+ create mode 100644 Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+
+diff --git a/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+new file mode 100644
+index 00000000000..90804c179a4
+--- /dev/null
++++ b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+@@ -0,0 +1,3 @@
++On macOS, do not attempt to use the :manpage:`dup3(2)` and
++:manpage:`pipe2(2)` system calls introduced in
++macOS 27 to prevent problems when running on older systems.
+diff --git a/configure b/configure
+index a5308e561aa..76ca500c68b 100755
+--- a/configure
++++ b/configure
+@@ -20494,13 +20494,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+-fi
+-ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20511,12 +20505,6 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+@@ -20525,6 +20513,24 @@ then :
+ 
+ fi
+ 
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
++fi
++
+ fi
+ 
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
+diff --git a/configure.ac b/configure.ac
+index 4ff68cd36a5..b9f5217704f 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5305,7 +5305,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
++  AC_CHECK_FUNCS([getentropy getgroups system])
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  AC_CHECK_FUNCS([dup3 pipe2])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+
diff --git a/plugins/python-build/share/python-build/patches/3.14.6/Python-3.14.6/0002-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch b/plugins/python-build/share/python-build/patches/3.14.6/Python-3.14.6/0002-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
new file mode 100644
index 00000000..e5e2b2c8
--- /dev/null
+++ b/plugins/python-build/share/python-build/patches/3.14.6/Python-3.14.6/0002-3.14-gh-153711-Avoid-use-of-dup3-and-pipe2-calls-int.patch
@@ -0,0 +1,101 @@
+From 39bab3a49d6f952c55c036aef1872c7d6f701039 Mon Sep 17 00:00:00 2001
+From: Ned Deily <nad@python.org>
+Date: Wed, 5 Aug 2026 00:27:28 -0700
+Subject: [PATCH] [3.14] gh-153711: Avoid use of dup3 and pipe2 calls
+ introduced in macOS 27 (#155206)
+
+---
+ ...-08-05-02-02-33.gh-issue-153711.pO9fFb.rst |  3 ++
+ configure                                     | 32 +++++++++++--------
+ configure.ac                                  |  8 ++++-
+ 3 files changed, 29 insertions(+), 14 deletions(-)
+ create mode 100644 Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+
+diff --git a/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+new file mode 100644
+index 00000000000..90804c179a4
+--- /dev/null
++++ b/Misc/NEWS.d/next/macOS/2026-08-05-02-02-33.gh-issue-153711.pO9fFb.rst
+@@ -0,0 +1,3 @@
++On macOS, do not attempt to use the :manpage:`dup3(2)` and
++:manpage:`pipe2(2)` system calls introduced in
++macOS 27 to prevent problems when running on older systems.
+diff --git a/configure b/configure
+index 2088290f0ee..6d669963272 100755
+--- a/configure
++++ b/configure
+@@ -20494,13 +20494,7 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
+-if test "x$ac_cv_func_dup3" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
+-
+-fi
+-ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
++  ac_fn_c_check_func "$LINENO" "getentropy" "ac_cv_func_getentropy"
+ if test "x$ac_cv_func_getentropy" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETENTROPY 1" >>confdefs.h
+@@ -20511,12 +20505,6 @@ if test "x$ac_cv_func_getgroups" = xyes
+ then :
+   printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
+ 
+-fi
+-ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
+-if test "x$ac_cv_func_pipe2" = xyes
+-then :
+-  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
+-
+ fi
+ ac_fn_c_check_func "$LINENO" "system" "ac_cv_func_system"
+ if test "x$ac_cv_func_system" = xyes
+@@ -20525,6 +20513,24 @@ then :
+ 
+ fi
+ 
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  ac_fn_c_check_func "$LINENO" "dup3" "ac_cv_func_dup3"
++if test "x$ac_cv_func_dup3" = xyes
++then :
++  printf "%s\n" "#define HAVE_DUP3 1" >>confdefs.h
++
++fi
++ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
++if test "x$ac_cv_func_pipe2" = xyes
++then :
++  printf "%s\n" "#define HAVE_PIPE2 1" >>confdefs.h
++
++fi
++
+ fi
+ 
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
+diff --git a/configure.ac b/configure.ac
+index aed14946731..900bf6215e0 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5305,7 +5305,13 @@ fi
+ # header definition prevents usage - autoconf doesn't use the headers), or
+ # raise an error if used at runtime. Force these symbols off.
+ if test "$ac_sys_system" != "iOS" ; then
+-  AC_CHECK_FUNCS([dup3 getentropy getgroups pipe2 system])
++  AC_CHECK_FUNCS([getentropy getgroups system])
++fi
++# In addition, macOS introduced dup3 and pipe2 in macOS 27, late in the
++# lifetime of this version of Python. Rather than adding weaklinking
++# support for them, just continue to ignore them.
++if test "$ac_sys_system" != "iOS" -a "$ac_sys_system" != "Darwin"; then
++  AC_CHECK_FUNCS([dup3 pipe2])
+ fi
+ 
+ AC_CHECK_DECL([dirfd],
+-- 
+2.55.0.windows.3
+