pyrox.dev
cpython: remove upstreamed patch
This patch has been merged in python 3.9.7.
https://github.com/python/cpython/commit/4b55837e7c747e0f3bd2df1b5c8996ce86c6f60a
-84
pkgs/development/interpreters/python/cpython/3.9/bpo-44689-ctypes.util.find_library-now-finds-macOS-1.patch
-84
pkgs/development/interpreters/python/cpython/3.9/bpo-44689-ctypes.util.find_library-now-finds-macOS-1.patch
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From 4b55837e7c747e0f3bd2df1b5c8996ce86c6f60a Mon Sep 17 00:00:00 2001
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From: "Miss Islington (bot)"
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<31488909+miss-islington@users.noreply.github.com>
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Date: Mon, 30 Aug 2021 02:08:16 -0700
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Subject: [PATCH] bpo-44689: ctypes.util.find_library() now finds macOS 11+
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system libraries when built on older macOS systems (GH-27251) (GH-28053)
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Previously, when built on older macOS systems, `find_library` was not able to find macOS system libraries when running on Big Sur due to changes in how system libraries are stored.
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(cherry picked from commit 71853a73024a98aa38a3c0444fe364dbd9709134)
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Co-authored-by: Tobias Bergkvist <tobias@bergkv.ist>
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---
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.../2021-07-20-22-27-01.bpo-44689.mmT_xH.rst | 5 ++++
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Modules/_ctypes/callproc.c | 29 +++++++++++++++++--
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2 files changed, 31 insertions(+), 3 deletions(-)
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create mode 100644 Misc/NEWS.d/next/macOS/2021-07-20-22-27-01.bpo-44689.mmT_xH.rst
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diff --git a/Misc/NEWS.d/next/macOS/2021-07-20-22-27-01.bpo-44689.mmT_xH.rst b/Misc/NEWS.d/next/macOS/2021-07-20-22-27-01.bpo-44689.mmT_xH.rst
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new file mode 100644
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index 0000000000..b1e878d1ee
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--- /dev/null
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+++ b/Misc/NEWS.d/next/macOS/2021-07-20-22-27-01.bpo-44689.mmT_xH.rst
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@@ -0,0 +1,5 @@
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+ :meth:`ctypes.util.find_library` now works correctly on macOS 11 Big Sur
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+ even if Python is built on an older version of macOS. Previously, when
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+ built on older macOS systems, ``find_library`` was not able to find
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+ macOS system libraries when running on Big Sur due to changes in
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+ how system libraries are stored.
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diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c
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index 18984d15ab..b0f1e0bd04 100644
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--- a/Modules/_ctypes/callproc.c
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+++ b/Modules/_ctypes/callproc.c
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@@ -1449,14 +1449,37 @@ copy_com_pointer(PyObject *self, PyObject *args)
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return r;
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}
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#else
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+#ifdef __APPLE__
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#ifdef HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH
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+#define HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH_RUNTIME \
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+ __builtin_available(macOS 11.0, iOS 14.0, tvOS 14.0, watchOS 7.0, *)
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+#else
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+// Support the deprecated case of compiling on an older macOS version
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+static void *libsystem_b_handle;
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+static bool (*_dyld_shared_cache_contains_path)(const char *path);
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+
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+__attribute__((constructor)) void load_dyld_shared_cache_contains_path(void) {
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+ libsystem_b_handle = dlopen("/usr/lib/libSystem.B.dylib", RTLD_LAZY);
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+ if (libsystem_b_handle != NULL) {
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+ _dyld_shared_cache_contains_path = dlsym(libsystem_b_handle, "_dyld_shared_cache_contains_path");
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+ }
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+}
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+
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+__attribute__((destructor)) void unload_dyld_shared_cache_contains_path(void) {
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+ if (libsystem_b_handle != NULL) {
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+ dlclose(libsystem_b_handle);
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+ }
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+}
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+#define HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH_RUNTIME \
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+ _dyld_shared_cache_contains_path != NULL
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+#endif
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+
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static PyObject *py_dyld_shared_cache_contains_path(PyObject *self, PyObject *args)
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{
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PyObject *name, *name2;
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char *name_str;
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- if (__builtin_available(macOS 11.0, iOS 14.0, tvOS 14.0, watchOS 7.0, *)) {
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+ if (HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH_RUNTIME) {
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int r;
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if (!PyArg_ParseTuple(args, "O", &name))
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@@ -1999,7 +2022,7 @@ PyMethodDef _ctypes_module_methods[] = {
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{"dlclose", py_dl_close, METH_VARARGS, "dlclose a library"},
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{"dlsym", py_dl_sym, METH_VARARGS, "find symbol in shared library"},
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#endif
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-#ifdef HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH
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+#ifdef __APPLE__
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{"_dyld_shared_cache_contains_path", py_dyld_shared_cache_contains_path, METH_VARARGS, "check if path is in the shared cache"},
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#endif
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{"alignment", align_func, METH_O, alignment_doc},
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--
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2.33.1
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-3
pkgs/development/interpreters/python/cpython/default.nix
-3
pkgs/development/interpreters/python/cpython/default.nix
···
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] ++ optionals (pythonAtLeast "3.9" && stdenv.isDarwin) [
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# Stop checking for TCL/TK in global macOS locations
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./3.9/darwin-tcl-tk.patch
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# ctypes.util.find_library() now finds macOS 11+ system libraries when built on older macOS systems
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# https://github.com/python/cpython/pull/28053
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./3.9/bpo-44689-ctypes.util.find_library-now-finds-macOS-1.patch
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] ++ optionals (isPy3k && hasDistutilsCxxPatch) [
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# Fix for http://bugs.python.org/issue1222585
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# Upstream distutils is calling C compiler to compile C++ code, which