From 943dd49c9b70210b8b32199c6bfe648235a92700 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbaeder@redhat.com>
Date: Tue, 17 Jan 2023 10:36:43 +0100
Subject: [PATCH] Fix undefined pthread_setname_np

https://fedoraproject.org/wiki/Toolchain/PortingToModernC
---
 gc.spec                  |  8 +++++++-
 pthread_setname_np.patch | 22 ++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 pthread_setname_np.patch

diff --git a/gc.spec b/gc.spec
index 91feaeb..3ad797c 100644
--- a/gc.spec
+++ b/gc.spec
@@ -1,7 +1,7 @@
 Summary: Garbage collector for C and C++
 Name:    gc
 Version: 8.2.2
-Release: 1%{?dist}
+Release: 2%{?dist}
 
 License: BSD
 URL:     https://www.hboehm.info/gc/
@@ -10,6 +10,8 @@ Source0: https://github.com/ivmai/bdwgc/releases/download/v%{version}/gc-%{versi
 ## upstreamable patches
 
 ## downstream patches
+# Already upstream: https://github.com/ivmai/bdwgc/commit/4489757f1cc1fe4aa98d4c1ebbe0789b2b308e11
+Patch0: pthread_setname_np.patch
 
 BuildRequires: automake libtool
 BuildRequires: gcc-c++
@@ -105,6 +107,10 @@ make check %{?arch_ignore}
 
 
 %changelog
+* Tue Jan 17 2023 Timm Bäder <tbaeder@redhat.com> - 8.2.2-2
+- Fix undefined pthread_setname_np
+- https://fedoraproject.org/wiki/Toolchain/PortingToModernC
+
 * Tue Sep 20 2022 Rex Dieter <rdieter@fedoraproject.org> 8.2.2-1
 - 8.2.2 (#2124760)
 
diff --git a/pthread_setname_np.patch b/pthread_setname_np.patch
new file mode 100644
index 0000000..1925064
--- /dev/null
+++ b/pthread_setname_np.patch
@@ -0,0 +1,22 @@
+diff -ruN gc-8.2.2.orig/configure.ac gc-8.2.2/configure.ac
+--- gc-8.2.2.orig/configure.ac	2022-08-26 20:44:49.000000000 +0200
++++ gc-8.2.2/configure.ac	2023-01-17 10:24:04.342866823 +0100
+@@ -833,13 +833,15 @@
+ AS_IF([test "$THREADS" = posix],
+   [AC_MSG_CHECKING(for pthread_setname_np)
+    old_CFLAGS="$CFLAGS"
+-   CFLAGS="$CFLAGS $CFLAGS_EXTRA -Werror"
+-   AC_TRY_COMPILE([#include <pthread.h>],
++   CFLAGS="$CFLAGS $CFLAGS_EXTRA -Werror -pthread"
++   AC_TRY_COMPILE([#define _GNU_SOURCE
++                  #include <pthread.h>],
+                   [pthread_setname_np("thread-name")],
+      [AC_MSG_RESULT([yes (w/o tid)])
+       AC_DEFINE([HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID], [1],
+                 [Define to use 'pthread_setname_np(const char*)' function.])],
+-     [AC_TRY_COMPILE([#include <pthread.h>],
++     [AC_TRY_COMPILE([#define _GNU_SOURCE
++                     #include <pthread.h>],
+                      [pthread_setname_np(pthread_self(), "thread-name-%u", 0)],
+        [AC_MSG_RESULT([yes (with tid and arg)])
+         AC_DEFINE([HAVE_PTHREAD_SETNAME_NP_WITH_TID_AND_ARG], [1],