0002-Remove-traces-of-Sun-lposix4.patch

From 865bb8a85627c14ec69a8a919486f06cbd45b0fb Mon Sep 17 00:00:00 2001
From: Thomas Munro <thomas.munro@gmail.com>
Date: Mon, 7 Aug 2023 13:56:41 +1200
Subject: [PATCH 2/2] Remove traces of Sun -lposix4.

This was a library on ancient Solaris systems, which was eventually
replaced with -lrt.  Both are obsolete, as the relevant symbols moved
into the C library long ago.
---
 configure    | 2 +-
 configure.ac | 2 +-
 meson.build  | 3 +--
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/configure b/configure
index 9ea188bc9b..3ee4801a35 100755
--- a/configure
+++ b/configure
@@ -12163,7 +12163,7 @@ return clock_gettime ();
   return 0;
 }
 _ACEOF
-for ac_lib in '' rt posix4; do
+for ac_lib in '' rt; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
diff --git a/configure.ac b/configure.ac
index e36c1aee5a..314bdb5273 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1285,7 +1285,7 @@ AC_SEARCH_LIBS(socket, [socket ws2_32])
 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
 AC_SEARCH_LIBS(shm_open, rt)
 AC_SEARCH_LIBS(shm_unlink, rt)
-AC_SEARCH_LIBS(clock_gettime, [rt posix4])
+AC_SEARCH_LIBS(clock_gettime, rt)
 # Cygwin:
 AC_SEARCH_LIBS(shmget, cygipc)
 # *BSD:
diff --git a/meson.build b/meson.build
index b7e67264e1..734ad37906 100644
--- a/meson.build
+++ b/meson.build
@@ -2364,7 +2364,6 @@ rt_dep = cc.find_library('rt', required: false)
 dl_dep = cc.find_library('dl', required: false)
 
 util_dep = cc.find_library('util', required: false)
-posix4_dep = cc.find_library('posix4', required: false)
 
 getopt_dep = cc.find_library('getopt', required: false)
 gnugetopt_dep = cc.find_library('gnugetopt', required: false)
@@ -2398,7 +2397,7 @@ endif
 func_checks = [
   ['_configthreadlocale', {'skip': host_system != 'windows'}],
   ['backtrace_symbols', {'dependencies': [execinfo_dep]}],
-  ['clock_gettime', {'dependencies': [rt_dep, posix4_dep], 'define': false}],
+  ['clock_gettime', {'dependencies': [rt_dep], 'define': false}],
   ['copyfile'],
   # gcc/clang's sanitizer helper library provides dlopen but not dlsym, thus
   # when enabling asan the dlopen check doesn't notice that -ldl is actually
-- 
2.41.0