pixman-no-tls.patch

diff --color -Naur pixman-0.43.4.orig/meson.build pixman-0.43.4/meson.build
--- pixman-0.43.4.orig/meson.build	2024-02-29 17:13:20.000000000 +0100
+++ pixman-0.43.4/meson.build	2024-03-07 23:20:58.616866224 +0100
@@ -471,35 +471,6 @@
   config.set('HAVE_LIBPNG', 1)
 endif
 dep_m = cc.find_library('m', required : false)
-dep_threads = dependency('threads')
-
-# MSVC-style compilers do not come with pthreads, so we must link
-# to it explicitly, currently pthreads-win32 is supported
-pthreads_found = false
-
-if dep_threads.found() and cc.has_header('pthread.h')
-  if cc.get_argument_syntax() == 'msvc'
-    pthread_lib = null_dep
-    foreach pthread_type : ['VC3', 'VSE3', 'VCE3', 'VC2', 'VSE2', 'VCE2']
-      if not pthread_lib.found()
-        pthread_lib = cc.find_library('pthread@0@'.format(pthread_type), required : false)
-      endif
-    endforeach
-    if pthread_lib.found()
-      pthreads_found = true
-      dep_threads = pthread_lib
-    endif
-  else
-    pthreads_found = true
-  endif
-else
-  # Avoid linking with -pthread if we don't actually have pthreads
-  dep_threads = null_dep
-endif
-
-if pthreads_found
-  config.set('HAVE_PTHREADS', 1)
-endif
 
 funcs = ['sigaction', 'alarm', 'mprotect', 'getpagesize', 'mmap', 'getisax', 'gettimeofday']
 # mingw claimes to have posix_memalign, but it doesn't
@@ -530,26 +501,8 @@
   endif
 endforeach
 
-use_tls = get_option('tls')
-have_tls = ''
-if not use_tls.disabled()
-  # gcc on Windows only warns that __declspec(thread) isn't supported,
-  # passing -Werror=attributes makes it fail.
-  if (host_machine.system() == 'windows' and
-      cc.compiles('int __declspec(thread) foo;',
-                  args : cc.get_supported_arguments(['-Werror=attributes']),
-                  name : 'TLS via __declspec(thread)'))
-    have_tls = '__declspec(thread)'
-  elif cc.compiles('int __thread foo;', name : 'TLS via __thread')
-    have_tls = '__thread'
-  endif
-endif
-
-if have_tls != ''
-  config.set('TLS', have_tls)
-elif use_tls.enabled()
-  error('Compiler TLS Support unavailable, but required')
-endif
+# disable TLS
+config.set('PIXMAN_NO_TLS', 1)
 
 if cc.links('''
     static int x = 1;
diff --color -Naur pixman-0.43.4.orig/meson_options.txt pixman-0.43.4/meson_options.txt
--- pixman-0.43.4.orig/meson_options.txt	2024-02-29 17:13:20.000000000 +0100
+++ pixman-0.43.4/meson_options.txt	2024-03-07 23:27:00.756426834 +0100
@@ -80,11 +80,6 @@
   description : 'Use GNU style inline assembler',
 )
 option(
-  'tls',
-  type : 'feature',
-  description : 'Use compiler support for thread-local storage',
-)
-option(
   'cpu-features-path',
   type : 'string',
   description : 'Path to platform-specific cpu-features.[ch] for systems that do not provide it (e.g. Android)',
diff --color -Naur pixman-0.43.4.orig/pixman/meson.build pixman-0.43.4/pixman/meson.build
--- pixman-0.43.4.orig/pixman/meson.build	2024-02-29 17:13:20.000000000 +0100
+++ pixman-0.43.4/pixman/meson.build	2024-03-07 23:25:46.740538009 +0100
@@ -123,7 +123,7 @@
   [pixman_files, config_h, version_h, cpu_features_sources],
   link_with: pixman_simd_libs,
   c_args : libpixman_extra_cargs,
-  dependencies : [dep_m, dep_threads],
+  dependencies : [dep_m],
   include_directories : cpu_features_inc,
   version : meson.project_version(),
   install : true,