configure.ac: require GLib 2.32 (if enabled)

Since version 2.32, g_thread_init() is deprecated and a no-op.  Let's
upgrade that (optional) dependency so we can remove all those
g_thread_init() calls.

configure.ac

@@ -522,7 +522,7 @@ AC_ARG_ENABLE(glib,
 	enable_glib=auto)
 
 if test x$enable_glib != xno; then
-	PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.28 gthread-2.0],
+	PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.32],
 		[found_glib=yes],
 		[found_glib=no])
 

src/Main.cxx

@@ -437,11 +437,6 @@ int mpd_main(int argc, char *argv[])
 
 #ifdef HAVE_GLIB
 	g_set_application_name("Music Player Daemon");
-
-#if !GLIB_CHECK_VERSION(2,32,0)
-	/* enable GLib's thread safety code */
-	g_thread_init(nullptr);
-#endif
 #endif
 #endif
 

test/DumpDatabase.cxx

@@ -33,10 +33,6 @@
 #include "event/Loop.hxx"
 #include "util/Error.hxx"
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <iostream>
 using std::cout;
 using std::cerr;
@@ -107,14 +103,6 @@ main(int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	/* initialize GLib */
-
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(nullptr);
-#endif
-#endif
-
 	/* initialize MPD */
 
 	config_global_init();

test/dump_playlist.cxx

@@ -35,10 +35,6 @@
 #include "thread/Cond.hxx"
 #include "Log.hxx"
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <unistd.h>
 #include <stdlib.h>
 
@@ -64,14 +60,6 @@ int main(int argc, char **argv)
 	const Path config_path = Path::FromFS(argv[1]);
 	uri = argv[2];
 
-	/* initialize GLib */
-
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	/* initialize MPD */
 
 	config_global_init();

test/dump_text_file.cxx

@@ -32,10 +32,6 @@
 #include "archive/ArchiveList.hxx"
 #endif
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -79,14 +75,6 @@ int main(int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	/* initialize GLib */
-
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	/* initialize MPD */
 
 	config_global_init();

test/read_mixer.cxx

@@ -28,10 +28,6 @@
 #include "util/Error.hxx"
 #include "Log.hxx"
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <assert.h>
 #include <string.h>
 #include <unistd.h>
@@ -52,12 +48,6 @@ int main(int argc, gcc_unused char **argv)
 		return EXIT_FAILURE;
 	}
 
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	EventLoop event_loop;
 
 	Error error;

test/read_tags.cxx

@@ -32,10 +32,6 @@
 #include "thread/Cond.hxx"
 #include "Log.hxx"
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <assert.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ -90,12 +86,6 @@ int main(int argc, char **argv)
 	decoder_name = argv[1];
 	const Path path = Path::FromFS(argv[2]);
 
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	const ScopeIOThread io_thread;
 
 	Error error;

test/run_decoder.cxx

@@ -30,10 +30,6 @@
 #include "Log.hxx"
 #include "stdbin.h"
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <assert.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ -50,12 +46,6 @@ int main(int argc, char **argv)
 	const char *const decoder_name = argv[1];
 	const char *const uri = argv[2];
 
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	const ScopeIOThread io_thread;
 
 	Error error;

test/run_filter.cxx

@@ -33,10 +33,6 @@
 #include "system/FatalError.hxx"
 #include "Log.hxx"
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>
@@ -86,14 +82,6 @@ int main(int argc, char **argv)
 
 	AudioFormat audio_format(44100, SampleFormat::S16, 2);
 
-	/* initialize GLib */
-
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	/* read configuration file (mpd.conf) */
 
 	config_global_init();

test/run_input.cxx

@@ -35,10 +35,6 @@
 #include "archive/ArchiveList.hxx"
 #endif
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <unistd.h>
 #include <stdlib.h>
 
@@ -105,14 +101,6 @@ int main(int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	/* initialize GLib */
-
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	/* initialize MPD */
 
 	config_global_init();

test/run_output.cxx

@@ -36,10 +36,6 @@
 #include "util/Error.hxx"
 #include "Log.hxx"
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <assert.h>
 #include <string.h>
 #include <unistd.h>
@@ -163,12 +159,6 @@ int main(int argc, char **argv)
 
 	AudioFormat audio_format(44100, SampleFormat::S16, 2);
 
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	/* read configuration file (mpd.conf) */
 
 	config_global_init();

test/run_storage.cxx

@@ -24,10 +24,6 @@
 #include "storage/FileInfo.hxx"
 #include "util/Error.hxx"
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <memory>
 
 #include <unistd.h>
@@ -102,14 +98,6 @@ main(int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	/* initialize GLib */
-
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	const char *const command = argv[1];
 	const char *const storage_uri = argv[2];
 

test/visit_archive.cxx

@@ -30,10 +30,6 @@
 #include "fs/Path.hxx"
 #include "util/Error.hxx"
 
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-
 #include <unistd.h>
 #include <stdlib.h>
 
@@ -57,14 +53,6 @@ main(int argc, char **argv)
 	const char *plugin_name = argv[1];
 	const Path path = Path::FromFS(argv[2]);
 
-	/* initialize GLib */
-
-#ifdef HAVE_GLIB
-#if !GLIB_CHECK_VERSION(2,32,0)
-	g_thread_init(NULL);
-#endif
-#endif
-
 	/* initialize MPD */
 
 	config_global_init();