remove more gtk2

plugins/sysinfo/meson.build

@@ -10,7 +10,7 @@ sysinfo_deps = [
 ]
 
 sysinfo_includes = []
-sysinfo_cargs = []
+sysinfo_cargs = ['-DHAVE_CONFIG_H']
 
 system = host_machine.system()
 if system == 'linux' or system == 'gnu' or system.startswith('gnu/') or system == 'darwin' or system == 'freebsd'
@@ -19,6 +19,10 @@ if system == 'linux' or system == 'gnu' or system.startswith('gnu/') or system =
     'shared/df.c'
   ]
 
+  if get_option('gtk-frontend')
+    sysinfo_cargs += '-DUSE_GTK_FRONTEND'
+  endif
+
   if system == 'linux' or system == 'gnu' or system.startswith('gnu/') or system == 'freebsd'
     libpci = dependency('libpci', required: false, method: 'pkg-config')
     if libpci.found()
@@ -30,6 +34,10 @@ if system == 'linux' or system == 'gnu' or system.startswith('gnu/') or system =
       pciids = join_paths(picidsdir, 'pci.ids')
       sysinfo_cargs += '-DPCIIDS_FILE="@0@"'.format(pciids)
     endif
+    if get_option('gtk-frontend')
+      sysinfo_deps += dependency('gtk+-3.0', version: '>= 3.22')
+    endif
+
     sysinfo_includes += 'unix'
     sysinfo_sources += [
       'unix/backend.c',
@@ -52,7 +60,7 @@ endif
 
 shared_module('sysinfo', sysinfo_sources,
   dependencies: sysinfo_deps,
-  include_directories: include_directories(sysinfo_includes),
+  include_directories: [config_h_include, include_directories(sysinfo_includes)],
   c_args: sysinfo_cargs,
   install: true,
   install_dir: plugindir,

plugins/sysinfo/osx/backend.m

@@ -32,6 +32,10 @@
 
 #include <glib.h>
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "format.h"
 #include "df.h"
 
@@ -276,7 +280,7 @@ sysinfo_backend_get_network(void)
 
 static const char *sysinfo_detect_toolkit(void)
 {
-#if defined(HAVE_GTK3)
+#if defined(USE_GTK_FRONTEND)
 	return "GTK3";
 #else
 	return NULL;

plugins/sysinfo/unix/backend.c

@@ -19,7 +19,11 @@
 
 #include <glib.h>
 
-#if defined(HAVE_GTK3)
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if defined(USE_GTK_FRONTEND)
 #include <gdk/gdk.h>
 #endif
 #include "parse.h"
@@ -175,7 +179,7 @@ char *sysinfo_backend_get_network(void)
 
 static const char *sysinfo_detect_toolkit(void)
 {
-#if defined(HAVE_GTK3)
+#if defined(USE_GTK_FRONTEND)
 	return "GTK3";
 #else
 	return NULL;
@@ -190,7 +194,7 @@ static const char *sysinfo_detect_display_backend(void)
 	const gboolean session_wayland = session && g_ascii_strcasecmp(session, "wayland") == 0;
 
 	/* Best-effort: ask GDK what it actually opened, if available. */
-#if defined(HAVE_GTK3)
+#if defined(USE_GTK_FRONTEND)
 	{
 		GdkDisplay *display = gdk_display_get_default();
 		if (display)

plugins/sysinfo/win32/backend.c

@@ -26,6 +26,10 @@
 
 #include <glib.h>
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "../../../src/common/sysinfo/sysinfo.h"
 
 #include "../format.h"
@@ -106,7 +110,7 @@ static char *get_memory_info (void)
 
 static const char *sysinfo_detect_toolkit(void)
 {
-#if defined(HAVE_GTK3)
+#if defined(USE_GTK_FRONTEND)
 	return "GTK3";
 #else
 	return NULL;