rebuild macos build

src/common/macos.c

@@ -0,0 +1,127 @@
+/* Relocate resources before GTK, Fontconfig, GIO or OpenSSL initialize.
+ * GPL-2.0-or-later; see COPYING. */
+#include "config.h"
+#include "macos.h"
+#include <gio/gio.h>
+#include <mach-o/dyld.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+static char *locale_dir;
+
+static void
+set_path (const char *variable, const char *base, const char *relative)
+{
+    char *path = g_build_filename (base, relative, NULL);
+    g_setenv (variable, path, TRUE);
+    g_free (path);
+}
+
+static void
+relocate_cache (const char *resources, const char *name, const char *variable)
+{
+    char *input = g_build_filename (resources, name, NULL);
+    char *contents = NULL;
+    GError *error = NULL;
+
+    if (g_file_get_contents (input, &contents, NULL, &error))
+    {
+        /* GTK cache files require absolute module paths. Write only data to
+         * the user cache, never into the signed/read-only application bundle. */
+        char **parts = g_strsplit (contents, "@ZOITECHAT_RESOURCES@", -1);
+        char *escaped = g_strescape (resources, NULL);
+        char *relocated = g_strjoinv (escaped, parts);
+        g_free (escaped);
+        char *digest = g_compute_checksum_for_string (G_CHECKSUM_SHA256, relocated, -1);
+        char *directory = g_build_filename (g_get_user_cache_dir (), "zoitechat", "modules", digest, NULL);
+        char *output = g_build_filename (directory, name, NULL);
+        if (g_mkdir_with_parents (directory, 0700) == 0 &&
+            g_file_set_contents (output, relocated, -1, &error))
+            g_setenv (variable, output, TRUE);
+        else
+            g_warning ("Cannot relocate %s: %s", name, error ? error->message : "cannot create cache directory");
+        g_free (output);
+        g_free (directory);
+        g_free (digest);
+        g_free (relocated);
+        g_strfreev (parts);
+    }
+    else
+        g_warning ("Cannot read %s: %s", input, error->message);
+    g_clear_error (&error);
+    g_free (contents);
+    g_free (input);
+}
+
+void
+zoitechat_macos_init (void)
+{
+    uint32_t size = 0;
+    char *raw, *executable, *macos, *contents, *resources, *marker;
+    char *ca;
+    GTlsDatabase *database;
+    GError *error = NULL;
+
+    _NSGetExecutablePath (NULL, &size);
+    raw = g_malloc (size);
+    if (_NSGetExecutablePath (raw, &size) != 0)
+    {
+        g_free (raw);
+        return;
+    }
+    executable = realpath (raw, NULL);
+    g_free (raw);
+    if (!executable)
+        return;
+    macos = g_path_get_dirname (executable);
+    free (executable);
+    contents = g_path_get_dirname (macos);
+    resources = g_build_filename (contents, "Resources", NULL);
+    marker = g_build_filename (resources, "zoitechat-bundle", NULL);
+    g_free (macos);
+    g_free (contents);
+    if (!g_file_test (marker, G_FILE_TEST_IS_REGULAR))
+    {
+        g_free (marker);
+        g_free (resources);
+        return; /* Ordinary Meson installs and build-tree runs retain their paths. */
+    }
+    g_free (marker);
+    g_setenv ("GDK_BACKEND", "quartz", TRUE);
+    set_path ("ZOITECHAT_MACOS_SHARE", resources, "share");
+    set_path ("XDG_DATA_DIRS", resources, "share");
+    set_path ("GSETTINGS_SCHEMA_DIR", resources, "share/glib-2.0/schemas");
+    set_path ("FONTCONFIG_FILE", resources, "fonts.conf");
+    set_path ("GIO_EXTRA_MODULES", resources, "lib/gio/modules");
+    set_path ("GIO_MODULE_DIR", resources, "lib/gio/modules");
+    set_path ("ZOITECHAT_LIBDIR", resources, "lib/zoitechat/plugins");
+    set_path ("ZOITECHAT_EMOJI_FONT", resources, "share/fonts/zoitechat/NotoColorEmoji.ttf");
+    set_path ("ZOITECHAT_ENCHANT_LIBRARY", resources, "lib/libenchant-2.dylib");
+    g_setenv ("ZOITECHAT_ENCHANT_PREFIX", resources, TRUE);
+    set_path ("SSL_CERT_FILE", resources, "certs/ca-bundle.crt");
+    set_path ("OPENSSL_MODULES", resources, "lib/ossl-modules");
+    locale_dir = g_build_filename (resources, "share/locale", NULL);
+    relocate_cache (resources, "pixbuf-loaders.cache", "GDK_PIXBUF_MODULE_FILE");
+    relocate_cache (resources, "gtk-immodules.cache", "GTK_IM_MODULE_FILE");
+
+    /* HTTPS previews use GIO; IRC uses OpenSSL. Give both the same CA set. */
+    ca = g_build_filename (resources, "certs/ca-bundle.crt", NULL);
+    database = g_tls_file_database_new (ca, &error);
+    if (database)
+    {
+        g_tls_backend_set_default_database (g_tls_backend_get_default (), database);
+        g_object_unref (database);
+    }
+    else
+        g_warning ("Cannot load bundled HTTPS trust database: %s", error->message);
+    g_clear_error (&error);
+    g_free (ca);
+    g_free (resources);
+}
+
+const char *
+zoitechat_macos_locale_dir (void)
+{
+    return locale_dir ? locale_dir : LOCALEDIR;
+}

src/common/macos.h

@@ -0,0 +1,6 @@
+/* macOS bundle runtime; GPL-2.0-or-later, see COPYING. */
+#ifndef ZOITECHAT_MACOS_H
+#define ZOITECHAT_MACOS_H
+void zoitechat_macos_init (void);
+const char *zoitechat_macos_locale_dir (void);
+#endif

src/common/meson.build

@@ -29,6 +29,10 @@ common_sources = [
   'util.c'
 ]
 
+if host_machine.system() == 'darwin'
+  common_sources += 'macos.c'
+endif
+
 secretstore_sources = files('secretstore.c')
 
 common_sysinfo_deps = []
@@ -155,12 +159,19 @@ zoitechat_common = static_library('zoitechatcommon',
   pic: true
 )
 
+# zoitechat.h exposes OpenSSL types whenever TLS is enabled. Propagate its
+# header requirements even to standalone consumers that do not call OpenSSL.
+zoitechat_common_header_deps = [libgio_dep]
+if libssl_dep.found()
+  zoitechat_common_header_deps += libssl_dep.partial_dependency(compile_args: true, includes: true)
+endif
+
 zoitechat_common_dep = declare_dependency(
   sources: [textevents, public_suffix_data] + marshal,
   link_with: zoitechat_common,
   include_directories: common_includes,
   compile_args: common_cflags,
-  dependencies: libgio_dep,
+  dependencies: zoitechat_common_header_deps,
 )
 
 zoitechat_plugin_dep = declare_dependency(
@@ -176,7 +187,7 @@ gtk3_theme_service_tests = executable('gtk3_theme_service_tests',
     'gtk3-theme-service.c',
   ],
   include_directories: [config_h_include, include_directories('.')],
-  dependencies: [libgio_dep] + (libarchive_dep.found() ? [libarchive_dep] : []),
+  dependencies: zoitechat_common_header_deps + (libarchive_dep.found() ? [libarchive_dep] : []),
 )
 
 test('GTK3 Theme Service Tests', gtk3_theme_service_tests,

src/common/zoitechat.c

@@ -54,6 +54,9 @@
 #include "text.h"
 #include "url.h"
 #include "zoitechatc.h"
+#ifdef __APPLE__
+#include "macos.h"
+#endif
 
 #if ! GLIB_CHECK_VERSION (2, 36, 0)
 #include <glib-object.h>			/* for g_type_init() */
@@ -1172,6 +1175,10 @@ main (int argc, char *argv[])
 	int i;
 	int ret;
 
+#ifdef __APPLE__
+	zoitechat_macos_init ();
+#endif
+
 #ifdef WIN32
 	HRESULT coinit_result;
 #endif