diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ec76291f1..59f20920c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -332,7 +332,9 @@ vs2017-x64:
     - win32-ps
   needs: []
   script:
-    - .gitlab-ci/test-msvc.bat
+    # FIXME: These should use --wrap-mode=nodownload but the Windows CI machines
+    # aren’t currently set up for that.
+    - .gitlab-ci/test-msvc.bat ${MESON_COMMON_OPTIONS} --wrap-mode=default
   artifacts:
     reports:
       junit: "_build/${env:CI_JOB_NAME}-report.xml"
@@ -347,6 +349,25 @@ vs2017-x64:
       - _build/gthread/libgthread-2.0-0.dll
       - _build/gobject/libgobject-2.0-0.dll
 
+vs2017-x64-static:
+  extends: .only-default
+  stage: build
+  tags:
+    - win32-ps
+  needs: []
+  script:
+    # FIXME: These should use --wrap-mode=nodownload but the Windows CI machines
+    # aren’t currently set up for that.
+    - .gitlab-ci/test-msvc.bat ${MESON_COMMON_OPTIONS} --wrap-mode=default --default-library=static
+  artifacts:
+    reports:
+      junit: "_build/${env:CI_JOB_NAME}-report.xml"
+    name: "glib-${env:CI_JOB_NAME}-${env:CI_COMMIT_REF_NAME}"
+    when: always
+    paths:
+      - _build/meson-logs
+      - "_build/${env:CI_JOB_NAME}-report.xml"
+
 freebsd-12-x86_64:
   stage: build
   only:
diff --git a/.gitlab-ci/test-msvc.bat b/.gitlab-ci/test-msvc.bat
index aeb09664f..1a6924bd2 100644
--- a/.gitlab-ci/test-msvc.bat
+++ b/.gitlab-ci/test-msvc.bat
@@ -2,11 +2,18 @@
 :: vcvarsall.bat sets various env vars like PATH, INCLUDE, LIB, LIBPATH for the
 :: specified build architecture
 call "C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" x64
-@echo on
+
+:: Remove quotes from script args
+setlocal enabledelayedexpansion
+set args=
+for %%x in (%*) do (
+  set args=!args! %%~x
+)
+set args=%args:~1%
 
 :: FIXME: make warnings fatal
 pip3 install --upgrade --user meson==0.52.0  || goto :error
-meson _build || goto :error
+meson %args% _build || goto :error
 ninja -C _build || goto :error
 
 :: FIXME: dont ignore test errors
diff --git a/gio/giomodule.c b/gio/giomodule.c
index 90af75118..1e202d3ee 100644
--- a/gio/giomodule.c
+++ b/gio/giomodule.c
@@ -68,6 +68,10 @@
 #include <AvailabilityMacros.h>
 #endif
 
+#define __GLIB_H_INSIDE__
+#include "gconstructor.h"
+#undef __GLIB_H_INSIDE__
+
 /**
  * SECTION:giomodule
  * @short_description: Loadable GIO Modules
@@ -1103,7 +1107,7 @@ extern GType _g_win32_network_monitor_get_type (void);
 
 static HMODULE gio_dll = NULL;
 
-#ifdef DLL_EXPORT
+#ifndef GLIB_STATIC_COMPILATION
 
 BOOL WINAPI DllMain (HINSTANCE hinstDLL,
                      DWORD     fdwReason,
@@ -1123,8 +1127,40 @@ DllMain (HINSTANCE hinstDLL,
   return TRUE;
 }
 
+#elif defined(G_HAS_CONSTRUCTORS) /* && G_PLATFORM_WIN32 && GLIB_STATIC_COMPILATION */
+extern void glib_win32_init (void);
+extern void gobject_win32_init (void);
+
+#ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
+#pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(giomodule_init_ctor)
 #endif
 
+G_DEFINE_CONSTRUCTOR (giomodule_init_ctor)
+
+static void
+giomodule_init_ctor (void)
+{
+  /* When built dynamically, module initialization is done through DllMain
+   * function which is called when the dynamic library is loaded by the glib
+   * module AFTER loading gobject. So, in dynamic configuration glib and
+   * gobject are always initialized BEFORE gio.
+   *
+   * When built statically, initialization mechanism relies on hooking
+   * functions to the CRT section directly at compilation time. As we don't
+   * control how each compilation unit will be built and in which order, we
+   * obtain the same kind of issue as the "static initialization order fiasco".
+   * In this case, we must ensure explicitly that glib and gobject are always
+   * well initialized BEFORE gio.
+   */
+  glib_win32_init ();
+  gobject_win32_init ();
+  gio_win32_appinfo_init (FALSE);
+}
+
+#else /* G_PLATFORM_WIN32 && GLIB_STATIC_COMPILATION && !G_HAS_CONSTRUCTORS */
+#error Your platform/compiler is missing constructor support
+#endif /* GLIB_STATIC_COMPILATION */
+
 void *
 _g_io_win32_get_module (void)
 {
@@ -1136,7 +1172,7 @@ _g_io_win32_get_module (void)
   return gio_dll;
 }
 
-#endif
+#endif /* G_PLATFORM_WIN32 */
 
 void
 _g_io_modules_ensure_extension_points_registered (void)
diff --git a/gio/tests/modules/symbol-visibility.h b/gio/tests/modules/symbol-visibility.h
index f9f8826ce..e83894444 100644
--- a/gio/tests/modules/symbol-visibility.h
+++ b/gio/tests/modules/symbol-visibility.h
@@ -3,11 +3,15 @@
 
 /* This is the same check that's done in configure to create config.h */
 #ifdef _WIN32
-# ifdef _MSC_VER
-#  define GLIB_TEST_EXPORT_SYMBOL __declspec(dllexport) extern
-# else
-#  define GLIB_TEST_EXPORT_SYMBOL __attribute__((visibility("default"))) __declspec(dllexport) extern
-# endif
+#ifdef GLIB_STATIC_COMPILATION
+#define GLIB_TEST_EXPORT_SYMBOL extern
+#else
+#ifdef _MSC_VER
+#define GLIB_TEST_EXPORT_SYMBOL __declspec(dllexport) extern
+#else
+#define GLIB_TEST_EXPORT_SYMBOL __attribute__ ((visibility ("default"))) __declspec(dllexport) extern
+#endif
+#endif
 /* Matches GCC and Clang */
 #elif defined(__GNUC__) && (__GNUC__ >= 4)
 # define GLIB_TEST_EXPORT_SYMBOL __attribute__((visibility("default"))) extern
diff --git a/glib/gconstructor.h b/glib/gconstructor.h
index 407202167..17c46699a 100644
--- a/glib/gconstructor.h
+++ b/glib/gconstructor.h
@@ -1,3 +1,30 @@
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GLib Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#ifndef __G_CONSTRUCTOR_H__
+#define __G_CONSTRUCTOR_H__
+
 /*
   If G_HAS_CONSTRUCTORS is true then the compiler support *both* constructors and
   destructors, in a usable way, including e.g. on library unload. If not you're on
@@ -28,6 +55,7 @@
 #elif defined (_MSC_VER) && (_MSC_VER >= 1500)
 /* Visual studio 2008 and later has _Pragma */
 
+#include "gslist.h"
 #include <stdlib.h>
 
 #define G_HAS_CONSTRUCTORS 1
@@ -120,3 +148,4 @@
 #endif
 
 #endif /* __GTK_DOC_IGNORE__ */
+#endif /* __G_CONSTRUCTOR_H__ */
diff --git a/glib/glib-init.c b/glib/glib-init.c
index 2958fb5be..e7b4984e6 100644
--- a/glib/glib-init.c
+++ b/glib/glib-init.c
@@ -340,14 +340,48 @@ glib_init (void)
   g_error_init ();
 }
 
-#if defined (G_OS_WIN32)
+#ifdef G_PLATFORM_WIN32
+
+HMODULE glib_dll = NULL;
+void glib_win32_init (void);
+
+void
+glib_win32_init (void)
+{
+  /* May be called more than once in static compilation mode */
+  static gboolean win32_already_init = FALSE;
+  if (!win32_already_init)
+    {
+      win32_already_init = TRUE;
+
+      g_crash_handler_win32_init ();
+#ifdef THREADS_WIN32
+      g_thread_win32_init ();
+#endif
+
+      g_clock_win32_init ();
+      glib_init ();
+      /* must go after glib_init */
+      g_console_win32_init ();
+    }
+}
+
+static void
+glib_win32_deinit (gboolean detach_thread)
+{
+#ifdef THREADS_WIN32
+  if (detach_thread)
+    g_thread_win32_process_detach ();
+#endif
+  g_crash_handler_win32_deinit ();
+}
+
+#ifndef GLIB_STATIC_COMPILATION
 
 BOOL WINAPI DllMain (HINSTANCE hinstDLL,
                      DWORD     fdwReason,
                      LPVOID    lpvReserved);
 
-HMODULE glib_dll;
-
 BOOL WINAPI
 DllMain (HINSTANCE hinstDLL,
          DWORD     fdwReason,
@@ -357,14 +391,7 @@ DllMain (HINSTANCE hinstDLL,
     {
     case DLL_PROCESS_ATTACH:
       glib_dll = hinstDLL;
-      g_crash_handler_win32_init ();
-      g_clock_win32_init ();
-#ifdef THREADS_WIN32
-      g_thread_win32_init ();
-#endif
-      glib_init ();
-      /* must go after glib_init */
-      g_console_win32_init ();
+      glib_win32_init ();
       break;
 
     case DLL_THREAD_DETACH:
@@ -374,11 +401,7 @@ DllMain (HINSTANCE hinstDLL,
       break;
 
     case DLL_PROCESS_DETACH:
-#ifdef THREADS_WIN32
-      if (lpvReserved == NULL)
-        g_thread_win32_process_detach ();
-#endif
-      g_crash_handler_win32_deinit ();
+      glib_win32_deinit (lpvReserved == NULL);
       break;
 
     default:
@@ -389,7 +412,35 @@ DllMain (HINSTANCE hinstDLL,
   return TRUE;
 }
 
-#elif defined (G_HAS_CONSTRUCTORS)
+#elif defined(G_HAS_CONSTRUCTORS) /* && G_PLATFORM_WIN32 && GLIB_STATIC_COMPILATION */
+#ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
+#pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(glib_init_ctor)
+#endif
+#ifdef G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA
+#pragma G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(glib_init_dtor)
+#endif
+
+G_DEFINE_CONSTRUCTOR (glib_init_ctor)
+
+static void
+glib_init_ctor (void)
+{
+  glib_win32_init ();
+}
+
+G_DEFINE_DESTRUCTOR (glib_init_dtor)
+
+static void
+glib_init_dtor (void)
+{
+  glib_win32_deinit (FALSE);
+}
+
+#else /* G_PLATFORM_WIN32 && GLIB_STATIC_COMPILATION && !G_HAS_CONSTRUCTORS */
+#error Your platform/compiler is missing constructor support
+#endif /* GLIB_STATIC_COMPILATION */
+
+#elif defined(G_HAS_CONSTRUCTORS) /* && !G_PLATFORM_WIN32 */
 
 #ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
 #pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(glib_init_ctor)
@@ -402,6 +453,6 @@ glib_init_ctor (void)
   glib_init ();
 }
 
-#else
+#else /* !G_PLATFORM_WIN32 && !G_HAS_CONSTRUCTORS */
 # error Your platform/compiler is missing constructor support
-#endif
+#endif /* G_PLATFORM_WIN32 */
diff --git a/glib/glibconfig.h.in b/glib/glibconfig.h.in
index 873cb0314..e66748d95 100644
--- a/glib/glibconfig.h.in
+++ b/glib/glibconfig.h.in
@@ -20,6 +20,8 @@
 
 #mesondefine GLIB_STATIC_COMPILATION
 #mesondefine GOBJECT_STATIC_COMPILATION
+#mesondefine G_INTL_STATIC_COMPILATION
+#mesondefine FFI_STATIC_BUILD
 
 G_BEGIN_DECLS
 
diff --git a/glib/gthread-win32.c b/glib/gthread-win32.c
index 4cac46d6b..e7a4cde7b 100644
--- a/glib/gthread-win32.c
+++ b/glib/gthread-win32.c
@@ -422,6 +422,28 @@ g_system_thread_free (GRealThread *thread)
 void
 g_system_thread_exit (void)
 {
+  /* In static compilation, DllMain doesn't exist and so DLL_THREAD_DETACH
+   * case is never called and thread destroy notifications are not triggered.
+   * To ensure that notifications are correctly triggered in static
+   * compilation mode, we call directly the "detach" function here right
+   * before terminating the thread.
+   * As all win32 threads initialized through the glib API are run through
+   * the same proxy function g_thread_win32_proxy() which calls systematically
+   * g_system_thread_exit() when finishing, we obtain the same behavior as
+   * with dynamic compilation.
+   *
+   * WARNING: unfortunately this mechanism cannot work with threads created
+   * directly from the Windows API using CreateThread() or _beginthread/ex().
+   * It only works with threads created by using the glib API with
+   * g_system_thread_new(). If users need absolutely to use a thread NOT
+   * created with glib API under Windows and in static compilation mode, they
+   * should not use glib functions within their thread or they may encounter
+   * memory leaks when the thread finishes.
+   */
+#ifdef GLIB_STATIC_COMPILATION
+  g_thread_win32_thread_detach ();
+#endif
+
   _endthreadex (0);
 }
 
@@ -610,7 +632,7 @@ SetThreadName (DWORD  dwThreadID,
 typedef HRESULT (WINAPI *pSetThreadDescription) (HANDLE hThread,
                                                  PCWSTR lpThreadDescription);
 static pSetThreadDescription SetThreadDescriptionFunc = NULL;
-HMODULE kernel32_module = NULL;
+static HMODULE kernel32_module = NULL;
 
 static gboolean
 g_thread_win32_load_library (void)
diff --git a/glib/tests/private.c b/glib/tests/private.c
index 5e89b35e2..ec256d8de 100644
--- a/glib/tests/private.c
+++ b/glib/tests/private.c
@@ -146,6 +146,14 @@ test_private3 (void)
     thread = (HANDLE) _beginthreadex (NULL, 0, private3_func, NULL, 0, &ignore);
     WaitForSingleObject (thread, INFINITE);
     CloseHandle (thread);
+
+    /* FIXME: with static compilation on Windows this test will fail because
+     * it is mixing up glib threads with Microsoft native thread API. See
+     * comment in gthread-win32.c for g_system_thread_exit() implementation.
+     * Fix is not straightforward, possible solution could be to use FLS
+     * functions (instead of TLS) as proposed in
+     * https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1655
+     */
   }
 #else
   {
diff --git a/gobject/gtype.c b/gobject/gtype.c
index 26ec30b7b..071429934 100644
--- a/gobject/gtype.c
+++ b/gobject/gtype.c
@@ -4521,7 +4521,23 @@ gobject_init (void)
   _g_signal_init ();
 }
 
-#if defined (G_OS_WIN32)
+#ifdef G_PLATFORM_WIN32
+
+void gobject_win32_init (void);
+
+void
+gobject_win32_init (void)
+{
+  /* May be called more than once in static compilation mode */
+  static gboolean win32_already_init = FALSE;
+  if (!win32_already_init)
+    {
+      win32_already_init = TRUE;
+      gobject_init ();
+    }
+}
+
+#ifndef GLIB_STATIC_COMPILATION
 
 BOOL WINAPI DllMain (HINSTANCE hinstDLL,
                      DWORD     fdwReason,
@@ -4535,7 +4551,7 @@ DllMain (HINSTANCE hinstDLL,
   switch (fdwReason)
     {
     case DLL_PROCESS_ATTACH:
-      gobject_init ();
+      gobject_win32_init ();
       break;
 
     default:
@@ -4546,21 +4562,55 @@ DllMain (HINSTANCE hinstDLL,
   return TRUE;
 }
 
-#elif defined (G_HAS_CONSTRUCTORS)
+#elif defined(G_HAS_CONSTRUCTORS) /* && G_PLATFORM_WIN32 && GLIB_STATIC_COMPILATION */
+extern void glib_win32_init (void);
+
 #ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
 #pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(gobject_init_ctor)
 #endif
+
 G_DEFINE_CONSTRUCTOR(gobject_init_ctor)
 
+static void
+gobject_init_ctor (void)
+{
+  /* When built dynamically, module initialization is done through DllMain
+   * function which is called when the dynamic library is loaded by the glib
+   * module. So, in dynamic configuration glib is always initialized BEFORE
+   * gobject.
+   *
+   * When built statically, initialization mechanism relies on hooking
+   * functions to the CRT section directly at compilation time. As we don't
+   * control how each compilation unit will be built and in which order, we
+   * obtain the same kind of issue as the "static initialization order fiasco".
+   * In this case, we must ensure explicitly that glib is always well
+   * initialized BEFORE gobject.
+   */
+  glib_win32_init ();
+  gobject_win32_init ();
+}
+
+#else /* G_PLATFORM_WIN32 && GLIB_STATIC_COMPILATION && !G_HAS_CONSTRUCTORS */
+# error Your platform/compiler is missing constructor support
+#endif /* GLIB_STATIC_COMPILATION */
+
+#elif defined(G_HAS_CONSTRUCTORS) /* && !G_PLATFORM_WIN32 */
+
+#ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
+#pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(gobject_init_ctor)
+#endif
+
+G_DEFINE_CONSTRUCTOR (gobject_init_ctor)
+
 static void
 gobject_init_ctor (void)
 {
   gobject_init ();
 }
 
-#else
-# error Your platform/compiler is missing constructor support
-#endif
+#else /* !G_PLATFORM_WIN32 && !G_HAS_CONSTRUCTORS */
+#error Your platform/compiler is missing constructor support
+#endif /* G_PLATFORM_WIN32 */
 
 /**
  * g_type_class_add_private:
diff --git a/meson.build b/meson.build
index 082ab630f..299f832f8 100644
--- a/meson.build
+++ b/meson.build
@@ -214,8 +214,10 @@ if get_option('default_library') != 'static'
 endif
 
 if get_option('default_library') == 'static'
-    glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
-    glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
+  glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
+  glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
+  glibconfig_conf.set('G_INTL_STATIC_COMPILATION', '1')
+  glibconfig_conf.set('FFI_STATIC_BUILD', '1')
 endif
 
 # Cygwin glib port maintainers made it clear
diff --git a/subprojects/zlib.wrap b/subprojects/zlib.wrap
index ff9ab6680..c49c1d90c 100644
--- a/subprojects/zlib.wrap
+++ b/subprojects/zlib.wrap
@@ -1,10 +1,11 @@
 [wrap-file]
 directory = zlib-1.2.11
-
 source_url = https://zlib.net/fossils/zlib-1.2.11.tar.gz
 source_filename = zlib-1.2.11.tar.gz
 source_hash = c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1
+patch_filename = zlib_1.2.11-6_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/zlib_1.2.11-6/get_patch
+patch_hash = f7c24c5698ce787294910ad431f94088102d35ddaf88542d04add1e54afa9212
 
-patch_url = https://github.com/mesonbuild/zlib/releases/download/1.2.11-3/zlib.zip
-patch_filename = zlib-1.2.11-3-wrap.zip
-patch_hash = f07dc491ab3d05daf00632a0591e2ae61b470615b5b73bcf9b3f061fff65cff0
+[provide]
+zlib = zlib_dep
diff --git a/tests/module-test.c b/tests/module-test.c
index 62473d29d..a74bc74d4 100644
--- a/tests/module-test.c
+++ b/tests/module-test.c
@@ -101,8 +101,12 @@ main (int    argc,
   if (!module_self)
     g_error ("error: %s", g_module_error ());
 
+    /* On Windows static compilation mode, glib API symbols are not
+     * exported dynamically by definition. */
+#if !defined(G_PLATFORM_WIN32) || !defined(GLIB_STATIC_COMPILATION)
   if (!g_module_symbol (module_self, "g_module_close", (gpointer *) &f_self))
     g_error ("error: %s", g_module_error ());
+#endif
 
   module_a = g_module_open_full (plugin_a, G_MODULE_BIND_LAZY, &error);
   g_assert_no_error (error);