meson: fix static build under Windows

Properly define GLIB/GOBJECT_STATIC_COMPILATION when static build is enabled.
Use library() instead of shared_library() to allow selecting static builds.

https://bugzilla.gnome.org/show_bug.cgi?id=784995

gio/meson.build

@@ -724,7 +724,7 @@ else
   gio_dtrace_hdr = []
 endif
 
-libgio = shared_library('gio-2.0',
+libgio = library('gio-2.0',
   gioenumtypes_h, gioenumtypes_c, gnetworking_h, gio_sources,
   gio_dtrace_hdr, gio_dtrace_obj,
   version : library_version,

gio/tests/gdbus-object-manager-example/meson.build

@@ -14,7 +14,7 @@ gdbus_example_objectmanager_generated = custom_target('gdbus-example-objectmanag
              '--generate-docbook', 'gdbus-example-objectmanager-generated',
              '@INPUT@'])
 
-libgdbus_example_objectmanager = shared_library('libgdbus-example-objectmanager',
+libgdbus_example_objectmanager = library('libgdbus-example-objectmanager',
     gdbus_example_objectmanager_generated,
     c_args : ['-DHAVE_CONFIG_H=1'] + gio_c_args,
     dependencies : [libglib_dep, libgmodule_dep, libgobject_dep, libgio_dep],

gio/tests/modules/meson.build

@@ -1,10 +1,10 @@
-libtestmodulea = shared_library('testmodulea', 'test-module-a.c',
+libtestmodulea = library('testmodulea', 'test-module-a.c',
   install : false,
   dependencies : [libglib_dep, libgobject_dep, libgmodule_dep, libgio_dep],
   c_args : [ ]
 )
 
-libtestmoduleb = shared_library('testmoduleb', 'test-module-b.c',
+libtestmoduleb = library('testmoduleb', 'test-module-b.c',
   install : false,
   dependencies : [libglib_dep, libgobject_dep, libgmodule_dep, libgio_dep],
   c_args : [ ]

glib/glibconfig.h.in

@@ -18,6 +18,9 @@
  */
 #mesondefine GLIB_USING_SYSTEM_PRINTF
 
+#mesondefine GLIB_STATIC_COMPILATION
+#mesondefine GOBJECT_STATIC_COMPILATION
+
 G_BEGIN_DECLS
 
 #define G_MINFLOAT	FLT_MIN
@@ -115,7 +118,6 @@ typedef unsigned @glib_intptr_type_define@ guintptr;
 #define GLIB_MICRO_VERSION @GLIB_MICRO_VERSION@
 
 @glib_os@
-@glib_static_compilation@
 
 @glib_vacopy@
 

glib/meson.build

@@ -227,7 +227,7 @@ if use_pcre_static_flag
   pcre_static_args = ['-DPCRE_STATIC']
 endif
 
-libglib = shared_library('glib-2.0',
+libglib = library('glib-2.0',
   glib_dtrace_obj, glib_dtrace_hdr,
   sources : [deprecated_sources, glib_sources],
   version : library_version,

gmodule/meson.build

@@ -95,7 +95,7 @@ if host_system == 'windows'
   gmodule_sources += [gmodule_win_res]
 endif
 
-libgmodule = shared_library('gmodule-2.0',
+libgmodule = library('gmodule-2.0',
   sources : gmodule_sources,
   version : library_version,
   soversion : soversion,

gobject/meson.build

@@ -61,7 +61,7 @@ else
   gobject_dtrace_hdr = []
 endif
 
-libgobject = shared_library('gobject-2.0',
+libgobject = library('gobject-2.0',
   gobject_dtrace_obj, gobject_dtrace_hdr,
   sources : gobject_sources,
   version : library_version,

gthread/meson.build

@@ -12,7 +12,7 @@ if host_system == 'windows'
   gthread_sources += [gthread_win_res]
 endif
 
-libgthread = shared_library('gthread-2.0',
+libgthread = library('gthread-2.0',
   sources : gthread_sources,
   version : library_version,
   soversion : soversion,

meson.build

@@ -123,6 +123,11 @@ if get_option('default_library') != 'static'
   endif
 endif
 
+if host_system == 'windows' and get_option('default_library') == 'static'
+    glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
+    glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
+endif
+
 # FIXME: what about Cygwin (G_WITH_CYGWIN)
 if host_system == 'windows'
   glib_os = '''#define G_OS_WIN32