build: Add -UG_DISABLE_ASSERT when building tests

In order to allow GLib itself to be built with G_DISABLE_ASSERT defined,
we need to explicitly undefine it when building the tests, otherwise
g_test_init() turns into an abort.

Signed-off-by: Philip Withnall <withnall@endlessm.com>

Fixes: #1708

gio/tests/meson.build

@@ -10,6 +10,7 @@ test_c_args = [
   '-DTEST_SERVICES="@0@/gio/tests/services"'.format(meson.build_root()),
   '-DGLIB_MKENUMS="@0@"'.format(glib_mkenums),
   '-DGLIB_COMPILE_SCHEMAS="@0@"'.format(glib_compile_schemas.full_path()),
+  '-UG_DISABLE_ASSERT',
 ]
 
 if host_machine.system() == 'windows'

glib/meson.build

@@ -327,6 +327,7 @@ if host_system == 'windows'
 else
   gtester = executable('gtester', 'gtester.c',
     install : true,
+    c_args : ['-UG_DISABLE_ASSERT'],
     include_directories : configinc,
     dependencies : [libglib_dep])
 endif

glib/tests/meson.build

@@ -176,7 +176,7 @@ test_env.set('MALLOC_CHECK_', '2')
 test_env.set('MALLOC_PERTURB_', '@0@'.format(random_number % 256))
 
 test_deps = [libm, thread_dep, libglib_dep]
-test_cargs = ['-DG_LOG_DOMAIN="GLib"']
+test_cargs = ['-DG_LOG_DOMAIN="GLib"', '-UG_DISABLE_ASSERT']
 
 foreach test_name, extra_args : glib_tests
   source = extra_args.get('source', test_name + '.c')

gobject/tests/meson.build

@@ -68,7 +68,7 @@ test_env.set('MALLOC_CHECK_', '2')
 test_env.set('MALLOC_PERTURB_', '@0@'.format(random_number % 256))
 
 test_deps = [libm, thread_dep, libglib_dep, libgobject_dep]
-test_cargs = ['-DG_LOG_DOMAIN="GLib-GObject"']
+test_cargs = ['-DG_LOG_DOMAIN="GLib-GObject"', '-UG_DISABLE_ASSERT']
 
 foreach test_name, extra_args : gobject_tests
   source = extra_args.get('source', test_name + '.c')

tests/meson.build

@@ -10,7 +10,7 @@ test_env.set('G_DEBUG', 'gc-friendly')
 test_env.set('MALLOC_CHECK_', '2')
 test_env.set('MALLOC_PERTURB_', '@0@'.format(random_number % 256))
 
-test_cargs = ['-DG_LOG_DOMAIN="GLib"']
+test_cargs = ['-DG_LOG_DOMAIN="GLib"', '-UG_DISABLE_ASSERT']
 
 subdir('gobject')
 subdir('refcount')