diff --git a/meson.build b/meson.build
index b9a83dfc74..aea419a831 100644
--- a/meson.build
+++ b/meson.build
@@ -948,7 +948,9 @@ have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
 ################
 
 # When bumping glib minimum version, please check also whether to increase
-# the _WIN32_WINNT setting in osdep.h according to the value from glib
+# the _WIN32_WINNT setting in osdep.h according to the value from glib.
+# You should also check if any of the glib.version() checks
+# below can also be removed.
 glib_req_ver = '>=2.66.0'
 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
                     method: 'pkg-config')
@@ -998,6 +1000,9 @@ glib = declare_dependency(dependencies: [glib_pc, gmodule],
 # TODO: remove this check and the corresponding workaround (qtree) when
 # the minimum supported glib is >= 2.75.3
 glib_has_gslice = glib.version().version_compare('<2.75.3')
+# Check whether glib has the aligned_alloc family of functions.
+# <https://docs.gtk.org/glib/func.aligned_alloc.html>
+glib_has_aligned_alloc = glib.version().version_compare('>=2.72.0')
 
 # override glib dep to include the above refinements
 meson.override_dependency('glib-2.0', glib)
@@ -2529,6 +2534,7 @@ config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
+config_host_data.set('HAVE_GLIB_WITH_ALIGNED_ALLOC', glib_has_aligned_alloc)
 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))