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meson: add deprecation warnings on GLib and GTK/GDK API usages.

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I discover GLIB_VERSION_MIN_REQUIRED and GLIB_VERSION_MAX_ALLOWED. The
former will make so that we won't have deprecation warnings anymore if
ever we use a function which has been deprecated recently (as long as it
was not deprecated at the minimum required version). The latter will
make so that we get deprecation warnings for any function added after
the minimum required version.

Note that ideally both should be at the same version, but since we have
a bunch of GLIB_CHECK_VERSION() protected conditional code, we would get
compilation warnings even on correctly protected code. So just keep the
small discrepancy until we can finally bump our minimum requirement.

Also add the equivalent macros for GTK/GDK.
This commit is contained in:
Jehan 2025-09-11 16:17:31 +02:00
parent 7c947ef1af
commit 9819457f31
1 changed files with 18 additions and 0 deletions
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meson.build
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@ -441,6 +441,18 @@ gio_specific = dependency(gio_specific_name)
glib_minver = '2.70.0'
glib = dependency('glib-2.0', version: '>='+glib_minver)
glib_version_split = glib_minver.split('.')
glib_major = glib_version_split[0].to_int()
glib_minor = glib_version_split[1].to_int()
glib_min_macro = 'GLIB_VERSION_@0@_@1@'.format(glib_major, glib_minor)
add_project_arguments('-DGLIB_VERSION_MIN_REQUIRED=' + glib_min_macro, language: 'c')
# XXX: ideally the MIN_REQUIRED and MAX_ALLOWED should be the same
# version but we have a bunch of GLIB_CHECK_VERSION() conditional code
# (higher being 2.76.0). So we use this max version to avoid useless
# warnings. We should clean up all conditional code once we bump the
# minimum requirement.
add_project_arguments('-DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_76', language: 'c')
gi = dependency('gobject-introspection-1.0')
gobject = dependency('gobject-2.0', version: '>='+glib_minver)
@ -448,6 +460,12 @@ gmodule = dependency('gmodule-no-export-2.0')
gtk3_minver = '3.24.0'
gtk3 = dependency('gtk+-3.0', version: '>='+gtk3_minver)
gtk_version_split = gtk3_minver.split('.')
gtk_major = gtk_version_split[0].to_int()
gtk_minor = gtk_version_split[1].to_int()
gtk_min_macro = 'GDK_VERSION_@0@_@1@'.format(gtk_major, gtk_minor)
add_project_arguments('-DGDK_VERSION_MIN_REQUIRED=' + gtk_min_macro, language: 'c')
add_project_arguments('-DGDK_VERSION_MAX_ALLOWED=' + gtk_min_macro, language: 'c')
harfbuzz_minver = '2.8.2'
harfbuzz = dependency('harfbuzz', version: '>='+harfbuzz_minver)