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From 32ee94c8a0079ee83a1b7d3910b1bbc6ccd8c747 Mon Sep 17 00:00:00 2001
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From: Benjamin Berg <bberg@redhat.com>
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Date: Mon, 14 Dec 2020 11:30:45 +0100
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Subject: [PATCH] Add compatibility defines to allow compiling with older glib
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We need at least the GFlagsClass autoptr, but just pull in most of the
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definitions from libfprint.
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---
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src/fprintd.h | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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diff --git a/src/fprintd.h b/src/fprintd.h
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index 4075bc2..63a742e 100644
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--- a/src/fprintd.h
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+++ b/src/fprintd.h
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@@ -91,3 +91,18 @@ FprintDevice *fprint_device_new (FpDevice *dev);
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guint32 _fprint_device_get_id (FprintDevice *rdev);
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/* Print */
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/* TODO */
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+
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+
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+/* Some compatibility definitions for older GLib. Copied from from libfprint. */
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+#if !GLIB_CHECK_VERSION (2, 57, 0)
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+G_DEFINE_AUTOPTR_CLEANUP_FUNC (GTypeClass, g_type_class_unref);
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+G_DEFINE_AUTOPTR_CLEANUP_FUNC (GEnumClass, g_type_class_unref);
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+G_DEFINE_AUTOPTR_CLEANUP_FUNC (GFlagsClass, g_type_class_unref);
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+G_DEFINE_AUTOPTR_CLEANUP_FUNC (GParamSpec, g_param_spec_unref);
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+#else
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+/* Re-define G_SOURCE_FUNC as we are technically not allowed to use it with
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+ * the version we depend on currently. */
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+#undef G_SOURCE_FUNC
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+#endif
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+
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+#define G_SOURCE_FUNC(f) ((GSourceFunc) (void (*)(void))(f))
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--
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2.26.2
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