Fix LTO build with meson 0.51

OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/libwacom?expand=0&rev=27

libwacom-meson-0.51-lto.patch

@@ -0,0 +1,24 @@
+Index: libwacom-1.1/meson.build
+===================================================================
+--- libwacom-1.1.orig/meson.build
++++ libwacom-1.1/meson.build
+@@ -533,19 +533,6 @@ if get_option('tests')
+ 	else
+ 		message('valgrind not found, disabling valgrind test suite')
+ 	endif
+-
+-	# because of the tricks we use in calling the function and exposing
+-	# it to begin with, LTO gets confused and this fails to link.
+-	# Let's just disable it here.
+-	if not get_option('b_lto')
+-		test_deprecated = executable('test-deprecated',
+-					     'test/test-deprecated.c',
+-					     dependencies: [dep_libwacom, dep_dl],
+-					     include_directories: [includes_src],
+-					     c_args: tests_cflags,
+-					     install: false)
+-		test('test-deprecated', test_deprecated, suite: ['all'])
+-	endif
+ endif
+ 
+ # This is a non-optional test

libwacom.changes

@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Nov 21 08:30:23 UTC 2019 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Add libwacom-meson-0.51-lto.patch: Completely strip the
+  test_deprecated linkingn from meson.build> 174.patch would only
+  properly work with meson 0.52+.
+
 -------------------------------------------------------------------
 Wed Nov 20 10:06:24 UTC 2019 - Dominique Leuenberger <dimstar@opensuse.org>
 

libwacom.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package libwacom
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LLC.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -33,6 +33,7 @@ Source2:        https://github.com/linuxwacom/libwacom/releases/download/%{name}
 Source3:        %{name}.keyring
 Source99:       baselibs.conf
 Patch0:         https://patch-diff.githubusercontent.com/raw/linuxwacom/libwacom/pull/174.patch
+Patch1:         libwacom-meson-0.51-lto.patch
 %if %{with meson}
 BuildRequires:  meson >= 0.47.0
 %endif
@@ -87,6 +88,7 @@ built-in on-screen tablet", "what is the size of this model", etc.
 %prep
 %setup -q
 %patch0 -p1
+%patch1 -p1
 
 %build
 %if %{with meson}