$NetBSD: patch-meson.build,v 1.1 2023/07/01 22:14:59 wiz Exp $

Fix build with exiv2 0.28.0.
https://gitlab.gnome.org/GNOME/gexiv2/-/commit/06adc8fb70cb8c77c0cd364195d8251811106ef8

--- meson.build.orig	2023-05-06 08:50:03.000000000 +0000
+++ meson.build
@@ -32,6 +32,58 @@ bmff_test = '''#include <exiv2/exiv2.hpp
 
 bmff_available = cpp.compiles(bmff_test, name : 'BMFF support in exiv2', dependencies : [exiv2])
 
+private_pdata_test = '''#include <exiv2/exiv2.hpp>
+#include <iostream>
+int main(void) {
+  Exiv2::DataBuf buf;
+  std::cout << buf.c_data() << std::endl;
+
+  return 0;
+}'''
+private_pdata = cpp.compiles(private_pdata_test, name : 'DataBuf is sealead in exiv2', dependencies : [exiv2])
+
+has_any_error_test = '''#include <exiv2/exiv2.hpp>
+#include <iostream>
+int main(void) {
+  Exiv2::AnyError *e;
+
+  return 0;
+}'''
+has_any_error = cpp.compiles(has_any_error_test, name : 'AnyError exists in exiv2', dependencies : [exiv2])
+
+xmpdatum_has_to_long_test = '''#include <exiv2/exiv2.hpp>
+#include <iostream>
+int main(void) {
+  Exiv2::XmpKey k{"Xmp.audio.Compressor"};
+  Exiv2::Xmpdatum d{k, nullptr};
+  d.toLong();
+
+  return 0;
+}'''
+xmpdatum_has_to_long = cpp.compiles(xmpdatum_has_to_long_test, name: 'Xmpdatum has toLong() in exiv2', dependencies : [exiv2])
+
+exifdatum_has_to_long_test = '''#include <exiv2/exiv2.hpp>
+#include <iostream>
+int main(void) {
+  Exiv2::ExifKey k{"Exif.Image.OECF"};
+  Exiv2::Exifdatum d{k, nullptr};
+  d.toLong();
+
+  return 0;
+}'''
+exifdatum_has_to_long = cpp.compiles(exifdatum_has_to_long_test, name: 'Exifdatum has toLong() in exiv2', dependencies : [exiv2])
+
+build_config = configuration_data ()
+build_config.set('EXIV2_DATABUF_HAS_PRIVATE_PDATA', private_pdata)
+build_config.set('EXIV2_HAS_ANY_ERROR', has_any_error)
+build_config.set('EXIV2_XMPDATUM_HAS_TO_LONG', xmpdatum_has_to_long)
+build_config.set('EXIV2_EXIFDATUM_HAS_TO_LONG', exifdatum_has_to_long)
+config_h = configure_file(
+  output: 'config.h',
+  configuration: build_config
+)
+
+
 find_program('g-ir-scanner', required: get_option('introspection'))
 
 if get_option('vapi')