From 2f55f848197ef974a5d99e2107130a31e8066194 Mon Sep 17 00:00:00 2001
From: Colin Clark <colin.clark@cclark.uk>
Date: Sun, 7 May 2023 11:51:14 +0100
Subject: [PATCH] Fix #1080: Cannot build with meson 0.56.2

https://github.com/BestImageViewer/geeqie/issues/1080
---
 doc/meson.build |  4 ++--
 meson.build     | 20 ++++++++++++--------
 po/meson.build  |  2 +-
 src/meson.build |  2 +-
 4 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/doc/meson.build b/doc/meson.build
index fe1c5863..11e7fa35 100644
--- a/doc/meson.build
+++ b/doc/meson.build
@@ -39,8 +39,8 @@ if running_from_git
     if not option.disabled()
         doxygen = find_program('doxygen', required : false)
         if doxygen.found()
-            srcdir = join_paths(meson.source_root())
-            destdir = join_paths(meson.build_root(), 'doc', 'html', 'lua-api')
+            srcdir = join_paths(meson.project_source_root())
+            destdir = join_paths(meson.project_build_root(), 'doc', 'html', 'lua-api')
             run_command(find_program('create-doxygen-lua-api.sh'), srcdir, destdir, check : false)
             summary({'lua-api' : ['lua-api help file created:', true]}, section : 'Documentation', bool_yn : true)
         else
diff --git a/meson.build b/meson.build
index 4fdb9520..b1642f91 100644
--- a/meson.build
+++ b/meson.build
@@ -44,7 +44,7 @@ project(
     'cpp',
     version : run_command('./version.sh', check : true).stdout().strip(),
     license : ['GPL-2.0-or-later'],
-    meson_version : '>=0.53.0',
+    meson_version : '>=0.56.2',
     default_options : ['warning_level=3', 'buildtype=debugoptimized', 'cpp_link_args=-rdynamic']
 )
 
@@ -140,8 +140,8 @@ htmldir = join_paths(prefix, gq_htmldir)
 icondir = join_paths(datadir, 'pixmaps')
 mandir1 = join_paths(datadir, 'man', 'man1')
 
-podir = join_paths(meson.source_root(), 'po')
-scriptsdir = join_paths(meson.source_root(), 'scripts')
+podir = join_paths(meson.project_source_root(), 'po')
+scriptsdir = join_paths(meson.project_source_root(), 'scripts')
 
 summary({'gq_appdir': gq_appdir,
         'gq_bindir': gq_helpdir,
@@ -536,13 +536,17 @@ endif
 
 # libpixbufloader-webp is not loaded as part of libgdk-pixbuf. Just issue
 # a warning if not installed
-libwebp_dir = dependency('gdk-pixbuf-2.0', method: 'pkg-config').get_variable('gdk_pixbuf_moduledir')
-libwebp_dep = cc.find_library('libpixbufloader-webp', dirs : libwebp_dir, required : false)
+libwebp_dir = dependency('gdk-pixbuf-2.0', method: 'pkg-config').get_variable(pkgconfig: 'gdk_pixbuf_moduledir', internal: 'gdk_pixbuf_moduledir')
 
-if libwebp_dep.found()
-	summary({'webp' : ['webp files supported:', true]}, section : 'Configuration', bool_yn : true)
+if libwebp_dir.contains('loaders')
+    libwebp_dep = cc.find_library('pixbufloader-webp', dirs : libwebp_dir, required : false)
+    if libwebp_dep.found()
+        summary({'webp' : ['webp files supported:', true]}, section : 'Configuration', bool_yn : true)
+    else
+        summary({'webp' : ['webp-pixbuf-loader not installed - webp files supported:', false]}, section : 'Configuration', bool_yn : true)
+    endif
 else
-	summary({'webp' : ['webp-pixbuf-loader not installed - webp files supported:', false]}, section : 'Configuration', bool_yn : true)
+    summary({'webp' : ['webp-pixbuf-loader not installed - webp files supported:', false]}, section : 'Configuration', bool_yn : true)
 endif
 
 # Check for nl_langinfo and _NL_TIME_FIRST_WEEKDAY
diff --git a/po/meson.build b/po/meson.build
index 0e180e77..f6801e42 100644
--- a/po/meson.build
+++ b/po/meson.build
@@ -59,7 +59,7 @@ po_sources = files([
 
 po_source_list = ''
 foreach name : po_sources
-  po_source_list = po_source_list + meson.source_root() + '/' + '@0@'.format(name) + '\n'
+  po_source_list = po_source_list + meson.project_source_root() + '/' + '@0@'.format(name) + '\n'
 endforeach
 
 translators_sh = join_paths(scriptsdir, 'translators.sh')
diff --git a/src/meson.build b/src/meson.build
index e381ceba..4b6a9a9b 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -257,7 +257,7 @@ ui_icons_h = custom_target('ui_icons', output : 'ui_icons.h',
 project_sources += ui_icons_h
 
 if conf_data.has('HAVE_LCMS')
-    xxd_sh = find_program('generate-ClayRGB1998-icc-h.sh', dirs : join_paths(meson.source_root(), 'scripts'))
+    xxd_sh = find_program('generate-ClayRGB1998-icc-h.sh', dirs : join_paths(meson.project_source_root(), 'scripts'))
 
     ClayRGB1998_icc_h = custom_target('ClayRGB1998',
                         input: 'ClayRGB1998.icc',
-- 
2.20.1