nixpkgs/pkgs/development/libraries/libgdata/installed-tests-path.patch

diff --git a/gdata/tests/meson.build b/gdata/tests/meson.build
index 05184deb..3a9392d4 100644
--- a/gdata/tests/meson.build
+++ b/gdata/tests/meson.build
@@ -1,5 +1,12 @@
-tests_execdir = gdata_libexecdir / 'installed-tests' / gdata_name
-tests_metadir = gdata_datadir / 'installed-tests' / gdata_name
+tests_bindir = get_option('installed_test_bindir') / 'installed-tests' / gdata_name
+if tests_bindir == ''
+    test_bindir = gdata_libexecdir / 'installed-tests' / gdata_name
+endif
+
+tests_datadir = get_option('installed_test_datadir') / 'installed-tests' / gdata_name
+if tests_datadir == ''
+    tests_datadir = gdata_datadir / 'installed-tests' / gdata_name
+endif
 
 tests_sources = files(
   'common.c',
@@ -49,7 +56,7 @@ foreach test_name, extra_args: tests
     dependencies: common_deps + extra_args.get('dependencies', []),
     sources: tests_sources,
     install: install_tests and not should_fail,
-    install_dir: tests_execdir,
+    install_dir: tests_bindir,
   )
 
   test(
@@ -65,7 +72,7 @@ if install_tests
     should_fail = extra_args.get('should_fail', false)
     tests_conf = {
       'TEST_TYPE': 'session',
-      'TEST_ABS_PATH': gdata_prefix / tests_execdir / test_name,
+      'TEST_ABS_PATH': tests_bindir / test_name,
     }
 
     configure_file (
@@ -73,13 +80,13 @@ if install_tests
       output: test_name + '.test',
       configuration: tests_conf,
       install: not should_fail,
-      install_dir: tests_metadir,
+      install_dir: tests_datadir,
     )
   endforeach
 
   install_subdir(
     'traces',
-    install_dir: tests_execdir,
+    install_dir: tests_bindir,
   )
 
   test_data = [
@@ -98,6 +105,6 @@ if install_tests
 
   install_data(
     test_data,
-    install_dir: tests_execdir,
+    install_dir: tests_bindir,
   )
 endif
diff --git a/meson.build b/meson.build
index 50441abb..5fc773b1 100644
--- a/meson.build
+++ b/meson.build
@@ -20,9 +20,9 @@ gdata_api_version_minor = 0
 
 # Define the install directories
 gdata_prefix = get_option('prefix')
-gdata_datadir = get_option('datadir')
-gdata_libexecdir = get_option('libexecdir')
-gdata_includedir = get_option('includedir')
+gdata_datadir = gdata_prefix / get_option('datadir')
+gdata_libexecdir = gdata_prefix / get_option('libexecdir')
+gdata_includedir = gdata_prefix / get_option('includedir')
 
 gdata_include_subdir = gdata_name / 'gdata'
 
diff --git a/meson_options.txt b/meson_options.txt
index 25cc6b55..6fc2cfa3 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -43,3 +43,11 @@ option('vapi',
   type: 'boolean',
   value: true,
   description: 'Enable creation of vapi files')
+
+option('installed_test_datadir', type: 'string',
+  value: '',
+  description: 'Installation directory for data files in tests')
+
+option('installed_test_bindir', type: 'string',
+  value: '',
+  description: 'Installation directory for binary files in tests')