Add test case to verify identity cross builds

A build with a cross file should always be identified as a cross build, even if
the host and build machine are identical.  This was the case in 0.50, regressed
in 0.51, and is fixed again in 0.52, so add a test case to ensure it doesn't
regress again.

3 files changed, 22 insertions, 0 deletions

diff --git a/test cases/unit/71 cross/crossfile.in b/test cases/unit/71 cross/crossfile.in
new file mode 100644
index 0000000..678e8d3
--- /dev/null
+++ b/test cases/unit/71 cross/crossfile.in
@@ -0,0 +1,5 @@
+[host_machine]
+system = '@system@'
+cpu_family = '@cpu_family@'
+cpu = '@cpu@'
+endian = '@endian@'
diff --git a/test cases/unit/71 cross/meson.build b/test cases/unit/71 cross/meson.build
new file mode 100644
index 0000000..6c85cf7
--- /dev/null
+++ b/test cases/unit/71 cross/meson.build
@@ -0,0 +1,16 @@
+project('crosstest')
+
+if get_option('generate')
+    conf_data = configuration_data()
+    conf_data.set('system', build_machine.system())
+    conf_data.set('cpu', build_machine.cpu())
+    conf_data.set('cpu_family', build_machine.cpu_family())
+    conf_data.set('endian', build_machine.endian())
+
+    configure_file(input: 'crossfile.in',
+                output: 'crossfile',
+                configuration: conf_data)
+    message('Written cross file')
+else               
+    assert(meson.is_cross_build(), 'not setup as cross build')
+endif
diff --git a/test cases/unit/71 cross/meson_options.txt b/test cases/unit/71 cross/meson_options.txt
new file mode 100644
index 0000000..5896d63
--- /dev/null
+++ b/test cases/unit/71 cross/meson_options.txt
@@ -0,0 +1 @@
+option('generate', type : 'boolean', value : false)