From 678a4903cd9fd61c0d8f813b4a695183dde2c763 Mon Sep 17 00:00:00 2001
From: "Mark A. Tsuchida" <matsuchida@wisc.edu>
Date: Mon, 22 Jan 2024 17:41:28 -0600
Subject: [PATCH] MMDevice/MMCore: Make Meson build tests optional

---
 MMCore/meson.build            | 16 +++++++++++++++-
 MMCore/meson_options.txt      |  3 +++
 MMCore/unittest/meson.build   |  4 +++-
 MMDevice/meson_options.txt    |  3 +++
 MMDevice/unittest/meson.build |  4 +++-
 5 files changed, 27 insertions(+), 3 deletions(-)
 create mode 100644 MMCore/meson_options.txt
 create mode 100644 MMDevice/meson_options.txt

diff --git a/MMCore/meson.build b/MMCore/meson.build
index fd9fbcecc..0373d739a 100644
--- a/MMCore/meson.build
+++ b/MMCore/meson.build
@@ -19,7 +19,21 @@ endif
 
 # MMDevice must be copied into subprojects/ for this experimental build to work
 # (unless MMCore is itself being used as a subproject).
-mmdevice_proj = subproject('MMDevice')
+if get_option('tests').enabled()
+    tests_option = 'enabled'
+elif get_option('tests').disabled()
+    tests_option = 'disabled'
+else
+    tests_option = 'auto'
+endif
+mmdevice_proj = subproject(
+    'MMDevice',
+    # Propagate value of 'tests' option ('yield: true' in MMDeivce's 'tests'
+    # option did not seem to work; Meson 1.3.1).
+    default_options: {
+        'tests': tests_option,
+    },
+)
 mmdevice_dep = mmdevice_proj.get_variable('mmdevice')
 
 mmcore_sources = files(
diff --git a/MMCore/meson_options.txt b/MMCore/meson_options.txt
new file mode 100644
index 000000000..e9af6fe9a
--- /dev/null
+++ b/MMCore/meson_options.txt
@@ -0,0 +1,3 @@
+option('tests', type: 'feature', value: 'enabled',
+    description: 'Build unit tests',
+)
diff --git a/MMCore/unittest/meson.build b/MMCore/unittest/meson.build
index 416d51109..67feffc25 100644
--- a/MMCore/unittest/meson.build
+++ b/MMCore/unittest/meson.build
@@ -5,6 +5,8 @@ catch2_with_main_dep = dependency(
     'catch2-with-main',
     allow_fallback: true,
     include_type: 'system',
+    required: get_option('tests'),
+    disabler: true,
 )
 
 mmcore_test_sources = files(
@@ -28,4 +30,4 @@ mmcore_test_exe = executable(
     ],
 )
 
-test('MMCore tests', mmcore_test_exe)
\ No newline at end of file
+test('MMCore tests', mmcore_test_exe)
diff --git a/MMDevice/meson_options.txt b/MMDevice/meson_options.txt
new file mode 100644
index 000000000..4f5d777ee
--- /dev/null
+++ b/MMDevice/meson_options.txt
@@ -0,0 +1,3 @@
+option('tests', type: 'feature', value: 'enabled', yield: true,
+    description: 'Build unit tests',
+)
diff --git a/MMDevice/unittest/meson.build b/MMDevice/unittest/meson.build
index 7c4f77276..dbca08cff 100644
--- a/MMDevice/unittest/meson.build
+++ b/MMDevice/unittest/meson.build
@@ -5,6 +5,8 @@ catch2_with_main_dep = dependency(
     'catch2-with-main',
     allow_fallback: true,
     include_type: 'system',
+    required: get_option('tests'),
+    disabler: true,
 )
 
 mmdevice_test_sources = files(
@@ -23,4 +25,4 @@ mmdevice_test_exe = executable(
 test(
     'MMDevice unit tests',
     mmdevice_test_exe,
-)
\ No newline at end of file
+)