Add an option to disable Flint version check

Author: oscarbenjamin

meson.build

@@ -1,13 +1,32 @@
 project('python-flint', 'cython', 'c')
 
+#
+# For the source release, we should by default fail for newer versions of Flint
+# that are untested with a nice error message:
+#
+#   ../meson.build:10:12:
+#   ERROR: Dependency lookup for flint with method 'pkgconfig' failed:
+#   Invalid version, need 'flint' ['<3.2'] found '3.2.0'.
+#
+# We need an option to disable this though so that we can test newer versions
+# of Flint. Also good to have an escape hatch for users since we don't know
+# that future versions of Flint will not work.
+#
+if get_option('flint_version_check')
+  flint_version_required = ['>=3.0', '<3.2']
+else
+  # We do know that Flint < 3.0 will not work so no point allowing it.
+  flint_version_required = ['>=3.0']
+endif
+
 py = import('python').find_installation(pure: false)
 dep_py = py.dependency()
 
 cc = meson.get_compiler('c')
 
 gmp_dep = dependency('gmp')
 mpfr_dep = dependency('mpfr')
-flint_dep = dependency('flint', version: ['>=3.0', '<3.2'])
+flint_dep = dependency('flint', version: flint_version_required)
 
 add_project_arguments(
     '-X', 'embedsignature=True',

meson.options

@@ -1,2 +1,3 @@
 option('coverage', type : 'boolean', value : false, description : 'enable coverage build')
 option('add_flint_rpath', type : 'boolean', value : false)
+option('flint_version_check', type: 'boolean', value : true)