build: introduce Meson build file rules

The Meson build system used by many other virt projects (QEMU, libvirt
and others) is easier to understand & maintain rules for than cmake,
guiding towards best practice.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

1 files changed, 67 insertions, 0 deletions

diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000..726d185
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,67 @@
+project(
+    'libvfio-user',
+    'c',
+    version: '0.0.1',
+    license: 'BSD-3-Clause',
+    meson_version: '>= 0.53.0',
+    default_options: [
+        'buildtype=debugoptimized',
+        'c_std=gnu99',
+        'warning_level=2',
+    ],
+)
+
+opt_rpath = get_option('rpath')
+opt_tran_pipe = get_option('tran-pipe')
+opt_debug_logs = get_option('debug-logs')
+opt_sanitizers = get_option('b_sanitize')
+opt_debug = get_option('debug')
+
+cc = meson.get_compiler('c')
+
+prefix = get_option('prefix')
+libdir = prefix / get_option('libdir')
+
+if prefix == '/usr' and not opt_rpath.enabled()
+    rpathdir = ''
+else
+    rpathdir = libdir
+endif
+
+thread_dep = dependency('threads')
+dl_dep = cc.find_library('dl', required: true)
+
+json_c_version = '0.11'
+json_c_dep = dependency('json-c', version: '>=' + json_c_version)
+
+cmocka_version = ''
+cmocka_dep = dependency('cmocka', version: '>=' + cmocka_version)
+
+
+pytest = find_program('pytest-3', required: false)
+flake8 = find_program('flake8', required: false)
+rstlint = find_program('restructuredtext-lint', required: false)
+valgrind = find_program('valgrind', required: false)
+
+common_cflags = [
+    '-D_GNU_SOURCE',
+]
+
+if opt_debug_logs.enabled() or (not opt_debug_logs.disabled() and opt_debug)
+    common_cflags += ['-DDEBUG']
+endif
+
+if get_option('warning_level') == '2'
+    # -Wall is set for 'warning_level>=1'
+    # -Wextra is set for 'warning_level>=2'
+    common_cflags += cc.get_supported_arguments([
+        '-Wno-missing-field-initializers',
+        '-Wmissing-declarations',
+    ])
+endif
+
+subdir('include')
+subdir('lib')
+subdir('samples')
+subdir('test')
+subdir('docs')