Add initial meson build system

Depends on
  * mesonbuild/meson#12363
  * mesonbuild/meson#12936

meson.build

@@ -0,0 +1,48 @@
+project('mandelbrot', 'rust',
+  version : '0.1.0',
+  meson_version : '>= 1.0.0',
+  default_options : ['buildtype=debugoptimized',
+                     'rust_std=2018',
+                     'futures-core-0.3-rs:feature-default=true',
+                     'futures-task-0.3-rs:feature-std=true',
+                     'futures-util-0.3-rs:feature-default=true',
+                     'proc-macro2-1-rs:feature-default=true',
+                     'proc-macro2-1-rs:feature-proc-macro=true',
+                     'syn-1-rs:feature-default=true',
+                     'syn-1-rs:feature-full=true',
+                     'crossbeam-utils-0.8-rs:feature-default=true',
+                     'smallvec-1-rs:feature-default=true',
+                     'smallvec-1-rs:feature-write=true',
+                     'glib-sys-0.19-rs:feature-v2_66=true',
+                     'gobject-sys-0.19-rs:feature-v2_66=true',
+                     'gio-sys-0.19-rs:feature-v2_66=true',
+                     'glib-0.19-rs:feature-v2_66=true',
+                     'gio-0.19-rs:feature-v2_66=true',
+                    ]
+)
+
+rustc = meson.get_compiler('rust')
+
+add_global_arguments(
+  '-C', 'embed-bitcode=no',
+  language: 'rust'
+)
+
+num_complex = subproject('num-complex-0.4-rs')
+num_complex_dep = num_complex.get_variable('dep')
+rayon = subproject('rayon-1-rs')
+rayon_dep = rayon.get_variable('dep')
+once_cell = subproject('once_cell-1-rs')
+once_cell_dep = once_cell.get_variable('dep')
+async_channel = subproject('async-channel-2-rs')
+async_channel_dep = async_channel.get_variable('dep')
+gtk = subproject('gtk4-0.8-rs')
+gtk_dep = gtk.get_variable('dep')
+
+executable('mandelbrot', 'src/main.rs',
+  rust_dependency_map : {
+    'gtk4' : 'gtk',
+  },
+  dependencies : [gtk_dep, num_complex_dep, rayon_dep, once_cell_dep, async_channel_dep],
+  install : true,
+)

subprojects/async-channel-2-rs.wrap

@@ -0,0 +1,6 @@
+[wrap-file]
+directory = async-channel-2.2.0
+source_url = https://crates.io/api/v1/crates/async-channel/2.2.0/download
+source_filename = async-channel-2.2.0.tar.gz
+source_hash = f28243a43d821d11341ab73c80bed182dc015c514b951616cf79bd4af39af0c3
+method = cargo

subprojects/gtk4-0.8-rs.wrap

@@ -0,0 +1,6 @@
+[wrap-file]
+directory = gtk4-0.8.0
+source_url = https://crates.io/api/v1/crates/gtk4/0.8.0/download
+source_filename = gtk4-0.8.0.tar.gz
+source_hash = 7d26ffa3ec6316ccaa1df62d3e7f5bae1637c0acbb43f250fabef38319f73c64
+method = cargo

subprojects/num-complex-0.4-rs.wrap

@@ -0,0 +1,6 @@
+[wrap-file]
+directory = num-complex-0.4.5
+source_url = https://crates.io/api/v1/crates/num-complex/0.4.5/download
+source_filename = num-complex-0.4.5.tar.gz
+source_hash = 23c6602fda94a57c990fe0df199a035d83576b496aa29f4e634a8ac6004e68a6
+method = cargo

subprojects/once_cell-1-rs.wrap

@@ -0,0 +1,6 @@
+[wrap-file]
+directory = once_cell-1.19.0
+source_url = https://crates.io/api/v1/crates/once_cell/1.19.0/download
+source_filename = once_cell-1.19.0.tar.gz
+source_hash = 3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92
+method = cargo

subprojects/packagefiles/proc-macro-error-1-rs/meson/meson.build

@@ -0,0 +1,2 @@
+extra_args += '--cfg'
+extra_args += 'use_fallback'

subprojects/packagefiles/proc-macro2-1-rs/meson/meson.build

@@ -0,0 +1,2 @@
+extra_args += '--cfg'
+extra_args += 'wrap_proc_macro'

subprojects/rayon-1-rs.wrap

@@ -0,0 +1,6 @@
+[wrap-file]
+directory = rayon-1.9.0
+source_url = https://crates.io/api/v1/crates/rayon/1.9.0/download
+source_filename = rayon-1.9.0.tar.gz
+source_hash = e4963ed1bc86e4f3ee217022bd855b297cef07fb9eac5dfa1f788b220b49b3bd
+method = cargo