Use Meson to configure Boost subprojects instead of CMake

Boost's CMake files try to access the Internet for absolutely no reason.

src/meson.build

@@ -29,26 +29,12 @@ if is_libretro
     }
     global_dependencies += subproject('libiconv', default_options: libiconv_options).get_variable('libiconv')
 
-    boost_options = cmake.subproject_options()
-    boost_options.add_cmake_defines({
-        'CMAKE_POLICY_VERSION_MINIMUM': '3.10',
-        'CMAKE_C_FLAGS': ' '.join(global_args),
-        'CMAKE_CXX_FLAGS': ' '.join(global_args + global_cpp_args),
-        'CMAKE_POSITION_INDEPENDENT_CODE': use_pic,
-        'BUILD_TESTING': false,
-    })
     global_dependencies += [
-        cmake.subproject('boost_asio', options: boost_options).dependency('boost_asio'),
-        cmake.subproject('boost_mp11', options: boost_options).dependency('boost_mp11'),
-        cmake.subproject('boost_describe', options: boost_options).dependency('boost_describe'),
-        cmake.subproject('boost_config', options: boost_options).dependency('boost_config'),
-        cmake.subproject('boost_assert', options: boost_options).dependency('boost_assert'),
-        cmake.subproject('boost_static_assert', options: boost_options).dependency('boost_static_assert'),
-        cmake.subproject('boost_throw_exception', options: boost_options).dependency('boost_throw_exception'),
-        cmake.subproject('boost_core', options: boost_options).dependency('boost_core'),
-        cmake.subproject('boost_container_hash', options: boost_options).dependency('boost_container_hash'),
-        cmake.subproject('boost_type_traits', options: boost_options).dependency('boost_type_traits'),
-        cmake.subproject('boost_optional', options: boost_options).dependency('boost_optional'),
+        subproject('boost_asio').get_variable('boost_asio'),
+        subproject('boost_core').get_variable('boost_core'),
+        subproject('boost_container_hash').get_variable('boost_container_hash'),
+        subproject('boost_optional').get_variable('boost_optional'),
+        subproject('boost_type_traits').get_variable('boost_type_traits'),
     ]
 
     zlib_options = cmake.subproject_options()

subprojects/boost_asio.wrap

@@ -2,4 +2,5 @@
 url = https://github.com/boostorg/asio
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_asio
 diff_files = boost_asio-counter.patch

subprojects/boost_assert.wrap

@@ -2,4 +2,5 @@
 url = https://github.com/boostorg/assert
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_assert
 diff_files = boost_assert-snprintf.patch

subprojects/boost_config.wrap

@@ -2,3 +2,4 @@
 url = https://github.com/boostorg/config
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_config

subprojects/boost_container_hash.wrap

@@ -2,3 +2,4 @@
 url = https://github.com/boostorg/container_hash
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_container_hash

subprojects/boost_core.wrap

@@ -2,3 +2,4 @@
 url = https://github.com/boostorg/core
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_core

subprojects/boost_describe.wrap

@@ -2,3 +2,4 @@
 url = https://github.com/boostorg/describe
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_describe

subprojects/boost_mp11.wrap

@@ -2,3 +2,4 @@
 url = https://github.com/boostorg/mp11
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_mp11

subprojects/boost_optional.wrap

@@ -2,3 +2,4 @@
 url = https://github.com/boostorg/optional
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_optional

subprojects/boost_static_assert.wrap

@@ -2,3 +2,4 @@
 url = https://github.com/boostorg/static_assert
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_static_assert

subprojects/boost_throw_exception.wrap

@@ -2,3 +2,4 @@
 url = https://github.com/boostorg/throw_exception
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_throw_exception

subprojects/boost_type_traits.wrap

@@ -2,3 +2,4 @@
 url = https://github.com/boostorg/type_traits
 revision = boost-1.87.0
 depth = 1
+patch_directory = boost_type_traits

subprojects/packagefiles/boost_asio/meson.build

@@ -0,0 +1,4 @@
+project('boost_asio', 'cpp', meson_version: '>=1.3.0')
+boost_asio = declare_dependency(
+    include_directories: 'include',
+)

subprojects/packagefiles/boost_assert/meson.build

@@ -0,0 +1,7 @@
+project('boost_assert', 'cpp', meson_version: '>=1.3.0')
+boost_assert = declare_dependency(
+    include_directories: 'include',
+    dependencies: [
+        subproject('boost_config').get_variable('boost_config'),
+    ],
+)

subprojects/packagefiles/boost_config/meson.build

@@ -0,0 +1,4 @@
+project('boost_config', 'cpp', meson_version: '>=1.3.0')
+boost_config = declare_dependency(
+    include_directories: 'include',
+)

subprojects/packagefiles/boost_container_hash/meson.build

@@ -0,0 +1,9 @@
+project('boost_container_hash', 'cpp', meson_version: '>=1.3.0')
+boost_container_hash = declare_dependency(
+    include_directories: 'include',
+    dependencies: [
+        subproject('boost_config').get_variable('boost_config'),
+        subproject('boost_describe').get_variable('boost_describe'),
+        subproject('boost_mp11').get_variable('boost_mp11'),
+    ],
+)

subprojects/packagefiles/boost_core/meson.build

@@ -0,0 +1,10 @@
+project('boost_core', 'cpp', meson_version: '>=1.3.0')
+boost_core = declare_dependency(
+    include_directories: 'include',
+    dependencies: [
+        subproject('boost_assert').get_variable('boost_assert'),
+        subproject('boost_config').get_variable('boost_config'),
+        subproject('boost_static_assert').get_variable('boost_static_assert'),
+        subproject('boost_throw_exception').get_variable('boost_throw_exception'),
+    ],
+)

subprojects/packagefiles/boost_describe/meson.build

@@ -0,0 +1,7 @@
+project('boost_describe', 'cpp', meson_version: '>=1.3.0')
+boost_describe = declare_dependency(
+    include_directories: 'include',
+    dependencies: [
+        subproject('boost_mp11').get_variable('boost_mp11'),
+    ],
+)

subprojects/packagefiles/boost_mp11/meson.build

@@ -0,0 +1,4 @@
+project('boost_mp11', 'cpp', meson_version: '>=1.3.0')
+boost_mp11 = declare_dependency(
+    include_directories: 'include',
+)

subprojects/packagefiles/boost_optional/meson.build

@@ -0,0 +1,11 @@
+project('boost_optional', 'cpp', meson_version: '>=1.3.0')
+boost_optional = declare_dependency(
+    include_directories: 'include',
+    dependencies: [
+        subproject('boost_assert').get_variable('boost_assert'),
+        subproject('boost_config').get_variable('boost_config'),
+        subproject('boost_core').get_variable('boost_core'),
+        subproject('boost_throw_exception').get_variable('boost_throw_exception'),
+        subproject('boost_type_traits').get_variable('boost_type_traits'),
+    ],
+)

subprojects/packagefiles/boost_static_assert/meson.build

@@ -0,0 +1,7 @@
+project('boost_static_assert', 'cpp', meson_version: '>=1.3.0')
+boost_static_assert = declare_dependency(
+    include_directories: 'include',
+    dependencies: [
+        subproject('boost_config').get_variable('boost_config'),
+    ],
+)

subprojects/packagefiles/boost_throw_exception/meson.build

@@ -0,0 +1,8 @@
+project('boost_throw_exception', 'cpp', meson_version: '>=1.3.0')
+boost_throw_exception = declare_dependency(
+    include_directories: 'include',
+    dependencies: [
+        subproject('boost_assert').get_variable('boost_assert'),
+        subproject('boost_config').get_variable('boost_config'),
+    ],
+)

subprojects/packagefiles/boost_type_traits/meson.build

@@ -0,0 +1,8 @@
+project('boost_type_traits', 'cpp', meson_version: '>=1.3.0')
+boost_type_traits = declare_dependency(
+    include_directories: 'include',
+    dependencies: [
+        subproject('boost_config').get_variable('boost_config'),
+        subproject('boost_static_assert').get_variable('boost_static_assert'),
+    ],
+)