meson: Add libcurl subproject fallback

meson.build

@@ -1385,7 +1385,32 @@ if not get_option('blkio').auto() or have_block
 endif
 curl = dependency('libcurl', version: '>=7.29.0',
                   method: 'pkg-config',
-                  required: true)
+                  required: false)
+if not curl.found()
+  curl_sub = subproject('curl', default_options: [
+      'schannel=enabled',
+      'sspi=enabled',
+      'ssl=enabled',
+      'http=enabled',
+      'ftp=enabled',
+      'dict=disabled',
+      'file=disabled',
+      'gopher=disabled',
+      'imap=disabled',
+      'ldap=disabled',
+      'ldaps=disabled',
+      'mqtt=disabled',
+      'pop3=disabled',
+      'rtmp=disabled',
+      'rtsp=disabled',
+      'smb=disabled',
+      'smtp=disabled',
+      'telnet=disabled',
+      'tftp=disabled',
+      'default_library=static',
+  ])
+  curl = curl_sub.get_variable('curl_dep')
+endif
 libudev = not_found
 if host_os == 'linux' and (have_system or have_tools)
   libudev = dependency('libudev',

subprojects/.gitignore

@@ -29,3 +29,4 @@ xxHash-*
 imgui
 implot
 genconfig
+curl-*

subprojects/curl.wrap

@@ -0,0 +1,13 @@
+[wrap-file]
+directory = curl-8.10.1
+source_url = https://github.com/curl/curl/releases/download/curl-8_10_1/curl-8.10.1.tar.xz
+source_fallback_url = https://github.com/mesonbuild/wrapdb/releases/download/curl_8.10.1-1/curl-8.10.1.tar.xz
+source_filename = curl-8.10.1.tar.xz
+source_hash = 73a4b0e99596a09fa5924a4fb7e4b995a85fda0d18a2c02ab9cf134bebce04ee
+patch_filename = curl_8.10.1-1_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/curl_8.10.1-1/get_patch
+patch_hash = 707c28f35fc9b0e8d68c0c2800712007612f922a31da9637ce706a2159f3ddd8
+wrapdb_version = 8.10.1-1
+
+[provide]
+dependency_names = libcurl