From 0a4a56f880ac50fcf2ccb3b884f7dcbbe6701341 Mon Sep 17 00:00:00 2001
From: Stephan Seitz <sseitz@nvidia.com>
Date: Mon, 4 May 2026 10:59:28 +0200
Subject: [PATCH 1/2] deps: make ONNX support optional

---
 Cargo.lock  | 353 +++++++++++++++++++++++++++++++++++++++-------------
 Cargo.toml  |   6 +-
 src/lib.rs  |   7 +-
 src/main.rs |   4 +
 4 files changed, 280 insertions(+), 90 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 8f61f74..dae794b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,9 +19,9 @@ checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
 
 [[package]]
 name = "anstream"
-version = "0.6.21"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43d5b281e737544384e969a5ccad3f1cdd24b48086a0fc1b2a5262a26b8f4f4a"
+checksum = "824a212faf96e9acacdbd09febd34438f8f711fb84e09a8916013cd7815ca28d"
 dependencies = [
  "anstyle",
  "anstyle-parse",
@@ -34,15 +34,15 @@ dependencies = [
 
 [[package]]
 name = "anstyle"
-version = "1.0.13"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5192cca8006f1fd4f7237516f40fa183bb07f8fbdfedaa0036de5ea9b0b45e78"
+checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"
 
 [[package]]
 name = "anstyle-parse"
-version = "0.2.7"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2"
+checksum = "52ce7f38b242319f7cabaa6813055467063ecdc9d355bbb4ce0c68908cd8130e"
 dependencies = [
  "utf8parse",
 ]
@@ -69,9 +69,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.100"
+version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
+checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
 [[package]]
 name = "base64"
@@ -81,9 +81,9 @@ checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
 [[package]]
 name = "bitflags"
-version = "2.10.0"
+version = "2.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
+checksum = "c4512299f36f043ab09a583e57bceb5a5aab7a73db1805848e8fef3c9e8c78b3"
 
 [[package]]
 name = "block-buffer"
@@ -96,9 +96,9 @@ dependencies = [
 
 [[package]]
 name = "bytes"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b35204fbdc0b3f4446b89fc1ac2cf84a8a68971995d0bf2e925ec7cd960f9cb3"
+checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
 
 [[package]]
 name = "cc"
@@ -118,9 +118,9 @@ checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
 [[package]]
 name = "clap"
-version = "4.5.53"
+version = "4.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9e340e012a1bf4935f5282ed1436d1489548e8f72308207ea5df0e23d2d03f8"
+checksum = "1ddb117e43bbf7dacf0a4190fef4d345b9bad68dfc649cb349e7d17d28428e51"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -128,9 +128,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.53"
+version = "4.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d76b5d13eaa18c901fd2f7fca939fefe3a0727a953561fefdf3b2922b8569d00"
+checksum = "714a53001bf66416adb0e2ef5ac857140e7dc3a0c48fb28b2f10762fc4b5069f"
 dependencies = [
  "anstream",
  "anstyle",
@@ -140,9 +140,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.49"
+version = "4.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a0b5487afeab2deb2ff4e03a807ad1a03ac532ff5a2cee5d86884440c7f7671"
+checksum = "f2ce8604710f6733aa641a2b3731eaa1e8b3d9973d5e3565da11800813f997a9"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -152,15 +152,15 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.7.6"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
+checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
 
 [[package]]
 name = "colorchoice"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75"
+checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"
 
 [[package]]
 name = "cpufeatures"
@@ -210,9 +210,9 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.15.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+checksum = "91622ff5e7162018101f2fea40d6ebf4a78bbe5a49736a2020649edf9693679e"
 
 [[package]]
 name = "equivalent"
@@ -232,9 +232,9 @@ dependencies = [
 
 [[package]]
 name = "fastrand"
-version = "2.3.0"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
+checksum = "9f1f227452a390804cdb637b74a86990f2a7d7ba4b7d5693aac9b4dd6defd8d6"
 
 [[package]]
 name = "find-msvc-tools"
@@ -248,6 +248,12 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
+[[package]]
+name = "foldhash"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
 [[package]]
 name = "foldhash"
 version = "0.2.0"
@@ -286,14 +292,15 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.3.4"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+checksum = "0de51e6874e94e7bf76d726fc5d13ba782deca734ff60d5bb2fb2607c7406555"
 dependencies = [
  "cfg-if",
  "libc",
  "r-efi",
  "wasip2",
+ "wasip3",
 ]
 
 [[package]]
@@ -307,6 +314,15 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.15.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+dependencies = [
+ "foldhash 0.1.5",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.16.1"
@@ -315,11 +331,17 @@ checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 dependencies = [
  "allocator-api2",
  "equivalent",
- "foldhash",
+ "foldhash 0.2.0",
  "serde",
  "serde_core",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -408,6 +430,12 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "id-arena"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
+
 [[package]]
 name = "idna"
 version = "1.1.0"
@@ -431,12 +459,14 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.13.0"
+version = "2.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
+checksum = "d466e9454f08e4a911e14806c24e16fba1b4c121d1ea474396f396069cf949d9"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.17.1",
+ "serde",
+ "serde_core",
 ]
 
 [[package]]
@@ -456,21 +486,27 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.16"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ee5b5339afb4c41626dde77b7a611bd4f2c202b897852b4bcf5d03eddc61010"
+checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
+
+[[package]]
+name = "leb128fmt"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "libc"
-version = "0.2.178"
+version = "0.2.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37c93d8daa9d8a012fd8ab92f088405fb202ea0b6ab73ee2482ae66af4f42091"
+checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.11.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df1d3c3b53da64cf5760482273a98e575c651a67eec7f77df96b5b642de8f039"
+checksum = "32a66949e030da00e8c7d4434b251670a91556f4144941d37452769c25d58a53"
 
 [[package]]
 name = "litemap"
@@ -486,9 +522,9 @@ checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
 [[package]]
 name = "memchr"
-version = "2.7.6"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
+checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
 [[package]]
 name = "multimap"
@@ -498,9 +534,9 @@ checksum = "1d87ecb2933e8aeadb3e3a02b828fed80a7528047e68b4f424523a0981a3a084"
 
 [[package]]
 name = "once_cell"
-version = "1.21.3"
+version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 
 [[package]]
 name = "once_cell_polyfill"
@@ -516,9 +552,9 @@ checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220"
 
 [[package]]
 name = "pest"
-version = "2.8.4"
+version = "2.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbcfd20a6d4eeba40179f05735784ad32bdaef05ce8e8af05f180d45bb3e7e22"
+checksum = "e0848c601009d37dfa3430c4666e147e49cdcf1b92ecd3e63657d8a5f19da662"
 dependencies = [
  "memchr",
  "ucd-trie",
@@ -526,9 +562,9 @@ dependencies = [
 
 [[package]]
 name = "pest_derive"
-version = "2.8.4"
+version = "2.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51f72981ade67b1ca6adc26ec221be9f463f2b5839c7508998daa17c23d94d7f"
+checksum = "11f486f1ea21e6c10ed15d5a7c77165d0ee443402f0780849d1768e7d9d6fe77"
 dependencies = [
  "pest",
  "pest_generator",
@@ -536,9 +572,9 @@ dependencies = [
 
 [[package]]
 name = "pest_generator"
-version = "2.8.4"
+version = "2.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dee9efd8cdb50d719a80088b76f81aec7c41ed6d522ee750178f83883d271625"
+checksum = "8040c4647b13b210a963c1ed407c1ff4fdfa01c31d6d2a098218702e6664f94f"
 dependencies = [
  "pest",
  "pest_meta",
@@ -549,9 +585,9 @@ dependencies = [
 
 [[package]]
 name = "pest_meta"
-version = "2.8.4"
+version = "2.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf1d70880e76bdc13ba52eafa6239ce793d85c8e43896507e43dd8984ff05b82"
+checksum = "89815c69d36021a140146f26659a81d6c2afa33d216d736dd4be5381a7362220"
 dependencies = [
  "pest",
  "sha2",
@@ -588,9 +624,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.103"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 dependencies = [
  "unicode-ident",
 ]
@@ -659,15 +695,15 @@ dependencies = [
 
 [[package]]
 name = "r-efi"
-version = "5.3.0"
+version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
 
 [[package]]
 name = "regex"
-version = "1.12.2"
+version = "1.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "843bc0191f75f3e22651ae5f1e72939ab2f72a4bc30fa80a066bd66edefc24d4"
+checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -677,9 +713,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.13"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5276caf25ac86c8d810222b3dbb938e512c55c6831a10f3e6ed1c93b84041f1c"
+checksum = "6e1dd4122fc1595e8162618945476892eefca7b88c52820e74af6262213cae8f"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -688,9 +724,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.8.8"
+version = "0.8.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
+checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 
 [[package]]
 name = "ring"
@@ -708,9 +744,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "1.1.3"
+version = "1.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "146c9e247ccc180c1f61615433868c99f3de3ae256a30a43b49f67c2d9171f34"
+checksum = "b6fe4565b9518b83ef4f91bb47ce29620ca828bd32cb7e408f0062e9930ba190"
 dependencies = [
  "bitflags",
  "errno",
@@ -760,11 +796,17 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "675656c1eabb620b921efea4f9199f97fc86e36dd6ffd1fbbe48d0f59a4987f5"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.16.1",
  "serde",
  "serde_json",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a7852d02fc848982e0c167ef163aaff9cd91dc640ba85e263cb1ce46fae51cd"
+
 [[package]]
 name = "serde"
 version = "1.0.228"
@@ -797,9 +839,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.147"
+version = "1.0.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6af14725505314343e673e9ecb7cd7e8a36aa9791eb936235a3567cc31447ae4"
+checksum = "e8014e44b4736ed0538adeecded0fce2a272f22dc9578a7eb6b2d9993c74cfb9"
 dependencies = [
  "itoa",
  "memchr",
@@ -851,9 +893,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
-version = "2.0.111"
+version = "2.0.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "390cc9a294ab71bdb1aa2e99d13be9c753cd2d7bd6560c77118597410c4d2e87"
+checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -873,12 +915,12 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.24.0"
+version = "3.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "655da9c7eb6305c55742045d5a8d2037996d61d8de95806335c7c86ce0f82e9c"
+checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
 dependencies = [
  "fastrand",
- "getrandom 0.3.4",
+ "getrandom 0.4.2",
  "once_cell",
  "rustix",
  "windows-sys 0.61.2",
@@ -916,9 +958,9 @@ dependencies = [
 
 [[package]]
 name = "typenum"
-version = "1.19.0"
+version = "1.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
+checksum = "40ce102ab67701b8526c123c1bab5cbe42d7040ccfd0f64af1a385808d2f43de"
 
 [[package]]
 name = "ucd-trie"
@@ -928,9 +970,15 @@ checksum = "2896d95c02a80c6d6a5d6e953d479f5ddf2dfdb6a244441010e373ac0fb88971"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.22"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
+checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
 [[package]]
 name = "untrusted"
@@ -991,11 +1039,54 @@ checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
 [[package]]
 name = "wasip2"
-version = "1.0.1+wasi-0.2.4"
+version = "1.0.3+wasi-0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20064672db26d7cdc89c7798c48a0fdfac8213434a1186e5ef29fd560ae223d6"
+dependencies = [
+ "wit-bindgen 0.57.1",
+]
+
+[[package]]
+name = "wasip3"
+version = "0.4.0+wasi-0.3.0-rc-2026-01-06"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5"
+dependencies = [
+ "wit-bindgen 0.51.0",
+]
+
+[[package]]
+name = "wasm-encoder"
+version = "0.244.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
+checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
 dependencies = [
- "wit-bindgen",
+ "leb128fmt",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasm-metadata"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
+dependencies = [
+ "anyhow",
+ "indexmap",
+ "wasm-encoder",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasmparser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
+dependencies = [
+ "bitflags",
+ "hashbrown 0.15.5",
+ "indexmap",
+ "semver",
 ]
 
 [[package]]
@@ -1020,8 +1111,8 @@ dependencies = [
 
 [[package]]
 name = "webnn-onnx-utils"
-version = "0.1.0"
-source = "git+https://github.com/rustnn/webnn-onnx-utils?branch=main#2e48450d12122dd0f776c1aca7ae9e09b1eaf743"
+version = "0.1.1"
+source = "git+https://github.com/rustnn/webnn-onnx-utils?branch=main#cead2ef3a35dded186617d0256614e2d5df463f7"
 dependencies = [
  "half",
  "once_cell",
@@ -1141,9 +1232,97 @@ checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
 name = "wit-bindgen"
-version = "0.46.0"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
+dependencies = [
+ "wit-bindgen-rust-macro",
+]
+
+[[package]]
+name = "wit-bindgen"
+version = "0.57.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ebf944e87a7c253233ad6766e082e3cd714b5d03812acc24c318f549614536e"
+
+[[package]]
+name = "wit-bindgen-core"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
+dependencies = [
+ "anyhow",
+ "heck",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-bindgen-rust"
+version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
+dependencies = [
+ "anyhow",
+ "heck",
+ "indexmap",
+ "prettyplease",
+ "syn",
+ "wasm-metadata",
+ "wit-bindgen-core",
+ "wit-component",
+]
+
+[[package]]
+name = "wit-bindgen-rust-macro"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
+dependencies = [
+ "anyhow",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wit-bindgen-core",
+ "wit-bindgen-rust",
+]
+
+[[package]]
+name = "wit-component"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
+dependencies = [
+ "anyhow",
+ "bitflags",
+ "indexmap",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "wasm-encoder",
+ "wasm-metadata",
+ "wasmparser",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-parser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "indexmap",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-xid",
+ "wasmparser",
+]
 
 [[package]]
 name = "writeable"
@@ -1176,18 +1355,18 @@ dependencies = [
 
 [[package]]
 name = "zerocopy"
-version = "0.8.32"
+version = "0.8.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fabae64378cb18147bb18bca364e63bdbe72a0ffe4adf0addfec8aa166b2c56"
+checksum = "eed437bf9d6692032087e337407a86f04cd8d6a16a37199ed57949d415bd68e9"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.32"
+version = "0.8.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9c2d862265a8bb4471d87e033e730f536e2a285cc7cb05dbce09a2a97075f90"
+checksum = "70e3cd084b1788766f53af483dd21f93881ff30d7320490ec3ef7526d203bad4"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1256,6 +1435,6 @@ dependencies = [
 
 [[package]]
 name = "zmij"
-version = "0.1.7"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e404bcd8afdaf006e529269d3e85a743f9480c3cef60034d77860d02964f3ba"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/Cargo.toml b/Cargo.toml
index 90c6498..af1154f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,10 @@ path = "src/lib.rs"
 name = "webnn-graph"
 path = "src/main.rs"
 
+[features]
+default = ["onnx"]
+onnx = ["dep:webnn-onnx-utils"]
+
 [dependencies]
 anyhow = "1.0"
 serde = { version = "1.0", features = ["derive"] }
@@ -25,7 +29,7 @@ pest_derive = "2.7"
 clap = { version = "4.5", features = ["derive"] }
 base64 = "0.22"
 prost = "0.12"
-webnn-onnx-utils = { git = "https://github.com/rustnn/webnn-onnx-utils", branch = "main" }
+webnn-onnx-utils = { git = "https://github.com/rustnn/webnn-onnx-utils", branch = "main", optional = true }
 
 [dev-dependencies]
 tempfile = "3.8"
diff --git a/src/lib.rs b/src/lib.rs
index 83ce42c..596623d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,10 +5,13 @@ pub use external_weights::{resolve_external_weights, WeightResolveError};
 
 pub mod emit_html;
 pub mod emit_js;
-pub mod onnx;
 pub mod parser;
-pub mod protos;
 pub mod serialize;
 pub mod validate;
 pub mod weights;
 pub mod weights_io;
+
+#[cfg(feature = "onnx")]
+pub mod onnx;
+#[cfg(feature = "onnx")]
+pub mod protos;
diff --git a/src/main.rs b/src/main.rs
index 2504839..26685ea 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,10 +1,12 @@
 use clap::{Parser, Subcommand};
 use std::fs;
+#[cfg(feature = "onnx")]
 use std::path::Path;
 
 use webnn_graph::ast::GraphJson;
 use webnn_graph::emit_html::emit_html;
 use webnn_graph::emit_js::{emit_builder_js, emit_weights_loader_js};
+#[cfg(feature = "onnx")]
 use webnn_graph::onnx::convert::{convert_onnx, ConvertOptions};
 use webnn_graph::parser::parse_wg_text;
 use webnn_graph::serialize::serialize_graph_to_wg_text;
@@ -94,6 +96,7 @@ enum Command {
         #[arg(long)]
         output: String,
     },
+    #[cfg(feature = "onnx")]
     ConvertOnnx {
         /// Input ONNX model file (.onnx)
         #[arg(long)]
@@ -256,6 +259,7 @@ fn main() -> anyhow::Result<()> {
             fs::write(&output, json)?;
             eprintln!("Wrote graph with inline weights to: {}", output);
         }
+        #[cfg(feature = "onnx")]
         Command::ConvertOnnx {
             input,
             output,

From ccef60709aadf010783399fd1bd7b9092b5f8036 Mon Sep 17 00:00:00 2001
From: Stephan Seitz <sseitz@nvidia.com>
Date: Mon, 4 May 2026 11:03:50 +0200
Subject: [PATCH 2/2] ci: test without protoc and ONNX support

---
 .github/workflows/ci.yml     | 23 +++++++++++++----------
 Cargo.toml                   |  4 ++--
 Makefile                     | 34 ++++++++++++++++++++--------------
 tests/resnet50_conversion.rs |  1 +
 4 files changed, 36 insertions(+), 26 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a41d3b2..aff5b9e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,12 +12,15 @@ env:
 
 jobs:
   test:
-    name: Test on ${{ matrix.os }}
+    name: Test (${{ matrix.os }}, minimal=${{ matrix.minimal }})
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
+        minimal: [true, false]
+    env:
+      CARGO_FLAGS: ${{ matrix.minimal && '--no-default-features' || '' }}
 
     steps:
       - name: Checkout code
@@ -29,42 +32,42 @@ jobs:
           components: rustfmt, clippy
 
       - name: Install protoc (Linux)
-        if: runner.os == 'Linux'
+        if: ${{ runner.os == 'Linux' && !matrix.minimal }}
         run: |
           sudo apt-get update
           sudo apt-get install -y protobuf-compiler
 
       - name: Install protoc (macOS)
-        if: runner.os == 'macOS'
+        if: ${{ runner.os == 'macOS' && !matrix.minimal }}
         run: brew install protobuf
 
       - name: Install protoc (Windows)
-        if: runner.os == 'Windows'
+        if: ${{ runner.os == 'Windows' && !matrix.minimal }}
         run: choco install protoc
 
       - name: Cache cargo registry
         uses: actions/cache@v4
         with:
           path: ~/.cargo/registry
-          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-${{ matrix.minimal }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
-            ${{ runner.os }}-cargo-registry-
+            ${{ runner.os }}-${{ matrix.minimal }}-cargo-registry-
 
       - name: Cache cargo index
         uses: actions/cache@v4
         with:
           path: ~/.cargo/git
-          key: ${{ runner.os }}-cargo-git-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-${{ matrix.minimal }}-cargo-git-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
-            ${{ runner.os }}-cargo-git-
+            ${{ runner.os }}-${{ matrix.minimal }}-cargo-git-
 
       - name: Cache target directory
         uses: actions/cache@v4
         with:
           path: target
-          key: ${{ runner.os }}-target-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-${{ matrix.minimal }}-target-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
-            ${{ runner.os }}-target-
+            ${{ runner.os }}-${{ matrix.minimal }}-target-
 
       # Cache the ResNet-50 ONNX model separately so it survives Cargo.lock churn
       # and is not evicted as collateral damage when the target/ cache is invalidated.
diff --git a/Cargo.toml b/Cargo.toml
index af1154f..c51859d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ path = "src/main.rs"
 
 [features]
 default = ["onnx"]
-onnx = ["dep:webnn-onnx-utils"]
+onnx = ["dep:webnn-onnx-utils", "dep:prost"]
 
 [dependencies]
 anyhow = "1.0"
@@ -28,7 +28,7 @@ pest = "2.7"
 pest_derive = "2.7"
 clap = { version = "4.5", features = ["derive"] }
 base64 = "0.22"
-prost = "0.12"
+prost = { version = "0.12", optional = true }
 webnn-onnx-utils = { git = "https://github.com/rustnn/webnn-onnx-utils", branch = "main", optional = true }
 
 [dev-dependencies]
diff --git a/Makefile b/Makefile
index 800b968..558305b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,23 +1,29 @@
-.PHONY: all build test fmt clean run check lint help parse validate emit-js emit-html coverage
+.PHONY: all build test fmt clean run check lint help parse validate emit-js emit-html coverage minimal
+
+CARGO_FLAGS ?=
 
 # Default target
 all: build
 
 # Build the project
 build:
-	cargo build
+	cargo build $(CARGO_FLAGS)
+
+# Build with --no-default-features
+minimal:
+	cargo build --no-default-features
 
 # Build with release optimizations
 release:
-	cargo build --release
+	cargo build --release $(CARGO_FLAGS)
 
 # Run all tests
 test:
-	cargo test
+	cargo test $(CARGO_FLAGS)
 
 # Run tests with output
 test-verbose:
-	cargo test -- --nocapture
+	cargo test $(CARGO_FLAGS) -- --nocapture
 
 # Format code
 fmt:
@@ -29,11 +35,11 @@ fmt-check:
 
 # Run clippy linter
 lint:
-	cargo clippy -- -D warnings
+	cargo clippy $(CARGO_FLAGS) -- -D warnings
 
 # Quick compile check without building
 check:
-	cargo check
+	cargo check $(CARGO_FLAGS)
 
 # Clean build artifacts
 clean:
@@ -41,25 +47,25 @@ clean:
 
 # Run the CLI tool (parse example)
 run:
-	cargo run --bin webnn-graph -- parse examples/resnet_head.webnn
+	cargo run $(CARGO_FLAGS) --bin webnn-graph -- parse examples/resnet_head.webnn
 
 # Parse example graph
 parse:
-	cargo run --bin webnn-graph -- parse examples/resnet_head.webnn
+	cargo run $(CARGO_FLAGS) --bin webnn-graph -- parse examples/resnet_head.webnn
 
 # Validate example graph
 validate:
-	cargo run --bin webnn-graph -- parse examples/resnet_head.webnn > /tmp/graph.json && \
-	cargo run --bin webnn-graph -- validate /tmp/graph.json --weights-manifest examples/weights.manifest.json
+	cargo run $(CARGO_FLAGS) --bin webnn-graph -- parse examples/resnet_head.webnn > /tmp/graph.json && \
+	cargo run $(CARGO_FLAGS) --bin webnn-graph -- validate /tmp/graph.json --weights-manifest examples/weights.manifest.json
 
 # Emit JavaScript for example graph
 emit-js:
-	cargo run --bin webnn-graph -- parse examples/resnet_head.webnn > /tmp/graph.json && \
-	cargo run --bin webnn-graph -- emit-js /tmp/graph.json
+	cargo run $(CARGO_FLAGS) --bin webnn-graph -- parse examples/resnet_head.webnn > /tmp/graph.json && \
+	cargo run $(CARGO_FLAGS) --bin webnn-graph -- emit-js /tmp/graph.json
 
 # Generate HTML visualizer for example graph
 emit-html:
-	cargo run --bin webnn-graph -- emit-html examples/resnet_head.webnn > /tmp/webnn_viz.html
+	cargo run $(CARGO_FLAGS) --bin webnn-graph -- emit-html examples/resnet_head.webnn > /tmp/webnn_viz.html
 	@echo "Visualizer generated: /tmp/webnn_viz.html"
 	@echo "Open it with: open /tmp/webnn_viz.html"
 
diff --git a/tests/resnet50_conversion.rs b/tests/resnet50_conversion.rs
index bead15d..4978008 100644
--- a/tests/resnet50_conversion.rs
+++ b/tests/resnet50_conversion.rs
@@ -1,3 +1,4 @@
+#![cfg(feature = "onnx")]
 //! End-to-end conversion test for ResNet-50 (ONNX Model Zoo).
 //!
 //! The downloaded model is cached at `target/test-data/resnet50_Opset16.onnx`.