Paolo Bonzini <pbonz...@redhat.com> writes:
> All constructs introduced by newer versions of Rust have been removed.
>
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
> meson.build | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/meson.build b/meson.build
> index 175b8d82228..0e279d245b4 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -76,11 +76,11 @@ if not get_option('rust').disabled() and
> add_languages('rust', required: get_opt
> and add_languages('rust', required: get_option('rust'), native: true)
> rustc = meson.get_compiler('rust')
> have_rust = true
> - if rustc.version().version_compare('<1.80.0')
> + if rustc.version().version_compare('<1.63.0')
In my Ubuntu 22.04 environment (rustc 1.76.0 and bindgen 0.59.1 from
apt) the feature `proc_macro_byte_character` is not yet stablized but
used in proc-macro2. Downgrading proc-macro2 to 1.0.79 [1] and syn to
2.0.58 fixes that issue for me.
[1]
https://github.com/drmingdrmer/openraft/commit/d496b6db4c6128d33f0f211165c08a7925cf20f7
Here're my changes:
diff --git a/subprojects/proc-macro2-1-rs.wrap
b/subprojects/proc-macro2-1-rs.wrap
index 7053e2c013..d5713b45d7 100644
--- a/subprojects/proc-macro2-1-rs.wrap
+++ b/subprojects/proc-macro2-1-rs.wrap
@@ -1,7 +1,7 @@
[wrap-file]
-directory = proc-macro2-1.0.84
-source_url = https://crates.io/api/v1/crates/proc-macro2/1.0.84/download
-source_filename = proc-macro2-1.0.84.0.tar.gz
-source_hash = ec96c6a92621310b51366f1e28d05ef11489516e93be030060e5fc12024a49d6
+directory = proc-macro2-1.0.79
+source_url = https://crates.io/api/v1/crates/proc-macro2/1.0.79/download
+source_filename = proc-macro2-1.0.79.0.tar.gz
+source_hash = e835ff2298f5721608eb1a980ecaee1aef2c132bf95ecc026a11b7bf3c01c02e
#method = cargo
patch_directory = proc-macro2-1-rs
diff --git a/subprojects/syn-2-rs.wrap b/subprojects/syn-2-rs.wrap
index 13ffdac3c3..9d413a0c57 100644
--- a/subprojects/syn-2-rs.wrap
+++ b/subprojects/syn-2-rs.wrap
@@ -1,7 +1,7 @@
[wrap-file]
-directory = syn-2.0.66
-source_url = https://crates.io/api/v1/crates/syn/2.0.66/download
-source_filename = syn-2.0.66.0.tar.gz
-source_hash = c42f3f41a2de00b01c0aaad383c5a45241efc8b2d1eda5661812fda5f3cdcff5
+directory = syn-2.0.58
+source_url = https://crates.io/api/v1/crates/syn/2.0.58/download
+source_filename = syn-2.0.58.0.tar.gz
+source_hash = 44cfb93f38070beee36b3fef7d4f5a16f27751d94b187b666a5cc5e9b0d30687
#method = cargo
patch_directory = syn-2-rs
--
Best Regards
Junjie Mao
> if get_option('rust').enabled()
> - error('rustc version ' + rustc.version() + ' is unsupported: Please
> upgrade to at least 1.80.0')
> + error('rustc version ' + rustc.version() + ' is unsupported: Please
> upgrade to at least 1.63.0')
> else
> - warning('rustc version ' + rustc.version() + ' is unsupported:
> Disabling Rust compilation. Please upgrade to at least 1.80.0 to use Rust.')
> + warning('rustc version ' + rustc.version() + ' is unsupported:
> Disabling Rust compilation. Please upgrade to at least 1.63.0 to use Rust.')
> have_rust = false
> endif
> endif
