Drop winsqlite3 feature

.github/workflows/main.yml

@@ -122,18 +122,6 @@ jobs:
       - run: cargo test --features 'bundled-full session buildtime_bindgen' --all-targets --workspace --verbose
       - run: cargo test --features 'bundled-full session buildtime_bindgen' --doc --workspace --verbose
 
-  winsqlite3:
-    name: Test with winsqlite3
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: hecrj/setup-rust-action@v1
-      - uses: Swatinem/rust-cache@v2
-      # TODO: Should this test GNU toolchain? What about +crt-static?
-      # TODO: Is it worth testing other features?
-      - run: cargo build --features winsqlite3 --workspace --all-targets --verbose
-      - run: cargo test --features winsqlite3 --workspace --all-targets --verbose
-
   sqlcipher:
     name: Test with sqlcipher
     runs-on: ubuntu-latest

Cargo.toml

@@ -76,8 +76,6 @@ bundled-windows = ["libsqlite3-sys/bundled-windows"]
 with-asan = ["libsqlite3-sys/with-asan"]
 column_decltype = []
 wasm32-wasi-vfs = ["libsqlite3-sys/wasm32-wasi-vfs"]
-# Note: doesn't support 32-bit.
-winsqlite3 = ["libsqlite3-sys/winsqlite3"]
 # 3.23.0
 serialize = ["modern_sqlite"]
 

README.md

@@ -136,7 +136,6 @@ features](https://doc.rust-lang.org/cargo/reference/manifest.html#the-features-s
 * `extra_check` fail when a query passed to execute is readonly or has a column count > 0.
 * `column_decltype` provides `columns()` method for Statements and Rows; omit if linking to a version of SQLite/SQLCipher compiled with `-DSQLITE_OMIT_DECLTYPE`.
 * `collation` exposes [`sqlite3_create_collation_v2`](https://sqlite.org/c3ref/create_collation.html).
-* `winsqlite3` allows linking against the SQLite present in newer versions of Windows
 
 ## Notes on building rusqlite and libsqlite3-sys
 

libsqlite3-sys/Cargo.toml

@@ -34,13 +34,6 @@ in_gecko = []
 with-asan = []
 wasm32-wasi-vfs = []
 
-# lowest version shipped with Windows 10.0.10586 was 3.8.8.3
-#
-# Note that because `winsqlite3.dll` exports SQLite functions using a atypical
-# ABI on 32-bit systems, this is currently unsupported on these. This may change
-# in the future.
-winsqlite3 = []
-
 [dependencies]
 openssl-sys = { version = "0.9", optional = true }
 

libsqlite3-sys/build.rs

@@ -331,8 +331,6 @@ fn env_prefix() -> &'static str {
 fn lib_name() -> &'static str {
     if cfg!(any(feature = "sqlcipher", feature = "bundled-sqlcipher")) {
         "sqlcipher"
-    } else if cfg!(all(windows, feature = "winsqlite3")) {
-        "winsqlite3"
     } else {
         "sqlite3"
     }
@@ -433,12 +431,6 @@ mod build_linked {
         #[cfg(not(feature = "loadable_extension"))]
         println!("cargo:link-target={link_lib}");
 
-        if win_target() && cfg!(feature = "winsqlite3") {
-            #[cfg(not(feature = "loadable_extension"))]
-            println!("cargo:rustc-link-lib=dylib={link_lib}");
-            return HeaderLocation::Wrapper;
-        }
-
         // Allow users to specify where to find SQLite.
         if let Ok(dir) = env::var(format!("{}_LIB_DIR", env_prefix())) {
             // Try to use pkg-config to determine link commands
@@ -599,36 +591,6 @@ mod bindings {
         if cfg!(feature = "session") {
             bindings = bindings.clang_arg("-DSQLITE_ENABLE_SESSION");
         }
-        if win_target() && cfg!(feature = "winsqlite3") {
-            bindings = bindings
-                .clang_arg("-DBINDGEN_USE_WINSQLITE3")
-                .blocklist_item("NTDDI_.+")
-                .blocklist_item("WINAPI_FAMILY.*")
-                .blocklist_item("_WIN32_.+")
-                .blocklist_item("_VCRT_COMPILER_PREPROCESSOR")
-                .blocklist_item("_SAL_VERSION")
-                .blocklist_item("__SAL_H_VERSION")
-                .blocklist_item("_USE_DECLSPECS_FOR_SAL")
-                .blocklist_item("_USE_ATTRIBUTES_FOR_SAL")
-                .blocklist_item("_CRT_PACKING")
-                .blocklist_item("_HAS_EXCEPTIONS")
-                .blocklist_item("_STL_LANG")
-                .blocklist_item("_HAS_CXX17")
-                .blocklist_item("_HAS_CXX20")
-                .blocklist_item("_HAS_NODISCARD")
-                .blocklist_item("WDK_NTDDI_VERSION")
-                .blocklist_item("OSVERSION_MASK")
-                .blocklist_item("SPVERSION_MASK")
-                .blocklist_item("SUBVERSION_MASK")
-                .blocklist_item("WINVER")
-                .blocklist_item("__security_cookie")
-                .blocklist_type("size_t")
-                .blocklist_type("__vcrt_bool")
-                .blocklist_type("wchar_t")
-                .blocklist_function("__security_init_cookie")
-                .blocklist_function("__report_gsfailure")
-                .blocklist_function("__va_start");
-        }
 
         // When cross compiling unless effort is taken to fix the issue, bindgen
         // will find the wrong headers. There's only one header included by the

libsqlite3-sys/src/lib.rs

@@ -5,9 +5,6 @@
 #[cfg(feature = "bundled-sqlcipher-vendored-openssl")]
 extern crate openssl_sys;
 
-#[cfg(all(windows, feature = "winsqlite3", target_pointer_width = "32"))]
-compile_error!("The `libsqlite3-sys/winsqlite3` feature is not supported on 32 bit targets.");
-
 pub use self::error::*;
 
 use std::default::Default;

libsqlite3-sys/wrapper.h

@@ -1,5 +1 @@
-#ifdef BINDGEN_USE_WINSQLITE3
-#include <winsqlite/winsqlite3.h>
-#else
 #include "sqlite3.h"
-#endif