mirror of
https://github.com/isar/rusqlite.git
synced 2024-11-25 02:21:37 +08:00
658 lines
26 KiB
Rust
658 lines
26 KiB
Rust
use std::env;
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use std::path::Path;
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/// Tells whether we're building for Windows. This is more suitable than a plain
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/// `cfg!(windows)`, since the latter does not properly handle cross-compilation
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///
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/// Note that there is no way to know at compile-time which system we'll be
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/// targetting, and this test must be made at run-time (of the build script) See
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/// https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-build-scripts
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fn win_target() -> bool {
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env::var("CARGO_CFG_WINDOWS").is_ok()
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}
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/// Tells whether we're building for Android.
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/// See [`win_target`]
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#[cfg(any(feature = "bundled", feature = "bundled-windows"))]
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fn android_target() -> bool {
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env::var("CARGO_CFG_TARGET_OS").map_or(false, |v| v == "android")
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}
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/// Tells whether a given compiler will be used `compiler_name` is compared to
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/// the content of `CARGO_CFG_TARGET_ENV` (and is always lowercase)
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///
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/// See [`win_target`]
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fn is_compiler(compiler_name: &str) -> bool {
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env::var("CARGO_CFG_TARGET_ENV").map_or(false, |v| v == compiler_name)
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}
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fn main() {
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let out_dir = env::var("OUT_DIR").unwrap();
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let out_path = Path::new(&out_dir).join("bindgen.rs");
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if cfg!(feature = "in_gecko") {
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// When inside mozilla-central, we are included into the build with
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// sqlite3.o directly, so we don't want to provide any linker arguments.
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std::fs::copy("sqlite3/bindgen_bundled_version.rs", out_path)
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.expect("Could not copy bindings to output directory");
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return;
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}
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if cfg!(all(
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feature = "sqlcipher",
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not(feature = "bundled-sqlcipher")
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)) {
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if cfg!(feature = "bundled") || (win_target() && cfg!(feature = "bundled-windows")) {
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println!(
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"cargo:warning=For backwards compatibility, feature 'sqlcipher' overrides
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features 'bundled' and 'bundled-windows'. If you want a bundled build of
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SQLCipher (available for the moment only on Unix), use feature 'bundled-sqlcipher'
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or 'bundled-sqlcipher-vendored-openssl' to also bundle OpenSSL crypto."
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);
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}
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build_linked::main(&out_dir, &out_path);
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} else if cfg!(feature = "bundled")
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|| (win_target() && cfg!(feature = "bundled-windows"))
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|| cfg!(feature = "bundled-sqlcipher")
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{
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#[cfg(any(
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feature = "bundled",
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feature = "bundled-windows",
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feature = "bundled-sqlcipher"
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))]
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build_bundled::main(&out_dir, &out_path);
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#[cfg(not(any(
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feature = "bundled",
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feature = "bundled-windows",
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feature = "bundled-sqlcipher"
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)))]
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panic!("The runtime test should not run this branch, which has not compiled any logic.")
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} else {
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build_linked::main(&out_dir, &out_path);
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}
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}
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#[cfg(any(
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feature = "bundled",
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feature = "bundled-windows",
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feature = "bundled-sqlcipher"
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))]
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mod build_bundled {
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use std::env;
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use std::ffi::OsString;
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use std::path::{Path, PathBuf};
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use super::{is_compiler, win_target};
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pub fn main(out_dir: &str, out_path: &Path) {
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let lib_name = super::lib_name();
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// This is just a sanity check, the top level `main` should ensure this.
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assert!(!(cfg!(feature = "bundled-windows") && !cfg!(feature = "bundled") && !win_target()),
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"This module should not be used: we're not on Windows and the bundled feature has not been enabled");
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#[cfg(feature = "buildtime_bindgen")]
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{
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use super::{bindings, HeaderLocation};
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let header = HeaderLocation::FromPath(format!("{}/sqlite3.h", lib_name));
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bindings::write_to_out_dir(header, out_path);
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}
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#[cfg(not(feature = "buildtime_bindgen"))]
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{
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use std::fs;
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fs::copy(format!("{lib_name}/bindgen_bundled_version.rs"), out_path)
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.expect("Could not copy bindings to output directory");
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}
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// println!("cargo:rerun-if-changed=sqlite3/sqlite3.c");
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// println!("cargo:rerun-if-changed=sqlcipher/sqlite3.c");
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println!("cargo:rerun-if-changed={lib_name}/sqlite3.c");
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println!("cargo:rerun-if-changed=sqlite3/wasm32-wasi-vfs.c");
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let mut cfg = cc::Build::new();
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cfg.file(format!("{lib_name}/sqlite3.c"))
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.flag("-DSQLITE_CORE")
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.flag("-DSQLITE_DEFAULT_FOREIGN_KEYS=1")
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.flag("-DSQLITE_ENABLE_API_ARMOR")
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.flag("-DSQLITE_ENABLE_COLUMN_METADATA")
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.flag("-DSQLITE_ENABLE_DBSTAT_VTAB")
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.flag("-DSQLITE_ENABLE_FTS3")
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.flag("-DSQLITE_ENABLE_FTS3_PARENTHESIS")
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.flag("-DSQLITE_ENABLE_FTS5")
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.flag("-DSQLITE_ENABLE_JSON1")
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.flag("-DSQLITE_ENABLE_LOAD_EXTENSION=1")
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.flag("-DSQLITE_ENABLE_MEMORY_MANAGEMENT")
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.flag("-DSQLITE_ENABLE_RTREE")
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.flag("-DSQLITE_ENABLE_STAT2")
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.flag("-DSQLITE_ENABLE_STAT4")
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.flag("-DSQLITE_SOUNDEX")
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.flag("-DSQLITE_THREADSAFE=1")
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.flag("-DSQLITE_USE_URI")
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.flag("-DHAVE_USLEEP=1")
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.flag("-D_POSIX_THREAD_SAFE_FUNCTIONS") // cross compile with MinGW
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.warnings(false);
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if cfg!(feature = "bundled-sqlcipher") {
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cfg.flag("-DSQLITE_HAS_CODEC").flag("-DSQLITE_TEMP_STORE=2");
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let target = env::var("TARGET").unwrap();
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let host = env::var("HOST").unwrap();
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let is_windows = host.contains("windows") && target.contains("windows");
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let is_apple = host.contains("apple") && target.contains("apple");
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let lib_dir = env("OPENSSL_LIB_DIR").map(PathBuf::from);
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let inc_dir = env("OPENSSL_INCLUDE_DIR").map(PathBuf::from);
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let mut use_openssl = false;
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let (lib_dir, inc_dir) = match (lib_dir, inc_dir) {
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(Some(lib_dir), Some(inc_dir)) => {
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use_openssl = true;
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(lib_dir, inc_dir)
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}
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(lib_dir, inc_dir) => match find_openssl_dir(&host, &target) {
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None => {
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if is_windows && !cfg!(feature = "bundled-sqlcipher-vendored-openssl") {
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panic!("Missing environment variable OPENSSL_DIR or OPENSSL_DIR is not set")
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} else {
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(PathBuf::new(), PathBuf::new())
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}
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}
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Some(openssl_dir) => {
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let lib_dir = lib_dir.unwrap_or_else(|| openssl_dir.join("lib"));
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let inc_dir = inc_dir.unwrap_or_else(|| openssl_dir.join("include"));
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assert!(
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Path::new(&lib_dir).exists(),
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"OpenSSL library directory does not exist: {}",
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lib_dir.to_string_lossy()
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);
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if !Path::new(&inc_dir).exists() {
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panic!(
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"OpenSSL include directory does not exist: {}",
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inc_dir.to_string_lossy()
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);
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}
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use_openssl = true;
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(lib_dir, inc_dir)
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}
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},
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};
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if cfg!(feature = "bundled-sqlcipher-vendored-openssl") {
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cfg.include(env::var("DEP_OPENSSL_INCLUDE").unwrap());
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// cargo will resolve downstream to the static lib in
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// openssl-sys
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} else if use_openssl {
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cfg.include(inc_dir.to_string_lossy().as_ref());
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let lib_name = if is_windows { "libcrypto" } else { "crypto" };
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println!("cargo:rustc-link-lib=dylib={}", lib_name);
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println!("cargo:rustc-link-search={}", lib_dir.to_string_lossy());
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} else if is_apple {
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cfg.flag("-DSQLCIPHER_CRYPTO_CC");
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println!("cargo:rustc-link-lib=framework=Security");
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println!("cargo:rustc-link-lib=framework=CoreFoundation");
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} else {
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// branch not taken on Windows, just `crypto` is fine.
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println!("cargo:rustc-link-lib=dylib=crypto");
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}
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}
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// on android sqlite can't figure out where to put the temp files.
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// the bundled sqlite on android also uses `SQLITE_TEMP_STORE=3`.
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// https://android.googlesource.com/platform/external/sqlite/+/2c8c9ae3b7e6f340a19a0001c2a889a211c9d8b2/dist/Android.mk
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if super::android_target() {
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cfg.flag("-DSQLITE_TEMP_STORE=3");
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}
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if cfg!(feature = "with-asan") {
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cfg.flag("-fsanitize=address");
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}
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// If explicitly requested: enable static linking against the Microsoft Visual
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// C++ Runtime to avoid dependencies on vcruntime140.dll and similar libraries.
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if cfg!(target_feature = "crt-static") && is_compiler("msvc") {
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cfg.static_crt(true);
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}
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// Older versions of visual studio don't support c99 (including isnan), which
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// causes a build failure when the linker fails to find the `isnan`
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// function. `sqlite` provides its own implementation, using the fact
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// that x != x when x is NaN.
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//
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// There may be other platforms that don't support `isnan`, they should be
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// tested for here.
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if is_compiler("msvc") {
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use cc::windows_registry::{find_vs_version, VsVers};
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let vs_has_nan = match find_vs_version() {
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Ok(ver) => ver != VsVers::Vs12,
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Err(_msg) => false,
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};
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if vs_has_nan {
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cfg.flag("-DHAVE_ISNAN");
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}
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} else {
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cfg.flag("-DHAVE_ISNAN");
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}
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if !win_target() {
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cfg.flag("-DHAVE_LOCALTIME_R");
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}
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// Target wasm32-wasi can't compile the default VFS
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if is_compiler("wasm32-wasi") {
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cfg.flag("-DSQLITE_OS_OTHER")
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// https://github.com/rust-lang/rust/issues/74393
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.flag("-DLONGDOUBLE_TYPE=double");
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if cfg!(feature = "wasm32-wasi-vfs") {
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cfg.file("sqlite3/wasm32-wasi-vfs.c");
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}
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}
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if cfg!(feature = "unlock_notify") {
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cfg.flag("-DSQLITE_ENABLE_UNLOCK_NOTIFY");
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}
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if cfg!(feature = "preupdate_hook") {
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cfg.flag("-DSQLITE_ENABLE_PREUPDATE_HOOK");
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}
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if cfg!(feature = "session") {
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cfg.flag("-DSQLITE_ENABLE_SESSION");
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}
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if let Ok(limit) = env::var("SQLITE_MAX_VARIABLE_NUMBER") {
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cfg.flag(&format!("-DSQLITE_MAX_VARIABLE_NUMBER={limit}"));
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}
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println!("cargo:rerun-if-env-changed=SQLITE_MAX_VARIABLE_NUMBER");
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if let Ok(limit) = env::var("SQLITE_MAX_EXPR_DEPTH") {
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cfg.flag(&format!("-DSQLITE_MAX_EXPR_DEPTH={limit}"));
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}
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println!("cargo:rerun-if-env-changed=SQLITE_MAX_EXPR_DEPTH");
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if let Ok(extras) = env::var("LIBSQLITE3_FLAGS") {
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for extra in extras.split_whitespace() {
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if extra.starts_with("-D") || extra.starts_with("-U") {
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cfg.flag(extra);
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} else if extra.starts_with("SQLITE_") {
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cfg.flag(&format!("-D{extra}"));
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} else {
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panic!("Don't understand {} in LIBSQLITE3_FLAGS", extra);
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}
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}
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}
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println!("cargo:rerun-if-env-changed=LIBSQLITE3_FLAGS");
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cfg.compile(lib_name);
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println!("cargo:lib_dir={out_dir}");
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}
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fn env(name: &str) -> Option<OsString> {
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let prefix = env::var("TARGET").unwrap().to_uppercase().replace('-', "_");
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let prefixed = format!("{prefix}_{name}");
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let var = env::var_os(prefixed);
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match var {
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None => env::var_os(name),
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_ => var,
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}
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}
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fn find_openssl_dir(_host: &str, _target: &str) -> Option<PathBuf> {
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let openssl_dir = env("OPENSSL_DIR");
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openssl_dir.map(PathBuf::from)
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}
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}
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fn env_prefix() -> &'static str {
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if cfg!(any(feature = "sqlcipher", feature = "bundled-sqlcipher")) {
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"SQLCIPHER"
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} else {
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"SQLITE3"
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}
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}
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fn lib_name() -> &'static str {
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if cfg!(any(feature = "sqlcipher", feature = "bundled-sqlcipher")) {
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"sqlcipher"
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} else if cfg!(all(windows, feature = "winsqlite3")) {
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"winsqlite3"
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} else {
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"sqlite3"
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}
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}
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pub enum HeaderLocation {
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FromEnvironment,
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Wrapper,
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FromPath(String),
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}
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impl From<HeaderLocation> for String {
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fn from(header: HeaderLocation) -> String {
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match header {
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HeaderLocation::FromEnvironment => {
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let prefix = env_prefix();
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let mut header = env::var(format!("{prefix}_INCLUDE_DIR")).unwrap_or_else(|_| {
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panic!(
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"{}_INCLUDE_DIR must be set if {}_LIB_DIR is set",
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prefix, prefix
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)
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});
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header.push_str("/sqlite3.h");
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header
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}
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HeaderLocation::Wrapper => "wrapper.h".into(),
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HeaderLocation::FromPath(path) => path,
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}
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}
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}
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mod build_linked {
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#[cfg(feature = "vcpkg")]
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extern crate vcpkg;
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use super::{bindings, env_prefix, is_compiler, lib_name, win_target, HeaderLocation};
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use std::env;
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use std::path::Path;
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pub fn main(_out_dir: &str, out_path: &Path) {
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let header = find_sqlite();
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if (cfg!(any(
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feature = "bundled_bindings",
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feature = "bundled",
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feature = "bundled-sqlcipher"
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)) || (win_target() && cfg!(feature = "bundled-windows")))
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&& !cfg!(feature = "buildtime_bindgen")
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{
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// Generally means the `bundled_bindings` feature is enabled.
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// Most users are better off with turning
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// on buildtime_bindgen instead, but this is still supported as we
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// have runtime version checks and there are good reasons to not
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// want to run bindgen.
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std::fs::copy(
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format!("{}/bindgen_bundled_version.rs", lib_name()),
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out_path,
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)
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.expect("Could not copy bindings to output directory");
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} else {
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bindings::write_to_out_dir(header, out_path);
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}
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}
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fn find_link_mode() -> &'static str {
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// If the user specifies SQLITE3_STATIC (or SQLCIPHER_STATIC), do static
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// linking, unless it's explicitly set to 0.
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match &env::var(format!("{}_STATIC", env_prefix())) {
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Ok(v) if v != "0" => "static",
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_ => "dylib",
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}
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}
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// Prints the necessary cargo link commands and returns the path to the header.
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fn find_sqlite() -> HeaderLocation {
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let link_lib = lib_name();
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println!("cargo:rerun-if-env-changed={}_INCLUDE_DIR", env_prefix());
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println!("cargo:rerun-if-env-changed={}_LIB_DIR", env_prefix());
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println!("cargo:rerun-if-env-changed={}_STATIC", env_prefix());
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if cfg!(feature = "vcpkg") && is_compiler("msvc") {
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println!("cargo:rerun-if-env-changed=VCPKGRS_DYNAMIC");
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}
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// dependents can access `DEP_SQLITE3_LINK_TARGET` (`sqlite3` being the
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// `links=` value in our Cargo.toml) to get this value. This might be
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// useful if you need to ensure whatever crypto library sqlcipher relies
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// on is available, for example.
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println!("cargo:link-target={link_lib}");
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if win_target() && cfg!(feature = "winsqlite3") {
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println!("cargo:rustc-link-lib=dylib={link_lib}");
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return HeaderLocation::Wrapper;
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}
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// Allow users to specify where to find SQLite.
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if let Ok(dir) = env::var(format!("{}_LIB_DIR", env_prefix())) {
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// Try to use pkg-config to determine link commands
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let pkgconfig_path = Path::new(&dir).join("pkgconfig");
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env::set_var("PKG_CONFIG_PATH", pkgconfig_path);
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if pkg_config::Config::new().probe(link_lib).is_err() {
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// Otherwise just emit the bare minimum link commands.
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println!("cargo:rustc-link-lib={}={link_lib}", find_link_mode());
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println!("cargo:rustc-link-search={dir}");
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}
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return HeaderLocation::FromEnvironment;
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}
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if let Some(header) = try_vcpkg() {
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return header;
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}
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// See if pkg-config can do everything for us.
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if let Ok(mut lib) = pkg_config::Config::new()
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.print_system_libs(false)
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.probe(link_lib)
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{
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if let Some(mut header) = lib.include_paths.pop() {
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header.push("sqlite3.h");
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HeaderLocation::FromPath(header.to_string_lossy().into())
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} else {
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HeaderLocation::Wrapper
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}
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} else {
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// No env var set and pkg-config couldn't help; just output the link-lib
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// request and hope that the library exists on the system paths. We used to
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// output /usr/lib explicitly, but that can introduce other linking problems;
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// see https://github.com/rusqlite/rusqlite/issues/207.
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println!("cargo:rustc-link-lib={}={link_lib}", find_link_mode());
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HeaderLocation::Wrapper
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}
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}
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fn try_vcpkg() -> Option<HeaderLocation> {
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if cfg!(feature = "vcpkg") && is_compiler("msvc") {
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// See if vcpkg can find it.
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if let Ok(mut lib) = vcpkg::Config::new().probe(lib_name()) {
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if let Some(mut header) = lib.include_paths.pop() {
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header.push("sqlite3.h");
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return Some(HeaderLocation::FromPath(header.to_string_lossy().into()));
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}
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|
}
|
|
None
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(not(feature = "buildtime_bindgen"))]
|
|
mod bindings {
|
|
#![allow(dead_code)]
|
|
use super::HeaderLocation;
|
|
|
|
use std::fs;
|
|
use std::path::Path;
|
|
|
|
static PREBUILT_BINDGEN_PATHS: &[&str] = &["bindgen-bindings/bindgen_3.14.0.rs"];
|
|
|
|
pub fn write_to_out_dir(_header: HeaderLocation, out_path: &Path) {
|
|
let in_path = PREBUILT_BINDGEN_PATHS[PREBUILT_BINDGEN_PATHS.len() - 1];
|
|
fs::copy(in_path, out_path).expect("Could not copy bindings to output directory");
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "buildtime_bindgen")]
|
|
mod bindings {
|
|
use super::HeaderLocation;
|
|
use bindgen::callbacks::{IntKind, ParseCallbacks};
|
|
|
|
use std::fs::OpenOptions;
|
|
use std::io::Write;
|
|
use std::path::Path;
|
|
|
|
use super::win_target;
|
|
|
|
#[derive(Debug)]
|
|
struct SqliteTypeChooser;
|
|
|
|
impl ParseCallbacks for SqliteTypeChooser {
|
|
fn int_macro(&self, _name: &str, value: i64) -> Option<IntKind> {
|
|
if value >= i32::MIN as i64 && value <= i32::MAX as i64 {
|
|
Some(IntKind::I32)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn item_name(&self, original_item_name: &str) -> Option<String> {
|
|
original_item_name
|
|
.strip_prefix("sqlite3_index_info_")
|
|
.map(|s| s.to_owned())
|
|
}
|
|
}
|
|
|
|
// Are we generating the bundled bindings? Used to avoid emitting things
|
|
// that would be problematic in bundled builds. This env var is set by
|
|
// `upgrade.sh`.
|
|
fn generating_bundled_bindings() -> bool {
|
|
// Hacky way to know if we're generating the bundled bindings
|
|
println!("cargo:rerun-if-env-changed=LIBSQLITE3_SYS_BUNDLING");
|
|
match std::env::var("LIBSQLITE3_SYS_BUNDLING") {
|
|
Ok(v) => v != "0",
|
|
Err(_) => false,
|
|
}
|
|
}
|
|
|
|
pub fn write_to_out_dir(header: HeaderLocation, out_path: &Path) {
|
|
let header: String = header.into();
|
|
let mut output = Vec::new();
|
|
let mut bindings = bindgen::builder()
|
|
.trust_clang_mangling(false)
|
|
.header(header.clone())
|
|
.parse_callbacks(Box::new(SqliteTypeChooser))
|
|
.blocklist_function("sqlite3_auto_extension")
|
|
.raw_line(
|
|
r#"extern "C" {
|
|
pub fn sqlite3_auto_extension(
|
|
xEntryPoint: ::std::option::Option<
|
|
unsafe extern "C" fn(
|
|
db: *mut sqlite3,
|
|
pzErrMsg: *mut *const ::std::os::raw::c_char,
|
|
pThunk: *const sqlite3_api_routines,
|
|
) -> ::std::os::raw::c_int,
|
|
>,
|
|
) -> ::std::os::raw::c_int;
|
|
}"#,
|
|
)
|
|
.blocklist_function("sqlite3_cancel_auto_extension")
|
|
.raw_line(
|
|
r#"extern "C" {
|
|
pub fn sqlite3_cancel_auto_extension(
|
|
xEntryPoint: ::std::option::Option<
|
|
unsafe extern "C" fn(
|
|
db: *mut sqlite3,
|
|
pzErrMsg: *mut *const ::std::os::raw::c_char,
|
|
pThunk: *const sqlite3_api_routines,
|
|
) -> ::std::os::raw::c_int,
|
|
>,
|
|
) -> ::std::os::raw::c_int;
|
|
}"#,
|
|
)
|
|
.rustfmt_bindings(true);
|
|
|
|
if cfg!(any(feature = "sqlcipher", feature = "bundled-sqlcipher")) {
|
|
bindings = bindings.clang_arg("-DSQLITE_HAS_CODEC");
|
|
}
|
|
if cfg!(feature = "unlock_notify") {
|
|
bindings = bindings.clang_arg("-DSQLITE_ENABLE_UNLOCK_NOTIFY");
|
|
}
|
|
if cfg!(feature = "preupdate_hook") {
|
|
bindings = bindings.clang_arg("-DSQLITE_ENABLE_PREUPDATE_HOOK");
|
|
}
|
|
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
|
|
// amalgamated `sqlite.h`: `stdarg.h`.
|
|
//
|
|
// Thankfully, there's almost no case where rust code needs to use
|
|
// functions taking `va_list` (It's nearly impossible to get a `va_list`
|
|
// in Rust unless you get passed it by C code for some reason).
|
|
//
|
|
// Arguably, we should never be including these, but we include them for
|
|
// the cases where they aren't totally broken...
|
|
let target_arch = std::env::var("TARGET").unwrap();
|
|
let host_arch = std::env::var("HOST").unwrap();
|
|
let is_cross_compiling = target_arch != host_arch;
|
|
|
|
// Note that when generating the bundled file, we're essentially always
|
|
// cross compiling.
|
|
if generating_bundled_bindings() || is_cross_compiling {
|
|
// Get rid of va_list, as it's not
|
|
bindings = bindings
|
|
.blocklist_function("sqlite3_vmprintf")
|
|
.blocklist_function("sqlite3_vsnprintf")
|
|
.blocklist_function("sqlite3_str_vappendf")
|
|
.blocklist_type("va_list")
|
|
.blocklist_type("__builtin_va_list")
|
|
.blocklist_type("__gnuc_va_list")
|
|
.blocklist_type("__va_list_tag")
|
|
.blocklist_item("__GNUC_VA_LIST");
|
|
}
|
|
|
|
bindings
|
|
.layout_tests(false)
|
|
.generate()
|
|
.unwrap_or_else(|_| panic!("could not run bindgen on header {}", header))
|
|
.write(Box::new(&mut output))
|
|
.expect("could not write output of bindgen");
|
|
let mut output = String::from_utf8(output).expect("bindgen output was not UTF-8?!");
|
|
|
|
// rusqlite's functions feature ors in the SQLITE_DETERMINISTIC flag when it
|
|
// can. This flag was added in SQLite 3.8.3, but oring it in in prior
|
|
// versions of SQLite is harmless. We don't want to not build just
|
|
// because this flag is missing (e.g., if we're linking against
|
|
// SQLite 3.7.x), so append the flag manually if it isn't present in bindgen's
|
|
// output.
|
|
if !output.contains("pub const SQLITE_DETERMINISTIC") {
|
|
output.push_str("\npub const SQLITE_DETERMINISTIC: i32 = 2048;\n");
|
|
}
|
|
|
|
let mut file = OpenOptions::new()
|
|
.write(true)
|
|
.truncate(true)
|
|
.create(true)
|
|
.open(out_path)
|
|
.unwrap_or_else(|_| panic!("Could not write to {:?}", out_path));
|
|
|
|
file.write_all(output.as_bytes())
|
|
.unwrap_or_else(|_| panic!("Could not write to {:?}", out_path));
|
|
}
|
|
}
|