Reform version checking logic
Rather than having an infinitely growing set of things to look for, just grab the literal version out. We also provide that to downstream crates, and it should be used rather than the random assortment of other stuff that's also passed down.
This commit is contained in:
Steven Fackler
parent
24ece94e99
commit
03a4c6bd26
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@ -9,7 +9,6 @@ use std::ffi::OsString;
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use std::fs::File;
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use std::io::{BufWriter, Write};
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use std::path::{Path, PathBuf};
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use std::panic::{self, AssertUnwindSafe};
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use std::process::Command;
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// The set of `OPENSSL_NO_<FOO>`s that we care about.
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@ -326,42 +325,13 @@ fn validate_headers(include_dirs: &[PathBuf]) -> Version {
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#include <openssl/opensslv.h>
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#include <openssl/opensslconf.h>
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#if LIBRESSL_VERSION_NUMBER >= 0x20800000
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RUST_LIBRESSL_NEW
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#elif LIBRESSL_VERSION_NUMBER >= 0x20700000
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RUST_LIBRESSL_27X
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#elif LIBRESSL_VERSION_NUMBER >= 0x20603000
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RUST_LIBRESSL_26X
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#elif LIBRESSL_VERSION_NUMBER >= 0x20602000
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RUST_LIBRESSL_262
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#elif LIBRESSL_VERSION_NUMBER >= 0x20601000
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RUST_LIBRESSL_261
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#elif LIBRESSL_VERSION_NUMBER >= 0x20600000
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RUST_LIBRESSL_260
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#elif LIBRESSL_VERSION_NUMBER >= 0x20503000
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RUST_LIBRESSL_25X
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#elif LIBRESSL_VERSION_NUMBER >= 0x20502000
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RUST_LIBRESSL_252
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#elif LIBRESSL_VERSION_NUMBER >= 0x20501000
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RUST_LIBRESSL_251
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#elif LIBRESSL_VERSION_NUMBER >= 0x20500000
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RUST_LIBRESSL_250
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#elif defined (LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20500000
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RUST_LIBRESSL_OLD
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#elif OPENSSL_VERSION_NUMBER >= 0x10102000
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RUST_OPENSSL_NEW
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#elif OPENSSL_VERSION_NUMBER >= 0x10101000
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RUST_OPENSSL_111
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#elif OPENSSL_VERSION_NUMBER >= 0x10100060
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RUST_OPENSSL_110F
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#elif OPENSSL_VERSION_NUMBER >= 0x10100000
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RUST_OPENSSL_110
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#elif OPENSSL_VERSION_NUMBER >= 0x10002000
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RUST_OPENSSL_102
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#elif OPENSSL_VERSION_NUMBER >= 0x10001000
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RUST_OPENSSL_101
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#else
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RUST_OPENSSL_OLD
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#define VERSION2(n, v) RUST_VERSION_ ## n ## _ ## v
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#define VERSION(n, v) VERSION2(n, v)
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VERSION(OPENSSL, OPENSSL_VERSION_NUMBER)
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#ifdef LIBRESSL_VERSION_NUMBER
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VERSION(LIBRESSL, LIBRESSL_VERSION_NUMBER)
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#endif
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"
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).unwrap();
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@ -371,7 +341,7 @@ RUST_OPENSSL_OLD
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file,
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"\
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#ifdef {define}
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RUST_{define}_RUST
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RUST_CONF_{define}
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#endif
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",
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define = define
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@ -386,11 +356,14 @@ RUST_{define}_RUST
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gcc.include(include_dir);
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}
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// https://github.com/alexcrichton/gcc-rs/issues/133
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let expanded = match panic::catch_unwind(AssertUnwindSafe(|| gcc.file(&path).expand())) {
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let expanded = match gcc.file(&path).try_expand() {
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Ok(expanded) => expanded,
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Err(_) => {
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Err(e) => {
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panic!(
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"
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Header expansion error:
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{:?}
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Failed to find OpenSSL development headers.
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You can try fixing this setting the `OPENSSL_DIR` environment variable
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@ -407,108 +380,98 @@ specific to your distribution:
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See rust-openssl README for more information:
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https://github.com/sfackler/rust-openssl#linux
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"
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",
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e
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);
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}
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};
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let expanded = String::from_utf8(expanded).unwrap();
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let mut enabled = vec![];
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for &define in DEFINES {
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if expanded.contains(&format!("RUST_{}_RUST", define)) {
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println!("cargo:rustc-cfg=osslconf=\"{}\"", define);
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enabled.push(define);
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let mut openssl_version = None;
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let mut libressl_version = None;
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for line in expanded.lines() {
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let line = line.trim();
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let openssl_prefix = "RUST_VERSION_OPENSSL_";
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let libressl_prefix = "RUST_VERSION_LIBRESSL_";
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let conf_prefix = "RUST_CONF_";
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if line.starts_with(openssl_prefix) {
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let version = &line[openssl_prefix.len()..];
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openssl_version = Some(parse_version(version));
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} else if line.starts_with(libressl_prefix) {
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let version = &line[libressl_prefix.len()..];
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libressl_version = Some(parse_version(version));
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} else if line.starts_with(conf_prefix) {
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enabled.push(&line[conf_prefix.len()..]);
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}
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}
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for enabled in &enabled {
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println!("cargo:rustc-cfg=osslconf=\"{}\"", enabled);
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}
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println!("cargo:conf={}", enabled.join(","));
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if expanded.contains("RUST_LIBRESSL_250") {
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if let Some(libressl_version) = libressl_version {
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println!("cargo:libressl_version_number={:x}", libressl_version);
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let minor = (libressl_version >> 20) as u8;
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let fix = (libressl_version >> 12) as u8;
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let (minor, fix) = match (minor, fix) {
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(5, 0) => ('5', '0'),
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(5, 1) => ('5', '1'),
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(5, 2) => ('5', '2'),
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(5, _) => ('5', 'x'),
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(6, 0) => ('6', '0'),
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(6, 1) => ('6', '1'),
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(6, 2) => ('6', '2'),
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(6, _) => ('6', 'x'),
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(7, _) => ('7', 'x'),
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_ => version_error(),
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};
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println!("cargo:rustc-cfg=libressl");
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println!("cargo:rustc-cfg=libressl250");
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println!("cargo:rustc-cfg=libressl2{}{}", minor, fix);
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println!("cargo:libressl=true");
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println!("cargo:libressl_version=250");
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println!("cargo:libressl_version=2{}{}", minor, fix);
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println!("cargo:version=101");
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Version::Libressl
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} else if expanded.contains("RUST_LIBRESSL_251") {
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println!("cargo:rustc-cfg=libressl");
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println!("cargo:rustc-cfg=libressl251");
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println!("cargo:libressl=true");
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println!("cargo:libressl_version=251");
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println!("cargo:version=101");
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Version::Libressl
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} else if expanded.contains("RUST_LIBRESSL_252") {
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println!("cargo:rustc-cfg=libressl");
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println!("cargo:rustc-cfg=libressl252");
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println!("cargo:libressl=true");
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println!("cargo:libressl_version=252");
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println!("cargo:version=101");
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Version::Libressl
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} else if expanded.contains("RUST_LIBRESSL_25X") {
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println!("cargo:rustc-cfg=libressl");
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println!("cargo:rustc-cfg=libressl25x");
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println!("cargo:libressl=true");
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println!("cargo:libressl_version=25x");
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println!("cargo:version=101");
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Version::Libressl
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} else if expanded.contains("RUST_LIBRESSL_260") {
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println!("cargo:rustc-cfg=libressl");
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println!("cargo:rustc-cfg=libressl260");
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println!("cargo:libressl=true");
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println!("cargo:libressl_version=260");
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println!("cargo:version=101");
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Version::Libressl
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} else if expanded.contains("RUST_LIBRESSL_261") {
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println!("cargo:rustc-cfg=libressl");
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println!("cargo:rustc-cfg=libressl261");
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println!("cargo:libressl=true");
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println!("cargo:libressl_version=261");
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println!("cargo:version=101");
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Version::Libressl
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} else if expanded.contains("RUST_LIBRESSL_262") {
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println!("cargo:rustc-cfg=libressl");
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println!("cargo:rustc-cfg=libressl262");
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println!("cargo:libressl=true");
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println!("cargo:libressl_version=262");
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println!("cargo:version=101");
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Version::Libressl
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} else if expanded.contains("RUST_LIBRESSL_26X") {
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println!("cargo:rustc-cfg=libressl");
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println!("cargo:rustc-cfg=libressl26x");
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println!("cargo:libressl=true");
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println!("cargo:libressl_version=26x");
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println!("cargo:version=101");
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Version::Libressl
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} else if expanded.contains("RUST_LIBRESSL_27X") {
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println!("cargo:rustc-cfg=libressl");
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println!("cargo:rustc-cfg=libressl27");
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println!("cargo:libressl=true");
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println!("cargo:libressl_version=27x");
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println!("cargo:version=101");
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Version::Libressl
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} else if expanded.contains("RUST_OPENSSL_111") {
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} else {
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let openssl_version = openssl_version.unwrap();
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println!("cargo:version_number={:x}", openssl_version);
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if openssl_version >= 0x1_01_02_00_0 {
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version_error()
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} else if openssl_version >= 0x1_01_01_00_0 {
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println!("cargo:rustc-cfg=ossl111");
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println!("cargo:rustc-cfg=ossl110");
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println!("cargo:version=111");
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Version::Openssl110
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} else if expanded.contains("RUST_OPENSSL_110F") {
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} else if openssl_version >= 0x1_01_00_06_0 {
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println!("cargo:rustc-cfg=ossl110");
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println!("cargo:rustc-cfg=ossl110f");
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println!("cargo:version=110");
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println!("cargo:patch=f");
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Version::Openssl110
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} else if expanded.contains("RUST_OPENSSL_110") {
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} else if openssl_version >= 0x1_01_00_00_0 {
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println!("cargo:rustc-cfg=ossl110");
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println!("cargo:version=110");
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Version::Openssl110
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} else if expanded.contains("RUST_OPENSSL_102") {
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} else if openssl_version >= 0x1_00_02_00_0 {
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println!("cargo:rustc-cfg=ossl102");
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println!("cargo:version=102");
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Version::Openssl102
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} else if expanded.contains("RUST_OPENSSL_101") {
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} else if openssl_version >= 0x1_00_01_00_0 {
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println!("cargo:rustc-cfg=ossl101");
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println!("cargo:version=101");
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Version::Openssl101
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} else {
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version_error()
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}
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}
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}
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fn version_error() -> ! {
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panic!(
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"
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@ -518,7 +481,21 @@ due to this version mismatch.
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"
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);
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}
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}
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// parses a string that looks like "0x100020cfL"
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fn parse_version(version: &str) -> u64 {
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// cut off the 0x prefix
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assert!(version.starts_with("0x"));
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let version = &version[2..];
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// and the type specifier suffix
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let version = version.trim_right_matches(|c: char| match c {
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'0'...'9' | 'a'...'f' | 'A'...'F' => false,
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_ => true,
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});
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u64::from_str_radix(version, 16).unwrap()
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}
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/// Given a libdir for OpenSSL (where artifacts are located) as well as the name
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@ -5,8 +5,8 @@
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extern crate libc;
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use libc::{c_char, c_int, c_long, c_uchar, c_uint, c_ulong, c_void, size_t, FILE};
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use std::ptr;
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use std::mem;
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use std::ptr;
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#[cfg(any(ossl101, ossl102))]
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mod ossl10x;
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@ -1277,14 +1277,14 @@ pub const SSL_VERIFY_NONE: c_int = 0;
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pub const SSL_VERIFY_PEER: c_int = 1;
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pub const SSL_VERIFY_FAIL_IF_NO_PEER_CERT: c_int = 2;
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#[cfg(not(any(libressl261, libressl262, libressl26x, libressl27, ossl101)))]
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#[cfg(not(any(libressl261, libressl262, libressl26x, libressl27x, ossl101)))]
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pub const SSL_OP_TLSEXT_PADDING: c_ulong = 0x00000010;
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#[cfg(any(libressl261, libressl262, libressl26x, libressl27))]
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#[cfg(any(libressl261, libressl262, libressl26x, libressl27x))]
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pub const SSL_OP_TLSEXT_PADDING: c_ulong = 0x0;
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pub const SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS: c_ulong = 0x00000800;
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#[cfg(not(any(libressl261, libressl262, libressl26x, libressl27)))]
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#[cfg(not(any(libressl261, libressl262, libressl26x, libressl27x)))]
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pub const SSL_OP_CRYPTOPRO_TLSEXT_BUG: c_ulong = 0x80000000;
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#[cfg(any(libressl261, libressl262, libressl26x, libressl27))]
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#[cfg(any(libressl261, libressl262, libressl26x, libressl27x))]
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pub const SSL_OP_CRYPTOPRO_TLSEXT_BUG: c_ulong = 0x0;
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pub const SSL_OP_LEGACY_SERVER_CONNECT: c_ulong = 0x00000004;
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#[cfg(not(libressl))]
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@ -1,7 +1,7 @@
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use std::sync::{Mutex, MutexGuard};
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use std::sync::{Once, ONCE_INIT};
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use std::mem;
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use std::ptr;
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use std::sync::{Mutex, MutexGuard};
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use std::sync::{Once, ONCE_INIT};
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#[cfg(libressl250)]
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pub use libressl::v250::*;
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@ -337,9 +337,9 @@ pub const SSL_CTRL_OPTIONS: c_int = 32;
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pub const SSL_CTRL_CLEAR_OPTIONS: c_int = 77;
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pub const SSL_CTRL_SET_ECDH_AUTO: c_int = 94;
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#[cfg(any(libressl261, libressl262, libressl26x, libressl27))]
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#[cfg(any(libressl261, libressl262, libressl26x, libressl27x))]
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pub const SSL_OP_ALL: c_ulong = 0x4;
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#[cfg(not(any(libressl261, libressl262, libressl26x, libressl27)))]
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#[cfg(not(any(libressl261, libressl262, libressl26x, libressl27x)))]
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pub const SSL_OP_ALL: c_ulong = 0x80000014;
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pub const SSL_OP_CISCO_ANYCONNECT: c_ulong = 0x0;
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pub const SSL_OP_NO_COMPRESSION: c_ulong = 0x0;
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@ -352,9 +352,9 @@ pub const SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER: c_ulong = 0x0;
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pub const SSL_OP_SSLEAY_080_CLIENT_DH_BUG: c_ulong = 0x0;
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pub const SSL_OP_TLS_D5_BUG: c_ulong = 0x0;
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pub const SSL_OP_TLS_BLOCK_PADDING_BUG: c_ulong = 0x0;
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#[cfg(any(libressl261, libressl262, libressl26x, libressl27))]
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#[cfg(any(libressl261, libressl262, libressl26x, libressl27x))]
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pub const SSL_OP_SINGLE_ECDH_USE: c_ulong = 0x0;
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#[cfg(not(any(libressl261, libressl262, libressl26x, libressl27)))]
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#[cfg(not(any(libressl261, libressl262, libressl26x, libressl27x)))]
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pub const SSL_OP_SINGLE_ECDH_USE: c_ulong = 0x00080000;
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pub const SSL_OP_SINGLE_DH_USE: c_ulong = 0x00100000;
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pub const SSL_OP_NO_SSLv2: c_ulong = 0x0;
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