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Diffstat (limited to 'vendor/cc/src/windows_registry.rs')
| -rw-r--r-- | vendor/cc/src/windows_registry.rs | 896 |
1 files changed, 0 insertions, 896 deletions
diff --git a/vendor/cc/src/windows_registry.rs b/vendor/cc/src/windows_registry.rs deleted file mode 100644 index 07a9c4d..0000000 --- a/vendor/cc/src/windows_registry.rs +++ /dev/null @@ -1,896 +0,0 @@ -// Copyright 2015 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -//! A helper module to probe the Windows Registry when looking for -//! windows-specific tools. - -use std::process::Command; - -use crate::Tool; -#[cfg(windows)] -use crate::ToolFamily; - -#[cfg(windows)] -const MSVC_FAMILY: ToolFamily = ToolFamily::Msvc { clang_cl: false }; - -/// Attempts to find a tool within an MSVC installation using the Windows -/// registry as a point to search from. -/// -/// The `target` argument is the target that the tool should work for (e.g. -/// compile or link for) and the `tool` argument is the tool to find (e.g. -/// `cl.exe` or `link.exe`). -/// -/// This function will return `None` if the tool could not be found, or it will -/// return `Some(cmd)` which represents a command that's ready to execute the -/// tool with the appropriate environment variables set. -/// -/// Note that this function always returns `None` for non-MSVC targets. -pub fn find(target: &str, tool: &str) -> Option<Command> { - find_tool(target, tool).map(|c| c.to_command()) -} - -/// Similar to the `find` function above, this function will attempt the same -/// operation (finding a MSVC tool in a local install) but instead returns a -/// `Tool` which may be introspected. -#[cfg(not(windows))] -pub fn find_tool(_target: &str, _tool: &str) -> Option<Tool> { - None -} - -/// Documented above. -#[cfg(windows)] -pub fn find_tool(target: &str, tool: &str) -> Option<Tool> { - // This logic is all tailored for MSVC, if we're not that then bail out - // early. - if !target.contains("msvc") { - return None; - } - - // Looks like msbuild isn't located in the same location as other tools like - // cl.exe and lib.exe. To handle this we probe for it manually with - // dedicated registry keys. - if tool.contains("msbuild") { - return impl_::find_msbuild(target); - } - - if tool.contains("devenv") { - return impl_::find_devenv(target); - } - - // Ok, if we're here, now comes the fun part of the probing. Default shells - // or shells like MSYS aren't really configured to execute `cl.exe` and the - // various compiler tools shipped as part of Visual Studio. Here we try to - // first find the relevant tool, then we also have to be sure to fill in - // environment variables like `LIB`, `INCLUDE`, and `PATH` to ensure that - // the tool is actually usable. - - return impl_::find_msvc_environment(tool, target) - .or_else(|| impl_::find_msvc_15plus(tool, target)) - .or_else(|| impl_::find_msvc_14(tool, target)) - .or_else(|| impl_::find_msvc_12(tool, target)) - .or_else(|| impl_::find_msvc_11(tool, target)); -} - -/// A version of Visual Studio -#[derive(Debug, PartialEq, Eq, Copy, Clone)] -#[non_exhaustive] -pub enum VsVers { - /// Visual Studio 12 (2013) - Vs12, - /// Visual Studio 14 (2015) - Vs14, - /// Visual Studio 15 (2017) - Vs15, - /// Visual Studio 16 (2019) - Vs16, - /// Visual Studio 17 (2022) - Vs17, -} - -/// Find the most recent installed version of Visual Studio -/// -/// This is used by the cmake crate to figure out the correct -/// generator. -#[cfg(not(windows))] -pub fn find_vs_version() -> Result<VsVers, String> { - Err("not windows".to_string()) -} - -/// Documented above -#[cfg(windows)] -pub fn find_vs_version() -> Result<VsVers, String> { - use std::env; - - match env::var("VisualStudioVersion") { - Ok(version) => match &version[..] { - "17.0" => Ok(VsVers::Vs17), - "16.0" => Ok(VsVers::Vs16), - "15.0" => Ok(VsVers::Vs15), - "14.0" => Ok(VsVers::Vs14), - "12.0" => Ok(VsVers::Vs12), - vers => Err(format!( - "\n\n\ - unsupported or unknown VisualStudio version: {}\n\ - if another version is installed consider running \ - the appropriate vcvars script before building this \ - crate\n\ - ", - vers - )), - }, - _ => { - // Check for the presence of a specific registry key - // that indicates visual studio is installed. - if impl_::has_msbuild_version("17.0") { - Ok(VsVers::Vs17) - } else if impl_::has_msbuild_version("16.0") { - Ok(VsVers::Vs16) - } else if impl_::has_msbuild_version("15.0") { - Ok(VsVers::Vs15) - } else if impl_::has_msbuild_version("14.0") { - Ok(VsVers::Vs14) - } else if impl_::has_msbuild_version("12.0") { - Ok(VsVers::Vs12) - } else { - Err(format!( - "\n\n\ - couldn't determine visual studio generator\n\ - if VisualStudio is installed, however, consider \ - running the appropriate vcvars script before building \ - this crate\n\ - " - )) - } - } - } -} - -#[cfg(windows)] -mod impl_ { - use crate::com; - use crate::registry::{RegistryKey, LOCAL_MACHINE}; - use crate::setup_config::SetupConfiguration; - use crate::vs_instances::{VsInstances, VswhereInstance}; - use std::convert::TryFrom; - use std::env; - use std::ffi::OsString; - use std::fs::File; - use std::io::Read; - use std::iter; - use std::mem; - use std::path::{Path, PathBuf}; - use std::process::Command; - use std::str::FromStr; - - use super::MSVC_FAMILY; - use crate::Tool; - - struct MsvcTool { - tool: PathBuf, - libs: Vec<PathBuf>, - path: Vec<PathBuf>, - include: Vec<PathBuf>, - } - - impl MsvcTool { - fn new(tool: PathBuf) -> MsvcTool { - MsvcTool { - tool: tool, - libs: Vec::new(), - path: Vec::new(), - include: Vec::new(), - } - } - - fn into_tool(self) -> Tool { - let MsvcTool { - tool, - libs, - path, - include, - } = self; - let mut tool = Tool::with_family(tool.into(), MSVC_FAMILY); - add_env(&mut tool, "LIB", libs); - add_env(&mut tool, "PATH", path); - add_env(&mut tool, "INCLUDE", include); - tool - } - } - - /// Checks to see if the `VSCMD_ARG_TGT_ARCH` environment variable matches the - /// given target's arch. Returns `None` if the variable does not exist. - #[cfg(windows)] - fn is_vscmd_target(target: &str) -> Option<bool> { - let vscmd_arch = env::var("VSCMD_ARG_TGT_ARCH").ok()?; - // Convert the Rust target arch to its VS arch equivalent. - let arch = match target.split("-").next() { - Some("x86_64") => "x64", - Some("aarch64") => "arm64", - Some("i686") | Some("i586") => "x86", - Some("thumbv7a") => "arm", - // An unrecognized arch. - _ => return Some(false), - }; - Some(vscmd_arch == arch) - } - - /// Attempt to find the tool using environment variables set by vcvars. - pub fn find_msvc_environment(tool: &str, target: &str) -> Option<Tool> { - // Early return if the environment doesn't contain a VC install. - if env::var_os("VCINSTALLDIR").is_none() { - return None; - } - let vs_install_dir = env::var_os("VSINSTALLDIR")?.into(); - - // If the vscmd target differs from the requested target then - // attempt to get the tool using the VS install directory. - if is_vscmd_target(target) == Some(false) { - // We will only get here with versions 15+. - tool_from_vs15plus_instance(tool, target, &vs_install_dir) - } else { - // Fallback to simply using the current environment. - env::var_os("PATH") - .and_then(|path| { - env::split_paths(&path) - .map(|p| p.join(tool)) - .find(|p| p.exists()) - }) - .map(|path| Tool::with_family(path.into(), MSVC_FAMILY)) - } - } - - fn find_msbuild_vs17(target: &str) -> Option<Tool> { - find_tool_in_vs16plus_path(r"MSBuild\Current\Bin\MSBuild.exe", target, "17") - } - - #[allow(bare_trait_objects)] - fn vs16plus_instances(target: &str, version: &'static str) -> Box<Iterator<Item = PathBuf>> { - let instances = if let Some(instances) = vs15plus_instances(target) { - instances - } else { - return Box::new(iter::empty()); - }; - Box::new(instances.into_iter().filter_map(move |instance| { - let installation_name = instance.installation_name()?; - if installation_name.starts_with(&format!("VisualStudio/{}.", version)) { - Some(instance.installation_path()?) - } else if installation_name.starts_with(&format!("VisualStudioPreview/{}.", version)) { - Some(instance.installation_path()?) - } else { - None - } - })) - } - - fn find_tool_in_vs16plus_path(tool: &str, target: &str, version: &'static str) -> Option<Tool> { - vs16plus_instances(target, version) - .filter_map(|path| { - let path = path.join(tool); - if !path.is_file() { - return None; - } - let mut tool = Tool::with_family(path, MSVC_FAMILY); - if target.contains("x86_64") { - tool.env.push(("Platform".into(), "X64".into())); - } - if target.contains("aarch64") { - tool.env.push(("Platform".into(), "ARM64".into())); - } - Some(tool) - }) - .next() - } - - fn find_msbuild_vs16(target: &str) -> Option<Tool> { - find_tool_in_vs16plus_path(r"MSBuild\Current\Bin\MSBuild.exe", target, "16") - } - - // In MSVC 15 (2017) MS once again changed the scheme for locating - // the tooling. Now we must go through some COM interfaces, which - // is super fun for Rust. - // - // Note that much of this logic can be found [online] wrt paths, COM, etc. - // - // [online]: https://blogs.msdn.microsoft.com/vcblog/2017/03/06/finding-the-visual-c-compiler-tools-in-visual-studio-2017/ - // - // Returns MSVC 15+ instances (15, 16 right now), the order should be consider undefined. - // - // However, on ARM64 this method doesn't work because VS Installer fails to register COM component on ARM64. - // Hence, as the last resort we try to use vswhere.exe to list available instances. - fn vs15plus_instances(target: &str) -> Option<VsInstances> { - vs15plus_instances_using_com().or_else(|| vs15plus_instances_using_vswhere(target)) - } - - fn vs15plus_instances_using_com() -> Option<VsInstances> { - com::initialize().ok()?; - - let config = SetupConfiguration::new().ok()?; - let enum_setup_instances = config.enum_all_instances().ok()?; - - Some(VsInstances::ComBased(enum_setup_instances)) - } - - fn vs15plus_instances_using_vswhere(target: &str) -> Option<VsInstances> { - let program_files_path: PathBuf = env::var("ProgramFiles(x86)") - .or_else(|_| env::var("ProgramFiles")) - .ok()? - .into(); - - let vswhere_path = - program_files_path.join(r"Microsoft Visual Studio\Installer\vswhere.exe"); - - if !vswhere_path.exists() { - return None; - } - - let arch = target.split('-').next().unwrap(); - let tools_arch = match arch { - "i586" | "i686" | "x86_64" => Some("x86.x64"), - "arm" | "thumbv7a" => Some("ARM"), - "aarch64" => Some("ARM64"), - _ => None, - }; - - let vswhere_output = Command::new(vswhere_path) - .args(&[ - "-latest", - "-products", - "*", - "-requires", - &format!("Microsoft.VisualStudio.Component.VC.Tools.{}", tools_arch?), - "-format", - "text", - "-nologo", - ]) - .stderr(std::process::Stdio::inherit()) - .output() - .ok()?; - - let vs_instances = - VsInstances::VswhereBased(VswhereInstance::try_from(&vswhere_output.stdout).ok()?); - - Some(vs_instances) - } - - // Inspired from official microsoft/vswhere ParseVersionString - // i.e. at most four u16 numbers separated by '.' - fn parse_version(version: &str) -> Option<Vec<u16>> { - version - .split('.') - .map(|chunk| u16::from_str(chunk).ok()) - .collect() - } - - pub fn find_msvc_15plus(tool: &str, target: &str) -> Option<Tool> { - let iter = vs15plus_instances(target)?; - iter.into_iter() - .filter_map(|instance| { - let version = parse_version(&instance.installation_version()?)?; - let instance_path = instance.installation_path()?; - let tool = tool_from_vs15plus_instance(tool, target, &instance_path)?; - Some((version, tool)) - }) - .max_by(|(a_version, _), (b_version, _)| a_version.cmp(b_version)) - .map(|(_version, tool)| tool) - } - - // While the paths to Visual Studio 2017's devenv and MSBuild could - // potentially be retrieved from the registry, finding them via - // SetupConfiguration has shown to be [more reliable], and is preferred - // according to Microsoft. To help head off potential regressions though, - // we keep the registry method as a fallback option. - // - // [more reliable]: https://github.com/rust-lang/cc-rs/pull/331 - fn find_tool_in_vs15_path(tool: &str, target: &str) -> Option<Tool> { - let mut path = match vs15plus_instances(target) { - Some(instances) => instances - .into_iter() - .filter_map(|instance| instance.installation_path()) - .map(|path| path.join(tool)) - .find(|ref path| path.is_file()), - None => None, - }; - - if path.is_none() { - let key = r"SOFTWARE\WOW6432Node\Microsoft\VisualStudio\SxS\VS7"; - path = LOCAL_MACHINE - .open(key.as_ref()) - .ok() - .and_then(|key| key.query_str("15.0").ok()) - .map(|path| PathBuf::from(path).join(tool)) - .and_then(|path| if path.is_file() { Some(path) } else { None }); - } - - path.map(|path| { - let mut tool = Tool::with_family(path, MSVC_FAMILY); - if target.contains("x86_64") { - tool.env.push(("Platform".into(), "X64".into())); - } - if target.contains("aarch64") { - tool.env.push(("Platform".into(), "ARM64".into())); - } - tool - }) - } - - fn tool_from_vs15plus_instance( - tool: &str, - target: &str, - instance_path: &PathBuf, - ) -> Option<Tool> { - let (root_path, bin_path, host_dylib_path, lib_path, include_path) = - vs15plus_vc_paths(target, instance_path)?; - let tool_path = bin_path.join(tool); - if !tool_path.exists() { - return None; - }; - - let mut tool = MsvcTool::new(tool_path); - tool.path.push(bin_path.clone()); - tool.path.push(host_dylib_path); - tool.libs.push(lib_path); - tool.include.push(include_path); - - if let Some((atl_lib_path, atl_include_path)) = atl_paths(target, &root_path) { - tool.libs.push(atl_lib_path); - tool.include.push(atl_include_path); - } - - add_sdks(&mut tool, target)?; - - Some(tool.into_tool()) - } - - fn vs15plus_vc_paths( - target: &str, - instance_path: &PathBuf, - ) -> Option<(PathBuf, PathBuf, PathBuf, PathBuf, PathBuf)> { - let version_path = - instance_path.join(r"VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt"); - let mut version_file = File::open(version_path).ok()?; - let mut version = String::new(); - version_file.read_to_string(&mut version).ok()?; - let version = version.trim(); - let host = match host_arch() { - X86 => "X86", - X86_64 => "X64", - // There is no natively hosted compiler on ARM64. - // Instead, use the x86 toolchain under emulation (there is no x64 emulation). - AARCH64 => "X86", - _ => return None, - }; - let target = lib_subdir(target)?; - // The directory layout here is MSVC/bin/Host$host/$target/ - let path = instance_path.join(r"VC\Tools\MSVC").join(version); - // This is the path to the toolchain for a particular target, running - // on a given host - let bin_path = path - .join("bin") - .join(&format!("Host{}", host)) - .join(&target); - // But! we also need PATH to contain the target directory for the host - // architecture, because it contains dlls like mspdb140.dll compiled for - // the host architecture. - let host_dylib_path = path - .join("bin") - .join(&format!("Host{}", host)) - .join(&host.to_lowercase()); - let lib_path = path.join("lib").join(&target); - let include_path = path.join("include"); - Some((path, bin_path, host_dylib_path, lib_path, include_path)) - } - - fn atl_paths(target: &str, path: &Path) -> Option<(PathBuf, PathBuf)> { - let atl_path = path.join("atlmfc"); - let sub = lib_subdir(target)?; - if atl_path.exists() { - Some((atl_path.join("lib").join(sub), atl_path.join("include"))) - } else { - None - } - } - - // For MSVC 14 we need to find the Universal CRT as well as either - // the Windows 10 SDK or Windows 8.1 SDK. - pub fn find_msvc_14(tool: &str, target: &str) -> Option<Tool> { - let vcdir = get_vc_dir("14.0")?; - let mut tool = get_tool(tool, &vcdir, target)?; - add_sdks(&mut tool, target)?; - Some(tool.into_tool()) - } - - fn add_sdks(tool: &mut MsvcTool, target: &str) -> Option<()> { - let sub = lib_subdir(target)?; - let (ucrt, ucrt_version) = get_ucrt_dir()?; - - let host = match host_arch() { - X86 => "x86", - X86_64 => "x64", - AARCH64 => "arm64", - _ => return None, - }; - - tool.path - .push(ucrt.join("bin").join(&ucrt_version).join(host)); - - let ucrt_include = ucrt.join("include").join(&ucrt_version); - tool.include.push(ucrt_include.join("ucrt")); - - let ucrt_lib = ucrt.join("lib").join(&ucrt_version); - tool.libs.push(ucrt_lib.join("ucrt").join(sub)); - - if let Some((sdk, version)) = get_sdk10_dir() { - tool.path.push(sdk.join("bin").join(host)); - let sdk_lib = sdk.join("lib").join(&version); - tool.libs.push(sdk_lib.join("um").join(sub)); - let sdk_include = sdk.join("include").join(&version); - tool.include.push(sdk_include.join("um")); - tool.include.push(sdk_include.join("cppwinrt")); - tool.include.push(sdk_include.join("winrt")); - tool.include.push(sdk_include.join("shared")); - } else if let Some(sdk) = get_sdk81_dir() { - tool.path.push(sdk.join("bin").join(host)); - let sdk_lib = sdk.join("lib").join("winv6.3"); - tool.libs.push(sdk_lib.join("um").join(sub)); - let sdk_include = sdk.join("include"); - tool.include.push(sdk_include.join("um")); - tool.include.push(sdk_include.join("winrt")); - tool.include.push(sdk_include.join("shared")); - } - - Some(()) - } - - // For MSVC 12 we need to find the Windows 8.1 SDK. - pub fn find_msvc_12(tool: &str, target: &str) -> Option<Tool> { - let vcdir = get_vc_dir("12.0")?; - let mut tool = get_tool(tool, &vcdir, target)?; - let sub = lib_subdir(target)?; - let sdk81 = get_sdk81_dir()?; - tool.path.push(sdk81.join("bin").join(sub)); - let sdk_lib = sdk81.join("lib").join("winv6.3"); - tool.libs.push(sdk_lib.join("um").join(sub)); - let sdk_include = sdk81.join("include"); - tool.include.push(sdk_include.join("shared")); - tool.include.push(sdk_include.join("um")); - tool.include.push(sdk_include.join("winrt")); - Some(tool.into_tool()) - } - - // For MSVC 11 we need to find the Windows 8 SDK. - pub fn find_msvc_11(tool: &str, target: &str) -> Option<Tool> { - let vcdir = get_vc_dir("11.0")?; - let mut tool = get_tool(tool, &vcdir, target)?; - let sub = lib_subdir(target)?; - let sdk8 = get_sdk8_dir()?; - tool.path.push(sdk8.join("bin").join(sub)); - let sdk_lib = sdk8.join("lib").join("win8"); - tool.libs.push(sdk_lib.join("um").join(sub)); - let sdk_include = sdk8.join("include"); - tool.include.push(sdk_include.join("shared")); - tool.include.push(sdk_include.join("um")); - tool.include.push(sdk_include.join("winrt")); - Some(tool.into_tool()) - } - - fn add_env(tool: &mut Tool, env: &str, paths: Vec<PathBuf>) { - let prev = env::var_os(env).unwrap_or(OsString::new()); - let prev = env::split_paths(&prev); - let new = paths.into_iter().chain(prev); - tool.env - .push((env.to_string().into(), env::join_paths(new).unwrap())); - } - - // Given a possible MSVC installation directory, we look for the linker and - // then add the MSVC library path. - fn get_tool(tool: &str, path: &Path, target: &str) -> Option<MsvcTool> { - bin_subdir(target) - .into_iter() - .map(|(sub, host)| { - ( - path.join("bin").join(sub).join(tool), - path.join("bin").join(host), - ) - }) - .filter(|&(ref path, _)| path.is_file()) - .map(|(path, host)| { - let mut tool = MsvcTool::new(path); - tool.path.push(host); - tool - }) - .filter_map(|mut tool| { - let sub = vc_lib_subdir(target)?; - tool.libs.push(path.join("lib").join(sub)); - tool.include.push(path.join("include")); - let atlmfc_path = path.join("atlmfc"); - if atlmfc_path.exists() { - tool.libs.push(atlmfc_path.join("lib").join(sub)); - tool.include.push(atlmfc_path.join("include")); - } - Some(tool) - }) - .next() - } - - // To find MSVC we look in a specific registry key for the version we are - // trying to find. - fn get_vc_dir(ver: &str) -> Option<PathBuf> { - let key = r"SOFTWARE\Microsoft\VisualStudio\SxS\VC7"; - let key = LOCAL_MACHINE.open(key.as_ref()).ok()?; - let path = key.query_str(ver).ok()?; - Some(path.into()) - } - - // To find the Universal CRT we look in a specific registry key for where - // all the Universal CRTs are located and then sort them asciibetically to - // find the newest version. While this sort of sorting isn't ideal, it is - // what vcvars does so that's good enough for us. - // - // Returns a pair of (root, version) for the ucrt dir if found - fn get_ucrt_dir() -> Option<(PathBuf, String)> { - let key = r"SOFTWARE\Microsoft\Windows Kits\Installed Roots"; - let key = LOCAL_MACHINE.open(key.as_ref()).ok()?; - let root = key.query_str("KitsRoot10").ok()?; - let readdir = Path::new(&root).join("lib").read_dir().ok()?; - let max_libdir = readdir - .filter_map(|dir| dir.ok()) - .map(|dir| dir.path()) - .filter(|dir| { - dir.components() - .last() - .and_then(|c| c.as_os_str().to_str()) - .map(|c| c.starts_with("10.") && dir.join("ucrt").is_dir()) - .unwrap_or(false) - }) - .max()?; - let version = max_libdir.components().last().unwrap(); - let version = version.as_os_str().to_str().unwrap().to_string(); - Some((root.into(), version)) - } - - // Vcvars finds the correct version of the Windows 10 SDK by looking - // for the include `um\Windows.h` because sometimes a given version will - // only have UCRT bits without the rest of the SDK. Since we only care about - // libraries and not includes, we instead look for `um\x64\kernel32.lib`. - // Since the 32-bit and 64-bit libraries are always installed together we - // only need to bother checking x64, making this code a tiny bit simpler. - // Like we do for the Universal CRT, we sort the possibilities - // asciibetically to find the newest one as that is what vcvars does. - // Before doing that, we check the "WindowsSdkDir" and "WindowsSDKVersion" - // environment variables set by vcvars to use the environment sdk version - // if one is already configured. - fn get_sdk10_dir() -> Option<(PathBuf, String)> { - if let (Ok(root), Ok(version)) = (env::var("WindowsSdkDir"), env::var("WindowsSDKVersion")) - { - return Some((root.into(), version.trim_end_matches('\\').to_string())); - } - - let key = r"SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0"; - let key = LOCAL_MACHINE.open(key.as_ref()).ok()?; - let root = key.query_str("InstallationFolder").ok()?; - let readdir = Path::new(&root).join("lib").read_dir().ok()?; - let mut dirs = readdir - .filter_map(|dir| dir.ok()) - .map(|dir| dir.path()) - .collect::<Vec<_>>(); - dirs.sort(); - let dir = dirs - .into_iter() - .rev() - .filter(|dir| dir.join("um").join("x64").join("kernel32.lib").is_file()) - .next()?; - let version = dir.components().last().unwrap(); - let version = version.as_os_str().to_str().unwrap().to_string(); - Some((root.into(), version)) - } - - // Interestingly there are several subdirectories, `win7` `win8` and - // `winv6.3`. Vcvars seems to only care about `winv6.3` though, so the same - // applies to us. Note that if we were targeting kernel mode drivers - // instead of user mode applications, we would care. - fn get_sdk81_dir() -> Option<PathBuf> { - let key = r"SOFTWARE\Microsoft\Microsoft SDKs\Windows\v8.1"; - let key = LOCAL_MACHINE.open(key.as_ref()).ok()?; - let root = key.query_str("InstallationFolder").ok()?; - Some(root.into()) - } - - fn get_sdk8_dir() -> Option<PathBuf> { - let key = r"SOFTWARE\Microsoft\Microsoft SDKs\Windows\v8.0"; - let key = LOCAL_MACHINE.open(key.as_ref()).ok()?; - let root = key.query_str("InstallationFolder").ok()?; - Some(root.into()) - } - - const PROCESSOR_ARCHITECTURE_INTEL: u16 = 0; - const PROCESSOR_ARCHITECTURE_AMD64: u16 = 9; - const PROCESSOR_ARCHITECTURE_ARM64: u16 = 12; - const X86: u16 = PROCESSOR_ARCHITECTURE_INTEL; - const X86_64: u16 = PROCESSOR_ARCHITECTURE_AMD64; - const AARCH64: u16 = PROCESSOR_ARCHITECTURE_ARM64; - - // When choosing the tool to use, we have to choose the one which matches - // the target architecture. Otherwise we end up in situations where someone - // on 32-bit Windows is trying to cross compile to 64-bit and it tries to - // invoke the native 64-bit compiler which won't work. - // - // For the return value of this function, the first member of the tuple is - // the folder of the tool we will be invoking, while the second member is - // the folder of the host toolchain for that tool which is essential when - // using a cross linker. We return a Vec since on x64 there are often two - // linkers that can target the architecture we desire. The 64-bit host - // linker is preferred, and hence first, due to 64-bit allowing it more - // address space to work with and potentially being faster. - fn bin_subdir(target: &str) -> Vec<(&'static str, &'static str)> { - let arch = target.split('-').next().unwrap(); - match (arch, host_arch()) { - ("i586", X86) | ("i686", X86) => vec![("", "")], - ("i586", X86_64) | ("i686", X86_64) => vec![("amd64_x86", "amd64"), ("", "")], - ("x86_64", X86) => vec![("x86_amd64", "")], - ("x86_64", X86_64) => vec![("amd64", "amd64"), ("x86_amd64", "")], - ("arm", X86) | ("thumbv7a", X86) => vec![("x86_arm", "")], - ("arm", X86_64) | ("thumbv7a", X86_64) => vec![("amd64_arm", "amd64"), ("x86_arm", "")], - _ => vec![], - } - } - - fn lib_subdir(target: &str) -> Option<&'static str> { - let arch = target.split('-').next().unwrap(); - match arch { - "i586" | "i686" => Some("x86"), - "x86_64" => Some("x64"), - "arm" | "thumbv7a" => Some("arm"), - "aarch64" => Some("arm64"), - _ => None, - } - } - - // MSVC's x86 libraries are not in a subfolder - fn vc_lib_subdir(target: &str) -> Option<&'static str> { - let arch = target.split('-').next().unwrap(); - match arch { - "i586" | "i686" => Some(""), - "x86_64" => Some("amd64"), - "arm" | "thumbv7a" => Some("arm"), - "aarch64" => Some("arm64"), - _ => None, - } - } - - #[allow(bad_style)] - fn host_arch() -> u16 { - type DWORD = u32; - type WORD = u16; - type LPVOID = *mut u8; - type DWORD_PTR = usize; - - #[repr(C)] - struct SYSTEM_INFO { - wProcessorArchitecture: WORD, - _wReserved: WORD, - _dwPageSize: DWORD, - _lpMinimumApplicationAddress: LPVOID, - _lpMaximumApplicationAddress: LPVOID, - _dwActiveProcessorMask: DWORD_PTR, - _dwNumberOfProcessors: DWORD, - _dwProcessorType: DWORD, - _dwAllocationGranularity: DWORD, - _wProcessorLevel: WORD, - _wProcessorRevision: WORD, - } - - extern "system" { - fn GetNativeSystemInfo(lpSystemInfo: *mut SYSTEM_INFO); - } - - unsafe { - let mut info = mem::zeroed(); - GetNativeSystemInfo(&mut info); - info.wProcessorArchitecture - } - } - - // Given a registry key, look at all the sub keys and find the one which has - // the maximal numeric value. - // - // Returns the name of the maximal key as well as the opened maximal key. - fn max_version(key: &RegistryKey) -> Option<(OsString, RegistryKey)> { - let mut max_vers = 0; - let mut max_key = None; - for subkey in key.iter().filter_map(|k| k.ok()) { - let val = subkey - .to_str() - .and_then(|s| s.trim_left_matches("v").replace(".", "").parse().ok()); - let val = match val { - Some(s) => s, - None => continue, - }; - if val > max_vers { - if let Ok(k) = key.open(&subkey) { - max_vers = val; - max_key = Some((subkey, k)); - } - } - } - max_key - } - - pub fn has_msbuild_version(version: &str) -> bool { - match version { - "17.0" => { - find_msbuild_vs17("x86_64-pc-windows-msvc").is_some() - || find_msbuild_vs17("i686-pc-windows-msvc").is_some() - || find_msbuild_vs17("aarch64-pc-windows-msvc").is_some() - } - "16.0" => { - find_msbuild_vs16("x86_64-pc-windows-msvc").is_some() - || find_msbuild_vs16("i686-pc-windows-msvc").is_some() - || find_msbuild_vs16("aarch64-pc-windows-msvc").is_some() - } - "15.0" => { - find_msbuild_vs15("x86_64-pc-windows-msvc").is_some() - || find_msbuild_vs15("i686-pc-windows-msvc").is_some() - || find_msbuild_vs15("aarch64-pc-windows-msvc").is_some() - } - "12.0" | "14.0" => LOCAL_MACHINE - .open(&OsString::from(format!( - "SOFTWARE\\Microsoft\\MSBuild\\ToolsVersions\\{}", - version - ))) - .is_ok(), - _ => false, - } - } - - pub fn find_devenv(target: &str) -> Option<Tool> { - find_devenv_vs15(&target) - } - - fn find_devenv_vs15(target: &str) -> Option<Tool> { - find_tool_in_vs15_path(r"Common7\IDE\devenv.exe", target) - } - - // see http://stackoverflow.com/questions/328017/path-to-msbuild - pub fn find_msbuild(target: &str) -> Option<Tool> { - // VS 15 (2017) changed how to locate msbuild - if let Some(r) = find_msbuild_vs17(target) { - return Some(r); - } else if let Some(r) = find_msbuild_vs16(target) { - return Some(r); - } else if let Some(r) = find_msbuild_vs15(target) { - return Some(r); - } else { - find_old_msbuild(target) - } - } - - fn find_msbuild_vs15(target: &str) -> Option<Tool> { - find_tool_in_vs15_path(r"MSBuild\15.0\Bin\MSBuild.exe", target) - } - - fn find_old_msbuild(target: &str) -> Option<Tool> { - let key = r"SOFTWARE\Microsoft\MSBuild\ToolsVersions"; - LOCAL_MACHINE - .open(key.as_ref()) - .ok() - .and_then(|key| { - max_version(&key).and_then(|(_vers, key)| key.query_str("MSBuildToolsPath").ok()) - }) - .map(|path| { - let mut path = PathBuf::from(path); - path.push("MSBuild.exe"); - let mut tool = Tool::with_family(path, MSVC_FAMILY); - if target.contains("x86_64") { - tool.env.push(("Platform".into(), "X64".into())); - } - tool - }) - } -} |