Revert to rc7 behaviour

This commit is contained in:
lazymio 2022-04-30 11:07:23 +02:00
parent 95d72e2db3
commit b9e7c78ae8
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GPG Key ID: DFF27E34A47CB873
2 changed files with 37 additions and 25 deletions

View File

@ -34,11 +34,12 @@ bitflags = "1.3"
libc = "0.2"
[build-dependencies]
cc = { version = "1.0" }
cmake = { version = "0.1" }
pkg-config = { version = "0.3" }
cc = { optional = true, version = "1.0" }
cmake = { optional = true, version = "0.1" }
pkg-config = { optional = true, version = "0.3" }
[features]
default = []
build_unicorn_cmake = []
default = ["use_system_unicorn"]
build_unicorn_cmake = ["cc", "cmake"]
use_system_unicorn = ["pkg-config"]
dynamic_linkage = []

View File

@ -1,16 +1,23 @@
#[cfg(feature = "use_system_unicorn")]
use pkg_config;
#[cfg(feature = "build_unicorn_cmake")]
use std::env;
#[cfg(feature = "build_unicorn_cmake")]
use std::path::PathBuf;
#[cfg(feature = "build_unicorn_cmake")]
use std::process::Command;
#[cfg(all(feature = "build_unicorn_cmake"))]
fn ninja_available() -> bool {
Command::new("ninja").arg("--version").spawn().is_ok()
}
#[cfg(all(feature = "build_unicorn_cmake"))]
fn msvc_cmake_tools_available() -> bool {
Command::new("cmake").arg("--version").spawn().is_ok() && ninja_available()
}
#[cfg(all(feature = "build_unicorn_cmake"))]
fn setup_env_msvc(compiler: &cc::Tool) {
// If PATH already contains what we need, skip this
if msvc_cmake_tools_available() {
@ -60,6 +67,7 @@ fn setup_env_msvc(compiler: &cc::Tool) {
}
}
#[cfg(feature = "build_unicorn_cmake")]
fn build_with_cmake() {
let uc_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
let compiler = cc::Build::new().get_compiler();
@ -84,12 +92,6 @@ fn build_with_cmake() {
config.generator("Ninja");
}
if !cfg!(feature = "dynamic_linkage") {
config.define("BUILD_SHARED_LIBS", "OFF");
} else {
config.define("BUILD_SHARED_LIBS", "ON");
}
// need to clear build target and append "build" to the path because
// unicorn's CMakeLists.txt doesn't properly support 'install', so we use
// the build artifacts from the build directory, which cmake crate sets
@ -104,12 +106,11 @@ fn build_with_cmake() {
dst.join("build").display()
);
// Lazymio(@wtdcode): Dynamic linkage might not work with local installation.
// See: https://github.com/rust-lang/cargo/issues/5077
if !cfg!(feature = "dynamic_linkage") {
println!("cargo:rustc-link-lib=static=unicorn");
} else {
// Lazymio(@wtdcode): Dynamic link may break. See: https://github.com/rust-lang/cargo/issues/5077
if cfg!(feature = "dynamic_linkage") {
println!("cargo:rustc-link-lib=dylib=unicorn");
} else {
println!("cargo:rustc-link-lib=static=unicorn");
}
if !compiler.is_like_msvc() {
println!("cargo:rustc-link-lib=pthread");
@ -118,15 +119,25 @@ fn build_with_cmake() {
}
fn main() {
if cfg!(feature = "build_unicorn_cmake") {
build_with_cmake();
if cfg!(feature = "use_system_unicorn") {
#[cfg(feature = "use_system_unicorn")]
{
let lib = pkg_config::Config::new().atleast_version("2").cargo_metadata(false)
.probe("unicorn").expect("Fail to find globally installed unicorn");
for dir in lib.link_paths {
println!("cargo:rustc-link-search=native={}", dir.to_str().unwrap());
}
if cfg!(feature = "dynamic_linkage") {
println!("cargo:rustc-link-lib=dylib=unicorn");
} else {
println!("cargo:rustc-link-arg=-Wl,-allow-multiple-definition");
println!("cargo:rustc-link-lib=static=unicorn");
println!("cargo:rustc-link-lib=pthread");
println!("cargo:rustc-link-lib=m");
}
}
} else {
let mut config = pkg_config::Config::new();
if !cfg!(feature = "dynamic_linkage") {
config.statik(true);
}
if !config.atleast_version("2").probe("unicorn").is_ok() {
build_with_cmake();
}
#[cfg(feature = "build_unicorn_cmake")]
build_with_cmake();
}
}