use std::env;
use std::env::consts;
use std::path::Path;
fn main() {
if let Ok(include_dir) = env::var("LCMS2_INCLUDE_DIR") {
println!("cargo:include={}", include_dir);
}
if let Some(lib_dir) = env::var_os("LCMS2_LIB_DIR") {
let lib_dir = Path::new(&lib_dir);
let dylib_name = format!("{}lcms2{}", consts::DLL_PREFIX, consts::DLL_SUFFIX);
if [&dylib_name, "liblcms2.a", "lcms2.so", "lcms2.lib"].iter().any(|file| lib_dir.join(file).exists()) {
println!("cargo:rustc-link-search=native={}", lib_dir.display());
println!("cargo:rustc-link-lib=lcms2");
return;
}
println!("cargo:warning=LCMS2_LIB_DIR path ({}) did not contain {dylib_name}", lib_dir.display());
}
let requires_static_only = cfg!(feature = "static") || env::var("LCMS2_STATIC").is_ok();
if requires_static_only || (!configure_pkg_config() && cfg!(feature = "static-fallback")) {
compile_static();
}
}
#[cfg(feature = "dynamic")]
fn configure_pkg_config() -> bool {
match pkg_config::probe_library("lcms2") {
Ok(info) => {
let joined_paths = std::env::join_paths(info.include_paths).ok().and_then(|p| p.into_string().ok());
if let Some(joined_paths) = joined_paths {
println!("cargo:include={joined_paths}");
true
} else {
println!("cargo:warning=got invalid include paths from pkg-config of lcms2");
false
}
},
Err(err) => {
println!("cargo:warning=pkg_config failed ({}). Falling back to static build.", err);
false
},
}
}
#[cfg(not(feature = "dynamic"))]
fn configure_pkg_config() -> bool {
false
}
#[cfg(not(any(feature = "static", feature = "static-fallback")))]
fn compile_static() {
println!("cargo:warning='static' feature of lcms2-sys is disabled, so the library won't be built, and probably won't work at all");
println!("cargo:rustc-link-lib=lcms2");
}
#[cfg(any(feature = "static", feature = "static-fallback"))]
fn compile_static() {
let mut cc = cc::Build::new();
cc.include("vendor/include")
.file("vendor/src/cmsalpha.c")
.file("vendor/src/cmscam02.c")
.file("vendor/src/cmscgats.c")
.file("vendor/src/cmscnvrt.c")
.file("vendor/src/cmserr.c")
.file("vendor/src/cmsgamma.c")
.file("vendor/src/cmsgmt.c")
.file("vendor/src/cmshalf.c")
.file("vendor/src/cmsintrp.c")
.file("vendor/src/cmsio0.c")
.file("vendor/src/cmsio1.c")
.file("vendor/src/cmslut.c")
.file("vendor/src/cmsmd5.c")
.file("vendor/src/cmsmtrx.c")
.file("vendor/src/cmsnamed.c")
.file("vendor/src/cmsopt.c")
.file("vendor/src/cmspack.c")
.file("vendor/src/cmspcs.c")
.file("vendor/src/cmsplugin.c")
.file("vendor/src/cmsps2.c")
.file("vendor/src/cmssamp.c")
.file("vendor/src/cmssm.c")
.file("vendor/src/cmstypes.c")
.file("vendor/src/cmsvirt.c")
.file("vendor/src/cmswtpnt.c")
.file("vendor/src/cmsxform.c");
if env::var_os("CARGO_CFG_TARGET_ENDIAN").as_deref() == Some("big".as_ref()) {
cc.define("CMS_USE_BIG_ENDIAN", Some("1"));
}
if cfg!(feature = "lcms2-strict-cgats") {
cc.define("CMS_STRICT_CGATS", Some("1"));
}
if env::var_os("DEBUG").as_deref() != Some("true".as_ref()) {
cc.define("NDEBUG", Some("1"));
}
cc.compile("liblcms2.a");
println!("cargo:include={}", dunce::canonicalize("vendor/include").unwrap().display());
}