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build.rs
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build.rs
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fn main() {
#[cfg(all(feature = "oiio", not(feature = "docs-rs"), not(feature = "oiio-custom")))]
{
let mut pkg = std::process::Command::new("pkg-config");
pkg.arg("--cflags")
.arg("--libs")
.arg("--silence-errors")
.arg("OpenImageIO");
if cfg!(target_os = "macos") {
pkg.arg("Imath");
}
let pkg = pkg.output().unwrap();
let flags = String::from_utf8(pkg.stdout).unwrap();
let flags = flags.split(' ');
let mut config = cpp_build::Config::new();
config.flag("-std=c++14").flag("-w");
let mut search = Vec::new();
let mut libs = Vec::new();
for flag in flags {
if let Some(s) = flag.strip_prefix("-L") {
search.push(s.to_string());
} else if let Some(s) = flag.strip_prefix("-l") {
libs.push(s.to_string());
} else {
config.flag(flag);
}
}
config.build("src/io/oiio.rs");
for s in search {
println!("cargo:rustc-link-search={s}");
}
if libs.is_empty() {
println!("cargo:rustc-link-lib=OpenImageIO");
println!("cargo:rustc-link-lib=OpenImageIO_Util");
} else {
for lib in libs {
println!("cargo:rustc-link-lib={lib}");
}
}
}
#[cfg(all(feature = "oiio-custom", not(feature = "docs-rs")))]
{
let oiio_include = env!("OIIO_CUSTOM_INCLUDE", "Must set OIIO_CUSTOM_INCLUDE env in .cargo/config.toml to directory with OpenImageIO headers");
let oiio_lib = env!("OIIO_CUSTOM_LIB", "Must set OIIO_CUSTOM_LIB env in .cargo/config.toml to directory with compiled OpenImageIO libraries");
let mut config = cpp_build::Config::new();
config.flag("-std=c++14").flag("-w");
config.include(oiio_include);
config.build("src/io/oiio.rs");
println!("cargo:rustc-link-search={}", oiio_lib);
println!("cargo:rustc-link-lib=OpenImageIO");
println!("cargo:rustc-link-lib=OpenImageIO_Util");
}
}