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Add XIAPI_INCLUDE_DIR for hermetic/cross builds #3

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Add XIAPI_INCLUDE_DIR for hermetic/cross builds #3

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6 changes: 5 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,9 +5,13 @@ These bindings have been tested with xiAPI version 4.25 on Windows and Linux. Ne
some new features may be unsupported. All cameras that are supported by xiAPI are also supported by these bindings.

### Requirements
To use these bindings, the XIMEA software package must be installed in the default path
To use these bindings without configuration, the XIMEA software package must be installed in the default path
(For Windows: C:\XIMEA; For Linux: /opt/XIMEA).

#### Non-standard library location
If your xiAPI installation uses a non-standard install directory, set `XIAPI_INCLUDE_DIR` to the path of the `$XIAPI/include`
path to specify the header location.

### Documentation
Specific documentation for this package is still WIP.
For general documentation on xiAPI please have a look at the [API manual](https://www.ximea.com/support/wiki/apis/XiAPI_Manual).
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17 changes: 12 additions & 5 deletions build.rs
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Expand Up @@ -5,13 +5,20 @@ use std::path::PathBuf;

fn main() {
let target_os = env::var("CARGO_CFG_TARGET_OS").expect("Unknown target OS");
let (link_lib, include_path) = match target_os.as_str() {
"windows" => ("xiapi64","C:/XIMEA/API/xiAPI"),
"linux" => ("m3api", "/opt/XIMEA/include"),
"macos" => ("m3api","/Library/Frameworks/m3api.framework/Headers"),
let (link_lib, mut include_path) = match target_os.as_str() {
"windows" => ("xiapi64", "C:/XIMEA/API/xiAPI".to_string()),
"linux" => ("m3api", "/opt/XIMEA/include".to_string()),
"macos" => (
"m3api",
"/Library/Frameworks/m3api.framework/Headers".to_string(),
),
x => panic!("Unknown platform: {x}"),
};

if let Ok(override_include_path) = env::var("XIAPI_INCLUDE_DIR") {
include_path = override_include_path;
};

println!("cargo:rerun-if-changed=wrapper.h");

if target_os.as_str() == "macos" {
Expand All @@ -22,7 +29,7 @@ fn main() {
}

if target_os.as_str() == "windows" {
println!("cargo:rustc-link-search={}",include_path);
println!("cargo:rustc-link-search={}", include_path);
}

let bindings = bindgen::Builder::default()
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