add static link support

Cargo.toml

@@ -43,6 +43,9 @@ extension = []
 # Otherwise, links statically to `libsciter-gtk.so` or `libsciter.dylib`.
 dynamic = []
 
+# Only for windows static linking
+skia = []
+
 # Build this crate specifically for Sciter.Lite versions
 # which are incompatible with the regular ones.
 windowless = []

build.rs

@@ -0,0 +1,29 @@
+#[cfg(all(windows, not(feature = "dynamic")))]
+fn main() {
+	use std::{env, path::PathBuf};
+	if let Ok(path) = env::var("SCITER_STATIC_LIBRARY") {
+		let lib_dir = PathBuf::from(path);
+		println!("cargo:rustc-link-search=native={}", lib_dir.display());
+		if cfg!(feature = "nightly") {
+            // -bundle allow msvc linker link the library with ltcg
+            // this is a nightly feature now: https://github.com/rust-lang/rust/issues/81490
+			println!("cargo:rustc-link-lib=static:-bundle={}", "sciter.static");
+			if cfg!(feature = "skia") {
+				println!("cargo:rustc-link-lib=static:-bundle={}", "atls");
+			}
+		} else {
+			println!("cargo:rustc-link-lib=static={}", "sciter.static");
+			if cfg!(feature = "skia") {
+				println!("cargo:rustc-link-lib=static={}", "atls");
+			}
+		}
+		println!("cargo:rustc-link-lib={}", "Comdlg32");
+		println!("cargo:rustc-link-lib={}", "windowscodecs");
+		println!("cargo:rustc-link-lib={}", "Wininet");
+	} else {
+		println!("cargo:warning=Set SCITER_STATIC_LIBRARY to link static library");
+	}
+}
+
+#[cfg(not(all(windows, not(feature = "dynamic"))))]
+fn main() {}

src/lib.rs

@@ -129,7 +129,7 @@ pub use capi::scapi::{ISciterAPI};
 use capi::scgraphics::SciterGraphicsAPI;
 use capi::screquest::SciterRequestAPI;
 
-#[cfg(windows)]
+#[cfg(all(windows, feature = "dynamic"))]
 mod ext {
 	// Note:
 	// Sciter 4.x shipped with universal "sciter.dll" library for different builds:
@@ -217,6 +217,13 @@ mod ext {
 	}
 }
 
+#[cfg(all(windows, not(feature = "dynamic")))]
+mod ext {
+	use capi::scapi::{ISciterAPI};
+
+	extern "C" { pub fn SciterAPI() -> *const ISciterAPI;	}
+}
+
 #[cfg(all(feature = "dynamic", unix))]
 mod ext {
   #![allow(non_snake_case, non_camel_case_types)]