Indicate static linker flag for static libraries

Author: twistedfall

build/cmake_probe.rs

@@ -159,6 +159,7 @@ impl<'r> CmakeProbe<'r> {
 				}
 			} else if !arg.starts_with('-') {
 				let path = Path::new(arg);
+				let is_static = path.extension().map_or(false, |ext| ext.eq_ignore_ascii_case("a"));
 				if let Some(file) = path.file_name().and_then(super::cleanup_lib_filename) {
 					if let Some(parent) = path.parent().map(|p| p.to_owned()) {
 						if !link_paths.contains(&parent) {
@@ -167,7 +168,12 @@ impl<'r> CmakeProbe<'r> {
 					} else {
 						panic!("{}", arg.to_string());
 					}
-					link_libs.push(file.to_str().expect("Non-UTF8 filename").to_string());
+					let file = file.to_str().expect("Non-UTF8 filename");
+					if is_static {
+						link_libs.push(format!("static={}", file));
+					} else {
+						link_libs.push(file.to_string());
+					}
 				}
 			} else {
 				eprintln!("=== Unexpected cmake compiler argument found: {arg}");

tests/build.rs

@@ -21,26 +21,26 @@ fn test_extract_from_cmdline() {
 	];
 	assert_eq!(expect_link_paths, link_paths);
 	let expect_link_libs = vec![
-		"opencv_calib3d4d",
-		"opencv_core4d",
-		"opencv_features2d4d",
-		"opencv_flann4d",
-		"opencv_highgui4d",
-		"opencv_imgcodecs4d",
-		"opencv_imgproc4d",
-		"opencv_ml4d",
-		"opencv_objdetect4d",
-		"opencv_photo4d",
-		"opencv_stitching4d",
-		"opencv_video4d",
-		"opencv_videoio4d",
-		"opencv_imgcodecs4d",
-		"jpeg",
-		"tiffd",
-		"lzma",
-		"jpeg",
-		"tiffd",
-		"lzma",
+		"static=opencv_calib3d4d",
+		"static=opencv_core4d",
+		"static=opencv_features2d4d",
+		"static=opencv_flann4d",
+		"static=opencv_highgui4d",
+		"static=opencv_imgcodecs4d",
+		"static=opencv_imgproc4d",
+		"static=opencv_ml4d",
+		"static=opencv_objdetect4d",
+		"static=opencv_photo4d",
+		"static=opencv_stitching4d",
+		"static=opencv_video4d",
+		"static=opencv_videoio4d",
+		"static=opencv_imgcodecs4d",
+		"static=jpeg",
+		"static=tiffd",
+		"static=lzma",
+		"static=jpeg",
+		"static=tiffd",
+		"static=lzma",
 		"m",
 		"AppKit.framework",
 		"Accelerate.framework",
@@ -50,14 +50,14 @@ fn test_extract_from_cmdline() {
 		"CoreVideo.framework",
 		"QuartzCore.framework",
 		"Cocoa.framework",
-		"opencv_calib3d4d",
-		"opencv_features2d4d",
-		"opencv_flann4d",
-		"opencv_imgproc4d",
-		"opencv_core4d",
-		"z",
+		"static=opencv_calib3d4d",
+		"static=opencv_features2d4d",
+		"static=opencv_flann4d",
+		"static=opencv_imgproc4d",
+		"static=opencv_core4d",
+		"static=z",
 		"OpenCL.framework",
-		"tegra_hald",
+		"static=tegra_hald",
 	];
 	assert_eq!(expect_link_libs, link_libs);
 }