qt-build-utils: move include paths to qmake installation

Author: ahayzen-kdab

crates/qt-build-utils/src/installation/qmake.rs

@@ -99,8 +99,30 @@ impl TryFrom<PathBuf> for QtInstallationQMake {
 }
 
 impl QtInstallation for QtInstallationQMake {
-    fn include_paths(&self, _qt_modules: &[String]) -> Vec<PathBuf> {
-        todo!()
+    fn include_paths(&self, qt_modules: &[String]) -> Vec<PathBuf> {
+        let root_path = self.qmake_query("QT_INSTALL_HEADERS");
+        let lib_path = self.qmake_query("QT_INSTALL_LIBS");
+        let mut paths = Vec::new();
+        for qt_module in qt_modules {
+            // Add the usual location for the Qt module
+            paths.push(format!("{root_path}/Qt{qt_module}"));
+
+            // Ensure that we add any framework's headers path
+            let header_path = format!("{lib_path}/Qt{qt_module}.framework/Headers");
+            if utils::is_apple_target() && Path::new(&header_path).exists() {
+                paths.push(header_path);
+            }
+        }
+
+        // Add the QT_INSTALL_HEADERS itself
+        paths.push(root_path);
+
+        paths
+            .iter()
+            .map(PathBuf::from)
+            // Only add paths if they exist
+            .filter(|path| path.exists())
+            .collect()
     }
 
     fn link_modules(&self, builder: &mut cc::Build, qt_modules: &[String]) {

crates/qt-build-utils/src/lib.rs

@@ -411,29 +411,7 @@ impl QtBuild {
     /// Get the include paths for Qt, including Qt module subdirectories. This is intended
     /// to be passed to whichever tool you are using to invoke the C++ compiler.
     pub fn include_paths(&self) -> Vec<PathBuf> {
-        let root_path = self.qmake_query("QT_INSTALL_HEADERS");
-        let lib_path = self.qmake_query("QT_INSTALL_LIBS");
-        let mut paths = Vec::new();
-        for qt_module in &self.qt_modules {
-            // Add the usual location for the Qt module
-            paths.push(format!("{root_path}/Qt{qt_module}"));
-
-            // Ensure that we add any framework's headers path
-            let header_path = format!("{lib_path}/Qt{qt_module}.framework/Headers");
-            if utils::is_apple_target() && Path::new(&header_path).exists() {
-                paths.push(header_path);
-            }
-        }
-
-        // Add the QT_INSTALL_HEADERS itself
-        paths.push(root_path);
-
-        paths
-            .iter()
-            .map(PathBuf::from)
-            // Only add paths if they exist
-            .filter(|path| path.exists())
-            .collect()
+        self.qt_installation.include_paths(&self.qt_modules)
     }
 
     /// Version of the detected Qt installation