Provide module-source-path compiler argument through CommandLineArgumentProvider

buildSrc/src/main/kotlin/java-library-conventions.gradle.kts

diff --git a/buildSrc/src/main/kotlin/java-library-conventions.gradle.kts b/buildSrc/src/main/kotlin/java-library-conventions.gradle.kts
index 1f85e6b..dc49f90 100644
--- a/buildSrc/src/main/kotlin/java-library-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/java-library-conventions.gradle.kts
@@ -154,7 +154,6 @@
 			"-Xlint:all,-requires-automatic,-requires-transitive-automatic",
 			"-Werror", // Terminates compilation when warnings occur.
 			"--module-version", "${project.version}",
-			"--module-source-path", files(modularProjects.map { "${it.projectDir}/src/module" }).asPath
 	))
 	options.compilerArgumentProviders.add(ModulePathArgumentProvider())
 	options.compilerArgumentProviders.addAll(modularProjects.map { PatchModuleArgumentProvider(it) })
@@ -218,7 +217,12 @@
 inner class ModulePathArgumentProvider : CommandLineArgumentProvider, Named {
 	@get:CompileClasspath
 	val modulePath: Provider<Configuration> = configurations.compileClasspath
-	override fun asArguments() = listOf("--module-path", modulePath.get().asPath)
+	override fun asArguments() = listOf(
+                                    "--module-path",
+                                    modulePath.get().asPath,
+                                    "--module-source-path",
+                                    files(modularProjects.map { "${it.projectDir}/src/module" }).asPath
+                                  )
 	@Internal
 	override fun getName() = "module-path"
 }