[K/N] Cross-compilation of MIPS targets from macOS and Windows hosts

Fixes KT-52226

kotlin-native/konan/konan.properties

@@ -675,11 +675,20 @@ runtimeDefinitions.linux_arm64 = USE_GCC_UNWIND=1 KONAN_LINUX=1 KONAN_ARM64=1 \
 gccToolchain.linux_mips32 = $toolchainDependency.linux_mips32
 
 targetToolchain.linux_x64-linux_mips32 = $gccToolchain.linux_mips32/mips-unknown-linux-gnu
+targetToolchain.mingw_x64-linux_mips32 = $llvmHome.mingw_x64
+targetToolchain.macos_x64-linux_mips32 = $llvmHome.macos_x64
+targetToolchain.macos_arm64-linux_mips32 = $llvmHome.macos_arm64
 
 emulatorDependency.linux_x64-linux_mips32 = qemu-mips-static-5.1.0-linux-2
 emulatorExecutable.linux_x64-linux_mips32 = qemu-mips-static-5.1.0-linux-2/qemu-mips
 dependencies.linux_x64-linux_mips32 = \
     $toolchainDependency.linux_mips32
+dependencies.mingw_x64-linux_mips32 = \
+    $toolchainDependency.linux_mips32
+dependencies.macos_x64-linux_mips32 = \
+    $toolchainDependency.linux_mips32
+dependencies.macos_arm64-linux_mips32 = \
+    $toolchainDependency.linux_mips32
 
 targetTriple.linux_mips32 = mips-unknown-linux-gnu
 linkerOptimizationFlags.linux_mips32 = --gc-sections
@@ -703,6 +712,9 @@ staticLibraryRelocationMode.linux_mips32 = pic
 executableRelocationMode.linux_mips32 = static
 
 linker.linux_x64-linux_mips32 = $targetToolchain.linux_x64-linux_mips32/bin/ld
+linker.mingw_x64-linux_mips32 = $targetToolchain.mingw_x64-linux_mips32/bin/ld.lld
+linker.macos_x64-linux_mips32 = $targetToolchain.macos_x64-linux_mips32/bin/ld.lld
+linker.macos_arm64-linux_mips32 = $targetToolchain.macos_arm64-linux_mips32/bin/ld.lld
 linkerHostSpecificFlags.linux_x64-linux_mips32 =
 dynamicLinker.linux_mips32 = /lib/ld.so.1
 # targetSysRoot relative
@@ -718,11 +730,20 @@ runtimeDefinitions.linux_mips32 = USE_GCC_UNWIND=1 KONAN_LINUX=1 KONAN_MIPS32=1
 gccToolchain.linux_mipsel32 = $toolchainDependency.linux_mipsel32
 
 targetToolchain.linux_x64-linux_mipsel32 = $gccToolchain.linux_mipsel32/mipsel-unknown-linux-gnu
+targetToolchain.mingw_x64-linux_mipsel32 = $llvmHome.mingw_x64
+targetToolchain.macos_x64-linux_mipsel32 = $llvmHome.macos_x64
+targetToolchain.macos_arm64-linux_mipsel32 = $llvmHome.macos_arm64
 
 emulatorDependency.linux_x64-linux_mipsel32 = qemu-mipsel-static-5.1.0-linux-2
 emulatorExecutable.linux_x64-linux_mipsel32 = qemu-mipsel-static-5.1.0-linux-2/qemu-mipsel
 dependencies.linux_x64-linux_mipsel32 = \
     $toolchainDependency.linux_mipsel32
+dependencies.mingw_x64-linux_mipsel32 = \
+    $toolchainDependency.linux_mipsel32
+dependencies.macos_x64-linux_mipsel32 = \
+    $toolchainDependency.linux_mipsel32
+dependencies.macos_arm64-linux_mipsel32 = \
+    $toolchainDependency.linux_mipsel32
 
 targetTriple.linux_mipsel32 = mipsel-unknown-linux-gnu
 linkerOptimizationFlags.linux_mipsel32 = --gc-sections
@@ -743,6 +764,9 @@ dynamicLibraryRelocationMode.linux_mipsel32 = pic
 staticLibraryRelocationMode.linux_mipsel32 = pic
 
 linker.linux_x64-linux_mipsel32 = $targetToolchain.linux_x64-linux_mipsel32/bin/ld
+linker.mingw_x64-linux_mipsel32 = $targetToolchain.mingw_x64-linux_mipsel32/bin/ld.lld
+linker.macos_x64-linux_mipsel32 = $targetToolchain.macos_x64-linux_mipsel32/bin/ld.lld
+linker.macos_arm64-linux_mipsel32 = $targetToolchain.macos_arm64-linux_mipsel32/bin/ld.lld
 linkerHostSpecificFlags.linux_x64-linux_mipsel32 =
 dynamicLinker.linux_mipsel32 = /lib/ld.so.1
 # targetSysRoot relative

native/utils/src/org/jetbrains/kotlin/konan/target/HostManager.kt

@@ -46,85 +46,43 @@ open class HostManager(
         return targets[resolveAlias(name)] ?: throw TargetSupportException("Unknown target name: $name")
     }
 
+    private val commonTargets = setOf(
+        LINUX_X64,
+        LINUX_ARM32_HFP,
+        LINUX_ARM64,
+        LINUX_MIPS32,
+        LINUX_MIPSEL32,
+        MINGW_X86,
+        MINGW_X64,
+        ANDROID_X86,
+        ANDROID_X64,
+        ANDROID_ARM32,
+        ANDROID_ARM64,
+        WASM32
+    )
+
+    private val appleTargets = setOf(
+        MACOS_X64,
+        MACOS_ARM64,
+        IOS_ARM32,
+        IOS_ARM64,
+        IOS_X64,
+        IOS_SIMULATOR_ARM64,
+        WATCHOS_ARM32,
+        WATCHOS_ARM64,
+        WATCHOS_X86,
+        WATCHOS_X64,
+        WATCHOS_SIMULATOR_ARM64,
+        TVOS_ARM64,
+        TVOS_X64,
+        TVOS_SIMULATOR_ARM64,
+    )
+
     private val enabledRegularByHost: Map<KonanTarget, Set<KonanTarget>> = mapOf(
-        LINUX_X64 to setOf(
+        LINUX_X64 to commonTargets,
-            LINUX_X64,
+        MINGW_X64 to commonTargets,
-            LINUX_ARM32_HFP,
+        MACOS_X64 to commonTargets + appleTargets,
-            LINUX_ARM64,
+        MACOS_ARM64 to commonTargets + appleTargets
-            LINUX_MIPS32,
-            LINUX_MIPSEL32,
-            MINGW_X86,
-            MINGW_X64,
-            ANDROID_X86,
-            ANDROID_X64,
-            ANDROID_ARM32,
-            ANDROID_ARM64,
-            WASM32
-        ),
-        MINGW_X64 to setOf(
-            MINGW_X64,
-            MINGW_X86,
-            LINUX_X64,
-            LINUX_ARM32_HFP,
-            LINUX_ARM64,
-            ANDROID_X86,
-            ANDROID_X64,
-            ANDROID_ARM32,
-            ANDROID_ARM64,
-            WASM32
-        ),
-        MACOS_X64 to setOf(
-            MACOS_X64,
-            MACOS_ARM64,
-            IOS_ARM32,
-            IOS_ARM64,
-            IOS_X64,
-            IOS_SIMULATOR_ARM64,
-            WATCHOS_ARM32,
-            WATCHOS_ARM64,
-            WATCHOS_X86,
-            WATCHOS_X64,
-            WATCHOS_SIMULATOR_ARM64,
-            TVOS_ARM64,
-            TVOS_X64,
-            TVOS_SIMULATOR_ARM64,
-            LINUX_X64,
-            LINUX_ARM32_HFP,
-            LINUX_ARM64,
-            MINGW_X86,
-            MINGW_X64,
-            ANDROID_X86,
-            ANDROID_X64,
-            ANDROID_ARM32,
-            ANDROID_ARM64,
-            WASM32
-        ),
-        MACOS_ARM64 to setOf(
-            MACOS_ARM64,
-            MACOS_X64,
-            IOS_ARM32,
-            IOS_ARM64,
-            IOS_X64,
-            IOS_SIMULATOR_ARM64,
-            WATCHOS_ARM32,
-            WATCHOS_ARM64,
-            WATCHOS_X86,
-            WATCHOS_X64,
-            WATCHOS_SIMULATOR_ARM64,
-            TVOS_ARM64,
-            TVOS_X64,
-            TVOS_SIMULATOR_ARM64,
-            LINUX_X64,
-            LINUX_ARM32_HFP,
-            LINUX_ARM64,
-            MINGW_X86,
-            MINGW_X64,
-            ANDROID_X86,
-            ANDROID_X64,
-            ANDROID_ARM32,
-            ANDROID_ARM64,
-            WASM32
-        )
     )
 
     private val enabledExperimentalByHost: Map<KonanTarget, Set<KonanTarget>> = mapOf(