Prepare LLD resource only when our toolchain is used

commit_hash:250819962786e499d63e31bd2bfaa186f8043b68

Author: borman

build/platform/lld/ya.make

@@ -5,22 +5,8 @@ DEFAULT(LLD_VERSION ${COMPILER_VERSION})
 TOOLCHAIN(lld)
 VERSION(${LLD_VERSION})
 
-# There is no backward compatibility between LLVM IR versions 16 and 18.
-# So, we need to select lld18 when using clang18 to compile src in LTO mode.
-IF (LLD_VERSION == 20)
-    DECLARE_EXTERNAL_HOST_RESOURCES_BUNDLE_BY_JSON(LLD_ROOT lld20.json)
-ELSEIF (LLD_VERSION == 18)
-    DECLARE_EXTERNAL_HOST_RESOURCES_BUNDLE_BY_JSON(LLD_ROOT lld18.json)
-ELSEIF (LLD_VERSION == 16)
-    DECLARE_EXTERNAL_HOST_RESOURCES_BUNDLE_BY_JSON(LLD_ROOT lld16.json)
-ELSEIF (LLD_VERSION == 14)
-    # Allow empty lld 14 for android
-ELSE()
-    MESSAGE(FATAL_ERROR "Unsupported LLD version ${LLD_VERSION} was required")
-ENDIF()
-
 IF (OS_ANDROID)
-    # Use LLD shipped with Android NDK.
+    DISABLE(PROVIDE_LLD_FROM_RESOURCE)  # Use LLD shipped with Android NDK.
     LDFLAGS(
         -fuse-ld=lld
 
@@ -53,6 +39,7 @@ IF (OS_ANDROID)
         LDFLAGS(-Wl,-z,max-page-size=16384)
     ENDIF()
 ELSEIF (OS_LINUX)
+    ENABLE(PROVIDE_LLD_FROM_RESOURCE)
     LDFLAGS(
         -fuse-ld=lld
         --ld-path=${LLD_ROOT_RESOURCE_GLOBAL}/bin/ld.lld
@@ -63,20 +50,40 @@ ELSEIF (OS_LINUX)
         -Wl,--build-id=sha1
     )
 ELSEIF (OS_FREEBSD)
+    ENABLE(PROVIDE_LLD_FROM_RESOURCE)
     LDFLAGS(
         -fuse-ld=lld
         --ld-path=${LLD_ROOT_RESOURCE_GLOBAL}/bin/ld.lld
     )
 ELSEIF (OS_DARWIN OR OS_IOS)
+    ENABLE(PROVIDE_LLD_FROM_RESOURCE)
     LDFLAGS(
         -fuse-ld=lld
         --ld-path=${LLD_ROOT_RESOURCE_GLOBAL}/bin/ld64.lld
     )
 ELSEIF (OS_EMSCRIPTEN)
+    ENABLE(PROVIDE_LLD_FROM_RESOURCE)
     LDFLAGS(
         -fuse-ld=${LLD_ROOT_RESOURCE_GLOBAL}/bin/wasm-ld
         # FIXME: Linker does not capture "ld-path" and therefore it can not find "wasm-ld"
     )
+ELSE()
+    MESSAGE(FATAL_ERROR "Unsupported LLD target OS was required")
+ENDIF()
+
+IF (PROVIDE_LLD_FROM_RESOURCE)
+    # There is no backward compatibility between LLVM IR versions 16 and 18.
+    # So, we need to select lld18 when using clang18 to compile src in LTO mode.
+    IF (LLD_VERSION == 20)
+        DECLARE_EXTERNAL_HOST_RESOURCES_BUNDLE_BY_JSON(LLD_ROOT lld20.json)
+    ELSEIF (LLD_VERSION == 18)
+        DECLARE_EXTERNAL_HOST_RESOURCES_BUNDLE_BY_JSON(LLD_ROOT lld18.json)
+    ELSEIF (LLD_VERSION == 16)
+        DECLARE_EXTERNAL_HOST_RESOURCES_BUNDLE_BY_JSON(LLD_ROOT lld16.json)
+    ELSE()
+        MESSAGE(FATAL_ERROR "Unsupported LLD version ${LLD_VERSION} was required")
+    ENDIF()
+
 ENDIF()
 
 END()