From 74e27a2edc94e9531eaf81bb7047199f6a7a9296 Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Sun, 16 Aug 2020 20:26:59 +0300
Subject: [PATCH] Enable "cyclic reference" for GCC linker only for the
 embedded dev-platforms // Resolve #3570

---
 HISTORY.rst                            | 1 +
 platformio/builder/tools/platformio.py | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/HISTORY.rst b/HISTORY.rst
index 147c4b5f..7f86e40f 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -54,6 +54,7 @@ PlatformIO Core 4
 * Dump data intended for IDE extensions/plugins using a new `platformio project idedata <https://docs.platformio.org/page/core/userguide/project/cmd_idedata.html>`__ command
 * Do not generate ".travis.yml" for a new project, let the user have a choice
 * Automatically enable LDF dependency `chain+ mode (evaluates C/C++ Preprocessor conditional syntax) <https://docs.platformio.org/page/librarymanager/ldf.html#dependency-finder-mode>`__ for Arduino library when "library.property" has "depends" field (`issue #3607 <https://github.com/platformio/platformio-core/issues/3607>`_)
+* Enable "cyclic reference" for GCC linker only for the embedded dev-platforms (`issue #3570 <https://github.com/platformio/platformio-core/issues/3570>`_)
 * Updated PIO Unit Testing support for Mbed framework. Added compatibility with Mbed OS 6
 * Do not escape compiler arguments in VSCode template on Windows
 * Fixed an issue with PIO Unit Testing when running multiple environments (`issue #3523 <https://github.com/platformio/platformio-core/issues/3523>`_)
diff --git a/platformio/builder/tools/platformio.py b/platformio/builder/tools/platformio.py
index 560cbe37..5d8f8e8b 100644
--- a/platformio/builder/tools/platformio.py
+++ b/platformio/builder/tools/platformio.py
@@ -66,7 +66,11 @@ def BuildProgram(env):
         env.Prepend(LINKFLAGS=["-T", env.subst("$LDSCRIPT_PATH")])
 
     # enable "cyclic reference" for linker
-    if env.get("LIBS") and env.GetCompilerType() == "gcc":
+    if (
+        env.get("LIBS")
+        and env.GetCompilerType() == "gcc"
+        and env.PioPlatform().is_embedded()
+    ):
         env.Prepend(_LIBFLAGS="-Wl,--start-group ")
         env.Append(_LIBFLAGS=" -Wl,--end-group")