From 89f73ea32671f66c2c7775a5607e7b55e9efa3f3 Mon Sep 17 00:00:00 2001
From: erhankur <erhankurubas@gmail.com>
Date: Tue, 5 Nov 2024 23:39:32 +0100
Subject: [PATCH] remove espressif linker fragment file

---
 esp32-led-blink-sdk/main/CMakeLists.txt | 10 ++++++++--
 esp32-led-blink-sdk/main/linker.lf      | 20 --------------------
 esp32-led-strip-sdk/main/CMakeLists.txt | 10 ++++++++--
 esp32-led-strip-sdk/main/linker.lf      | 20 --------------------
 4 files changed, 16 insertions(+), 44 deletions(-)
 delete mode 100644 esp32-led-blink-sdk/main/linker.lf
 delete mode 100644 esp32-led-strip-sdk/main/linker.lf

diff --git a/esp32-led-blink-sdk/main/CMakeLists.txt b/esp32-led-blink-sdk/main/CMakeLists.txt
index 8795d351..6ddb5a41 100644
--- a/esp32-led-blink-sdk/main/CMakeLists.txt
+++ b/esp32-led-blink-sdk/main/CMakeLists.txt
@@ -2,7 +2,6 @@
 idf_component_register(
     SRCS /dev/null # We don't have any C++ sources
     PRIV_INCLUDE_DIRS "."
-    LDFRAGMENTS "linker.lf"
 )
 
 idf_build_get_property(target IDF_TARGET)
@@ -42,7 +41,7 @@ endforeach()
 target_compile_options(${COMPONENT_LIB} PUBLIC "$<$<COMPILE_LANGUAGE:Swift>:SHELL:
         -target riscv32-none-none-eabi
         -Xfrontend -function-sections -enable-experimental-feature Embedded -wmo -parse-as-library -Osize
-        -Xcc -march=${march_flag} -Xcc -mabi=${mabi_flag}
+        -Xcc -march=${march_flag} -Xcc -mabi=${mabi_flag} -Xcc -fno-pic -Xcc -fno-pie
         
         -pch-output-dir /tmp
         -Xfrontend -enable-single-module-llvm-emission
@@ -65,3 +64,10 @@ target_sources(${COMPONENT_LIB}
     Main.swift
     Led.swift
 )
+
+add_custom_command(
+    TARGET ${COMPONENT_LIB}
+    POST_BUILD
+    COMMAND ${CMAKE_OBJCOPY} --remove-section .swift_modhash
+            $<TARGET_FILE:${COMPONENT_LIB}> $<TARGET_FILE:${COMPONENT_LIB}>
+)
diff --git a/esp32-led-blink-sdk/main/linker.lf b/esp32-led-blink-sdk/main/linker.lf
deleted file mode 100644
index 6fdc4a8d..00000000
--- a/esp32-led-blink-sdk/main/linker.lf
+++ /dev/null
@@ -1,20 +0,0 @@
-[sections:flash_text_swift]
-entries:
-    .swift_modhash+
-
-[sections:dram0_swift]
-entries:
-    .got+
-    .got.plt+
-
-[scheme:swift_default]
-entries:
-    flash_text_swift -> flash_text
-    dram0_swift -> dram0_data
-
-[mapping:swift_default]
-archive: *
-entries:
-    * (swift_default);
-    flash_text_swift -> flash_text SURROUND (swift_text),
-    dram0_swift -> dram0_data SURROUND (swift_dram0)
diff --git a/esp32-led-strip-sdk/main/CMakeLists.txt b/esp32-led-strip-sdk/main/CMakeLists.txt
index c5a8c8a7..62925a98 100644
--- a/esp32-led-strip-sdk/main/CMakeLists.txt
+++ b/esp32-led-strip-sdk/main/CMakeLists.txt
@@ -2,7 +2,6 @@
 idf_component_register(
     SRCS /dev/null # We don't have any C++ sources
     PRIV_INCLUDE_DIRS "."
-    LDFRAGMENTS "linker.lf"
 )
 
 idf_build_get_property(target IDF_TARGET)
@@ -42,7 +41,7 @@ endforeach()
 target_compile_options(${COMPONENT_LIB} PUBLIC "$<$<COMPILE_LANGUAGE:Swift>:SHELL:
         -target riscv32-none-none-eabi
         -Xfrontend -function-sections -enable-experimental-feature Embedded -wmo -parse-as-library -Osize
-        -Xcc -march=${march_flag} -Xcc -mabi=${mabi_flag}
+        -Xcc -march=${march_flag} -Xcc -mabi=${mabi_flag} -Xcc -fno-pic -Xcc -fno-pie
         
         -pch-output-dir /tmp
         -Xfrontend -enable-single-module-llvm-emission
@@ -65,3 +64,10 @@ target_sources(${COMPONENT_LIB}
     Main.swift
     LedStrip.swift
 )
+
+add_custom_command(
+    TARGET ${COMPONENT_LIB}
+    POST_BUILD
+    COMMAND ${CMAKE_OBJCOPY} --remove-section .swift_modhash
+            $<TARGET_FILE:${COMPONENT_LIB}> $<TARGET_FILE:${COMPONENT_LIB}>
+)
diff --git a/esp32-led-strip-sdk/main/linker.lf b/esp32-led-strip-sdk/main/linker.lf
deleted file mode 100644
index 6fdc4a8d..00000000
--- a/esp32-led-strip-sdk/main/linker.lf
+++ /dev/null
@@ -1,20 +0,0 @@
-[sections:flash_text_swift]
-entries:
-    .swift_modhash+
-
-[sections:dram0_swift]
-entries:
-    .got+
-    .got.plt+
-
-[scheme:swift_default]
-entries:
-    flash_text_swift -> flash_text
-    dram0_swift -> dram0_data
-
-[mapping:swift_default]
-archive: *
-entries:
-    * (swift_default);
-    flash_text_swift -> flash_text SURROUND (swift_text),
-    dram0_swift -> dram0_data SURROUND (swift_dram0)