InfiniTimeOrg · Avamander · Dec 5, 2021 · Dec 12, 2021 · Dec 19, 2021 · Dec 19, 2021
diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
@@ -13,7 +13,7 @@ RUN apt-get update -qq \
       python3-pip \
       tar \
       unzip \
-      wget \ 
+      wget \
       curl \
       dos2unix \
       clang-format-12 \
@@ -23,15 +23,15 @@ RUN apt-get update -qq \
 # aarch64 packages
       libffi-dev \
       libssl-dev \
-      python3-dev \ 
+      python3-dev \
       rustc \
     && rm -rf /var/cache/apt/* /var/lib/apt/lists/*;
-    
-#SET LOCALE 
+
+#SET LOCALE
 RUN locale-gen en_US.UTF-8
 ENV LANG en_US.UTF-8
 ENV LANGUAGE en_US:en
-ENV LC_ALL en_US.UTF-8 
+ENV LC_ALL en_US.UTF-8
 
 RUN pip3 install adafruit-nrfutil
 # required for McuBoot
@@ -47,7 +47,7 @@ RUN chmod +x create_build_openocd.sh
 # Lets get each in a separate docker layer for better downloads
 # GCC
 # RUN bash -c "source /opt/build.sh; GetGcc;"
-RUN wget https://developer.arm.com/-/media/Files/downloads/gnu-rm/9-2020q2/gcc-arm-none-eabi-9-2020-q2-update-x86_64-linux.tar.bz2 -O - | tar -xj -C /opt
+RUN wget https://developer.arm.com/-/media/Files/downloads/gnu-rm/10.3-2021.10/gcc-arm-none-eabi-10.3-2021.10-x86_64-linux.tar.bz2 -O - | tar -xj -C /opt
 # NrfSdk
 # RUN bash -c "source /opt/build.sh; GetNrfSdk;"
 RUN wget -q "https://developer.nordicsemi.com/nRF5_SDK/nRF5_SDK_v15.x.x/nRF5_SDK_15.3.0_59ac345.zip" -O /tmp/nRF5_SDK_15.3.0_59ac345
@@ -61,5 +61,5 @@ RUN pip3 install -r ./mcuboot/scripts/requirements.txt
 RUN adduser infinitime
 
 ENV NRF5_SDK_PATH /opt/nRF5_SDK_15.3.0_59ac345
-ENV ARM_NONE_EABI_TOOLCHAIN_PATH /opt/gcc-arm-none-eabi-9-2020-q2-update
+ENV ARM_NONE_EABI_TOOLCHAIN_PATH /opt/gcc-arm-none-eabi-10.3-2021.10
 ENV SOURCES_DIR /workspaces/InfiniTime
diff --git a/.devcontainer/build.sh b/.devcontainer/build.sh
@@ -12,7 +12,7 @@ export BUILD_DIR="${BUILD_DIR:=$SOURCES_DIR/build}"
 export OUTPUT_DIR="${OUTPUT_DIR:=$BUILD_DIR/output}"
 
 export BUILD_TYPE=${BUILD_TYPE:=Release}
-export GCC_ARM_VER=${GCC_ARM_VER:="gcc-arm-none-eabi-9-2020-q2-update"}
+export GCC_ARM_VER=${GCC_ARM_VER:="gcc-arm-none-eabi-10.3-2021.10"}
 export NRF_SDK_VER=${NRF_SDK_VER:="nRF5_SDK_15.3.0_59ac345"}
 
 MACHINE="$(uname -m)"
@@ -22,7 +22,7 @@ main() {
   local target="$1"
 
   mkdir -p "$TOOLS_DIR"
-  
+
   [[ ! -d "$TOOLS_DIR/$GCC_ARM_VER" ]] && GetGcc
   [[ ! -d "$TOOLS_DIR/$NRF_SDK_VER" ]] && GetNrfSdk
   [[ ! -d "$TOOLS_DIR/mcuboot" ]] && GetMcuBoot
@@ -31,7 +31,7 @@ main() {
 
   CmakeGenerate
   CmakeBuild $target
-  BUILD_RESULT=$? 
+  BUILD_RESULT=$?
   if [ "$DISABLE_POSTBUILD" != "true" -a "$BUILD_RESULT" == 0 ]; then
     source "$BUILD_DIR/post_build.sh"
   fi
@@ -71,8 +71,8 @@ CmakeBuild() {
   local target="$1"
   [[ -n "$target" ]] && target="--target $target"
   if cmake --build "$BUILD_DIR" --config $BUILD_TYPE $target -- -j$(nproc)
-    then return 0; else return 1; 
+    then return 0; else return 1;
   fi
 }
 
-[[ $SOURCED == "false" ]] && main "$@" || echo "Sourced!"
+[[ $SOURCED == "false" ]] && main "$@" || echo "Sourced!"
diff --git a/.devcontainer/create_build_openocd.sh b/.devcontainer/create_build_openocd.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 rm -rf build/
-cmake -G 'Unix Makefiles' -DCMAKE_BUILD_TYPE=Release -DUSE_OPENOCD=1 -DARM_NONE_EABI_TOOLCHAIN_PATH=/opt/gcc-arm-none-eabi-9-2020-q2-update -DNRF5_SDK_PATH=/opt/nRF5_SDK_15.3.0_59ac345 -S . -Bbuild
+cmake -G 'Unix Makefiles' -DCMAKE_BUILD_TYPE=Release -DUSE_OPENOCD=1 -DARM_NONE_EABI_TOOLCHAIN_PATH=/opt/gcc-arm-none-eabi-10.3-2021.10 -DNRF5_SDK_PATH=/opt/nRF5_SDK_15.3.0_59ac345 -S . -Bbuild
diff --git a/.devcontainer/make_build_dir.sh b/.devcontainer/make_build_dir.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-cmake -G 'Unix Makefiles' -DCMAKE_BUILD_TYPE=Release -DUSE_OPENOCD=1 -DARM_NONE_EABI_TOOLCHAIN_PATH=/opt/gcc-arm-none-eabi-9-2020-q2-update -DNRF5_SDK_PATH=/opt/nRF5_SDK_15.3.0_59ac345 ${SOURCES_DIR}
+cmake -G 'Unix Makefiles' -DCMAKE_BUILD_TYPE=Release -DUSE_OPENOCD=1 -DARM_NONE_EABI_TOOLCHAIN_PATH=/opt/gcc-arm-none-eabi-10.3-2021.10 -DNRF5_SDK_PATH=/opt/nRF5_SDK_15.3.0_59ac345 ${SOURCES_DIR}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -32,24 +32,24 @@ jobs:
       - name: Install cmake
         uses: lukka/[email protected]
 
-      - name: Check cache for Embedded Arm Toolchain arm-none-eabi-gcc
-        id:   cache-toolchain
-        uses: actions/cache@v2
-        env:
-          cache-name: cache-toolchain-9-2020-q2
-        with:
-          path: ${{ runner.temp }}/arm-none-eabi
-          key:  ${{ runner.os }}-build-${{ env.cache-name }}
-          restore-keys: ${{ runner.os }}-build-${{ env.cache-name }}
-
-      - name: Install Embedded Arm Toolchain arm-none-eabi-gcc
-        if:   steps.cache-toolchain.outputs.cache-hit != 'true'  # Install toolchain if not found in cache
-        uses: fiam/arm-none-eabi-gcc@v1.0.4
+      #- name: Check cache for Embedded Arm Toolchain arm-none-eabi-gcc
+      #  id: cache-toolchain
+      #  uses: actions/cache@v2
+      #  env:
+      #    cache-name: cache-toolchain-10.3-2021.10
+      #  with:
+      #    path: ${{ runner.temp }}/arm-none-eabi
+      #    key: ${{ runner.os }}-build-${{ env.cache-name }}
+      #    restore-keys: ${{ runner.os }}-build-${{ env.cache-name }}
+
+      - name: Install Embedded ARM Toolchain arm-none-eabi-gcc
+        if: steps.cache-toolchain.outputs.cache-hit != 'true'  # Install toolchain if not found in cache
+        uses: carlosperate/arm-none-eabi-gcc-action@v1.3.0
         with:
-          # GNU Embedded Toolchain for Arm release name, in the V-YYYY-qZ format (e.g. "9-2019-q4")
-          release: 9-2020-q2
-          # Directory to unpack GCC to. Defaults to a temporary directory.
-          directory: ${{ runner.temp }}/arm-none-eabi
+          # GNU Embedded Toolchain for ARM release name, in the V-YYYY-qZ format (e.g. "9-2019-q4")
+          release: 10.3-2021.10
+          # Enviroment variable where to store the toolchain's path
+          path-env-var: ARM_NONE_EABI_GCC_PATH
 
       - name: Check cache for nRF5 SDK
         id:   cache-nrf5sdk
@@ -113,7 +113,7 @@ jobs:
         run:  |
           mkdir -p build
           cd build
-          cmake -DARM_NONE_EABI_TOOLCHAIN_PATH=${{ runner.temp }}/arm-none-eabi -DNRF5_SDK_PATH=${{ runner.temp }}/nrf5_sdk -DUSE_OPENOCD=1 -DBUILD_DFU=1 ../
+          cmake -DARM_NONE_EABI_TOOLCHAIN_PATH=$(dirname "$ARM_NONE_EABI_GCC_PATH") -DNRF5_SDK_PATH=${{ runner.temp }}/nrf5_sdk -DUSE_OPENOCD=1 -DBUILD_DFU=1 ../
 
         #########################################################################################
         # Make and Upload DFU Package

diff --git a/.vscode/launch.json b/.vscode/launch.json
@@ -52,13 +52,12 @@
             "servertype": "openocd",
             "runToMain": true,
             // Only use armToolchainPath if your arm-none-eabi-gdb is not in your path (some GCC packages does not contain arm-none-eabi-gdb)
-            "armToolchainPath": "${workspaceRoot}/../gcc-arm-none-eabi-9-2020-q2-update/bin",
+            "armToolchainPath": "${workspaceRoot}/../gcc-arm-none-eabi-10.3-2021.10/bin",
             "svdFile": "${workspaceRoot}/nrf52.svd",
             "configFiles": [
                 "interface/stlink.cfg",
                 "target/nrf52.cfg"
-            ],
+            ]
         }
-
     ]
 }
diff --git a/doc/MemoryAnalysis.md b/doc/MemoryAnalysis.md
@@ -51,12 +51,12 @@ Puncover is really easy to install:
     - `python -m virtualenv venv` 
     - `source venv/bin/activate`
  - Install : `pip install .`
- - Run : `puncover --gcc_tools_base=/path/to/gcc-arm-none-eabi-9-2020-q2-update/bin/arm-none-eabi- --elf_file /path/to/build/directory/src/pinetime-app-1.1.0.out --src_root /path/to/sources --build_dir /path/to/build/directory`
+ - Run : `puncover --gcc_tools_base=/path/to/gcc-arm-none-eabi-10.3-2021.10/bin/arm-none-eabi- --elf_file /path/to/build/directory/src/pinetime-app-1.1.0.out --src_root /path/to/sources --build_dir /path/to/build/directory`
      - Replace
-         * `/path/to/gcc-arm-none-eabi-9-2020-q2-update/bin` with the path to your gcc-arm-none-eabi toolchain
+         * `/path/to/gcc-arm-none-eabi-10.3-2021.10/bin` with the path to your gcc-arm-none-eabi toolchain
          * `/path/to/build/directory/src/pinetime-app-1.1.0.out` with the path to the binary generated by GCC (.out file)
          * `/path/to/sources` with the path to the root folder of the sources (checkout directory)
-        * `/path/to/build/directory` with the path to the build directory
+         * `/path/to/build/directory` with the path to the build directory
  - Launch a browser at http://localhost:5000/
 
 ### Analysis
@@ -285,5 +285,3 @@ auto nb = uxTaskGetSystemState(tasksStatus, 10, NULL);
 for (int i = 0; i < nb; i++) {
   NRF_LOG_INFO("Task [%s] - %d", tasksStatus[i].pcTaskName, tasksStatus[i].usStackHighWaterMark);
 ```
-
-
diff --git a/doc/buildAndProgram.md b/doc/buildAndProgram.md
@@ -27,12 +27,12 @@ CMake configures the project according to variables you specify the command line
 
  Variable | Description | Example|
 ----------|-------------|--------|
-**ARM_NONE_EABI_TOOLCHAIN_PATH**|path to the toolchain directory|`-DARM_NONE_EABI_TOOLCHAIN_PATH=/home/jf/nrf52/gcc-arm-none-eabi-9-2020-q2-update/`|
+**ARM_NONE_EABI_TOOLCHAIN_PATH**|path to the toolchain directory|`-DARM_NONE_EABI_TOOLCHAIN_PATH=/home/jf/nrf52/gcc-arm-none-eabi-10.3-2021.10/`|
 **NRF5_SDK_PATH**|path to the NRF52 SDK|`-DNRF5_SDK_PATH=/home/jf/nrf52/Pinetime/sdk`|
 **USE_JLINK, USE_GDB_CLIENT and USE_OPENOCD**|Enable *JLink* mode, *GDB Client* (Black Magic Probe) mode or *OpenOCD* mode (set the one you want to use to `1`)|`-DUSE_JLINK=1`
 **CMAKE_BUILD_TYPE (\*)**| Build type (Release or Debug). Release is applied by default if this variable is not specified.|`-DCMAKE_BUILD_TYPE=Debug`
 **NRFJPROG**|Path to the NRFJProg executable. Used only if `USE_JLINK` is 1.|`-DNRFJPROG=/opt/nrfjprog/nrfjprog`
-**GDB_CLIENT_BIN_PATH**|Path to arm-none-eabi-gdb executable. Used only if `USE_GDB_CLIENT` is 1.|`-DGDB_CLIENT_BIN_PATH=/home/jf/nrf52/gcc-arm-none-eabi-9-2019-q4-major/bin/arm-none-eabi-gdb`
+**GDB_CLIENT_BIN_PATH**|Path to arm-none-eabi-gdb executable. Used only if `USE_GDB_CLIENT` is 1.|`-DGDB_CLIENT_BIN_PATH=/home/jf/nrf52/gcc-arm-none-eabi-10.3-2021.10/bin/arm-none-eabi-gdb`
 **GDB_CLIENT_TARGET_REMOTE**|Target remote connection string. Used only if `USE_GDB_CLIENT` is 1.|`-DGDB_CLIENT_TARGET_REMOTE=/dev/ttyACM0`
 **BUILD_DFU (\*\*)**|Build DFU files while building (needs [adafruit-nrfutil](https://github.com/adafruit/Adafruit_nRF52_nrfutil)).|`-DBUILD_DFU=1`
 **WATCH_COLMI_P8**|Use pin configuration for Colmi P8 watch|`-DWATCH_COLMI_P8=1`

diff --git a/doc/buildWithVScode.md b/doc/buildWithVScode.md
@@ -6,9 +6,9 @@ The .VS Code folder contains configuration files for developing InfiniTime with
 
 To support as many setups as possible the VS Code configuration files expect there to be certain environment variables to be set.
 
- Variable | Description | Example
+Variable | Description | Example
 ----------|-------------|--------
-**ARM_NONE_EABI_TOOLCHAIN_PATH**|path to the toolchain directory|`export ARM_NONE_EABI_TOOLCHAIN_PATH=/opt/gcc-arm-none-eabi-9-2020-q2-update`
+**ARM_NONE_EABI_TOOLCHAIN_PATH**|path to the toolchain directory|`export ARM_NONE_EABI_TOOLCHAIN_PATH=/opt/gcc-arm-none-eabi-10.3-2021.10`
 **NRF5_SDK_PATH**|path to the NRF52 SDK|`export NRF5_SDK_PATH=/opt/nRF5_SDK_15.3.0_59ac345`
 
 ## VS Code Extensions
@@ -47,6 +47,3 @@ To use the DevContainer configuration on Ubuntu based systems two changes need t
 3. To start debugging launch openocd on your host system with the appropriate configuration, for example with a stlink-v2 the  command is:
 ``openocd -f interface/stlink.cfg -f target/nrf52.cfg``. This launches openocd with the default ports ``3333``, ``4444`` and ``6666``. 
 4. In VsCode go to the Debug pane on the left of the screen and select the configuration ``Debug - Openocd docker Remote`` and hit the play button on the left. 
-
-
-
diff --git a/docker/build.sh b/docker/build.sh
@@ -12,7 +12,7 @@ export BUILD_DIR="${BUILD_DIR:=$SOURCES_DIR/build}"
 export OUTPUT_DIR="${OUTPUT_DIR:=$BUILD_DIR/output}"
 
 export BUILD_TYPE=${BUILD_TYPE:=Release}
-export GCC_ARM_VER=${GCC_ARM_VER:="gcc-arm-none-eabi-9-2020-q2-update"}
+export GCC_ARM_VER=${GCC_ARM_VER:="gcc-arm-none-eabi-10.3-2021.10"}
 export NRF_SDK_VER=${NRF_SDK_VER:="nRF5_SDK_15.3.0_59ac345"}
 
 MACHINE="$(uname -m)"
@@ -22,7 +22,7 @@ main() {
   local target="$1"
 
   mkdir -p "$TOOLS_DIR"
-  
+
   [[ ! -d "$TOOLS_DIR/$GCC_ARM_VER" ]] && GetGcc
   [[ ! -d "$TOOLS_DIR/$NRF_SDK_VER" ]] && GetNrfSdk
   [[ ! -d "$TOOLS_DIR/mcuboot" ]] && GetMcuBoot
@@ -31,7 +31,7 @@ main() {
 
   CmakeGenerate
   CmakeBuild $target
-  BUILD_RESULT=$? 
+  BUILD_RESULT=$?
   if [ "$DISABLE_POSTBUILD" != "true" -a "$BUILD_RESULT" == 0 ]; then
     source "$BUILD_DIR/post_build.sh"
   fi
@@ -72,8 +72,8 @@ CmakeBuild() {
   local target="$1"
   [[ -n "$target" ]] && target="--target $target"
   if cmake --build "$BUILD_DIR" --config $BUILD_TYPE $target -- -j$(nproc)
-    then return 0; else return 1; 
+    then return 0; else return 1;
   fi
 }
 
-[[ $SOURCED == "false" ]] && main "$@" || echo "Sourced!"
+[[ $SOURCED == "false" ]] && main "$@" || echo "Sourced!"
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -802,8 +802,7 @@ link_directories(
         ../
 )
 
-
-set(COMMON_FLAGS -MP -MD -mthumb -mabi=aapcs -Wall -Wextra -Warray-bounds=2 -Wformat=2 -Wformat-overflow=2 -Wformat-truncation=2 -Wformat-nonliteral -ftree-vrp -Wno-unused-parameter -Wno-missing-field-initializers -Wno-unknown-pragmas -Wno-expansion-to-defined -g3 -ffunction-sections -fdata-sections -fno-strict-aliasing -fno-builtin --short-enums -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wreturn-type -Werror=return-type -fstack-usage -fno-exceptions -fno-non-call-exceptions)
+set(COMMON_FLAGS -MP -MD -mthumb -mabi=aapcs -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -flto -Wl,-flto -fuse-linker-plugin -Wl,-fuse-linker-plugin -fstack-usage -ftree-vrp -fstrict-aliasing -fshort-enums -fno-fat-lto-objects -fno-exceptions -fno-non-call-exceptions -fno-builtin -Wall -Wextra -Warray-bounds=2 -Wformat=2 -Wformat-overflow=2 -Wformat-truncation=2 -Wformat-nonliteral -Wreturn-type -Wno-unknown-pragmas -Werror=return-type -Os -g3)
 add_definitions(-DCONFIG_GPIO_AS_PINRESET)
 add_definitions(-DNIMBLE_CFG_CONTROLLER)
 add_definitions(-DOS_CPUTIME_FREQ)
@@ -820,6 +819,10 @@ if (NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE "Release")
 endif ()
 
+if (CMAKE_BUILD_TYPE MATCHES Release)
+    set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+endif ()
+
 # NRF SDK
 add_library(nrf-sdk STATIC ${SDK_SOURCE_FILES})
 target_include_directories(nrf-sdk SYSTEM PUBLIC . ../)
@@ -837,10 +840,10 @@ add_library(nimble STATIC ${NIMBLE_SRC} ${TINYCRYPT_SRC})
 target_include_directories(nimble SYSTEM PUBLIC . ../)
 target_include_directories(nimble SYSTEM PUBLIC ${INCLUDES_FROM_LIBS})
 target_compile_options(nimble PRIVATE
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-rtti>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -Wno-unused-parameter -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
 
@@ -893,7 +896,8 @@ set(EXECUTABLE_FILE_NAME ${EXECUTABLE_NAME}-${pinetime_VERSION_MAJOR}.${pinetime
 set(NRF5_LINKER_SCRIPT "${CMAKE_SOURCE_DIR}/gcc_nrf52.ld")
 add_executable(${EXECUTABLE_NAME} ${SOURCE_FILES})
 set_target_properties(${EXECUTABLE_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_FILE_NAME})
-target_link_libraries(${EXECUTABLE_NAME} nimble nrf-sdk lvgl littlefs QCBOR)
+target_link_libraries(${EXECUTABLE_NAME} nimble lvgl littlefs QCBOR nrf-sdk)
+target_link_options(${EXECUTABLE_NAME} PUBLIC -Os -fno-fat-lto-objects -fuse-linker-plugin -Wl,-z,now)
 target_compile_options(${EXECUTABLE_NAME} PUBLIC
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wextra -Wformat -Wno-missing-field-initializers -Wno-unused-parameter -Og -g3>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Wextra -Wformat -Wno-missing-field-initializers -Wno-unused-parameter -Os>
@@ -922,8 +926,9 @@ set(IMAGE_MCUBOOT_FILE_NAME ${EXECUTABLE_MCUBOOT_NAME}-image-${pinetime_VERSION_
 set(DFU_MCUBOOT_FILE_NAME ${EXECUTABLE_MCUBOOT_NAME}-dfu-${pinetime_VERSION_MAJOR}.${pinetime_VERSION_MINOR}.${pinetime_VERSION_PATCH}.zip)
 set(NRF5_LINKER_SCRIPT_MCUBOOT "${CMAKE_SOURCE_DIR}/gcc_nrf52-mcuboot.ld")
 add_executable(${EXECUTABLE_MCUBOOT_NAME} ${SOURCE_FILES})
-target_link_libraries(${EXECUTABLE_MCUBOOT_NAME} nimble nrf-sdk lvgl littlefs QCBOR)
 set_target_properties(${EXECUTABLE_MCUBOOT_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_MCUBOOT_FILE_NAME})
+target_link_libraries(${EXECUTABLE_MCUBOOT_NAME} nimble lvgl littlefs QCBOR nrf-sdk)
+target_link_options(${EXECUTABLE_MCUBOOT_NAME} PUBLIC -Os -fno-fat-lto-objects -fuse-linker-plugin -Wl,-z,now)
 target_compile_options(${EXECUTABLE_MCUBOOT_NAME} PUBLIC
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
@@ -952,13 +957,14 @@ if(BUILD_DFU)
             COMMAND adafruit-nrfutil dfu genpkg --dev-type 0x0052 --application ${IMAGE_MCUBOOT_FILE_NAME} ${DFU_MCUBOOT_FILE_NAME}
             COMMENT "post build (DFU) steps for ${EXECUTABLE_MCUBOOT_FILE_NAME}"
             )
-endif()
+endif ()
 
 # InfiniTime recovery firmware (autonomous)
 set(EXECUTABLE_RECOVERY_NAME "pinetime-recovery")
 set(EXECUTABLE_RECOVERY_FILE_NAME ${EXECUTABLE_RECOVERY_NAME}-${pinetime_VERSION_MAJOR}.${pinetime_VERSION_MINOR}.${pinetime_VERSION_PATCH})
 add_executable(${EXECUTABLE_RECOVERY_NAME} ${RECOVERY_SOURCE_FILES})
-target_link_libraries(${EXECUTABLE_RECOVERY_NAME} nimble nrf-sdk littlefs QCBOR)
+target_link_libraries(${EXECUTABLE_RECOVERY_NAME} nimble lvgl littlefs QCBOR nrf-sdk)
+target_link_options(${EXECUTABLE_RECOVERY_NAME} PUBLIC -Os -fno-fat-lto-objects -fuse-linker-plugin -Wl,-z,now)
 set_target_properties(${EXECUTABLE_RECOVERY_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_RECOVERY_FILE_NAME})
 target_compile_definitions(${EXECUTABLE_RECOVERY_NAME} PUBLIC "PINETIME_IS_RECOVERY")
 target_compile_options(${EXECUTABLE_RECOVERY_NAME} PUBLIC
@@ -988,7 +994,8 @@ set(EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME ${EXECUTABLE_RECOVERY_MCUBOOT_NAME}-${
 set(IMAGE_RECOVERY_MCUBOOT_FILE_NAME ${EXECUTABLE_RECOVERY_MCUBOOT_NAME}-image-${pinetime_VERSION_MAJOR}.${pinetime_VERSION_MINOR}.${pinetime_VERSION_PATCH}.bin)
 set(DFU_RECOVERY_MCUBOOT_FILE_NAME ${EXECUTABLE_RECOVERY_MCUBOOT_NAME}-dfu-${pinetime_VERSION_MAJOR}.${pinetime_VERSION_MINOR}.${pinetime_VERSION_PATCH}.zip)
 add_executable(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} ${RECOVERY_SOURCE_FILES})
-target_link_libraries(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} nimble nrf-sdk littlefs QCBOR)
+target_link_libraries(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} nimble lvgl littlefs QCBOR nrf-sdk)
+target_link_options(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PUBLIC -Os -fno-fat-lto-objects -fuse-linker-plugin -Wl,-z,now)
 set_target_properties(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME})
 target_compile_definitions(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PUBLIC "PINETIME_IS_RECOVERY")
 target_compile_options(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PUBLIC