diff --git a/.circleci/config.yml b/.circleci/config.yml
index 28afafb006..e77c689d7b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -42,7 +42,7 @@ jobs:
               FAMILY_LARGE=$(jq -n --argjson family "$FAMILY" --argjson resource "$RESOURCE_LARGE" '$family | map(select(IN($resource[])))')
               FAMILY=$(jq -n --argjson family "$FAMILY" --argjson resource "$RESOURCE_LARGE" '$family | map(select(IN($resource[]) | not))')
 
-              if [[ $toolchain == esp-idf ]]; then
+              if [[ "$toolchain" == "esp-idf" ]]; then
                 echo "      - build-vm:" >> .circleci/config2.yml
               else
                 echo "      - build:" >> .circleci/config2.yml
diff --git a/.circleci/config2.yml b/.circleci/config2.yml
index 6655fe45de..e811ef3ede 100644
--- a/.circleci/config2.yml
+++ b/.circleci/config2.yml
@@ -12,7 +12,7 @@ commands:
           command: |
             TOOLCHAIN_JSON='{
               "aarch64-gcc": "https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz",
-              "arm-clang": "https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/releases/download/release-17.0.1/LLVMEmbeddedToolchainForArm-17.0.1-Linux-x86_64.tar.xz",
+              "arm-clang": "https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/releases/download/release-19.1.1/LLVM-ET-Arm-19.1.1-Linux-x86_64.tar.xz",
               "arm-gcc": "https://github.com/xpack-dev-tools/arm-none-eabi-gcc-xpack/releases/download/v13.2.1-1.1/xpack-arm-none-eabi-gcc-13.2.1-1.1-linux-x64.tar.gz",
               "msp430-gcc": "http://software-dl.ti.com/msp430/msp430_public_sw/mcu/msp430/MSPGCC/9_2_0_0/export/msp430-gcc-9.2.0.50_linux64.tar.bz2",
               "riscv-gcc": "https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v13.2.0-2/xpack-riscv-none-elf-gcc-13.2.0-2-linux-x64.tar.gz",
diff --git a/examples/build_system/cmake/toolchain/aarch64_gcc.cmake b/examples/build_system/cmake/toolchain/aarch64_gcc.cmake
index 2d30a0b71d..ac1e482eb8 100644
--- a/examples/build_system/cmake/toolchain/aarch64_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/aarch64_gcc.cmake
@@ -7,9 +7,9 @@ if (NOT DEFINED CMAKE_CXX_COMPILER)
 endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_SIZE "aarch64-none-elf-size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "aarch64-none-elf-objcopy" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "aarch64-none-elf-objdump" CACHE FILEPATH "")
+find_program(CMAKE_SIZE aarch64-none-elf-size)
+find_program(CMAKE_OBJCOPY aarch64-none-elf-objcopy)
+find_program(CMAKE_OBJDUMP aarch64-none-elf-objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
 
diff --git a/examples/build_system/cmake/toolchain/arm_clang.cmake b/examples/build_system/cmake/toolchain/arm_clang.cmake
index 754d672fd0..fe3c2b4539 100644
--- a/examples/build_system/cmake/toolchain/arm_clang.cmake
+++ b/examples/build_system/cmake/toolchain/arm_clang.cmake
@@ -7,9 +7,9 @@ if (NOT DEFINED CMAKE_CXX_COMPILER)
 endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_SIZE "llvm-size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "llvm-objcopy" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "llvm-objdump" CACHE FILEPATH "")
+find_program(CMAKE_SIZE llvm-size)
+find_program(CMAKE_OBJCOPY llvm-objcopy)
+find_program(CMAKE_OBJDUMP llvm-objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
 
diff --git a/examples/build_system/cmake/toolchain/arm_gcc.cmake b/examples/build_system/cmake/toolchain/arm_gcc.cmake
index d3d73c629c..0b0949dd89 100644
--- a/examples/build_system/cmake/toolchain/arm_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/arm_gcc.cmake
@@ -7,9 +7,9 @@ if (NOT DEFINED CMAKE_CXX_COMPILER)
 endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_SIZE "arm-none-eabi-size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "arm-none-eabi-objcopy" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "arm-none-eabi-objdump" CACHE FILEPATH "")
+find_program(CMAKE_SIZE arm-none-eabi-size)
+find_program(CMAKE_OBJCOPY arm-none-eabi-objcopy)
+find_program(CMAKE_OBJDUMP arm-none-eabi-objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
 
diff --git a/examples/build_system/cmake/toolchain/arm_iar.cmake b/examples/build_system/cmake/toolchain/arm_iar.cmake
index 6d2219ca86..083815715d 100644
--- a/examples/build_system/cmake/toolchain/arm_iar.cmake
+++ b/examples/build_system/cmake/toolchain/arm_iar.cmake
@@ -10,8 +10,8 @@ if (NOT DEFINED CMAKE_ASM_COMPILER)
   set(CMAKE_ASM_COMPILER "iasmarm")
 endif()
 
-set(CMAKE_SIZE "size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "ielftool" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "iefdumparm" CACHE FILEPATH "")
+find_program(CMAKE_SIZE size)
+find_program(CMAKE_OBJCOPY ielftool)
+find_program(CMAKE_OBJDUMP iefdumparm)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
diff --git a/examples/build_system/cmake/toolchain/msp430_gcc.cmake b/examples/build_system/cmake/toolchain/msp430_gcc.cmake
index 73368adba9..7995189317 100644
--- a/examples/build_system/cmake/toolchain/msp430_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/msp430_gcc.cmake
@@ -8,8 +8,8 @@ endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
 
-set(CMAKE_SIZE "msp430-elf-size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "msp430-elf-objcopy" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "msp430-elf-objdump" CACHE FILEPATH "")
+find_program(CMAKE_SIZE msp430-elf-size)
+find_program(CMAKE_OBJCOPY msp430-elf-objcopy)
+find_program(CMAKE_OBJDUMP msp430-elf-objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
diff --git a/examples/build_system/cmake/toolchain/riscv_gcc.cmake b/examples/build_system/cmake/toolchain/riscv_gcc.cmake
index d788df0232..60a24528bc 100644
--- a/examples/build_system/cmake/toolchain/riscv_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/riscv_gcc.cmake
@@ -16,9 +16,9 @@ if (NOT DEFINED CMAKE_CXX_COMPILER)
 endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_SIZE ${CROSS_COMPILE}size CACHE FILEPATH "")
-set(CMAKE_OBJCOPY ${CROSS_COMPILE}objcopy CACHE FILEPATH "")
-set(CMAKE_OBJDUMP ${CROSS_COMPILE}objdump CACHE FILEPATH "")
+find_program(CMAKE_SIZE ${CROSS_COMPILE}size)
+find_program(CMAKE_OBJCOPY ${CROSS_COMPILE}objcopy)
+find_program(CMAKE_OBJDUMP ${CROSS_COMPILE}objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
 
diff --git a/hw/bsp/kinetis_k/FreeRTOSConfig/FreeRTOSConfig.h b/hw/bsp/kinetis_k/FreeRTOSConfig/FreeRTOSConfig.h
index ed46508a46..76004241a2 100644
--- a/hw/bsp/kinetis_k/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/hw/bsp/kinetis_k/FreeRTOSConfig/FreeRTOSConfig.h
@@ -129,8 +129,6 @@
         }\
       }\
     } while(0)
-#else
-  #define configASSERT( x )
 #endif
 
 /* FreeRTOS hooks to NVIC vectors */
diff --git a/tools/build.py b/tools/build.py
index 48666adc47..429ffe8d65 100755
--- a/tools/build.py
+++ b/tools/build.py
@@ -36,13 +36,16 @@ def run_cmd(cmd):
         if os.getenv('GITHUB_ACTIONS'):
             print(f"::group::{title}")
             print(r.stdout.decode("utf-8"))
+            print(r.stderr.decode("utf-8"))
             print(f"::endgroup::")
         else:
             print(title)
             print(r.stdout.decode("utf-8"))
+            print(r.stderr.decode("utf-8"))
     elif verbose:
         print(cmd)
         print(r.stdout.decode("utf-8"))
+        print(r.stderr.decode("utf-8"))
     return r