variants: generate cflags.txt and includes.txt from llext-edk

boards.txt

@@ -25,8 +25,6 @@ giga.build.extra_flags=
 giga.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 giga.build.architecture=cortex-m7
 giga.build.board=GIGA
-giga.compiler.zephyr.defines=-DLL_EXTENSION_BUILD -DCONFIG_ARDUINO_API_SERIAL_BUFFER_SIZE=256 -DHSE_VALUE=16000000 -DKERNEL -DK_HEAP_MEM_POOL_SIZE=16384 -DPICOLIBC_LONG_LONG_PRINTF_SCANF -DSTM32H747xx -DUSE_FULL_LL_DRIVER -DUSE_HAL_DRIVER -D__LINUX_ERRNO_EXTENSIONS__ -D__PROGRAM_START -D__ZEPHYR__=1  -imacros{build.variant.path}/llext-edk/include/zephyr/include/generated/zephyr/autoconf.h -imacros{build.variant.path}/llext-edk/include/zephyr/include/zephyr/toolchain/zephyr_stdint.h
-giga.compiler.zephyr.cflags=-fno-strict-aliasing -fno-printf-return-value -fno-common -mcpu=cortex-m7 -mthumb -mabi=aapcs -mfp16-format=ieee -mtp=soft -Wall -Wformat -Wformat-security -Wno-format-zero-length -Wdouble-promotion -Wno-pointer-sign -Wpointer-arith -Wexpansion-to-defined -Wno-unused-but-set-variable -Werror=implicit-int -fno-asynchronous-unwind-tables -ftls-model=local-exec -fno-reorder-functions --param=min-pagesize=0 -fno-defer-pop --specs=picolibc.specs -D_POSIX_THREADS -mlong-calls -nodefaultlibs
 giga.compiler.zephyr=
 giga.vid.0=0x2341
 giga.pid.0=0x0066
@@ -92,8 +90,6 @@ nano33ble.build.extra_flags=
 nano33ble.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 nano33ble.build.architecture=cortex-m4
 nano33ble.build.board=ARDUINO_NANO33BLE
-nano33ble.compiler.zephyr.defines=-DLL_EXTENSION_BUILD -DCONFIG_ARDUINO_API_SERIAL_BUFFER_SIZE=256 -DNRF52840_XXAA -DKERNEL -DK_HEAP_MEM_POOL_SIZE=32768 -DPICOLIBC_LONG_LONG_PRINTF_SCANF -D__LINUX_ERRNO_EXTENSIONS__ -D__PROGRAM_START -D__ZEPHYR__=1  -imacros{build.variant.path}/llext-edk/include/zephyr/include/generated/zephyr/autoconf.h -imacros{build.variant.path}/llext-edk/include/zephyr/include/zephyr/toolchain/zephyr_stdint.h
-nano33ble.compiler.zephyr.cflags=-fno-strict-aliasing -fno-printf-return-value -fno-common -mcpu=cortex-m4 -mthumb -mabi=aapcs -mfp16-format=ieee -mtp=soft -Wall -Wformat -Wformat-security -Wno-format-zero-length -Wdouble-promotion -Wno-pointer-sign -Wpointer-arith -Wexpansion-to-defined -Wno-unused-but-set-variable -Werror=implicit-int -fno-asynchronous-unwind-tables -ftls-model=local-exec -fno-reorder-functions --param=min-pagesize=0 -fno-defer-pop --specs=picolibc.specs -D_POSIX_THREADS -mlong-calls -nodefaultlibs
 nano33ble.compiler.zephyr=
 nano33ble.vid.0=0x2341
 nano33ble.pid.0=0x035a
@@ -158,8 +154,6 @@ ek_ra8d1.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 ek_ra8d1.build.architecture=cortex-m85+nomve
 ek_ra8d1.build.board=ek_ra8d1
 ek_ra8d1.compiler.zephyr.arch.define=
-ek_ra8d1.compiler.zephyr.defines=-DLL_EXTENSION_BUILD -DCONFIG_ARDUINO_API_SERIAL_BUFFER_SIZE=256 -DHSE_VALUE=16000000 -DKERNEL -DK_HEAP_MEM_POOL_SIZE=16384 -DPICOLIBC_LONG_LONG_PRINTF_SCANF -DSTM32H747xx -DUSE_FULL_LL_DRIVER -DUSE_HAL_DRIVER -D__LINUX_ERRNO_EXTENSIONS__ -D__PROGRAM_START -D__ZEPHYR__=1  -imacros{build.variant.path}/llext-edk/include/zephyr/include/generated/zephyr/autoconf.h -imacros{build.variant.path}/llext-edk/include/zephyr/include/zephyr/toolchain/zephyr_stdint.h
-ek_ra8d1.compiler.zephyr.cflags=-fno-strict-aliasing -fno-printf-return-value -fno-common -mthumb -mabi=aapcs -mfp16-format=ieee -mtp=soft -Wall -Wformat -Wformat-security -Wno-format-zero-length -Wdouble-promotion -Wno-pointer-sign -Wpointer-arith -Wexpansion-to-defined -Wno-unused-but-set-variable -Werror=implicit-int -fno-asynchronous-unwind-tables -ftls-model=local-exec -fno-reorder-functions --param=min-pagesize=0 -fno-defer-pop --specs=picolibc.specs -D_POSIX_THREADS -mlong-calls -nodefaultlibs
 
 #ek_ra8d1.recipe.hooks.objcopy.postobjcopy.4.pattern=cp {build.variant.path}/flasher.jlink "{build.path}/flasher.jlink"
 #ek_ra8d1.recipe.hooks.objcopy.postobjcopy.5.pattern=sed -i 's|SKETCH|"{build.path}/{build.project_name}.llext.dfu.bin"|g' "{build.path}/flasher.jlink"
@@ -217,8 +211,6 @@ frdm_mcxn947.build.extra_flags=
 frdm_mcxn947.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 frdm_mcxn947.build.board=frdm_mcxn947
 frdm_mcxn947.compiler.zephyr.arch.define=
-frdm_mcxn947.compiler.zephyr.defines=-DLL_EXTENSION_BUILD -DCONFIG_ARDUINO_API_SERIAL_BUFFER_SIZE=256 -DCPU_MCXN947VDF_cm33_core0 -DKERNEL -DK_HEAP_MEM_POOL_SIZE=16384 -DLPFLEXCOMM_INIT_NOT_USED_IN_DRIVER=1 -DNDEBUG -DPICOLIBC_DOUBLE_PRINTF_SCANF -D__LINUX_ERRNO_EXTENSIONS__ -D__PROGRAM_START -D__ZEPHYR__=1 -imacros{build.variant.path}/llext-edk/include/zephyr/include/generated/zephyr/autoconf.h -imacros{build.variant.path}/llext-edk/include/zephyr/include/zephyr/toolchain/zephyr_stdint.h
-frdm_mcxn947.compiler.zephyr.cflags=-fno-strict-aliasing -fno-printf-return-value -fno-common -mthumb -mabi=aapcs -mfp16-format=ieee -mtp=soft -Wall -Wformat -Wformat-security -Wno-format-zero-length -Wdouble-promotion -Wno-pointer-sign -Wpointer-arith -Wexpansion-to-defined -Wno-unused-but-set-variable -Werror=implicit-int -fno-asynchronous-unwind-tables -ftls-model=local-exec -fno-reorder-functions --param=min-pagesize=0 -fno-defer-pop --specs=picolibc.specs -D_POSIX_THREADS -mlong-calls -nodefaultlibs
 frdm_mcxn947.compiler.zephyr=
 frdm_mcxn947.vid.0=0x1fc9
 frdm_mcxn947.pid.0=0x0143
@@ -272,8 +264,6 @@ portentah7.build.extra_flags=
 portentah7.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 portentah7.build.architecture=cortex-m7
 portentah7.build.board=PORTENTA_H7
-portentah7.compiler.zephyr.defines=-DLL_EXTENSION_BUILD -DCONFIG_ARDUINO_API_SERIAL_BUFFER_SIZE=256 -DHSE_VALUE=25000000 -DKERNEL -DK_HEAP_MEM_POOL_SIZE=16384 -DPICOLIBC_LONG_LONG_PRINTF_SCANF -DSTM32H747xx -DUSE_FULL_LL_DRIVER -DUSE_HAL_DRIVER -D__LINUX_ERRNO_EXTENSIONS__ -D__PROGRAM_START -D__ZEPHYR__=1  -imacros{build.variant.path}/llext-edk/include/zephyr/include/generated/zephyr/autoconf.h -imacros{build.variant.path}/llext-edk/include/zephyr/include/zephyr/toolchain/zephyr_stdint.h
-portentah7.compiler.zephyr.cflags=-fno-strict-aliasing -fno-printf-return-value -fno-common -mcpu=cortex-m7 -mthumb -mabi=aapcs -mfp16-format=ieee -mtp=soft -Wall -Wformat -Wformat-security -Wno-format-zero-length -Wdouble-promotion -Wno-pointer-sign -Wpointer-arith -Wexpansion-to-defined -Wno-unused-but-set-variable -Werror=implicit-int -fno-asynchronous-unwind-tables -ftls-model=local-exec -fno-reorder-functions --param=min-pagesize=0 -fno-defer-pop --specs=picolibc.specs -D_POSIX_THREADS -mlong-calls -nodefaultlibs
 portentah7.compiler.zephyr=
 portentah7.vid.0=0x2341
 portentah7.pid.0=0x005b
@@ -339,8 +329,6 @@ frdm_rw612.build.extra_flags=
 frdm_rw612.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 frdm_rw612.build.board=frdm_rw612
 frdm_rw612.compiler.zephyr.arch.define=
-frdm_rw612.compiler.zephyr.defines=-DLL_EXTENSION_BUILD -DCONFIG_ARDUINO_API_SERIAL_BUFFER_SIZE=256 -DCPU_RW612ETA2I -DRW610 -DKERNEL -DK_HEAP_MEM_POOL_SIZE=122880 -DLPFLEXCOMM_INIT_NOT_USED_IN_DRIVER=1 -DNDEBUG -DPICOLIBC_DOUBLE_PRINTF_SCANF -D__LINUX_ERRNO_EXTENSIONS__ -D__PROGRAM_START -D__ZEPHYR__=1 -imacros{build.variant.path}/llext-edk/include/zephyr/include/generated/zephyr/autoconf.h -imacros{build.variant.path}/llext-edk/include/zephyr/include/zephyr/toolchain/zephyr_stdint.h
-frdm_rw612.compiler.zephyr.cflags=-fno-strict-aliasing -fno-printf-return-value -fno-common -mthumb -mabi=aapcs -mfp16-format=ieee -mtp=soft -Wall -Wformat -Wformat-security -Wno-format-zero-length -Wdouble-promotion -Wno-pointer-sign -Wpointer-arith -Wexpansion-to-defined -Wno-unused-but-set-variable -Werror=implicit-int -fno-asynchronous-unwind-tables -ftls-model=local-exec -fno-reorder-functions --param=min-pagesize=0 -fno-defer-pop --specs=picolibc.specs -D_POSIX_THREADS -mlong-calls -nodefaultlibs
 frdm_rw612.compiler.zephyr=
 frdm_rw612.vid.0=0x1fc9
 frdm_rw612.pid.0=0x0143
@@ -393,8 +381,6 @@ niclasense.build.extra_flags=
 niclasense.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 niclasense.build.architecture=cortex-m4
 niclasense.build.board=ARDUINO_NICLA_SENSE_ME
-niclasense.compiler.zephyr.defines=-DLL_EXTENSION_BUILD -DCONFIG_ARDUINO_API_SERIAL_BUFFER_SIZE=256 -DNRF52832_XXAA -DK_HEAP_MEM_POOL_SIZE=1024 -DKERNEL -DPICOLIBC_LONG_LONG_PRINTF_SCANF -D__LINUX_ERRNO_EXTENSIONS__ -D__PROGRAM_START -D__ZEPHYR__=1  -imacros{build.variant.path}/llext-edk/include/zephyr/include/generated/zephyr/autoconf.h -imacros{build.variant.path}/llext-edk/include/zephyr/include/zephyr/toolchain/zephyr_stdint.h
-niclasense.compiler.zephyr.cflags=-fno-strict-aliasing -fno-printf-return-value -fno-common -mcpu=cortex-m4 -mthumb -mabi=aapcs -mfp16-format=ieee -mtp=soft -Wall -Wformat -Wformat-security -Wno-format-zero-length -Wdouble-promotion -Wno-pointer-sign -Wpointer-arith -Wexpansion-to-defined -Wno-unused-but-set-variable -Werror=implicit-int -fno-asynchronous-unwind-tables -ftls-model=local-exec -fno-reorder-functions --param=min-pagesize=0 -fno-defer-pop --specs=picolibc.specs -D_POSIX_THREADS -mlong-calls -nodefaultlibs
 niclasense.compiler.zephyr=
 niclasense.vid.0=0x2341
 niclasense.pid.0=0x0360
@@ -474,8 +460,6 @@ portentac33.build.extra_flags=
 portentac33.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 portentac33.build.board=arduino_portenta_c33
 portentac33.compiler.zephyr.arch.define=
-portentac33.compiler.zephyr.defines=-DLL_EXTENSION_BUILD -DCONFIG_ARDUINO_API_SERIAL_BUFFER_SIZE=256 -DKERNEL -DK_HEAP_MEM_POOL_SIZE=122880 -DNDEBUG -DPICOLIBC_DOUBLE_PRINTF_SCANF -D__LINUX_ERRNO_EXTENSIONS__ -D__PROGRAM_START -D__ZEPHYR__=1 -imacros{build.variant.path}/llext-edk/include/zephyr/include/generated/zephyr/autoconf.h -imacros{build.variant.path}/llext-edk/include/zephyr/include/zephyr/toolchain/zephyr_stdint.h
-portentac33.compiler.zephyr.cflags=-fno-strict-aliasing -fno-printf-return-value -fno-common -mthumb -mabi=aapcs -mfp16-format=ieee -mtp=soft -Wall -Wformat -Wformat-security -Wno-format-zero-length -Wdouble-promotion -Wno-pointer-sign -Wpointer-arith -Wexpansion-to-defined -Wno-unused-but-set-variable -Werror=implicit-int -fno-asynchronous-unwind-tables -ftls-model=local-exec -fno-reorder-functions --param=min-pagesize=0 -fno-defer-pop --specs=picolibc.specs -D_POSIX_THREADS -mlong-calls -nodefaultlibs
 portentac33.compiler.zephyr=
 portentac33.vid.0=0x2341
 portentac33.pid.0=0x0068

extra/build.sh

@@ -1,9 +1,17 @@
-if [ x$ZEPHYR_SDK_INSTALL_DIR == x"" ]; then
-export ZEPHYR_SDK_INSTALL_DIR=/ssd/zephyr-sdk-0.16.8/
-fi
+#!/bin/bash
 
 set -e
 
+if [ x$ZEPHYR_SDK_INSTALL_DIR == x"" ]; then
+	SDK_PATH=$(west sdk list | grep path | tail -n 1 | cut -d ':' -f 2 | tr -d ' ')
+	if [ x$SDK_PATH == x ]; then
+		echo "ZEPHYR_SDK_INSTALL_DIR not set and no SDK found"
+		exit 1
+	fi
+	echo "ZEPHYR_SDK_INSTALL_DIR not set, using $SDK_PATH"
+	export ZEPHYR_SDK_INSTALL_DIR=${SDK_PATH}
+fi
+
 board=$1
 variant=$2
 third_arg=$3
@@ -21,7 +29,7 @@ if [ "$third_arg" != "" ]; then
 fi
 
 (west build loader -b $board -p $extra_args && west build -t llext-edk)
-(tar xfp build/zephyr/llext-edk.tar.xz --directory variants/$variant/)
+(rm -rf variants/$variant/* && tar xfp build/zephyr/llext-edk.tar.xz --directory variants/$variant/)
 
 (cp build/zephyr/zephyr.elf firmwares/zephyr-$variant.elf)
 if [ -f build/zephyr/zephyr.bin ]; then
@@ -47,3 +55,5 @@ sed -i 's/PROVIDE(free =/PROVIDE(__wrap_free =/g' variants/$variant/provides.ld
 sed -i 's/PROVIDE(realloc =/PROVIDE(__wrap_realloc =/g' variants/$variant/provides.ld
 sed -i 's/PROVIDE(calloc =/PROVIDE(__wrap_calloc =/g' variants/$variant/provides.ld
 sed -i 's/PROVIDE(random =/PROVIDE(__wrap_random =/g' variants/$variant/provides.ld
+
+cmake -P extra/gen_arduino_files.cmake $variant

extra/gen_arduino_files.cmake

@@ -0,0 +1,61 @@
+# get root dir for the project
+cmake_path(SET TOP_DIR NORMALIZE ${CMAKE_CURRENT_LIST_DIR}/..)
+
+# get list of variants to be applied
+if(CMAKE_ARGC GREATER 3)
+	# cmake -P <script> <variant> ...
+	foreach(index RANGE 4 ${CMAKE_ARGC})
+		math(EXPR index "${index} - 1")
+		list(APPEND VARIANTS "${CMAKE_ARGV${index}}")
+	endforeach()
+	list(TRANSFORM VARIANTS REPLACE "/$" "")
+	list(TRANSFORM VARIANTS REPLACE ".*/" "")
+else()
+	# build for all valid variants
+	file(GLOB VARIANTS RELATIVE ${TOP_DIR}/variants variants/*)
+	list(REMOVE_ITEM VARIANTS llext linked)
+endif()
+
+foreach(variant ${VARIANTS})
+	if(NOT IS_DIRECTORY variants/${variant})
+		continue()
+	endif()
+
+	cmake_path(SET dir ${TOP_DIR}/variants/${variant})
+	if(NOT EXISTS ${dir}/llext-edk/cmake.cflags)
+		continue()
+	endif()
+
+	message(STATUS "Processing ${variant}")
+	include(${dir}/llext-edk/cmake.cflags)
+
+	list(TRANSFORM LLEXT_ALL_INCLUDE_CFLAGS REPLACE "-I${dir}" "-iwithprefixbefore")
+	list(JOIN LLEXT_ALL_INCLUDE_CFLAGS "\n" EDK_INCLUDES)
+	file(WRITE ${dir}/includes.txt "${EDK_INCLUDES}")
+
+	# exclude -imacros entries in platform from the list, make sure no others are present
+	list(FILTER LLEXT_BASE_CFLAGS EXCLUDE REGEX "-imacros.*autoconf.h")
+	list(FILTER LLEXT_BASE_CFLAGS EXCLUDE REGEX "-imacros.*zephyr_stdint.h")
+	set(other_imacros "${LLEXT_BASE_CFLAGS}")
+	list(FILTER other_imacros INCLUDE REGEX "-imacros.*")
+	if(other_imacros)
+		message(FATAL_ERROR "Unexpected -imacros in LLEXT_BASE_CFLAGS: ${other_imacros}")
+	endif()
+
+	# exclude other problematic macros shared between C and C++
+	list(FILTER LLEXT_BASE_CFLAGS EXCLUDE REGEX "-fdiagnostics-color=always")
+
+	# (temp) generate C++ flags from C flags
+	set(LLEXT_BASE_CXXFLAGS ${LLEXT_BASE_CFLAGS})
+	list(FILTER LLEXT_BASE_CXXFLAGS EXCLUDE REGEX "-Wno-pointer-sign")
+	list(FILTER LLEXT_BASE_CXXFLAGS EXCLUDE REGEX "-Werror=implicit-int")
+	list(FILTER LLEXT_BASE_CXXFLAGS EXCLUDE REGEX "-std=c.*")
+
+	# save flag files
+	list(JOIN LLEXT_BASE_CFLAGS "\n" EDK_CFLAGS)
+	file(WRITE ${dir}/cflags.txt "${EDK_CFLAGS}")
+
+
+	list(JOIN LLEXT_BASE_CXXFLAGS "\n" EDK_CXXFLAGS)
+	file(WRITE ${dir}/cxxflags.txt "${EDK_CXXFLAGS}")
+endforeach()

platform.txt

@@ -17,13 +17,13 @@ compiler.warning_flags.all=-Wall -Wextra
 
 compiler.path={build.compiler_path}
 compiler.c.cmd={build.crossprefix}gcc
-compiler.c.flags=-g -c {compiler.warning_flags} {compiler.zephyr.defines} {compiler.zephyr.cflags} {compiler.zephyr.arch.define} -MMD -mcpu={build.mcu} {build.float-abi} {build.fpu}
+compiler.c.flags=-g -c {compiler.warning_flags} {compiler.zephyr.macros} "@{compiler.zephyr.cflags}" {compiler.zephyr.arch.define} -MMD -mcpu={build.mcu} {build.float-abi} {build.fpu}
 compiler.c.elf.cmd={build.crossprefix}g++
 compiler.c.elf.flags={build.llext_link_flags} -Wl,--gc-sections -mcpu={build.mcu} {build.float-abi} {build.fpu} -std=c++17
 compiler.S.cmd={build.crossprefix}g++
 compiler.S.flags=-c -x assembler-with-cpp -mcpu={build.mcu} {build.fpu}
 compiler.cpp.cmd={build.crossprefix}g++
-compiler.cpp.flags=-g -Os -std=c++17 -c {compiler.warning_flags} {compiler.zephyr.defines} {compiler.zephyr.common_ldflags} {compiler.zephyr.extra_ldflags} {compiler.zephyr.cflags} {compiler.zephyr.common_cxxflags} {compiler.zephyr.extra_cxxflags} {compiler.zephyr.arch.define} -MMD -mcpu={build.mcu} {build.float-abi} {build.fpu}
+compiler.cpp.flags=-g -Os -std=c++17 -c {compiler.warning_flags} {compiler.zephyr.macros} "@{compiler.zephyr.cxxflags}" {compiler.zephyr.common_ldflags} {compiler.zephyr.extra_ldflags} {compiler.zephyr.common_cxxflags} {compiler.zephyr.extra_cxxflags} {compiler.zephyr.arch.define} -MMD -mcpu={build.mcu} {build.float-abi} {build.fpu}
 compiler.ar.cmd={build.crossprefix}ar
 compiler.ar.flags=rcs
 compiler.objcopy.cmd=
@@ -36,7 +36,10 @@ compiler.libraries.ldflags=
 compiler.size.cmd={build.crossprefix}size
 compiler.define=-DARDUINO=
 
-compiler.zephyr.includes={board.variant.path}/includes.txt
+compiler.zephyr.includes={build.variant.path}/includes.txt
+compiler.zephyr.cflags={build.variant.path}/cflags.txt
+compiler.zephyr.cxxflags={build.variant.path}/cxxflags.txt
+compiler.zephyr.macros=-imacros{build.variant.path}/llext-edk/include/zephyr/include/generated/zephyr/autoconf.h -imacros{build.variant.path}/llext-edk/include/zephyr/include/zephyr/toolchain/zephyr_stdint.h
 compiler.zephyr.common_cxxflags=-fdata-sections -ffunction-sections -fno-unwind-tables
 compiler.zephyr.common_ldflags=-fno-exceptions -fno-rtti -fno-threadsafe-statics -fno-unwind-tables -fno-use-cxa-atexit -lstdc++ -lsupc++ -lnosys -nostdlib
 
@@ -96,7 +99,7 @@ recipe.S.o.pattern="{compiler.path}{compiler.S.cmd}" {compiler.S.flags} -DARDUIN
 recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{archive_file_path}" "{object_file}"
 
 ## Combine gc-sections, archives, and objects
-recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}"  "-L{build.path}" {compiler.c.elf.flags} {compiler.c.elf.extra_flags} {build.extra_flags} {build.extra_ldflags} {compiler.zephyr.ldflags} "-T{build.ldscript}" "-Wl,-Map,{build.path}/{build.project_name}.map" --specs=picolibc.specs --specs=nosys.specs {compiler.ldflags} -o "{build.path}/{build.project_name}_debug.elf" {object_files} "{build.path}/{archive_file}" {compiler.zephyr} {compiler.zephyr.extra_ldflags} {compiler.libraries.ldflags}
+recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}"  "-L{build.path}" {compiler.c.elf.flags} {compiler.c.elf.extra_flags} {build.extra_flags} {build.extra_ldflags} {compiler.zephyr.common_ldflags} "-T{build.ldscript}" "-Wl,-Map,{build.path}/{build.project_name}.map" --specs=picolibc.specs --specs=nosys.specs {compiler.ldflags} -o "{build.path}/{build.project_name}_debug.elf" {object_files} "{build.path}/{archive_file}" {compiler.zephyr} {compiler.zephyr.extra_ldflags} {compiler.libraries.ldflags}
 recipe.hooks.linking.postlink.1.pattern="{compiler.path}{build.crossprefix}strip" --strip-debug {build.path}/{build.project_name}_debug.elf -o{build.path}/{build.project_name}.elf
 
 ## Create eeprom

variants/arduino_giga_r1_m7/cflags.txt

@@ -0,0 +1,44 @@
+-DKERNEL
+-D__ZEPHYR__=1
+-D__LINUX_ERRNO_EXTENSIONS__
+-DPICOLIBC_DOUBLE_PRINTF_SCANF
+-D__PROGRAM_START
+-DSTM32H747xx
+-DUSE_HAL_DRIVER
+-DUSE_FULL_LL_DRIVER
+-DCORE_CM7
+-DHSE_VALUE=16000000
+-DK_HEAP_MEM_POOL_SIZE=65536
+-DLL_EXTENSION_BUILD
+-fno-strict-aliasing
+-fno-common
+-fdiagnostics-color=always
+-mcpu=cortex-m7
+-mthumb
+-mabi=aapcs
+-mfpu=fpv5-d16
+-mfloat-abi=hard
+-mfp16-format=ieee
+-mtp=soft
+-Wall
+-Wformat
+-Wformat-security
+-Wformat
+-Wno-format-zero-length
+-Wdouble-promotion
+-Wno-pointer-sign
+-Wpointer-arith
+-Wexpansion-to-defined
+-Wno-unused-but-set-variable
+-Werror=implicit-int
+-fno-asynchronous-unwind-tables
+-ftls-model=local-exec
+-fno-reorder-functions
+--param=min-pagesize=0
+-fno-defer-pop
+-specs=picolibc.specs
+-D_POSIX_THREADS
+-std=c99
+-mlong-calls
+-mthumb
+-nodefaultlibs

variants/arduino_giga_r1_m7/includes.txt

@@ -4,11 +4,12 @@
 -iwithprefixbefore/llext-edk/include/zephyr/soc/st/stm32
 -iwithprefixbefore/llext-edk/include/zephyr/lib/libc/common/include
 -iwithprefixbefore/llext-edk/include/zephyr/lib/posix/options/getopt/
+-iwithprefixbefore/llext-edk/include/zephyr/lib/cpp/minimal/include
 -iwithprefixbefore/llext-edk/include/zephyr/soc/st/stm32/common/.
 -iwithprefixbefore/llext-edk/include/zephyr/drivers
 -iwithprefixbefore/llext-edk/include/zephyr/soc/st/stm32/stm32h7x/.
 -iwithprefixbefore/llext-edk/include/zephyr/subsys/usb/device
--iwithprefixbefore/llext-edk/include/zephyr-arduino-core/include
+-iwithprefixbefore/llext-edk/include/zephyr/subsys/shell/modules/kernel_service/thread/../
 -iwithprefixbefore/llext-edk/include/modules/hal/cmsis/CMSIS/Core/Include
 -iwithprefixbefore/llext-edk/include/zephyr/modules/cmsis/.
 -iwithprefixbefore/llext-edk/include/modules/hal/stm32/stm32cube/stm32h7xx/soc

variants/arduino_nano_33_ble_sense/cflags.txt

@@ -0,0 +1,43 @@
+-DKERNEL
+-D__ZEPHYR__=1
+-D__LINUX_ERRNO_EXTENSIONS__
+-DPICOLIBC_DOUBLE_PRINTF_SCANF
+-D__PROGRAM_START
+-DNRF52840_XXAA
+-DK_HEAP_MEM_POOL_SIZE=16384
+-DLL_EXTENSION_BUILD
+-fno-strict-aliasing
+-fstack-protector
+-mstack-protector-guard=global
+-fno-common
+-fdiagnostics-color=always
+-mcpu=cortex-m4
+-mthumb
+-mabi=aapcs
+-mfpu=fpv4-sp-d16
+-mfloat-abi=hard
+-mfp16-format=ieee
+-mtp=soft
+-Wall
+-Wformat
+-Wformat-security
+-Wformat
+-Wno-format-zero-length
+-Wdouble-promotion
+-Wno-pointer-sign
+-Wpointer-arith
+-Wexpansion-to-defined
+-Wno-unused-but-set-variable
+-Werror=implicit-int
+-fno-asynchronous-unwind-tables
+-ftls-model=local-exec
+-fno-reorder-functions
+--param=min-pagesize=0
+-fno-defer-pop
+-fstack-usage
+-specs=picolibc.specs
+-D_POSIX_THREADS
+-std=c99
+-mlong-calls
+-mthumb
+-nodefaultlibs