picolibc: get --picolibc-buildtype=release working

cmake/zephyr/generic.cmake

@@ -31,3 +31,4 @@ set(CROSS_COMPILE ${one_toolchain_root}/${CROSS_COMPILE_TARGET}/bin/${CROSS_COMP
 set(SYSROOT_DIR   ${one_toolchain_root}/${SYSROOT_TARGET}/${SYSROOT_TARGET})
 set(TOOLCHAIN_HAS_NEWLIB ON CACHE BOOL "True if toolchain supports newlib")
 set(TOOLCHAIN_HAS_PICOLIBC ON CACHE BOOL "True if toolchain supports picolibc")
+set(TOOLCHAIN_HAS_PICOLIBC_DUAL ON CACHE BOOL "True if toolchain supports --picolibc-buildtype=release")

configs/common.config

@@ -71,5 +71,6 @@ CT_COMP_LIBS_PICOLIBC=y
 CT_PICOLIBC_SRC_CUSTOM=y
 CT_PICOLIBC_CUSTOM_LOCATION="${GITHUB_WORKSPACE}/picolibc"
 CT_LIBC_PICOLIBC_GLOBAL_ATEXIT=y
+CT_LIBC_PICOLIBC_ENABLE_TARGET_OPTBOTH=y
 CT_LIBC_PICOLIBC_EXTRA_SECTIONS=y
 CT_LIBC_PICOLIBC_EXTRA_CONFIG_ARRAY="-Dthread-local-storage=auto -Derrno-function=zephyr -Dsysroot-install=true -Dsysroot-install-skip-checks=true -Dassert-verbose=false"

contrib/linux_build_toolchain.sh

@@ -21,7 +21,7 @@ function usage()
 	echo "     Default is ${SDK_DIR}"
 	echo ""
 	echo "  -o Build directory, for building artifacts and final output. Optional."
-	echo "     Default is ${WORKSPACE}"
+	echo "     Default is ${BUILD_DIR}"
 	echo ""
 	echo "  -h This help."
 	echo ""
@@ -119,7 +119,7 @@ CT_LOG_EXTRA=y
 CT_LOG_LEVEL_MAX="EXTRA"
 CT_GDB_CROSS_PYTHON=y
 CT_GDB_CROSS_PYTHON_VARIANT=y
-CT_GDB_CROSS_PYTHON_BINARY="python3.10"
+CT_GDB_CROSS_PYTHON_BINARY="python3.12"
 CT_EXPERIMENTAL=y
 CT_ALLOW_BUILD_AS_ROOT=y
 CT_ALLOW_BUILD_AS_ROOT_SURE=y