Build -Os and -O2 versions of every target library

.github/workflows/ci.yml

@@ -50,6 +50,7 @@ on:
         - mips-zephyr-elf
         - nios2-zephyr-elf
         - riscv64-zephyr-elf
+        - rx-zephyr-elf
         - sparc-zephyr-elf
         - x86_64-zephyr-elf
         - xtensa-amd_acp_6_0_adsp_zephyr-elf
@@ -171,6 +172,7 @@ jobs:
             mips-zephyr-elf)                      build_target_mips_zephyr_elf="y";;
             nios2-zephyr-elf)                     build_target_nios2_zephyr_elf="y";;
             riscv64-zephyr-elf)                   build_target_riscv64_zephyr_elf="y";;
+            rx-zephyr-elf)                        build_target_rx_zephyr_elf="y";;
             sparc-zephyr-elf)                     build_target_sparc_zephyr_elf="y";;
             x86_64-zephyr-elf)                    build_target_x86_64_zephyr_elf="y";;
             xtensa-amd_acp_6_0_adsp_zephyr-elf)   build_target_xtensa_amd_acp_6_0_adsp_zephyr_elf="y";;
@@ -220,6 +222,7 @@ jobs:
           build_target_mips_zephyr_elf="y"
           build_target_nios2_zephyr_elf="y"
           build_target_riscv64_zephyr_elf="y"
+          build_target_rx_zephyr_elf="y"
           build_target_sparc_zephyr_elf="y"
           build_target_x86_64_zephyr_elf="y"
           build_target_xtensa_amd_acp_6_0_adsp_zephyr_elf="y"
@@ -309,6 +312,7 @@ jobs:
         [ "${build_target_mips_zephyr_elf}" == "y" ]                      && MATRIX_TARGETS+='"mips-zephyr-elf",'
         [ "${build_target_nios2_zephyr_elf}" == "y" ]                     && MATRIX_TARGETS+='"nios2-zephyr-elf",'
         [ "${build_target_riscv64_zephyr_elf}" == "y" ]                   && MATRIX_TARGETS+='"riscv64-zephyr-elf",'
+        [ "${build_target_rx_zephyr_elf}" == "y" ]                        && MATRIX_TARGETS+='"rx-zephyr-elf",'
         [ "${build_target_sparc_zephyr_elf}" == "y" ]                     && MATRIX_TARGETS+='"sparc-zephyr-elf",'
         [ "${build_target_x86_64_zephyr_elf}" == "y" ]                    && MATRIX_TARGETS+='"x86_64-zephyr-elf",'
         [ "${build_target_xtensa_amd_acp_6_0_adsp_zephyr_elf}" == "y" ]   && MATRIX_TARGETS+='"xtensa-amd_acp_6_0_adsp_zephyr-elf",'
@@ -1564,6 +1568,9 @@ jobs:
               PLATFORM_ARGS+="-p qemu_riscv32e "
               PLATFORM_ARGS+="-p qemu_riscv64 "
               ;;
+            rx-zephyr-elf)
+              PLATFORM_ARGS+="-p qemu_rx "
+              ;;
             sparc-zephyr-elf)
               PLATFORM_ARGS+="-p qemu_leon3 "
               ;;

README.md

@@ -12,6 +12,7 @@ The toolchains for the following target architectures are supported:
 - MIPS (32-bit and 64-bit)
 - Nios II
 - RISC-V (32-bit and 64-bit; RV32I, RV32E, RV64I)
+- RX
 - SPARC (32-bit and 64-bit; SPARC V8, SPARC V9)
 - x86 (32-bit and 64-bit)
 - Xtensa (sample_controller and other vendor-specific variants)

cmake/zephyr/target.cmake

@@ -10,6 +10,7 @@ set(CROSS_COMPILE_TARGET_arm64   aarch64-zephyr-elf)
 set(CROSS_COMPILE_TARGET_nios2     nios2-zephyr-elf)
 set(CROSS_COMPILE_TARGET_riscv   riscv64-zephyr-elf)
 set(CROSS_COMPILE_TARGET_mips       mips-zephyr-elf)
+set(CROSS_COMPILE_TARGET_rx           rx-zephyr-elf)
 set(CROSS_COMPILE_TARGET_microblaze microblazeel-zephyr-elf)
 set(CROSS_COMPILE_TARGET_xtensa   xtensa-${SOC_TOOLCHAIN_NAME}_zephyr-elf)
 

configs/arc-zephyr-elf.config

@@ -4,3 +4,4 @@ CT_ARCH_ARC=y
 CT_TARGET_VENDOR="zephyr"
 CT_TARGET_CFLAGS="-mno-sdata -mtp-regno=26 -ftls-model=local-exec"
 CT_MULTILIB=y
+CT_MULTILIB_SPACE=y

configs/arm-zephyr-eabi.config

@@ -5,5 +5,6 @@ CT_ARCH_ARM_INTERWORKING=y
 CT_TARGET_VENDOR="zephyr"
 CT_TARGET_CFLAGS="-ftls-model=local-exec"
 CT_MULTILIB=y
+CT_MULTILIB_SPACE=y
 CT_CC_GCC_MULTILIB_LIST="rmprofile"
 CT_LIBC_NEWLIB_NANO_TARGET_CFLAGS="-mthumb-interwork"

configs/common.config

@@ -72,4 +72,5 @@ CT_PICOLIBC_SRC_CUSTOM=y
 CT_PICOLIBC_CUSTOM_LOCATION="${GITHUB_WORKSPACE}/picolibc"
 CT_LIBC_PICOLIBC_GLOBAL_ATEXIT=y
 CT_LIBC_PICOLIBC_EXTRA_SECTIONS=y
+CT_LIBC_PICOLIBC_ENABLE_TARGET_OPTSPACE=n
 CT_LIBC_PICOLIBC_EXTRA_CONFIG_ARRAY="-Dthread-local-storage=auto -Derrno-function=zephyr -Dsysroot-install=true -Dsysroot-install-skip-checks=true -Dassert-verbose=false"

configs/microblazeel-zephyr-elf.config

@@ -5,6 +5,3 @@ CT_ARCH_LE=y
 CT_TARGET_CFLAGS="-G0 -fno-pic"
 CT_TARGET_VENDOR="zephyr"
 CT_MULTILIB=y
-# FIXME: Picolibc is disabled for microblazeel due to build failure
-#        (see GitHub issue #639).
-CT_COMP_LIBS_PICOLIBC=n

configs/rx-zephyr-elf.config

@@ -0,0 +1,6 @@
+CT_CONFIG_VERSION="3"
+CT_EXPERIMENTAL=y
+CT_ARCH_RX=y
+CT_TARGET_CFLAGS="-ftls-model=local-exec"
+CT_TARGET_VENDOR="zephyr"
+CT_MULTILIB=y

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 ${BUILD_DIR}"
 	echo ""
 	echo "  -h This help."
 	echo ""
@@ -129,7 +129,7 @@ EOF
 "${CT_NG}" distclean
 "${CT_NG}" defconfig DEFCONFIG=build.config
 
-"${CT_NG}" build
+"${CT_NG}" build || exit 1
 
 chmod -R u+w "${TOOLCHAIN_OUTPUT_DIR}"