Clang related fixes (raspberrypi#2231)

* workaround change in llvm picked up by llvm ETA 19

* fix clang compilation not including floating point instructions in build output

Author: kilograham

cmake/preload/toolchains/pico_arm_clang_arm.cmake

@@ -1,5 +1,3 @@
-# NOTE: THIS IS A WIP ONLY PICO_ARM_GCC IS CURRENTLY SUPPORTED
-# todo there is probably a more "cmake" way of doing this going thru the standard path with our "PICO" platform
 #  i.e. CMake<Lang>Information and whatnot
 include(${CMAKE_CURRENT_LIST_DIR}/util/find_compiler.cmake)
 

cmake/preload/toolchains/pico_arm_cortex_m33_clang.cmake

@@ -4,5 +4,5 @@ set(CMAKE_SYSTEM_PROCESSOR cortex-m33)
 set(PICO_CLANG_RUNTIMES armv8m.main_soft_nofp armv8m.main-unknown-none-eabi)
 
 set(PICO_COMMON_LANG_FLAGS "-mcpu=cortex-m33 --target=armv8m.main-none-eabi -mfloat-abi=softfp -march=armv8m.main+fp+dsp")
-
+set(PICO_DISASM_OBJDUMP_ARGS --mcpu=cortex-m33 --arch=armv8m.main+fp+dsp)
 include(${CMAKE_CURRENT_LIST_DIR}/util/pico_arm_clang_common.cmake)

src/cmake/on_device.cmake

@@ -37,10 +37,9 @@ function(pico_add_dis_output TARGET)
             set(EXTRA_COMMAND COMMAND picotool coprodis --quiet ${output_path}$<IF:$<BOOL:$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>>,$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>,$<TARGET_PROPERTY:${TARGET},NAME>>.dis ${output_path}$<IF:$<BOOL:$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>>,$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>,$<TARGET_PROPERTY:${TARGET},NAME>>.dis)
         endif()
     endif()
-
     add_custom_command(TARGET ${TARGET} POST_BUILD
             COMMAND ${CMAKE_OBJDUMP} -h $<TARGET_FILE:${TARGET}> > ${output_path}$<IF:$<BOOL:$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>>,$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>,$<TARGET_PROPERTY:${TARGET},NAME>>.dis
-            COMMAND ${CMAKE_OBJDUMP} -d $<TARGET_FILE:${TARGET}> >> ${output_path}$<IF:$<BOOL:$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>>,$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>,$<TARGET_PROPERTY:${TARGET},NAME>>.dis
+            COMMAND ${CMAKE_OBJDUMP} -d ${PICO_DISASM_OBJDUMP_ARGS} $<TARGET_FILE:${TARGET}> >> ${output_path}$<IF:$<BOOL:$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>>,$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>,$<TARGET_PROPERTY:${TARGET},NAME>>.dis
             ${EXTRA_COMMAND}
             VERBATIM
             )

src/rp2_common/pico_clib_interface/picolibc_interface.c

@@ -7,6 +7,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <machine/time.h>
+#include <time.h>
 #include <sys/time.h>
 #include <sys/times.h>