abawo/pico-sdk
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Re-enable compiler checks (#1097)

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Add a -nostdlib specifically for the check to ensure that it builds
successfully.

The -nostdlib isn't needed normally, because linking against the pico
SDK will add in definitions for the previously-missing function
This commit is contained in:
Flaviu Tamas 2023-02-05 17:34:24 -05:00 committed by GitHub
parent 7e305a70b0
commit 74b6c1ccc3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 27 additions and 40 deletions
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14
cmake/preload/toolchains/pico_arm_clang.cmake
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@ -27,10 +27,6 @@ set(CMAKE_INCLUDE_FLAG_ASM "-I")
set(CMAKE_OBJCOPY ${PICO_OBJCOPY} CACHE FILEPATH "") set(CMAKE_OBJCOPY ${PICO_OBJCOPY} CACHE FILEPATH "")
set(CMAKE_OBJDUMP ${PICO_OBJDUMP} CACHE FILEPATH "") set(CMAKE_OBJDUMP ${PICO_OBJDUMP} CACHE FILEPATH "")
# Disable compiler checks.
set(CMAKE_C_COMPILER_FORCED TRUE)
set(CMAKE_CXX_COMPILER_FORCED TRUE)
# Add target system root to cmake find path. # Add target system root to cmake find path.
get_filename_component(PICO_COMPILER_DIR "${PICO_COMPILER_CC}" DIRECTORY) get_filename_component(PICO_COMPILER_DIR "${PICO_COMPILER_CC}" DIRECTORY)
get_filename_component(CMAKE_FIND_ROOT_PATH "${PICO_COMPILER_DIR}" DIRECTORY) get_filename_component(CMAKE_FIND_ROOT_PATH "${PICO_COMPILER_DIR}" DIRECTORY)
@ -43,11 +39,7 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
include_directories(/usr/include/newlib) include_directories(/usr/include/newlib)
# todo move to platform/Generix-xxx option(PICO_DEOPTIMIZED_DEBUG "Build debug builds with -O0" 0)
set(ARM_CLANG_COMMON_FLAGS " --target=arm-none-eabi -mcpu=cortex-m0plus -mthumb")
set(CMAKE_C_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
set(CMAKE_CXX_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
set(CMAKE_ASM_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
set(CMAKE_C_FLAGS_DEBUG_INIT "${ARM_CLANG_COMMON_FLAGS} -Og")
set(CMAKE_CXX_FLAGS_DEBUG_INIT "${ARM_CLANG_COMMON_FLAGS} -Og")
set(ARM_TOOLCHAIN_COMMON_FLAGS " --target=arm-none-eabi -mcpu=cortex-m0plus -mthumb")
include(${CMAKE_CURRENT_LIST_DIR}/set_flags.cmake)

15
cmake/preload/toolchains/pico_arm_clang_arm.cmake
View File

@ -27,10 +27,6 @@ set(CMAKE_INCLUDE_FLAG_ASM "-I")
set(CMAKE_OBJCOPY ${PICO_OBJCOPY} CACHE FILEPATH "") set(CMAKE_OBJCOPY ${PICO_OBJCOPY} CACHE FILEPATH "")
set(CMAKE_OBJDUMP ${PICO_OBJDUMP} CACHE FILEPATH "") set(CMAKE_OBJDUMP ${PICO_OBJDUMP} CACHE FILEPATH "")
# Disable compiler checks.
set(CMAKE_C_COMPILER_FORCED TRUE)
set(CMAKE_CXX_COMPILER_FORCED TRUE)
# Add target system root to cmake find path. # Add target system root to cmake find path.
get_filename_component(PICO_COMPILER_DIR "${PICO_COMPILER_CC}" DIRECTORY) get_filename_component(PICO_COMPILER_DIR "${PICO_COMPILER_CC}" DIRECTORY)
get_filename_component(CMAKE_FIND_ROOT_PATH "${PICO_COMPILER_DIR}" DIRECTORY) get_filename_component(CMAKE_FIND_ROOT_PATH "${PICO_COMPILER_DIR}" DIRECTORY)
@ -41,12 +37,7 @@ set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# todo move to platform/Generix-xxx option(PICO_DEOPTIMIZED_DEBUG "Build debug builds with -O0" 0)
set(ARM_CLANG_COMMON_FLAGS " --cpu=Cortex-M0plus")
string(APPEND CMAKE_C_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
string(APPEND CMAKE_CXX_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
string(APPEND CMAKE_ASM_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
string(APPEND CMAKE_C_FLAGS_DEBUG_INIT "${ARM_CLANG_COMMON_FLAGS} -Og")
string(APPEND CMAKE_CXX_FLAGS_DEBUG_INIT "${ARM_CLANG_COMMON_FLAGS} -Og")
set(ARM_TOOLCHAIN_COMMON_FLAGS " --cpu=Cortex-M0plus")
include(${CMAKE_CURRENT_LIST_DIR}/set_flags.cmake)

19
cmake/preload/toolchains/pico_arm_gcc.cmake
View File

@ -35,10 +35,6 @@ set(CMAKE_INCLUDE_FLAG_ASM "-I")
set(CMAKE_OBJCOPY ${PICO_OBJCOPY} CACHE FILEPATH "") set(CMAKE_OBJCOPY ${PICO_OBJCOPY} CACHE FILEPATH "")
set(CMAKE_OBJDUMP ${PICO_OBJDUMP} CACHE FILEPATH "") set(CMAKE_OBJDUMP ${PICO_OBJDUMP} CACHE FILEPATH "")
# Disable compiler checks.
set(CMAKE_C_COMPILER_FORCED TRUE)
set(CMAKE_CXX_COMPILER_FORCED TRUE)
# Add target system root to cmake find path. # Add target system root to cmake find path.
get_filename_component(PICO_COMPILER_DIR "${PICO_COMPILER_CC}" DIRECTORY) get_filename_component(PICO_COMPILER_DIR "${PICO_COMPILER_CC}" DIRECTORY)
get_filename_component(CMAKE_FIND_ROOT_PATH "${PICO_COMPILER_DIR}" DIRECTORY) get_filename_component(CMAKE_FIND_ROOT_PATH "${PICO_COMPILER_DIR}" DIRECTORY)
@ -51,17 +47,6 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
option(PICO_DEOPTIMIZED_DEBUG "Build debug builds with -O0" 0) option(PICO_DEOPTIMIZED_DEBUG "Build debug builds with -O0" 0)
# todo move to platform/Generix-xxx
# on ARM -mcpu should not be mixed with -march # on ARM -mcpu should not be mixed with -march
set(ARM_GCC_COMMON_FLAGS " -mcpu=cortex-m0plus -mthumb") set(ARM_TOOLCHAIN_COMMON_FLAGS " -mcpu=cortex-m0plus -mthumb")
foreach(LANG IN ITEMS C CXX ASM) include(${CMAKE_CURRENT_LIST_DIR}/set_flags.cmake)
set(CMAKE_${LANG}_FLAGS_INIT "${ARM_GCC_COMMON_FLAGS}")
if (PICO_DEOPTIMIZED_DEBUG)
set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-O0")
else()
set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-Og")
endif()
set(CMAKE_${LANG}_LINK_FLAGS "-Wl,--build-id=none")
endforeach()

19
cmake/preload/toolchains/set_flags.cmake Normal file
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@ -0,0 +1,19 @@
get_property(IS_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
foreach(LANG IN ITEMS C CXX ASM)
set(CMAKE_${LANG}_FLAGS_INIT "${ARM_TOOLCHAIN_COMMON_FLAGS}")
if (PICO_DEOPTIMIZED_DEBUG)
set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-O0")
else()
set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-Og")
endif()
set(CMAKE_${LANG}_LINK_FLAGS "-Wl,--build-id=none")
# try_compile is where the feature testing is done, and at that point,
# pico_standard_link is not ready to be linked in to provide essential
# functions like _exit. So pass -nostdlib so it doesn't link in an exit()
# function at all.
if(IS_IN_TRY_COMPILE)
set(CMAKE_${LANG}_LINK_FLAGS "${CMAKE_${LANG}_LINK_FLAGS} -nostdlib")
endif()
endforeach()