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tools: Adds newlib nano support for clang builds

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This commit is contained in:
Alexey Gerenkov 2022-11-11 22:46:34 +03:00
parent 989cb33fe4
commit 893cc19f75
2 changed files with 13 additions and 4 deletions
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3
.gitlab/ci/build.yml
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@ -658,9 +658,6 @@ build_clang_test_apps_esp32c2:
extends:
- .build_clang_test_apps_riscv
- .rules:build:custom_test-esp32c2
# spec files and nano libc are not supported yet by esp-clang
# TODO: LLVM-197
allow_failure: true
variables:
IDF_TARGET: esp32c2

14
components/newlib/CMakeLists.txt
View File

@ -49,7 +49,19 @@ list(APPEND EXTRA_LINK_FLAGS "-u newlib_include_assert_impl")
target_link_libraries(${COMPONENT_LIB} INTERFACE "${EXTRA_LINK_FLAGS}")
if(CONFIG_NEWLIB_NANO_FORMAT)
target_link_libraries(${COMPONENT_LIB} INTERFACE "--specs=nano.specs")
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
set(libc_dir_cmd ${CMAKE_C_COMPILER})
string(REPLACE " " ";" cflags_list ${CMAKE_C_FLAGS})
list(APPEND libc_dir_cmd ${cflags_list} "-print-file-name=libc.a")
execute_process(
COMMAND ${libc_dir_cmd}
OUTPUT_VARIABLE libc_dir
)
get_filename_component(libc_dir ${libc_dir} DIRECTORY)
target_link_directories(${COMPONENT_LIB} INTERFACE "${libc_dir}/nano")
else()
target_link_libraries(${COMPONENT_LIB} INTERFACE "--specs=nano.specs")
endif()
endif()
add_subdirectory(port)