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compiler: for xtensa add libgcc support

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In order to compile with C++ exception handling for xtensa, the libgcc
location needs to be known. This change uses the same logic from gcc's
target.cmake to query the compiler for libgcc location and add the lib
to the include list.

Signed-off-by: Mark Inderhees <markind@meta.com>
This commit is contained in:
Mark Inderhees 2024-11-06 16:47:26 -08:00 committed by Anas Nashif
parent 2de5e601a7
commit c9d6c4c744
1 changed files with 11 additions and 0 deletions
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11
cmake/compiler/xcc/target.cmake
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@ -40,6 +40,17 @@ foreach(file_name include/stddef.h include-fixed/limits.h)
list(APPEND NOSTDINC ${_OUTPUT})
endforeach()
# This libgcc code is partially duplicated in compiler/*/target.cmake
execute_process(
COMMAND ${CMAKE_C_COMPILER} ${TOOLCHAIN_C_FLAGS} --print-libgcc-file-name
OUTPUT_VARIABLE LIBGCC_FILE_NAME
OUTPUT_STRIP_TRAILING_WHITESPACE
)
get_filename_component(LIBGCC_DIR ${LIBGCC_FILE_NAME} DIRECTORY)
list(APPEND LIB_INCLUDE_DIR "-L\"${LIBGCC_DIR}\"")
# For CMake to be able to test if a compiler flag is supported by the
# toolchain we need to give CMake the necessary flags to compile and
# link a dummy C file.