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42 lines
2.0 KiB
CMake
42 lines
2.0 KiB
CMake
# Toolchain file is processed multiple times, however, it cannot access CMake cache on some runs.
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# We store the search path in an environment variable so that we can always access it.
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if (NOT "${PICO_TOOLCHAIN_PATH}" STREQUAL "")
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set(ENV{PICO_TOOLCHAIN_PATH} "${PICO_TOOLCHAIN_PATH}")
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endif ()
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# Find the compiler executable and store its path in a cache entry ${compiler_path}.
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# If not found, issue a fatal message and stop processing. PICO_TOOLCHAIN_PATH can be provided from
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# commandline as additional search path.
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function(pico_find_compiler compiler_path compiler_exes)
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# Search user provided path first.
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find_program(
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${compiler_path} NAMES ${compiler_exes}
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PATHS ENV PICO_TOOLCHAIN_PATH
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PATH_SUFFIXES bin
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NO_DEFAULT_PATH
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)
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# If not then search system paths.
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if ("${${compiler_path}}" STREQUAL "${compiler_path}-NOTFOUND")
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if (DEFINED ENV{PICO_TOOLCHAIN_PATH})
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message(WARNING "PICO_TOOLCHAIN_PATH specified ($ENV{PICO_TOOLCHAIN_PATH}), but ${compiler_exe} not found there")
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endif()
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find_program(${compiler_path} NAMES ${compiler_exes})
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endif ()
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if ("${${compiler_path}}" STREQUAL "${compiler_path}-NOTFOUND")
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set(PICO_TOOLCHAIN_PATH "" CACHE PATH "Path to search for compiler.")
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list(JOIN compiler_exes " / " compiler_exes)
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message(FATAL_ERROR "Compiler '${compiler_exes}' not found, you can specify search path with\
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\"PICO_TOOLCHAIN_PATH\".")
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endif ()
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endfunction()
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# Find the compiler executable and store its path in a cache entry ${compiler_path}.
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# If not found, issue a fatal message and stop processing. PICO_TOOLCHAIN_PATH can be provided from
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# commandline as additional search path.
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function(pico_find_compiler_with_triples compiler_path triples compiler_suffix)
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list(TRANSFORM triples APPEND "-${compiler_suffix}")
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pico_find_compiler(${compiler_path} "${triples}")
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set(${compiler_path} ${${compiler_path}} PARENT_SCOPE)
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endfunction()
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