kc3-lang/brotli/tests/run-compatibility-test.cmake

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• Hash : 67f059ea
  Author :
  Date : 2018-09-27T10:00:33
  

  Cross compilation support (#709)
  
  * build: add cross-compilation support to make
  
  Set CROSS_COMPILE when running make to use the selected cross
  compilation toolchain, such as arm-linux-gnueabihf, or
  aarch64-linux-gnu.
  
  Testing requires the presence of qemu - 'qemu-$(ARCH)' will be executed,
  where ARCH is the first part of the toolchain triplet.
  
  * build: add cross-compilation support to cmake
  
  If C_COMPILER/CXX_COMPILER/CC/CXX are found to have cross-compilation
  triplets in front of the compiler, then qemu will be used to execute the
  tests.
  
  * CI: add arm-linux-gnueabihf-gcc builder to Travis
  
  The version of qemu available in Ubuntu trusty (as provided by Travis)
  appears to have a bug in qemu-aarch64, which leads to the compatibility
  tests failing on some inputs, erroneously rejecting the input as
  corrupt.
  
  Once Travis supports xenial, we could add an aarch64-gnu-linux-gcc
  builder as well.
  
  * CI: propagate cmake errors out of .travis.sh
  
  Seems like even if cmake fails, the error isn't picked up by Travis.
  

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• tests/run-compatibility-test.cmake

• string(REGEX REPLACE "([a-zA-Z0-9\\.]+)\\.compressed(\\.[0-9]+)?$" "\\1" REFERENCE_DATA "${INPUT}")
  string(REGEX REPLACE "\\.compressed" "" OUTPUT_FILE "${INPUT}")
  get_filename_component(OUTPUT_NAME "${OUTPUT_FILE}" NAME)
  
  set(ENV{QEMU_LD_PREFIX} "${BROTLI_WRAPPER_LD_PREFIX}")
  
  execute_process(
    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
    COMMAND ${BROTLI_WRAPPER} ${BROTLI_CLI} --force --decompress ${INPUT} --output=${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_NAME}.unbr
    RESULT_VARIABLE result)
  if(result)
    message(FATAL_ERROR "Decompression failed")
  endif()
  
  function(test_file_equality f1 f2)
    if(NOT CMAKE_VERSION VERSION_LESS 2.8.7)
      file(SHA512 "${f1}" f1_cs)
      file(SHA512 "${f2}" f2_cs)
      if(NOT "${f1_cs}" STREQUAL "${f2_cs}")
        message(FATAL_ERROR "Files do not match")
      endif()
    else()
      file(READ "${f1}" f1_contents)
      file(READ "${f2}" f2_contents)
      if(NOT "${f1_contents}" STREQUAL "${f2_contents}")
        message(FATAL_ERROR "Files do not match")
      endif()
    endif()
  endfunction()
  
  test_file_equality("${REFERENCE_DATA}" "${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_NAME}.unbr")
  

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