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include(RunCMake)
run_cmake(MatlabTest1)
if(RunCMake_GENERATOR MATCHES "Make" AND UNIX)
# Use a single build tree for a few tests without cleaning.
set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/RerunFindMatlab-build-init)
set(RunCMake_TEST_NO_CLEAN 1)
file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
message(STATUS "RerunFindMatlab: first configuration to extract real Matlab_ROOT_DIR")
set(RunCMake_TEST_OPTIONS "-Dmatlab_required=REQUIRED")
run_cmake(MatlabTest2)
message(STATUS "RerunFindMatlab: flushing the variables")
execute_process(COMMAND
${CMAKE_COMMAND} -L ${RunCMake_TEST_BINARY_DIR}
RESULT_VARIABLE _MatlabTest2_error
OUTPUT_VARIABLE _MatlabTest2_output)
if(NOT _MatlabTest2_error EQUAL 0)
message(FATAL_ERROR "RerunFindMatlab: cannot list the variables ...")
endif()
string(REGEX MATCH "Matlab_ROOT_DIR.+=([^\r\n]+)" _matched ${_MatlabTest2_output})
set(Matlab_ROOT_DIR_correct "${CMAKE_MATCH_1}")
if(Matlab_ROOT_DIR_correct STREQUAL "")
message(FATAL_ERROR "RerunFindMatlab: cannot extract Matlab_ROOT_DIR")
endif()
message(STATUS "RerunFindMatlab: detected correct Matlab_ROOT_DIR=${Matlab_ROOT_DIR_correct}")
message(STATUS "RerunFindMatlab: change configuration, incorrect Matlab_ROOT_DIR setting")
set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/RerunFindMatlab-build-second)
set(RunCMake_TEST_NO_CLEAN 1)
file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
set(RunCMake_TEST_OPTIONS "-DMatlab_ROOT_DIR=/" "-Dmatlab_required=")
run_cmake(MatlabTest2)
message(STATUS "RerunFindMatlab: fixing configuration with correct Matlab_ROOT_DIR setting")
set(RunCMake_TEST_OPTIONS "-DMatlab_ROOT_DIR=${Matlab_ROOT_DIR_correct}") # required this time?
run_cmake(MatlabTest2)
# no target on this test
run_cmake_command(MatlabTest2 ${CMAKE_COMMAND} --build .)
unset(RunCMake_TEST_BINARY_DIR)
unset(RunCMake_TEST_NO_CLEAN)
endif()
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