1 # Load Freepascal

     2 if (FPC)

     3     set(FPC_EXECUTABLE ${FPC})

     4 else()

     5     find_program(FPC_EXECUTABLE

     6         NAMES fpc

     7         PATHS /opt/local/bin /usr/local/bin /usr/bin)

     8 endif()

     9 

    10 # Check Freepascal version

    11 if (FPC_EXECUTABLE)

    12     exec_program(${FPC_EXECUTABLE} ARGS "-v" OUTPUT_VARIABLE FPC_VERSION_FULL)

    13 

    14     string(REGEX MATCH "[0-9]+\\.[0-9]+" FPC_VERSION_LONG "${FPC_VERSION_FULL}")

    15     string(REGEX REPLACE "([0-9]+\\.[0-9]+)" "\\1" FPC_VERSION "${FPC_VERSION_LONG}")

    16     message(STATUS "Found Freepascal: ${FPC_EXECUTABLE} (version ${FPC_VERSION})")

    17 else()

    18     message(FATAL_ERROR "Could NOT find Freepascal")

    19 endif()

    20 

    21 # Check for noexecstack flag support

    22 message(STATUS "Checking whether linker needs explicit noexecstack")

    23 set(NOEXECSTACK_FLAGS "-k-z" "-knoexecstack")

    24 file(WRITE ${EXECUTABLE_OUTPUT_PATH}/checkstack.pas "begin end.")

    25 

    26 execute_process(COMMAND ${FPC_EXECUTABLE} ${NOEXECSTACK_FLAGS} checkstack.pas

    27     WORKING_DIRECTORY ${EXECUTABLE_OUTPUT_PATH}

    28     RESULT_VARIABLE TEST_NOEXECSTACK

    29     OUTPUT_QUIET ERROR_QUIET)

    30 

    31 if (TEST_NOEXECSTACK)

    32     set(NOEXECSTACK_FLAGS "")

    33     message(STATUS "Checking whether linker needs explicit noexecstack -- no")

    34 else(TEST_NOEXECSTACK)

    35     message(STATUS "Checking whether linker needs explicit noexecstack -- yes")

    36 endif(TEST_NOEXECSTACK)

    37