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# CheckFortranSourceCompiles

Check if given Fortran source compiles and links into an executable:

    CHECK_Fortran_SOURCE_COMPILES(<code> <var> [FAIL_REGEX <fail-regex>])

The arguments are:

`<code>`
  Source code to try to compile. It must define a PROGRAM entry point.
`<var>`
  Variable to store whether the source code compiled. Will be created as an internal cache variable.
`<fail-regex>`
  Fail if test output matches this regex.

The following variables may be set before calling this macro to modify the way the check is run:

    CMAKE_REQUIRED_FLAGS = string of compile command line flags
    CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
    CMAKE_REQUIRED_INCLUDES = list of include directories
    CMAKE_REQUIRED_LIBRARIES = list of libraries to link
    CMAKE_REQUIRED_QUIET = execute quietly without messages

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