cmake_modules/FindGHC.cmake
author Wuzzy <Wuzzy2@mail.ru>
Thu, 25 Apr 2019 23:01:05 +0200
changeset 14844 e239378a9400
parent 13296 31615a2e0db1
permissions -rw-r--r--
Prevent entering “/”, “\” and “:” in team and scheme names. The name of teams and schems is saved in the file name itself, so these characters would cause trouble as they are used in path names in Linux and Windows.

# - Try to find the Glasgow Haskell Compiler executable
# Once done this will define
#
#  GHC_VERSION        - GHC version
#  GHC_EXECUTABLE     - GHC executable
#  GHC_PKG_VERSION    - ghc-pkg version
#  GHC_PKG_EXECUTABLE - ghc-pkg executable
#
# Copyright (c) 2013, Vittorio Giovara <vittorio.giovara@gmail.com>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.


find_program(GHC_EXECUTABLE
    NAMES ghc
    PATHS /opt/local/bin /usr/local/bin /usr/bin
    )

find_program(GHC_PKG_EXECUTABLE
    NAMES ghc-pkg
    PATHS /opt/local/bin /usr/local/bin /usr/bin
    )

if (GHC_EXECUTABLE)
    # check ghc version
    execute_process(COMMAND ${GHC_EXECUTABLE} -V
                    OUTPUT_VARIABLE GHC_VERSION_OUTPUT
                    ERROR_VARIABLE GHC_VERSION_ERROR
                    RESULT_VARIABLE GHC_VERSION_RESULT
                    OUTPUT_STRIP_TRAILING_WHITESPACE
                    )

    if(${GHC_VERSION_RESULT} EQUAL 0)
        string(REGEX MATCH "([0-9]+)" GHC_VERSION ${GHC_VERSION_OUTPUT})
    else()
        message(SEND_ERROR "Command \"${GHC_EXECUTABLE} -V\" failed with output: ${GHC_VERSION_ERROR}")
    endif()
endif()

if (GHC_PKG_EXECUTABLE)
    # check ghc-pkg version
    execute_process(COMMAND ${GHC_PKG_EXECUTABLE} -V
                    OUTPUT_VARIABLE GHC_PKG_VERSION_OUTPUT
                    ERROR_VARIABLE GHC_PKG_VERSION_ERROR
                    RESULT_VARIABLE GHC_PKG_VERSION_RESULT
                    OUTPUT_STRIP_TRAILING_WHITESPACE
                    )

    if(${GHC_PKG_VERSION_RESULT} EQUAL 0)
        string(REGEX MATCH "([0-9]+)" GHC_PKG_VERSION ${GHC_PKG_VERSION_OUTPUT})
    else()
        message(SEND_ERROR "Command \"${GHC_PKG_EXECUTABLE} -V\" failed with output: ${GHC_PKG_VERSION_ERROR}")
    endif()
endif()

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GHC DEFAULT_MSG GHC_EXECUTABLE GHC_VERSION)
mark_as_advanced(GHC_VERSION)