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cmake_modules/utils.cmake
author unc0rr
Thu, 18 Apr 2013 17:37:50 +0400
changeset 8919 67214340fa53
parent 8688 88a6114a318c
child 8772 c9583cf8e10d
child 9220 5e7db24f3489
permissions -rw-r--r--
lol, how did it manage to work for years? (z1 - z2 * z.Round) shouldn't respect signs of z1 and z2. It turns out we often had arbitrary .Frac value in division result. Also fixes issue #613.


macro(find_package_or_fail _PKG_NAME)
    find_package(${_PKG_NAME})
    string(TOUPPER ${_PKG_NAME} _PKG_NAME_UP)
    if(NOT ${_PKG_NAME_UP}_FOUND)
        message(SEND_ERROR "Missing ${_PKG_NAME}! Please install it and rerun cmake.")
    endif(NOT ${_PKG_NAME_UP}_FOUND)
endmacro(find_package_or_fail _PKG_NAME)

macro(find_package_or_disable _PKG_NAME _VAR_NAME)
    find_package(${_PKG_NAME})
    string(TOUPPER ${_PKG_NAME} _PKG_NAME_UP)
    if(NOT ${_PKG_NAME_UP}_FOUND)
        message(SEND_ERROR "Missing ${_PKG_NAME}! Rerun cmake with -D${_VAR_NAME}=1 to build without it.")
    endif(NOT ${_PKG_NAME_UP}_FOUND)
endmacro(find_package_or_disable _PKG_NAME _VAR_NAME)

macro(find_package_or_disable_msg _PKG_NAME _VAR_NAME _MSG)
    if(NOT ${_VAR_NAME})
        find_package_or_disable(${_PKG_NAME} ${_VAR_NAME})
    else(NOT ${_VAR_NAME})
        message(STATUS "${_PKG_NAME} disabled. ${_MSG}")
        string(TOUPPER ${_PKG_NAME} _PKG_NAME_UP)
        set(${_PKG_NAME_UP}_FOUND false)
    endif(NOT ${_VAR_NAME})
endmacro(find_package_or_disable_msg _PKG_NAME _VAR_NAME _MSG)


#TODO: find_package_or_bundle
hedgewars