cmake_modules/utils.cmake
author Wuzzy <Wuzzy2@mail.ru>
Sat, 06 Jun 2020 15:40:51 +0200
changeset 15620 6e72bd61002e
parent 9339 14f5f3a1e2f7
permissions -rw-r--r--
Disable gfMoreWind for land objects on turn end only after a fixed-time delay 15s sounds much, but it's the average amount for gfMineStrike mines to settle naturally. And it would be very confusing to see falling mines suddenly not caring about gfMoreWind for no apparent reason. Note this whole thing is a giant hack anyway, to prevent a turn being blocked by infinitely bouncing mines. The better solution would be to help gfMoreWind-affected land objects settle naturally more reliably even under extreme wind. But this commit is "good enough" for now. If you don't like the delay, you can always tweak the constant.


#find package helpers
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 skip this error.")
    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)

#variable manipulation macros
macro(add_flag_append _VAR_NAME _FLAG)
    set(${_VAR_NAME} "${${_VAR_NAME}} ${_FLAG}")
endmacro(add_flag_append _VAR_NAME _FLAG)

macro(add_flag_prepend _VAR_NAME _FLAG)
    set(${_VAR_NAME} "${_FLAG} ${${_VAR_NAME}}")
endmacro(add_flag_prepend _VAR_NAME _FLAG)

macro(add_linker_flag _FLAG)
    list(APPEND haskell_flags "-optl" "-Wl,${_FLAG}")
    #executables
    add_flag_append(CMAKE_C_LINK_FLAGS "-Wl,${_FLAG}")
    add_flag_append(CMAKE_CXX_LINK_FLAGS "-Wl,${_FLAG}")
    add_flag_append(CMAKE_Pascal_LINK_FLAGS "-k${_FLAG}")
    #libraries
    add_flag_append(CMAKE_SHARED_LIBRARY_C_FLAGS "-Wl,${_FLAG}")
    add_flag_append(CMAKE_SHARED_LIBRARY_CXX_FLAGS "-Wl,${_FLAG}")
    #CMAKE_SHARED_LIBRARY_Pascal_FLAGS is already set by CMAKE_Pascal_LINK_FLAGS
endmacro(add_linker_flag _FLAG)

#TODO: find_package_or_bundle