On Mon, Feb 16, 2009 at 10:23 PM, Aaron Turner <[email protected]> wrote:
> On Mon, Feb 16, 2009 at 5:53 PM, Michael Jackson > <[email protected]> wrote: > > project(Test) > > cmake_minimum_required(VERSION 2.7) > > > > INCLUDE(${CMAKE_ROOT}/Modules/CheckTypeSize.cmake) > > > > set(CMAKE_REQUIRED_DEFINITIONS_SAVE ${CMAKE_REQUIRED_DEFINITIONS}) > > set(CMAKE_REQUIRED_DEFINITIONS > > ${CMAKE_REQUIRED_DEFINITIONS};-D__need_wint_t=1) > > > > CHECK_TYPE_SIZE(wint_t WINT_T) > > message(STATUS "Size of wint_t: ${WINT_T}") > > message(STATUS "HAVE_WINT_T: ${HAVE_WINT_T}") > > > > set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS_SAVE}) > > > > Although I am not sure under what circumstances you are supposed to > define > > __need_wint_t? Or if there is some other encompassing macro to define. > > Otherwise the above will find the size in bytes of wint_t. > > Not sure I follow what you're trying to accomplish with the above. > Is this cmake 2.7 specific or some trick with the __need_wint_t (which > isn't used in runetype.h)? Hmm, try it in CMake 2.6, there is a CheckTypeSize.cmake. Also, you shouldn't have to specify the full path to it, just INCLUDE(CheckTypeSize.cmake) > > For now, i'm just hacking around the issue with: > > check_include_file("runetype.h" HAVE_RUNETYPE_H) > IF(APPLE AND HAVE_RUNETYPE_H) > # OS X has wint_t, but check_type_size won't find it > SET(HAVE_WINT_T 1) > ELSE(APPLE AND HAVE_RUNETYPE_H) > check_type_size("wint_t" HAVE_WINT_T) > ENDIF(APPLE AND HAVE_RUNTYPE_H) > > Long term, I'm going to write my own version of check_symbol_exists > which uses a different test which is define/typedef agnostic. Please consider submitting it via the bugtracker when you're done. -- Philip Lowman
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