[MacRuby-devel] c++ lib

Thu May 27 12:48:49 PDT 2010

I see on the BridgeSupport support to redirect all request to Laurent...
so here it is...

Laurent,
Is it desperate to keep trying every options of gen_bridge_metadata?
will it swallow my c++ framework at some point?

thanks

2010/5/27 Jordan Breeding <jordan.breeding at me.com>

> Don't know, the only times I have used that method the header file itself
> is just straight C, the implementation hides all of the C++ in my case.
> Maybe gen_bridge_metadata doesn't handle C++.
>
> On May 27, 2010, at 11:49, Louis-Philippe wrote:
>
> any idea why gen_bridge_metadata does spit this:
>
> gen_bridge_metadata --64-bit -f ./MYSDK.framework -o MYSDK.bridgesupport
> ./MYSDK.framework/Headers/MYSDK.h:21:18: error: string: No such file or
> directory
> /usr/bin/cpp-4.2 returned 1 exit status
> line was: /usr/bin/cpp-4.2 -D__APPLE_CPP__ -include
> /usr/include/AvailabilityMacros.h -F"."
> "./MYSDK.framework/Headers/MYSDK.h" 2>/tmp/.cpp.err
> Usage: gen_bridge_metadata [options] <headers...>
> Use the `-h' flag or consult gen_bridge_metadata(1) for help.
>
> it's referring to this line in the SDK header:
> #include <string>
>
> and the SDK uses std::string all over the place...
> why is it complaining like this?
>
>
> 2010/5/27 Jordan Breeding <jordan.breeding at me.com>
>
>> You might have to make a bridge support file and include it in your
>> framework.
>>
>> Something like this (although this is specific to running inside my Xcode
>> project build):
>>
>> printf "Building BridgeSupport files...\n\n"
>>
>> BRIDGE_SUPPORT_DIR="Resources/BridgeSupport"
>> BRIDGE_SUPPORT_FILE="${BRIDGE_SUPPORT_DIR}/${TARGET_NAME}.bridgesupport"
>>
>> if [[ "${TARGET_BUILD_DIR}/${WRAPPER_NAME}/${TARGET_NAME}" -nt
>> "${TARGET_BUILD_DIR}/${WRAPPER_NAME}/${BRIDGE_SUPPORT_FILE}" ]]; then
>>   if [[ ! -d "${TARGET_BUILD_DIR}/${WRAPPER_NAME}/${BRIDGE_SUPPORT_DIR}"
>> ]]; then
>>     mkdir -p "${TARGET_BUILD_DIR}/${WRAPPER_NAME}/${BRIDGE_SUPPORT_DIR}"
>>   fi
>>   gen_bridge_metadata --64-bit --framework
>> "${TARGET_BUILD_DIR}/${WRAPPER_NAME}" -o
>> "${TARGET_BUILD_DIR}/${WRAPPER_NAME}/${BRIDGE_SUPPORT_FILE}"
>> fi
>>
>> On May 27, 2010, at 10:31, Louis-Philippe wrote:
>>
>> Thanks!
>> ok... I sorted some of the issues out... I was able to make a x86_64
>> framework out of the SDK by including the proper exports symbols (using nm
>> with the -arch flag).
>>
>> so now it loads fine with the framework method...
>> but I cant access the c++ namespace:
>> "NameError: uninitialized constant MYSDK"
>>
>> 2010/5/27 Jordan Breeding <jordan.breeding at me.com>
>>
>>> Then you could force macruby/macirb to run as i386:
>>>
>>> `arch -arch i386 macirb`
>>>
>>> On May 27, 2010, at 10:13, Louis-Philippe wrote:
>>>
>>> it only builds for i386...
>>> getting errors when trying to build for x86_64...
>>> thats why I tried as I tested to build only for i386...
>>>
>>> 2010/5/27 Jordan Breeding <jordan.breeding at me.com>
>>>
>>>> Try building your framework as both i386 and x86_64.
>>>>
>>>> On May 27, 2010, at 10:00, Louis-Philippe wrote:
>>>>
>>>> file PATH/MYSDK.framework/MYSDK
>>>> ./MYSDK: Mach-O dynamically linked shared library i386
>>>>
>>>> file `which macruby`:
>>>> /usr/local/bin/macruby: Mach-O universal binary with 2 architectures
>>>> /usr/local/bin/macruby (for architecture i386): Mach-O executable i386
>>>> /usr/local/bin/macruby (for architecture x86_64): Mach-O 64-bit
>>>> executable x86_64
>>>>
>>>>
>>>> 2010/5/27 Louis-Philippe <default at spiralix.org>
>>>>
>>>>> sorry, the second one really is:
>>>>>
>>>>> ./MYSDK (from the MYSDK.framework)
>>>>> -bash: ./MYSDK: cannot execute binary file
>>>>>
>>>>> 2010/5/27 Louis-Philippe <default at spiralix.org>
>>>>>
>>>>> uname -a:
>>>>>> Darwin modullpmacbook.local 10.3.0 Darwin Kernel Version 10.3.0: Fri
>>>>>> Feb 26 11:58:09 PST 2010; root:xnu-1504.3.12~1/RELEASE_I386 i386
>>>>>>
>>>>>> ./MYSDK (from the MYSDK.framework)
>>>>>> -bash: ./R3DSDK: No such file or directory
>>>>>>
>>>>>> which macruby:
>>>>>> /usr/local/bin/macruby
>>>>>>
>>>>>> by the way, I tried it in a MacRuby cocoa app inside of xcode, but the
>>>>>> error sample I pasted above is from a macirb execution
>>>>>>
>>>>>>
>>>>>> 2010/5/27 Joel Reymont <joelr1 at gmail.com>
>>>>>>
>>>>>> Louis-Philippe,
>>>>>>>
>>>>>>> On May 27, 2010, at 3:25 PM, Louis-Philippe wrote:
>>>>>>>
>>>>>>> > Did find:
>>>>>>> >       /PATH/MYSDK.framework/MYSDK: mach-o, but wrong architecture)
>>>>>>> >       from /PATH/(irb):2:in `<main>'
>>>>>>>
>>>>>>> Can you paste the output from the following?
>>>>>>>
>>>>>>> uname -a
>>>>>>>
>>>>>>> file ATH/MYSDK.framework/MYSDK
>>>>>>>
>>>>>>> file `which macruby`
>>>>>>>
>>>>>>>        Thanks, Joel
>>>>>>>
>>>>>>> ---
>>>>>>> http://twitter.com/wagerlabs
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> MacRuby-devel mailing list
>>>>>>> MacRuby-devel at lists.macosforge.org
>>>>>>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
>>>>>>>
>>>>>>
>>>>>>
>>>>>
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