[MacRuby-devel] c++ lib

Thu May 27 12:31:20 PDT 2010

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
>>>> 
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>>>> 
>>>> 
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