I'm on a different OS X computer now (my wife's iMac) and I downloaded Mono and Monobjc and get the same error from Nant. I tried the small test build file in this post:

http://www.mail-archive.com/nant-users@lists.sourceforge.net/msg04071.html

That recommends a small test build file containing:
<project name="pkg-config-test">
<echo message="mono prefix: ${pkg-config::get-variable('mono', 'prefix')}" />
 <echo message="exists mono: ${pkg-config::exists('mono')}" />
<echo message="modversion mono: ${pkg-config::get-mod- version('mono')}" />
</project>
But get the same error. Both computers seem to see that mono is there. --exists mono doesn't give an error. It's in the --list-all output, etc. The mono version seems fine:

debora:bin Ron$ ./pkg-config --modversion mono
2.4

I tried running nant with --debug and it doesn't really tell me anything more. I'm lost.

Thank you,
Ron


On Apr 23, 2009, at 4:52 PM, Ron Grove wrote:

I'm having trouble with pkg-config when I run nant on the monobjc project's package, but others have it working fine. The email below details what I've done so far from a different mailing list. I really don't understand why pkg-config says it can't find mono. When I run the command on its own with --list-all it does list mono. I'm not sure how the --exists switch is to be used, though. Just putting mono after it doesn't give me anything, but when I run it with --debug it says the value of --print-errors is 0. I expect that's good. When I use the --libs switch it gives me plenty of info. The mono.pc file is in the /Library/Frameworks/Mono.framework/ Versions/Current/lib/pkgconfig folder. Any ideas about why it keeps failing on me with the error:

Expression: ${not pkg-config::exists('mono')}

Thank you,
Ron


Begin forwarded message:

From: Ron Grove <ron.gr...@me.com>
Date: April 23, 2009 4:16:07 PM PDT
To: us...@lists.monobjc.net
Subject: Re: [us...@lists.monobjc.net] Problem building samples
Reply-To: us...@lists.monobjc.net

Interestingly I can run and run the command

/Library/Frameworks/Mono.framework/Commands/pkg-config --list-all

and mono is in the list it outputs.  Man that's irritating...


On Apr 23, 2009, at 4:04 PM, Ron Grove wrote:

I'm not completely sure what you mean by cleaning up my setup. The XCode 3.1 tools are installed and work fine for Objective-C projects. I need those tools so uninstalling them isn't really something I want to do unless there's a reason. nant seems to be installed correctly:

ron:~ ron$ nant -help
NAnt 0.86 (Build 0.86.2898.0; beta1; 12/8/2007)

ron:~ ron$ whereis nant
/usr/bin/nant

ron:~ ron$ ls -l /usr/bin/nant
lrwxr-xr-x 1 root wheel 48 Apr 10 15:11 /usr/bin/nant -> / Library/Frameworks/Mono.framework/Commands/nant

Still not sure why, but it's this pkg-config::exists function that's failing to find mono. But I can run it fine from the command line and it's in my path. Suppose I'll have to sign up on their mailing list and ask. I was just hoping someone else may have run into it here.

-Ron


2009/4/17 Ron Grove <ron.gr...@me.com>:
I've tried to built the samples using nant and get this error message below. I've never used it before and not sure what to do. This page doesn't tell
me much:

http://nant.sourceforge.net/release/0.85-rc1/help/functions/pkg-config.exists.html

Where is it looking for the package? I have the latest download for OS X installed on the system. All the old versions are gone so far as I can see.
Somewhere I read to set $PKG_CONFIG_PATH
to /Library/Frameworks/Mono.framework/Versions/Current/lib/ pkgconfig which
I've done, but that didn't help.  Any ideas?

Thank you,
Ron

-------------------------------------------

BUILD FAILED

Failed to initialize the 'Mono 3.5 Profile' (mono-3.5) target framework.

 Function call failed.
Expression: ${not pkg-config::exists('mono')}
               ^^^^^^^^^^^^^^^^^^^^^^^^^^

     'pkg-config' failed to start.

ApplicationName='pkg-config', CommandLine='--exists mono', CurrentDirectory='/Library/Frameworks/Mono.framework/Versions/ 2.4/share/NAnt/bin/'

For more information regarding the cause of the build failure, run the build
again in debug mode.






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