Re: Equivalent to xcconfig conditionals available?
Re: Equivalent to xcconfig conditionals available?
- Subject: Re: Equivalent to xcconfig conditionals available?
- From: Ken Thomases <email@hidden>
- Date: Tue, 17 Jun 2008 22:16:07 -0500
On Jun 17, 2008, at 7:26 AM, Mattias Arrelid wrote:
We have some xcconfig files that we use for several of our build
targets. All these config files includes a master xcconfig file with
some default values. Now, it would be nice if this master file, after
all declarations, could have a conditional import depending on some
variable that we are able to set. Let me show you how I want it to
look (in pseudo xcconfig language):
SOME_SETTING_1 = SOME_VALUE_1;
SOME_SETTING_2 = SOME_VALUE_2;
...
...
SOME_SETTING_N-1 = SOME_VALUE_N-1;
SOME_SETTING_N = SOME_VALUE_N;
#ifdef SOMETHING
#include "config_for_something.h"
#else
#include "another_config.h"
#endif
Can I achieve this somehow? The Xcode User Guide doesn't reveal too
much on this, and neither does searching Google and this archive. I
know we could split each target into two targets, but that really
isn't feasible. If one cannot have conditionals, I guess there is no
syntax for checking if a config file is present before inclusion
either?
Rather than "split[ting] each target into two targets", how about
using one target with two build configurations?
Rather than having a master xcconfig that conditionally includes a
specific sub-configuration xcconfig, I believe it's more typical for
there to be specific xcconfig files for each case, which include one
generic xcconfig to establish a baseline. So, you'd have:
config_for_something.xcconfig:
#include "generic.xcconfig"
SETTING_SPECIFIC_TO_SOMETHING = SOME_VALUE;
and:
another_config.xcconfig:
#include "generic.xcconfig"
SETTING_SPECIFIC_TO_ANOTHER = SOME_DIFFERENT_VALUE;
Then, one of the build configurations for the target will be based on
config_for_something.xcconfig, while another will be based on
another_config.xcconfig.
Google uses this sort of approach in their Mac toolbox <http://code.google.com/p/google-toolbox-for-mac/source/browse/trunk/XcodeConfig/
>.
Cheers,
Ken
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