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Re: Problem with Header Search Paths at Project level.

Subject: Re: Problem with Header Search Paths at Project level.
From: Andreas Grosam <email@hidden>
Date: Fri, 28 Oct 2005 10:55:03 +0200
Delivered-to: email@hidden
Delivered-to: email@hidden


On 27.10.2005, at 20:16, Scott Tooker wrote:

On Oct 27, 2005, at 10:09 AM, William H. Schultz wrote:
Ah, but there is a way to indiciate that you want to modify the project level setting at the target level.

The macros "$(value)" (and yes, that's literally "value") represents the previously define value of the build setting.
For example, if at the project level I set:
HEADER_SEARCH_PATHS = /foo/bar
and then at the target level I set
HEADER_SEARCH_PATHS = $(value) bar/baz
then when I build I get:
HEADER_SEARCH_PATHS = /foo/bar bar/baz
Note that the $(value) macros can go anywhere in the build setting so I can just as easily prepend a search path or append and prepend paths and so on.


I previously used to use:
Project-settings:
HEADER_SERCH_PATH = /foo/bar

and then in the target setting:
HEADER_SERCH_PATH = $(HEADER_SEARCH_PATH) /bar/baz

It seemed to work. Is this really working or just by accident?

Is the "$(value)" method the recommended way?


Regards
Andreas

Scott
Hank Schultz
Cedrus Corporation
http://www.cedrus.com/
On Oct 27, 2005, at 6:11 AM, email@hidden wrote:
Hi,
this morning I added a local include path into my XCode project via the project info's build configuration. I found that the #include lines I had were never being found.

I added /usr/local/include/exiv2 into the Header Search Paths option for the entire project (i.e. click project icon, hit Apple-I, click build tab, specify path for 'Header Search Paths').

when looking at the compiler output, these headers we're NOT being included in the compilation. This is obviously why the compiler was returning errors trying to include the files. But I had thought this was the entire PURPOSE of the 'Header Search Paths' option. I've checked this for both debug and release, to ensure I wasn't deing silly and setting one config but then using the other...

Then I changed the Header Search Paths for just the single compilation unit, in this case a .mm file - and it works without issues.

So why is XCode not using my additional 'Header Search Paths' option, when I specify an additional dir at the project level
Has anyone else come across this?
John Clayton
---------------------------------
UBS AG
Information Technology
Europastrasse 2, Opfikon
Tel. +41-1-239 23 36
#claytojo
Visit our website at http://www.ubs.com
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Follow-Ups:
- Re: Problem with Header Search Paths at Project level.
  - From: Scott Tooker <email@hidden>

References:
	>Problem with Header Search Paths at Project level. (From: email@hidden)
	>Re: Problem with Header Search Paths at Project level. (From: "William H. Schultz" <email@hidden>)
	>Re: Problem with Header Search Paths at Project level. (From: Scott Tooker <email@hidden>)

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