- From: Allan Adler <ara@xxxxxxxxxxxxxxxxxxxx>
- Date: 12 Nov 2006 22:21:57 -0500
Bob Little <"rlittle WhosAt littleAcres Dot nEt "> writes:
If you do 'which pkg-config' then you'll see which path configure is
using when it does it's thing. You may have two pkg-config(s) one in
/usr/bin and another in /usr/local/bin. So you would make your
PKG_CONFIG_PATH = /usr/bin/pkg-config:/usr/local/bin/pkg-config
As I indicated in my posting, I solved the problem of locating pkg-config
by setting the environment variables PKG_CONFIG and PKG_CONFIG_PATH to
respectively. The problem is the following error message:
checking for gtk+-2.0 >= 2.0.0...
Package gtk+-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `gtk+-2.0.pc' to the
PKG_CONFIG_PATH environment variable
No package 'gtk+-2.0' found
configure: error: Library requirements (gtk+-2.0 >= 2.0.0) not met;
consider adjusting the PKG_CONFIG_PATH environment variable if your
libraries are in a nonstandard prefix so pkg-config can find them.
The directory in which I am running configure is:
I tried changing PKG_CONFIG_PATH with
but I got the same error message.
So, this falls under the category of receiving an error message that I don't
know how to respond to. With these environment variables in effect, I now
change directory to /home/allan/PIC/LINUX/gpsim-0.21.11 and execute configure
and instead get the error message:
linking with GTK+ 2.x
checking for pkg-config... no
configure: error: Cannot find pkg-config
In this case, it appears that configure has no trouble finding the gtk+2.x it
is looking for, but can't find pkg-config, even though I've set the
environment variables PKG_CONFIG and PKG_CONFIG_PATH. In other words,
it is exactly the opposite behavior to that which configure displayed in
the directory /home/allan/PIC/LINUX/gtk+extra-2.1.1.
I submit that such a conundrum cannot be resolved on general principles, which
all respondents so far seem to have tried to do. It can only be resolved
either by actually knowing something about the particular packages I'm working
with (i.e. gpsim and gtk+extra-2.1.1) OR by knowing how to read the configure
files and figure out what they are really doing.
I would be glad to know what to do about this particular problem, with these
particular packages, but the more fundamental question I am asking is how
one learns to make sense of configure files. I can barely make sense of
makefiles while I have always found configure files completely inscrutable:
I can neither read them nor write them. I would like to remove this blemish
on my computer literacy.
Regarding my system, I'll tell you it is RedHat 7.1 if everyone promises not
to tell me to upgrade. The insight that pkg-config might refer to the
ambient RedHat package system, with rpm files and where they get written,
is also helpful. If that is really what is required, it tells me that I
don't want to mess with these packages. I want stuff that I can put in my
own directories and compile without being root, and only become root when I
actually have to use them to control a PIC device, if then. I realize that
rpm's and things are very convenient for distributions but I like to have
more control over what I put in my system and where.
Allan Adler <ara@xxxxxxxxxxxxxxxxxxxx>
* Disclaimer: I am a guest and *not* a member of the MIT CSAIL. My actions and
* comments do not reflect in any way on MIT. Also, I am nowhere near Boston.
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