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Old 05-08-2008, 10:33 PM   #1
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install gimp2.5 in /opt/gimp-2.5 complains about gegl when it does indeed exist

I followed the instructions at exactly. unfortunately when running ./configure for the gimp source it complains
checking for GEGL... no
configure: error: Test for GEGL failed. Please get it from
LD_LIBRARY_PATH is /opt/gimp-2.5/lib
PKG_CONFIG_PATH is /opt/gimp-2.5/lib/pkgconfig
PATH is /opt/gimp-2.5/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games

make and make install completed without error for both gegl and babl

I am running Ubuntu 8.04

I don't know how to set the paths so configure can find the libraries, any help would be much appreciated. The libraries ARE in /opt/gimp-2.5/lib

Last edited by crazywizzard; 05-08-2008 at 10:37 PM.
Old 05-08-2008, 11:41 PM   #2
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You might need to look at the configure-scripts .. try grep -iw gegl * .. to see how-and-where this test is actually done.

You see, what "configure" actually does is to run a bunch of tests about your system-environment so that it can figure out how to build the so-called "makefiles" that actually drive the compile process. (It's part of a grander scheme called "autoconf.") This facility can therefore do things like checking for prerequisites and corequisites, and altering the "makefile"-generation process to deal with user options, environmental differences and so-on.

"Configure" scripts can include many different kinds of tests ... including this one. (I don't have a clue what "GEGL" is, nor do I have to.) The best way to figure out exactly why a test is failing is to determine exactly what the test actually is. The guy or gal who created that configure-script decided that, so "the only way to know for sure is to go find out."

Footnote: Let me for-the-record review that little bit of voodoo that I quoted: grep -iw gegl *
  1. "grep" searches for strings in files.
  2. the string that I am looking for is 'gegl'
  3. the place that I am searching is "here" .. that is, "*"
  4. I have two options: the first one is 'i' which means "case-insensitive." I don't care if I find "gegl" or "GEGL" or "GeGl" or "gEgL" ...
  5. the second option is 'w' ... I'm looking for a "word" that's surrounded on both sides by a whitespace character (or by the beginning or the end of a line of text). That's to give me matches for "GegL" but not "omniGegLplex" (whatever that is...)
Old 05-09-2008, 12:00 AM   #3
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Problem solved. Thanks for making me dig around in the sources!

The problem was actually a typo on my part, so minor I didn't notice it the first couple times I looked at what I had typed.


compile, ubuntu

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