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I have run into a problem trying to install rrdtool onto CentOS. When installing the dependencies pkg-config keeps running into odd issues. For example Code: $ pkg-config --exists glib-2.0; echo ...
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  1. #1
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    pkg-config inconsistent


    I have run into a problem trying to install rrdtool onto CentOS. When installing the dependencies pkg-config keeps running into odd issues. For example
    Code:
    $ pkg-config --exists glib-2.0; echo $?
    will return 0 indicating that glib-2.0 doesn't exist


    Code:
    $ pkg-config --modversion glib-2.0
    returns the correct glib 2.x version that is installed

    Code:
    $ pkg-config --cflags glib-2.0
    returns the correct compiler flags. Besides the .pc files in its path does pkg-config have any other configuration files? I'm really not sure where to go from here.

  2. #2
    Just Joined!
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    Jun 2010
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    wow talk about not RTFMing...

  3. #3
    Just Joined!
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    Jun 2010
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    So here's the actual issue

    ./configure complains about missing cairo when building pango for example

    but setting the libs and cflags manually

    Code:
    $ export CAIRO_CFLAGS=`pkg-config --cflags cairo`
    $ export CAIRO_LIBS=`pkg-config --libs cairo`
    does the trick and it proceeds without fault. I've set PKG_CONFIG_PATH to /usr/local/lib/pkgconfig which contains the package files for cairo and other libraries and obviously pkg-config sees that when invoked directly but not through the configure script. I'm pretty new to nix and I'm STUMPED.

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