Hi,

I'm currently trying to install Eigen 3.1.3 into a non-standard location ("/g/software/linux/pack/eigen-3.1.3") which I defined via the CMake switch

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-DCMAKE_INSTALL_PREFIX=/g/software/linux/pack/eigen-3.1.3

However CMake still uses /usr/lib/pkgconfig as pkgconfig directory:

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# cmake -DCMAKE_INSTALL_PREFIX=/g/software/linux/pack/eigen-3.1.3 ..
[...]
-- searching for 'pkgconfig' directory in PKG_CONFIG_LIBDIR (  ), /g/software/linux/pack/eigen-3.1.3/share, and /g/software/linux/pack/eigen-3.1.3/lib
-- found /usr/lib/pkgconfig
[...]

`Make` fails because /usr/lib/pkgconfig is not writeable for the software installer. Creating /g/software/linux/pack/eigen-3.1.3/lib/pkgconfig before running Cmake doesn't help either, as Cmake still selects /usr/lib/pkgconfig.

How can I define a non-standard directory for pkgconfig files for Eigen?
frank

You need to set the environment variable "PKG_CONFIG_PATH" to the prefix where you have installed Eigen in this instance.

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export PKG_CONFIG_PATH=/g/software/linux/pack/eigen-3.1.3