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pkg-config is a helper tool used when compiling applications and libraries. It helps you insert the correct compiler options on the command line so anapplication an application can use gcc -o test test.c `pkg-config --libs --cflags glib-2.0`for 0` for instance, rather than hard-coding values on where to find glib (or otherlibrariesother libraries).
More information
- Homepage: http://www.freedesktop.org/wiki/Software/pkg-config/
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