1 example for pkg-config

{{ score }}
  # Helps you get all -l and -I flags for compiler right
# compile:
gcc -c -o main.o main.c `pkg-config --cflags PKGNAME`

# link:
gcc -o my_application main.o `pkg-config --libs PKGNAME`

# compile + link in a single step:
gcc -o my_application main.c `pkg-config --cflags --libs PKGNAME`

# check if library is installed
pkg-config --exists 'glib-2.0 >= 1.3.4 libxml = 1.8.3' && echo yep || echo nope