[Linux][Knowledge] pkg-config

Edit following script, and save as test.pc

prefix=/usr/local
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${exec_prefix}/include

Name: libpng
Description: Loads and saves PNG files
Version: 1.2.8
Libs: -L${libdir} -lpng12 -lz
Cflags: -I${includedir}/libpng12

Type following command will show like below.

[happy@localhost 1]$ pkg-config --variable=prefix a.pc
/usr/local

[freeman@localhost 1]$ pkg-config --cflags a.pc
-I/usr/local/include/libpng12

[freeman@localhost 1]$ pkg-config --libs a.pc 
-L/usr/local/lib -lpng12 -lz

Reference:

• pkg-config