prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/i386-linux-gnu
includedir=${prefix}/include/libpng12

Name: libpng
Description: Loads and saves PNG files
Version: 1.2.46
Libs: -L${libdir} -lpng12
Libs.private: -lz -lm 
Cflags: -I${includedir}