5 Usage: libpng-config [OPTION] ...
7 Known values for OPTION are:
9 --prefix print libpng prefix
10 --libdir print path to directory containing library
11 --libs print library linking information
12 --ccopts print compiler options
13 --cppflags print pre-processor flags
14 --cflags print preprocessor flags, I_opts, and compiler options
15 --I_opts print "-I" include options
16 --L_opts print linker "-L" flags for dynamic linking
17 --R_opts print dynamic linker "-R" or "-rpath" flags
18 --ldopts print linker options
19 --ldflags print linker flags (ldopts, L_opts, R_opts, and libs)
20 --static revise subsequent outputs for static linking
21 --help print this help and exit
22 --version print version information
28 if test $# -eq 0; then
32 while test $# -gt 0; do
57 echo ${I_opts} ${cppflags} ${ccopts}
81 echo ${ldflags} ${L_opts} ${R_opts} ${libs}