openprs

With -fno-common (gcc-10 default):

/usr/bin/ld: ./.libs/libOprs.a(parser-funct.o):(.bss+0x8): multiple definition of `progname'; oprs_server-oprs-server-main.o:(.bss+0x20): first defined here
/usr/bin/ld: ./.libs/libOprs.a(parser-funct.o):(.data+0x0): multiple definition of `i_have_the_stdin'; oprs_server-oprs-server-main.o:(.bss+0x8): first defined here