Re: Simple glib compilation problem: DSO missing from command line

[Nicola Fontana <ntd entidi it>]

Il Fri, 27 Mar 2015 11:31:59 +0100 Bruno Cauet <brunocauet gmail com> scrisse:

> Hi,
> I'm having trouble compiling stuff with glib. Here it is:
> $ LANG=C gcc -I /usr/include/glib-2.0  -I /usr/lib/glib-2.0/include -L
> /usr/lib -l gio-2.0 segfault.c
> /usr/bin/ld: /usr/lib/libgio-2.0.so: undefined reference to symbol
> 'g_object_unref'
> /usr/lib/libgobject-2.0.so.0: error adding symbols: DSO missing from
> command line
> collect2: error: ld returned 1 exit status

Hi,

you are missing a couple of libraries from the command-line and the
order is wrong. To be on the safe side just use pkg-config:

$ LANG=C gcc $(pkg-config --cflags gio-2.0) segfault.c $(pkg-config --libs gio-2.0)

> You will find gio.c attached. There's related problems with solution on the
> internet but those solutions were related to the library inclusion order,
> and I cannot adapt it to my case (single library in which the symbol is
> also defined).

Nothing attached here.

Ciao.
-- 
Nicola