Thanks Olivier and all, The static was the culprit.
-- Rudra JRF; SNBNCBS http://www.bose.res.in/~rudra A bus station is where a bus stops. A train station is where a train stops. On my desk I have a work station. Please, if possible, don't send me MS Word or PowerPoint attachments Why?See: http://www.gnu.org/philosophy/no-word-attachments.html ________________________________ From: Olivier Sessink <oliviersess...@gmail.com> To: gtk-app-devel-list@gnome.org Sent: Friday, 31 August 2012 4:02 PM Subject: Re: compile multiple source file On 08/31/2012 04:48 PM, Rudra Banerjee wrote: > If they are in separate file, then, > $ gcc `pkg-config --cflags --libs gtk+-3.0` hello.c main.c -c > main.c: In function ‘main’: > main.c:13:5: error: ‘hello’ undeclared (first use in this function) > main.c:13:5: note: each undeclared identifier is reported only once for > each function it appears in > > But obviously, putting both of them together in a single file works. > How to compile while keeping them seperate first remove the 'static' keyword before function hello(), static functions are only called from the file itself, they are not to be called from other files. now create a header file hello.h that contains: void hello( GtkWidget *widget, gpointer data ); and include that in main.c like #include "hello.h" now you can compile each .c file, and then link the resulting .o files to a binary. Olivier _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
