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Re: Library order in gcc command
From: |
Peter O'Gorman |
Subject: |
Re: Library order in gcc command |
Date: |
Mon, 09 Jul 2007 12:40:30 -0500 |
On Mon, 2007-07-09 at 14:44 +0200, Arvid Brodin wrote:
> I am doing a test installation of GTK+ on top of DirectFB (instead of on
> X11). (I'm later going to cross compile this for an embedded system.) Now,
> GTK+ depends on Cairo, and Cairo in turn is compiled with support for either
> X11 or DirectFB as graphics backend. I'm installing everything to a separate
> directory (using ./configure --prefix=/home/install_dir), and that is where
> the DirectFB version of the Cairo libraries end up (in subdir lib/). I'm
> normally running X11 on this system, so an X11 version of the Cairo library
> is already installed in /usr/lib64.
>
> libtool is used by make to generate commands for building GTK+. libtool finds
> both versions of the Cairo library, but unfortunately it places the
> /usr/lib64 one first, and that makes the linker fail with undefined
> references. (If I run the command by hand, removing the
> /usr/lib64/libcairo.so reference, the command works fine, but there are many
> files to compile/link and I would like a better solution.)
>
>
> This is what is printed by make:
>
> /bin/sh ../libtool --mode=link gcc -DG_DISABLE_DEPRECATED -g -O2 -Wall -o
> gtk-query-immodules-2.0 queryimmodules.o libgtk-directfb-2.0.la
> ../gdk-pixbuf/libgdk_pixbuf-2.0.la ../gdk/libgdk-directfb-2.0.la
> gcc -DG_DISABLE_DEPRECATED -g -O2 -Wall -o .libs/gtk-query-immodules-2.0
> queryimmodules.o ./.libs/libgtk-directfb-2.0.so
> -L/home/install_dir/usr/local//lib
> /home/install_dir/source/gtk+-2.10.13/gdk/.libs/libgdk-directfb-2.0.so
> -L/home/install_dir/usr/local/lib
> /home/install_dir/usr/local/lib/libatk-1.0.so
> ../gdk-pixbuf/.libs/libgdk_pixbuf-2.0.so ../gdk/.libs/libgdk-directfb-2.0.so
> /home/install_dir/usr/local//lib/libpangocairo-1.0.so /usr/lib64/libcairo.so
> /usr/lib64/libglitz.so /usr/lib64/libXrender.so /usr/lib64/libX11.so
> /usr/lib64/libXau.so /usr/lib64/libXdmcp.so
> /home/install_dir/usr/local//lib/libpangoft2-1.0.so
> /home/install_dir/usr/local//lib/libpango-1.0.so
> /home/install_dir/usr/local//lib/libcairo.so /usr/lib64/libfontconfig.so
> /usr/lib64/libfreetype.so /usr/lib64/libxml2.so
> /home/install_dir/usr/local//lib/libdirectfb.so
> /home/install_dir/usr/local//lib/libfusion.so
> /home/install_dir/usr/local//lib/libdirect.so -lpthread
> /usr/lib64/libpng12.so -lz /home/install_di
> r/source/gtk+-2.10.13/gdk-pixbuf/.libs/libgdk_pixbuf-2.0.so
> /home/install_dir/usr/local//lib/libgmodule-2.0.so -ldl
> /home/install_dir/usr/local//lib/libgobject-2.0.so
> /home/install_dir/usr/local//lib/libglib-2.0.so -lm -Wl,--rpath
> -Wl,/home/install_dir/usr/local/lib -Wl,--rpath
> -Wl,/home/install_dir/usr/local//lib
> /home/install_dir/source/gtk+-2.10.13/gdk/.libs/libgdk-directfb-2.0.so:
> undefined reference to `cairo_directfb_surface_create'
> collect2: ld returned 1 exit status
>
> I have set LD_LIBRARY_PATH=/home/install_dir/lib - is this where libtool gets
> the path to the correct library? And most importantly, how do I get libtool
> to place the correct library before the /usr/lib64/libcairo.so one so that
> the link does not fail?
check /home/install_dir/lib/*.la files for references to /usr/lib64 in
dependency_libs.
You may have to edit or remove them. Libtool is not great at building in
a root like this.
Peter