Re: staging dir (DESTDIR)

[Robert Boehne]

Tomek,

Without attempting to build what you're building, it's impossible to say if it is a Libtool bug, a version mismatch, or a hacked Libtool in one of your packages.  As far as I know, this should work.

Thanks,

Rob

On Jul 5, 2017 5:51 PM, "Tomek Bury" <address@hidden> wrote:

Hi Robert,

For example weston needed wayland, wayland, in turn, needed libffi. This and all similar cases with a dependency chain were failing in similar way with libtool looking for .la in a wrong place.

I've configured all packages with './configure --prefix=/usr/local --host=arm-linux-gnueabihf' and than cross-compiled and installed with 'make install DESTDIR=/my/staging/dir'. I've also set PKG_CONFIG_SYSROOT_DIR, PKG_CONFIG_PATH and PKG_CONFIG_LIBDIR to point to my staging area.

The problem I'm having is that libtool correctly finds the 1st-level dependency but fails on the 2nd level and tries to open .la files in ${prefix} rather than ${staging}/${prefix}.

I eventually managed to massage it into place by extending my configure arguments with "--with-sysroot=${staging} LDFLAGS=-Wl,-rpath-link=${staging}/${prefix}/lib" but that does seem a bit over the top. I had to do very careful configuration in order for that contraption to build. For example pixmap (dependency chain was weston-->cairo-->pixmap) wouldn't build unless tests were statically linked and so on. I've also noticed that some .so libraries were built with hard-coded rpath pointing to my staging area, (for example freetype) but they worked nonetheless.

What would be "The Right Way (TM)" of cross-compiling a subsystem with autoconf, libtool, pkg-config and friends?

Cheers,

Tomek

On Wed, Jul 5, 2017 at 8:48 PM Robert Boehne <address@hidden> wrote:

Tomek,

I don't think I could get very far with what you've provided so far.  Can you post a simplified example that demonstrates the problem?

Thanks,

Robert Boehne

On Mon, Jul 3, 2017 at 12:17 PM, Tomek Bury <address@hidden> wrote:

Hi,

Is there any way to make libtool play nicely with cross-compiled dependencies in temporary staging directory? I'm trying to build Weston which requires wayland which, in turn, requires ffi. Libtool correctly finds the 1st-level dependencies (wayland) but then fails on libffi.

In theory it should Just Work (TM) but in practice libtool tries to use sed on /usr/local/lib/libffi.la (I've configured with --prefix=/usr/local) which doesn't exist.

Cheers,

Tomek

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