Am Sonntag, den 10.10.2010, 11:11 -0700 schrieb Chris Larson: > On Sun, Oct 10, 2010 at 10:38 AM, Paul Menzel wrote: > > > Am Sonntag, den 10.10.2010, 10:09 -0700 schrieb Chris Larson: > > > On Sun, Oct 10, 2010 at 10:05 AM, Paul Menzel < > > > [email protected]> wrote: > > > > > > > I stumbled upon several programs who call plain `pkg-config` [1][2]. > > > > > > > > Is the following statement correct? > > > > > > > > To be able to cross compile programs correctly, the build files are > > > > supposed to use the environment variable `PKG_CONFIG` and only call > > > > pkg-config directly if `PKG_CONFIG` is empty. > > > > > > > > if test -z "${PKG_CONFIG}"; then > > > > PKG_CONFIG="pkg-config" > > > > > > > > If you agree I would note that somewhere in the Wiki, so that upstream > > > > can be pointed to some documentation and search the Web will result in > > > > some useful results. > > > > > > > > > > Can you explain why running just 'pkg-config' is a problem? It seems to > > > work just fine.. > > > > Do you have a minimal build host. Some problems do not surface if some > > files are installed locally on the build host. > > > > Please take a look at [2] I forgot to add in my original message. I have > > no clue why the staged(?) pkg-config behaves differently than the local > > installed one. Does it search the paths in a different order? > > pkgconfig-native searches its own built in path (the one in the native > sysroot) along with the paths in PKG_CONFIG_PATH. None of those are outside > of the sysroots.
Well obviously something is not working then, since the bug is there as
documented in [2].
> > Secondly I am having a similar problem with `gobject-introspection`
> > where [1]
> >
> > gir/Makefile.am:GLIB_INCLUDEDIR=$(shell pkg-config
> > --variable=includedir glib-2.0)/glib-2.0
> > gir/Makefile.am:GLIB_LIBDIR=$(shell pkg-config --variable=libdir
> > glib-2.0)
> >
> > returns the wrong path.
> >
> > Making all in gir
> > make[2]: Entering directory
> > `/oe/build-minimal-libc/minimal-dev/work/armv7a-oe-linux-gnueabi/gobject-introspection-0.9.12-r0/gobject-introspection-0.9.12/gir'
> > make[2]: *** No rule to make target
> > `/usr/lib/glib-2.0/include/glibconfig.h', needed by `GLib-2.0.gir'. Stop.
> > make[2]: Leaving directory
> > `/oe/build-minimal-libc/minimal-dev/work/armv7a-oe-linux-gnueabi/gobject-introspection-0.9.12-r0/gobject-introspection-0.9.12/gir'
> > make[1]: *** [all-recursive] Error 1
>
> /usr/{lib,include} paths are mangled by pkg-config using
> PKG_CONFIG_SYSROOT_DIR. If that's not happening here, that's a bug that
> should be investigated, but I fail to see how setting PKG_CONFIG is going to
> magically fix it.
I do not see it either. But Khem’s patch helped [2].
Thanks,
Paul
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