Re: Bug#1064998: guile-lib: broken package when cross building

[Vagrant Cascadian <vagrant@debian.org>]

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Forwarding this upstream, originally submitted in the Debian bug
tracking system at:

  https://bugs.debian.org/1064998

On 2024-02-28, Helmut Grohne wrote:
> guile-lib actually does cross build, but we still track it as cross
> build failure, because the resulting package contains a build
> architecture multiarch tuple and that trips post-build sanity checks.
>
> The root cause of the failure lies in the way the ccache directory is
> determined. There are actually several ways this is being done during
> configure - some of which work correctly - and ultimately, the last
> attempt using GUILE_SITE_CCACHE_DIR gets to set the value wrongly.
> Surprisingly, there already is a more complete and working
> implementation GUILE_SITE_DIR and simply reusing that makes it compute
> the ccache directory correctly. Is the attached patch acceptable?
>
> Helmut
> --- guile-lib-0.2.7.orig/m4/guile-ext.m4
> +++ guile-lib-0.2.7/m4/guile-ext.m4
> @@ -63,12 +63,4 @@
>  # The variable is marked for substitution, as by @code{AC_SUBST}.
>  #
>  AC_DEFUN([GUILE_SITE_CCACHE_DIR],
> - [AC_REQUIRE([GUILE_PROGS])
> -  AC_MSG_CHECKING(for Guile site ccache directory)
> -  GUILE_SITE_CCACHE=`$GUILE -c "(display (%site-ccache-dir))"`
> -  if test "$GUILE_SITE_CCACHE" = ""; then
> -     AC_MSG_FAILURE(site ccache dir not found)
> -  fi
> -  AC_MSG_RESULT($GUILE_SITE_CCACHE)
> -  AC_SUBST(GUILE_SITE_CCACHE)
> - ])
> + [AC_REQUIRE([GUILE_SITE_DIR])])

Would the guile-lib developers consider merging this? Are there any
use-cases where this is inappropriate?

Thanks!

live well,
  vagrant

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