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toplevel: Unbreak Ada build [PR123490]

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As written earlier, the config-ml.in change from the
--with-multi-buildlist patch broke build of Ada, Ada uses
RTSDIR = rts$(subst /,_,$(MULTISUBDIR))
and expects that the primary multilib will result in rts
rather than rts_. it results in after the --with-multi-buildlist
changes.

The following patch fixes it by restoring previous behavior for
ml_subdir / MULTISUBDIR such that for primary multilib it is
still empty rather than /.

2026-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR ada/123490
	* config-ml.in: Restore ml_subdir being empty instead of /.
	for the primary multilib.
This commit is contained in:
Jakub Jelinek
2026-01-10 11:36:25 +01:00
committed by Jakub Jelinek
parent 8a6ff9ca60
commit 5079424ade
1 changed files with 5 additions and 1 deletions
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6
config-ml.in
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@@ -615,7 +615,11 @@ fi
if [ -z "${with_multisubdir}" ]; then
ml_top_subdir=`${CC-gcc} --print-multi-directory 2>/dev/null`
ml_subdir=/$ml_top_subdir
if [ "$ml_top_subdir" = . ]; then
ml_subdir=
else
ml_subdir=/$ml_top_subdir
fi
ml_builddotdot=
: # ml_srcdotdot= # already set
else