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configure: Check that provided paths are absolute

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configure checks that its built-in directory options get an absolute
path. Copy the check for custom options.

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Link: https://lore.kernel.org/r/8aff0c9c491d8afeec7f6b2cd96cbd0439e26fbb.1699618135.git.msuchanek@suse.de
Signed-off-by: Lucas De Marchi <lucas.de.marchi@gmail.com>
This commit is contained in:
Michal Suchanek 2023-11-10 13:13:55 +01:00 committed by Lucas De Marchi
parent 9d1fb317c8
commit 48b0c75f79
1 changed files with 17 additions and 0 deletions
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17
configure.ac
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@ -97,6 +97,23 @@ AC_ARG_WITH([module_directory],
[], [with_module_directory=/lib/modules])
AC_SUBST([module_directory], [$with_module_directory])
# Check all directory arguments for consistency.
for ac_var in distconfdir rootlibdir module_directory
do
eval ac_val=\$$ac_var
# Remove trailing slashes.
case $ac_val in
*/ )
ac_val=`expr "X$ac_val" : 'X\(.*@<:@^/@:>@\)' \| "X$ac_val" : 'X\(.*\)'`
eval $ac_var=\$ac_val;;
esac
# Be sure to have absolute directory names.
case $ac_val in
@<:@\\/$@:>@* | ?:@<:@\\/@:>@* ) continue;;
esac
as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
done
AC_ARG_WITH([zstd],
AS_HELP_STRING([--with-zstd], [handle Zstandard-compressed modules @<:@default=disabled@:>@]),
[], [with_zstd=no])