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Diffstat (limited to 'aclocal.in')
| -rw-r--r-- | aclocal.in | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/aclocal.in b/aclocal.in index e65b0ab2d..d68ea3365 100644 --- a/aclocal.in +++ b/aclocal.in @@ -432,6 +432,16 @@ sub scan_m4_files () if (@user_includes) { + # Don't explore the same directory multiple times. This is here not + # only for speedup purposes. We need this when the user has e.g. + # specified 'ACLOCAL_AMFLAGS = -I m4' and has also set + # AC_CONFIG_MACRO_DIR[S]([m4]) in configure.ac. This makes the 'm4' + # directory to occur twice here and fail on the second call to + # scan_m4_dirs([m4]) when the 'm4' directory doesn't exist. + # TODO: Shouldn't there be rather a check in scan_m4_dirs for + # @user_includes[0]? + @user_includes = uniq @user_includes; + # Don't complain if the first user directory doesn't exist, in case # we need to create it later (can happen if '--install' was given). scan_m4_dirs (FT_USER, |