# -----------------
# Like AS_DIRNAME, only do it during macro expansion
AC_DEFUN([_AM_DIRNAME],
- [m4_if(m4_bregex([$1], [^.*[^/]//*[^/][^/]*/*$]), -1,
- m4_if(m4_bregex([$1], [^//\([^/]\|$\)]), -1,
- m4_if(m4_bregex([$1], [^/.*]), -1,
+ [m4_if(m4_bregexp([$1], [^.*[^/]//*[^/][^/]*/*$]), -1,
+ m4_if(m4_bregexp([$1], [^//\([^/]\|$\)]), -1,
+ m4_if(m4_bregexp([$1], [^/.*]), -1,
[.],
m4_bpatsubst([$1], [^\(/\).*], [\1])),
m4_bpatsubst([$1], [^\(//\)\([^/].*\|$\)], [\1])),