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#serial 1
dnl From grep.
AC_DEFUN(jm_WITH_REGEX,
[
AC_ARG_WITH(included-regex,
[ --without-included-regex don't compile regex],
USE_REGEX=$withval,
USE_REGEX=yes)
if test "$USE_REGEX" = yes; then
LIBOBJS="$LIBOBJS regex.o"
else
if test x = y; then
# This code is deliberately never run via ./configure.
# FIXME: this is a hack to make autoheader put the corresponding
# HAVE_* undef for this symbol in config.h.in. This saves me the
# trouble of having to maintain the #undef in acconfig.h manually.
AC_CHECK_FUNCS(LIBC_REGEX)
fi
# Defining it this way (rather than via AC_DEFINE) short-circuits the
# autoheader check -- autoheader doesn't know it's already been taken
# care of by the hack above.
ac_kludge=HAVE_LIBC_REGEX
AC_DEFINE_UNQUOTED($ac_kludge)
fi
]
)
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