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(jm_PREREQ_REGEX): New function, from gnulib.

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(jm_INCLUDED_REGEX): Use it.
This commit is contained in:
Jim Meyering
2003-02-02 18:18:05 +00:00
parent 50d375102f
commit 1facca4380
1 changed files with 18 additions and 0 deletions
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18
m4/regex.m4
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@@ -88,8 +88,26 @@ AC_DEFUN([jm_INCLUDED_REGEX],
jm_with_regex=$ac_use_included_regex)
if test "$jm_with_regex" = yes; then
AC_LIBOBJ(regex)
jm_PREREQ_REGEX
fi
],
)
]
)
# Prerequisites of lib/regex.c.
AC_DEFUN([jm_PREREQ_REGEX],
[
dnl FIXME: Maybe provide a btowc replacement someday: solaris-2.5.1 lacks it.
dnl FIXME: Check for wctype and iswctype, and and add -lw if necessary
dnl to get them.
dnl Persuade glibc <string.h> to declare mempcpy().
AC_REQUIRE([AC_GNU_SOURCE])
AC_REQUIRE([AC_FUNC_ALLOCA])
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS_ONCE(limits.h string.h wchar.h wctype.h)
AC_CHECK_FUNCS_ONCE(isascii mempcpy)
AC_CHECK_FUNCS(btowc)
])