NetBSD/gnu/dist/tar/m4/prereq.m4

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#serial 21
dnl These are the prerequisite macros for files in the lib/
dnl directories of the fileutils, sh-utils, and textutils packages.
AC_DEFUN([jm_PREREQ],
[
jm_PREREQ_ADDEXT
jm_PREREQ_CANON_HOST
jm_PREREQ_DIRNAME
jm_PREREQ_ERROR
jm_PREREQ_EXCLUDE
jm_PREREQ_GETPAGESIZE
jm_PREREQ_HASH
jm_PREREQ_HUMAN
jm_PREREQ_MBSWIDTH
jm_PREREQ_MEMCHR
jm_PREREQ_QUOTEARG
jm_PREREQ_READUTMP
jm_PREREQ_REGEX
jm_PREREQ_TEMPNAME # called by mkstemp
jm_PREREQ_XGETCWD
jm_PREREQ_XREADLINK
])
AC_DEFUN([jm_PREREQ_ADDEXT],
[
dnl For addext.c.
AC_SYS_LONG_FILE_NAMES
AC_CHECK_FUNCS(pathconf)
AC_CHECK_HEADERS(limits.h string.h unistd.h)
])
AC_DEFUN([jm_PREREQ_CANON_HOST],
[
dnl Add any libraries as early as possible.
dnl In particular, inet_ntoa needs -lnsl at least on Solaris5.5.1,
dnl so we have to add -lnsl to LIBS before checking for that function.
AC_SEARCH_LIBS(gethostbyname, [inet nsl])
dnl These come from -lnsl on Solaris5.5.1.
AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
AC_CHECK_HEADERS(unistd.h string.h netdb.h sys/socket.h \
netinet/in.h arpa/inet.h)
])
AC_DEFUN([jm_PREREQ_DIRNAME],
[
AC_HEADER_STDC
AC_CHECK_HEADERS(string.h)
])
AC_DEFUN([jm_PREREQ_EXCLUDE],
[
jm_FUNC_FNMATCH
AC_CHECK_HEADERS(stdbool.h)
])
AC_DEFUN([jm_PREREQ_GETPAGESIZE],
[
AC_CHECK_FUNCS(getpagesize)
AC_CHECK_HEADERS(OS.h unistd.h)
])
AC_DEFUN([jm_PREREQ_HASH],
[
AC_CHECK_HEADERS(stdlib.h stdbool.h)
AC_REQUIRE([jm_CHECK_DECLS])
])
# If you use human.c, you need the following files:
# inttypes.m4 ulonglong.m4
AC_DEFUN([jm_PREREQ_HUMAN],
[
AC_CHECK_HEADERS(limits.h stdlib.h string.h)
AC_CHECK_DECLS([getenv])
AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
])
AC_DEFUN([jm_PREREQ_MEMCHR],
[
AC_CHECK_HEADERS(limits.h stdlib.h bp-sym.h)
])
AC_DEFUN([jm_PREREQ_QUOTEARG],
[
AC_CHECK_FUNCS(isascii iswprint mbsinit)
jm_FUNC_MBRTOWC
AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h)
AC_HEADER_STDC
AC_C_BACKSLASH_A
AC_MBSTATE_T
AM_C_PROTOTYPES
])
AC_DEFUN([jm_PREREQ_READUTMP],
[
AC_HEADER_STDC
AC_CHECK_HEADERS(string.h utmp.h utmpx.h sys/param.h)
AC_CHECK_FUNCS(utmpname)
AC_CHECK_FUNCS(utmpxname)
AM_C_PROTOTYPES
if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
utmp_includes="\
$ac_includes_default
#ifdef HAVE_UTMPX_H
# include <utmpx.h>
#endif
#ifdef HAVE_UTMP_H
# include <utmp.h>
#endif
"
AC_CHECK_MEMBERS([struct utmpx.ut_user],,,[$utmp_includes])
AC_CHECK_MEMBERS([struct utmp.ut_user],,,[$utmp_includes])
AC_CHECK_MEMBERS([struct utmpx.ut_name],,,[$utmp_includes])
AC_CHECK_MEMBERS([struct utmp.ut_name],,,[$utmp_includes])
AC_CHECK_MEMBERS([struct utmpx.ut_type],,,[$utmp_includes])
AC_CHECK_MEMBERS([struct utmp.ut_type],,,[$utmp_includes])
AC_LIBOBJ(readutmp)
fi
])
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.
AC_CHECK_FUNCS(bzero bcopy isascii btowc)
AC_CHECK_HEADERS(alloca.h libintl.h wctype.h wchar.h)
AC_HEADER_STDC
AC_FUNC_ALLOCA
])
AC_DEFUN([jm_PREREQ_TEMPNAME],
[
AC_HEADER_STDC
AC_HEADER_STAT
AC_CHECK_HEADERS(fcntl.h sys/time.h stdint.h unistd.h)
AC_CHECK_FUNCS(__secure_getenv gettimeofday)
])
AC_DEFUN([jm_PREREQ_XGETCWD],
[
AC_C_PROTOTYPES
AC_CHECK_HEADERS(limits.h stdlib.h sys/param.h unistd.h)
AC_CHECK_FUNCS(getcwd)
AC_FUNC_GETCWD_NULL
])
AC_DEFUN([jm_PREREQ_XREADLINK],
[
AC_C_PROTOTYPES
AC_CHECK_HEADERS(limits.h stdlib.h sys/types.h unistd.h)
])