mirror of
git://git.sv.gnu.org/autoconf
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Create acheaders.m4.
* acgeneral.m4 (AC_CHECK_HEADER, AC_CHECK_HEADERS) (AH_CHECK_HEADERS): Move to... * acheaders.m4: here, a new file. * acspecific.m4 (_AC_CHECK_HEADER_DIRENT, AH_CHECK_HEADERS_DIRENT) (AC_HEADER_DIRENT, AC_HEADER_MAJOR, AC_HEADER_STAT, AC_HEADER_STDC) (AC_HEADER_SYS_WAIT, AC_HEADER_TIME) (_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H) (_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL, AC_HEADER_TIOCGWINSZ): Move to... * acheaders.m4: here.
This commit is contained in:
Akim Demaille
parent
cc2c99e90b
commit
e555c2fb78
15
ChangeLog
15
ChangeLog
@ -1,3 +1,18 @@
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2000-11-14 Akim Demaille <akim@epita.fr>
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Create acheaders.m4.
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* acgeneral.m4 (AC_CHECK_HEADER, AC_CHECK_HEADERS)
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(AH_CHECK_HEADERS): Move to...
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* acheaders.m4: here, a new file.
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* acspecific.m4 (_AC_CHECK_HEADER_DIRENT, AH_CHECK_HEADERS_DIRENT)
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(AC_HEADER_DIRENT, AC_HEADER_MAJOR, AC_HEADER_STAT, AC_HEADER_STDC)
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(AC_HEADER_SYS_WAIT, AC_HEADER_TIME)
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(_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H)
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(_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL, AC_HEADER_TIOCGWINSZ): Move
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to...
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* acheaders.m4: here.
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2000-11-14 Akim Demaille <akim@epita.fr>
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Move AC_MSG_* into M4sh.
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@ -38,7 +38,7 @@ EXTRA_SCRIPTS = autoscan
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m4sources = m4sugar.m4 m4sh.m4 \
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autoconf.m4 \
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acgeneral.m4 acoldnames.m4 acspecific.m4 aclang.m4 acversion.m4 \
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acfunctions.m4
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acfunctions.m4 acheaders.m4
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distpkgdataDATA = acfunctions acheaders acidentifiers acmakevars acprograms \
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$(m4sources)
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@ -80,7 +80,7 @@ EXTRA_SCRIPTS = autoscan
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# s/nodistpackageDATA/nodist_pkgdata_DATA/
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# and adapt dependencies once we use a more recent Automake
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m4sources = m4sugar.m4 m4sh.m4 autoconf.m4 acgeneral.m4 acoldnames.m4 acspecific.m4 aclang.m4 acversion.m4 acfunctions.m4
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m4sources = m4sugar.m4 m4sh.m4 autoconf.m4 acgeneral.m4 acoldnames.m4 acspecific.m4 aclang.m4 acversion.m4 acfunctions.m4 acheaders.m4
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distpkgdataDATA = acfunctions acheaders acidentifiers acmakevars acprograms $(m4sources)
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39
acgeneral.m4
39
acgeneral.m4
@ -2993,45 +2993,6 @@ fi
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## --------------------------- ##
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## Checking for header files. ##
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## --------------------------- ##
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# AC_CHECK_HEADER(HEADER-FILE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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# ----------------------------------------------------------------------
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AC_DEFUN([AC_CHECK_HEADER],
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[AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_$1])dnl
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AC_ARG_VAR([CPPFLAGS], [C/C++ preprocessor flags, e.g. -I<include dir> if you have headers in a nonstandard directory <include dir>])
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AC_CACHE_CHECK([for $1], ac_Header,
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[AC_TRY_CPP([#include <$1>
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],
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AC_VAR_SET(ac_Header, yes), AC_VAR_SET(ac_Header, no))])
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AS_IFELSE([test AC_VAR_GET(ac_Header) = yes],
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[$2], [$3])dnl
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AC_VAR_POPDEF([ac_Header])dnl
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])# AC_CHECK_HEADER
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m4_define([AH_CHECK_HEADERS],
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[AC_FOREACH([AC_Header], [$1],
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[AH_TEMPLATE(AC_TR_CPP(HAVE_[]AC_Header),
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[Define if you have the <]AC_Header[> header file.])])])
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# AC_CHECK_HEADERS(HEADER-FILE...
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# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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# ----------------------------------------------------------
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AC_DEFUN([AC_CHECK_HEADERS],
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[AH_CHECK_HEADERS([$1])dnl
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for ac_header in $1
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do
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AC_CHECK_HEADER($ac_header,
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[AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_header)) $2],
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[$3])dnl
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done
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])
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## ------------------------------------- ##
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## Checking for the existence of files. ##
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## ------------------------------------- ##
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442
acheaders.m4
Normal file
442
acheaders.m4
Normal file
@ -0,0 +1,442 @@
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# This file is part of Autoconf. -*- Autoconf -*-
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# Checking for headers.
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# Copyright 2000
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# Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
|
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#
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# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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||||
#
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||||
# As a special exception, the Free Software Foundation gives unlimited
|
||||
# permission to copy, distribute and modify the configure scripts that
|
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# are the output of Autoconf. You need not follow the terms of the GNU
|
||||
# General Public License when using or distributing such scripts, even
|
||||
# though portions of the text of Autoconf appear in them. The GNU
|
||||
# General Public License (GPL) does govern all other use of the material
|
||||
# that constitutes the Autoconf program.
|
||||
#
|
||||
# Certain portions of the Autoconf source text are designed to be copied
|
||||
# (in certain cases, depending on the input) into the output of
|
||||
# Autoconf. We call these the "data" portions. The rest of the Autoconf
|
||||
# source text consists of comments plus executable code that decides which
|
||||
# of the data portions to output in any given case. We call these
|
||||
# comments and executable code the "non-data" portions. Autoconf never
|
||||
# copies any of the non-data portions into its output.
|
||||
#
|
||||
# This special exception to the GPL applies to versions of Autoconf
|
||||
# released by the Free Software Foundation. When you make and
|
||||
# distribute a modified version of Autoconf, you may extend this special
|
||||
# exception to the GPL to apply to your modified version as well, *unless*
|
||||
# your modified version has the potential to copy into its output some
|
||||
# of the text that was the non-data portion of the version that you started
|
||||
# with. (In other words, unless your change moves or copies text from
|
||||
# the non-data portions to the data portions.) If your modification has
|
||||
# such potential, you must delete any notice of this special exception
|
||||
# to the GPL from your modified version.
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||||
#
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||||
# Written by David MacKenzie, with help from
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# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
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# Roland McGrath, Noah Friedman, david d zuhn, and many others.
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# Table of contents
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#
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# 1. Generic tests for headers
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# 2. Tests for specific headers
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## ------------------------------ ##
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## 1. Generic tests for headers. ##
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## ------------------------------ ##
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# AC_CHECK_HEADER(HEADER-FILE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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# ----------------------------------------------------------------------
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AC_DEFUN([AC_CHECK_HEADER],
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[AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_$1])dnl
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AC_ARG_VAR([CPPFLAGS], [C/C++ preprocessor flags, e.g. -I<include dir> if you have headers in a nonstandard directory <include dir>])
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AC_CACHE_CHECK([for $1], ac_Header,
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[AC_TRY_CPP([#include <$1>
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],
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AC_VAR_SET(ac_Header, yes), AC_VAR_SET(ac_Header, no))])
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AS_IFELSE([test AC_VAR_GET(ac_Header) = yes],
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[$2], [$3])dnl
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AC_VAR_POPDEF([ac_Header])dnl
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])# AC_CHECK_HEADER
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# AH_CHECK_HEADERS(HEADER-FILE...)
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# --------------------------------
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m4_define([AH_CHECK_HEADERS],
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[AC_FOREACH([AC_Header], [$1],
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[AH_TEMPLATE(AC_TR_CPP(HAVE_[]AC_Header),
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[Define if you have the <]AC_Header[> header file.])])])
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# AC_CHECK_HEADERS(HEADER-FILE...
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# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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# ----------------------------------------------------------
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AC_DEFUN([AC_CHECK_HEADERS],
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[AH_CHECK_HEADERS([$1])dnl
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for ac_header in $1
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do
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AC_CHECK_HEADER($ac_header,
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[AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_header)) $2],
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[$3])dnl
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done
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])
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## ------------------------------- ##
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## 2. Tests for specific headers. ##
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## ------------------------------- ##
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# _AC_CHECK_HEADER_DIRENT(HEADER-FILE,
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# [ACTION-IF-FOUND], [ACTION-IF-NOT_FOUND])
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# -----------------------------------------------------------------
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# Like AC_CHECK_HEADER, except also make sure that HEADER-FILE
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# defines the type `DIR'. dirent.h on NextStep 3.2 doesn't.
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m4_define([_AC_CHECK_HEADER_DIRENT],
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[AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_dirent_$1])dnl
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AC_CACHE_CHECK([for $1 that defines DIR], ac_Header,
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
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#include <$1>
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],
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[DIR *dirp = 0;])],
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[AC_VAR_SET(ac_Header, yes)],
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[AC_VAR_SET(ac_Header, no)])])
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AS_IFELSE([test AC_VAR_GET(ac_Header) = yes],
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[$2], [$3])dnl
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AC_VAR_POPDEF([ac_Header])dnl
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])# _AC_CHECK_HEADER_DIRENT
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# AH_CHECK_HEADERS_DIRENT(HEADERS...)
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# -----------------------------------
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m4_define([AH_CHECK_HEADERS_DIRENT],
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[AC_FOREACH([AC_Header], [$1],
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[AH_TEMPLATE(AC_TR_CPP(HAVE_[]AC_Header),
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[Define if you have the <]AC_Header[> header file, and
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it defines `DIR'.])])])
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# AC_HEADER_DIRENT
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# ----------------
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AC_DEFUN([AC_HEADER_DIRENT],
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[AH_CHECK_HEADERS_DIRENT(dirent.h sys/ndir.h sys/dir.h ndir.h)
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ac_header_dirent=no
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for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
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_AC_CHECK_HEADER_DIRENT($ac_hdr,
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[AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_hdr), 1)
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ac_header_dirent=$ac_hdr; break])
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done
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# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
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if test $ac_header_dirent = dirent.h; then
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AC_CHECK_LIB(dir, opendir, LIBS="$LIBS -ldir")
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else
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AC_CHECK_LIB(x, opendir, LIBS="$LIBS -lx")
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fi
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])# AC_HEADER_DIRENT
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# AC_HEADER_MAJOR
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# ---------------
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AC_DEFUN([AC_HEADER_MAJOR],
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[AC_CACHE_CHECK(whether sys/types.h defines makedev,
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ac_cv_header_sys_types_h_makedev,
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[AC_TRY_LINK([#include <sys/types.h>
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], [return makedev(0, 0);],
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ac_cv_header_sys_types_h_makedev=yes, ac_cv_header_sys_types_h_makedev=no)
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])
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if test $ac_cv_header_sys_types_h_makedev = no; then
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AC_CHECK_HEADER(sys/mkdev.h,
|
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[AC_DEFINE(MAJOR_IN_MKDEV, 1,
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[Define if `major', `minor', and `makedev' are
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declared in <mkdev.h>.])])
|
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|
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if test $ac_cv_header_sys_mkdev_h = no; then
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AC_CHECK_HEADER(sys/sysmacros.h,
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[AC_DEFINE(MAJOR_IN_SYSMACROS, 1,
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[Define if `major', `minor', and `makedev' are
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declared in <sysmacros.h>.])])
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fi
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fi
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])# AC_HEADER_MAJOR
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# AC_HEADER_STAT
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# --------------
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# FIXME: Shouldn't this be named AC_HEADER_SYS_STAT?
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AC_DEFUN([AC_HEADER_STAT],
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[AC_CACHE_CHECK(whether stat file-mode macros are broken,
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ac_cv_header_stat_broken,
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[AC_EGREP_CPP([You lose], [#include <sys/types.h>
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#include <sys/stat.h>
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#if defined(S_ISBLK) && defined(S_IFDIR)
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# if S_ISBLK (S_IFDIR)
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You lose.
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# endif
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#endif
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#if defined(S_ISBLK) && defined(S_IFCHR)
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# if S_ISBLK (S_IFCHR)
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You lose.
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# endif
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#endif
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#if defined(S_ISLNK) && defined(S_IFREG)
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# if S_ISLNK (S_IFREG)
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You lose.
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# endif
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#endif
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#if defined(S_ISSOCK) && defined(S_IFREG)
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# if S_ISSOCK (S_IFREG)
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You lose.
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# endif
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#endif
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], ac_cv_header_stat_broken=yes, ac_cv_header_stat_broken=no)])
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if test $ac_cv_header_stat_broken = yes; then
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AC_DEFINE(STAT_MACROS_BROKEN, 1,
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[Define if the `S_IS*' macros in <sys/stat.h> do not
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work properly.])
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fi
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])# AC_HEADER_STAT
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# AC_HEADER_STDC
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# --------------
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AC_DEFUN([AC_HEADER_STDC],
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[AC_REQUIRE_CPP()dnl
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AC_CACHE_CHECK(for ANSI C header files, ac_cv_header_stdc,
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[AC_TRY_CPP([#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <float.h>
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], ac_cv_header_stdc=yes, ac_cv_header_stdc=no)
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if test $ac_cv_header_stdc = yes; then
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# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
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AC_EGREP_HEADER(memchr, string.h, , ac_cv_header_stdc=no)
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fi
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if test $ac_cv_header_stdc = yes; then
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# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
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AC_EGREP_HEADER(free, stdlib.h, , ac_cv_header_stdc=no)
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fi
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if test $ac_cv_header_stdc = yes; then
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# /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
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AC_TRY_RUN(
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[#include <ctype.h>
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#if ((' ' & 0x0FF) == 0x020)
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# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
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# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
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#else
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# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
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|| ('j' <= (c) && (c) <= 'r') \
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|| ('s' <= (c) && (c) <= 'z'))
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# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
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#endif
|
||||
|
||||
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
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int
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main ()
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{
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int i;
|
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for (i = 0; i < 256; i++)
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||||
if (XOR (islower (i), ISLOWER (i))
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|| toupper (i) != TOUPPER (i))
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exit(2);
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||||
exit (0);
|
||||
}], , ac_cv_header_stdc=no, :)
|
||||
fi])
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
AC_DEFINE(STDC_HEADERS, 1, [Define if you have the ANSI C header files.])
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fi
|
||||
])# AC_HEADER_STDC
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# AC_HEADER_SYS_WAIT
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||||
# ------------------
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||||
AC_DEFUN([AC_HEADER_SYS_WAIT],
|
||||
[AC_CACHE_CHECK([for sys/wait.h that is POSIX.1 compatible],
|
||||
ac_cv_header_sys_wait_h,
|
||||
[AC_COMPILE_IFELSE(
|
||||
[AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <sys/wait.h>
|
||||
#ifndef WEXITSTATUS
|
||||
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
|
||||
#endif
|
||||
#ifndef WIFEXITED
|
||||
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
|
||||
#endif
|
||||
],
|
||||
[ int s;
|
||||
wait (&s);
|
||||
s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;])],
|
||||
[ac_cv_header_sys_wait_h=yes],
|
||||
[ac_cv_header_sys_wait_h=no])])
|
||||
if test $ac_cv_header_sys_wait_h = yes; then
|
||||
AC_DEFINE(HAVE_SYS_WAIT_H, 1,
|
||||
[Define if you have <sys/wait.h> that is POSIX.1 compatible.])
|
||||
fi
|
||||
])# AC_HEADER_SYS_WAIT
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||||
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||||
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# AC_HEADER_TIME
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||||
# --------------
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||||
AC_DEFUN([AC_HEADER_TIME],
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||||
[AC_CACHE_CHECK([whether time.h and sys/time.h may both be included],
|
||||
ac_cv_header_time,
|
||||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <sys/time.h>
|
||||
#include <time.h>
|
||||
],
|
||||
[struct tm *tp;])],
|
||||
[ac_cv_header_time=yes],
|
||||
[ac_cv_header_time=no])])
|
||||
if test $ac_cv_header_time = yes; then
|
||||
AC_DEFINE(TIME_WITH_SYS_TIME, 1,
|
||||
[Define if you can safely include both <sys/time.h> and <time.h>.])
|
||||
fi
|
||||
])# AC_HEADER_TIME
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||||
|
||||
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||||
# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
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||||
# ----------------------------------
|
||||
m4_define([_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
|
||||
[AC_CACHE_CHECK([whether termios.h defines TIOCGWINSZ],
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h,
|
||||
[AC_EGREP_CPP([yes],
|
||||
[#include <sys/types.h>
|
||||
#include <termios.h>
|
||||
#ifdef TIOCGWINSZ
|
||||
yes
|
||||
#endif
|
||||
],
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h=yes,
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h=no)])
|
||||
])# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
|
||||
|
||||
# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
# ----------------------------------
|
||||
m4_define([_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL],
|
||||
[AC_CACHE_CHECK([whether sys/ioctl.h defines TIOCGWINSZ],
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h,
|
||||
[AC_EGREP_CPP([yes],
|
||||
[#include <sys/types.h>
|
||||
#include <sys/ioctl.h>
|
||||
#ifdef TIOCGWINSZ
|
||||
yes
|
||||
#endif
|
||||
],
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=yes,
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=no)])
|
||||
])# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
|
||||
|
||||
# AC_HEADER_TIOCGWINSZ
|
||||
# --------------------
|
||||
# Look for a header that defines TIOCGWINSZ.
|
||||
# FIXME: Is this the proper name? Is this the proper implementation?
|
||||
# I need more help.
|
||||
AC_DEFUN([AC_HEADER_TIOCGWINSZ],
|
||||
[AC_REQUIRE([AC_SYS_POSIX_TERMIOS])dnl
|
||||
if test $ac_cv_sys_posix_termios = yes; then
|
||||
_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
fi
|
||||
if test $ac_cv_sys_tiocgwinsz_in_termios_h != yes; then
|
||||
_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
if test $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h = yes; then
|
||||
AC_DEFINE(GWINSZ_IN_SYS_IOCTL,1,
|
||||
[Define if `TIOCGWINSZ' requires <sys/ioctl.h>])
|
||||
fi
|
||||
fi
|
||||
])# AC_HEADER_TIOCGWINSZ
|
||||
|
||||
|
||||
# AU::AC_UNISTD_H
|
||||
# ---------------
|
||||
AU_DEFUN([AC_UNISTD_H],
|
||||
[AC_CHECK_HEADERS(unistd.h)])
|
||||
|
||||
|
||||
# AU::AC_USG
|
||||
# ----------
|
||||
# Define `USG' if string functions are in strings.h.
|
||||
AU_DEFUN([AC_USG],
|
||||
[AC_DIAGNOSE([obsolete],
|
||||
[$0: Remove `AC_MSG_CHECKING', `AC_TRY_LINK' and this `AC_WARNING'
|
||||
when you ajust your code to use HAVE_STRING_H.])dnl
|
||||
AC_MSG_CHECKING([for BSD string and memory functions])
|
||||
AC_TRY_LINK([@%:@include <strings.h>], [rindex(0, 0); bzero(0, 0);],
|
||||
[AC_MSG_RESULT(yes)],
|
||||
[AC_MSG_RESULT(no)
|
||||
AC_DEFINE(USG, 1,
|
||||
[Define if you do not have <strings.h>, index, bzero, etc...
|
||||
This symbol is obsolete, you should not depend upon it.])])
|
||||
AC_CHECK_HEADERS(string.h)])
|
||||
|
||||
|
||||
# AU::AC_MEMORY_H
|
||||
# ---------------
|
||||
# To be precise this macro used to be:
|
||||
#
|
||||
# | AC_MSG_CHECKING(whether string.h declares mem functions)
|
||||
# | AC_EGREP_HEADER(memchr, string.h, ac_found=yes, ac_found=no)
|
||||
# | AC_MSG_RESULT($ac_found)
|
||||
# | if test $ac_found = no; then
|
||||
# | AC_CHECK_HEADER(memory.h, [AC_DEFINE(NEED_MEMORY_H)])
|
||||
# | fi
|
||||
#
|
||||
# But it is better to check for both headers, and alias NEED_MEMORY_H to
|
||||
# HAVE_MEMORY_H.
|
||||
AU_DEFUN([AC_MEMORY_H],
|
||||
[AC_DIAGNOSE([obsolete], [$0: Remove this warning and
|
||||
`AC_CHECK_HEADER(memory.h, AC_DEFINE(...))' when you ajust your code to
|
||||
use and HAVE_STRING_H and HAVE_MEMORY_H, not NEED_MEMORY_H.])dnl
|
||||
AC_CHECK_HEADER(memory.h,
|
||||
[AC_DEFINE([NEED_MEMORY_H], 1,
|
||||
[Same as `HAVE_MEMORY_H', don't depend on me.])])
|
||||
AC_CHECK_HEADERS(string.h memory.h)
|
||||
])
|
||||
|
||||
|
||||
# AU::AC_DIR_HEADER
|
||||
# -----------------
|
||||
# Like calling `AC_HEADER_DIRENT' and `AC_FUNC_CLOSEDIR_VOID', but
|
||||
# defines a different set of C preprocessor macros to indicate which
|
||||
# header file is found.
|
||||
AU_DEFUN([AC_DIR_HEADER],
|
||||
[AC_HEADER_DIRENT
|
||||
AC_FUNC_CLOSEDIR_VOID
|
||||
AC_DIAGNOSE([obsolete],
|
||||
[$0: Remove this warning and the four `AC_DEFINE' when you
|
||||
ajust your code to use `AC_HEADER_DIRENT'.])
|
||||
test ac_cv_header_dirent_dirent_h &&
|
||||
AC_DEFINE([DIRENT], 1, [Same as `HAVE_DIRENT_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_sys_ndir_h &&
|
||||
AC_DEFINE([SYSNDIR], 1, [Same as `HAVE_SYS_NDIR_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_sys_dir_h &&
|
||||
AC_DEFINE([SYSDIR], 1, [Same as `HAVE_SYS_DIR_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_ndir_h &&
|
||||
AC_DEFINE([NDIR], 1, [Same as `HAVE_NDIR_H', don't depend on me.])
|
||||
])
|
||||
345
acspecific.m4
345
acspecific.m4
@ -327,351 +327,6 @@ fi
|
||||
|
||||
|
||||
|
||||
## ------------------------- ##
|
||||
## Checks for header files. ##
|
||||
## ------------------------- ##
|
||||
|
||||
|
||||
# _AC_CHECK_HEADER_DIRENT(HEADER-FILE,
|
||||
# [ACTION-IF-FOUND], [ACTION-IF-NOT_FOUND])
|
||||
# -----------------------------------------------------------------
|
||||
# Like AC_CHECK_HEADER, except also make sure that HEADER-FILE
|
||||
# defines the type `DIR'. dirent.h on NextStep 3.2 doesn't.
|
||||
m4_define([_AC_CHECK_HEADER_DIRENT],
|
||||
[AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_dirent_$1])dnl
|
||||
AC_CACHE_CHECK([for $1 that defines DIR], ac_Header,
|
||||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <$1>
|
||||
],
|
||||
[DIR *dirp = 0;])],
|
||||
[AC_VAR_SET(ac_Header, yes)],
|
||||
[AC_VAR_SET(ac_Header, no)])])
|
||||
AS_IFELSE([test AC_VAR_GET(ac_Header) = yes],
|
||||
[$2], [$3])dnl
|
||||
AC_VAR_POPDEF([ac_Header])dnl
|
||||
])# _AC_CHECK_HEADER_DIRENT
|
||||
|
||||
|
||||
# AH_CHECK_HEADERS_DIRENT(HEADERS...)
|
||||
# -----------------------------------
|
||||
m4_define([AH_CHECK_HEADERS_DIRENT],
|
||||
[AC_FOREACH([AC_Header], [$1],
|
||||
[AH_TEMPLATE(AC_TR_CPP(HAVE_[]AC_Header),
|
||||
[Define if you have the <]AC_Header[> header file, and
|
||||
it defines `DIR'.])])])
|
||||
|
||||
|
||||
# AC_HEADER_DIRENT
|
||||
# ----------------
|
||||
AC_DEFUN([AC_HEADER_DIRENT],
|
||||
[AH_CHECK_HEADERS_DIRENT(dirent.h sys/ndir.h sys/dir.h ndir.h)
|
||||
ac_header_dirent=no
|
||||
for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
|
||||
_AC_CHECK_HEADER_DIRENT($ac_hdr,
|
||||
[AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_hdr), 1)
|
||||
ac_header_dirent=$ac_hdr; break])
|
||||
done
|
||||
# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
|
||||
if test $ac_header_dirent = dirent.h; then
|
||||
AC_CHECK_LIB(dir, opendir, LIBS="$LIBS -ldir")
|
||||
else
|
||||
AC_CHECK_LIB(x, opendir, LIBS="$LIBS -lx")
|
||||
fi
|
||||
])# AC_HEADER_DIRENT
|
||||
|
||||
|
||||
# AC_HEADER_MAJOR
|
||||
# ---------------
|
||||
AC_DEFUN([AC_HEADER_MAJOR],
|
||||
[AC_CACHE_CHECK(whether sys/types.h defines makedev,
|
||||
ac_cv_header_sys_types_h_makedev,
|
||||
[AC_TRY_LINK([#include <sys/types.h>
|
||||
], [return makedev(0, 0);],
|
||||
ac_cv_header_sys_types_h_makedev=yes, ac_cv_header_sys_types_h_makedev=no)
|
||||
])
|
||||
|
||||
if test $ac_cv_header_sys_types_h_makedev = no; then
|
||||
AC_CHECK_HEADER(sys/mkdev.h,
|
||||
[AC_DEFINE(MAJOR_IN_MKDEV, 1,
|
||||
[Define if `major', `minor', and `makedev' are
|
||||
declared in <mkdev.h>.])])
|
||||
|
||||
if test $ac_cv_header_sys_mkdev_h = no; then
|
||||
AC_CHECK_HEADER(sys/sysmacros.h,
|
||||
[AC_DEFINE(MAJOR_IN_SYSMACROS, 1,
|
||||
[Define if `major', `minor', and `makedev' are
|
||||
declared in <sysmacros.h>.])])
|
||||
fi
|
||||
fi
|
||||
])# AC_HEADER_MAJOR
|
||||
|
||||
|
||||
# AC_HEADER_STAT
|
||||
# --------------
|
||||
# FIXME: Shouldn't this be named AC_HEADER_SYS_STAT?
|
||||
AC_DEFUN([AC_HEADER_STAT],
|
||||
[AC_CACHE_CHECK(whether stat file-mode macros are broken,
|
||||
ac_cv_header_stat_broken,
|
||||
[AC_EGREP_CPP([You lose], [#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
#if defined(S_ISBLK) && defined(S_IFDIR)
|
||||
# if S_ISBLK (S_IFDIR)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(S_ISBLK) && defined(S_IFCHR)
|
||||
# if S_ISBLK (S_IFCHR)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(S_ISLNK) && defined(S_IFREG)
|
||||
# if S_ISLNK (S_IFREG)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(S_ISSOCK) && defined(S_IFREG)
|
||||
# if S_ISSOCK (S_IFREG)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
], ac_cv_header_stat_broken=yes, ac_cv_header_stat_broken=no)])
|
||||
if test $ac_cv_header_stat_broken = yes; then
|
||||
AC_DEFINE(STAT_MACROS_BROKEN, 1,
|
||||
[Define if the `S_IS*' macros in <sys/stat.h> do not
|
||||
work properly.])
|
||||
fi
|
||||
])# AC_HEADER_STAT
|
||||
|
||||
|
||||
# AC_HEADER_STDC
|
||||
# --------------
|
||||
AC_DEFUN([AC_HEADER_STDC],
|
||||
[AC_REQUIRE_CPP()dnl
|
||||
AC_CACHE_CHECK(for ANSI C header files, ac_cv_header_stdc,
|
||||
[AC_TRY_CPP([#include <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
#include <float.h>
|
||||
], ac_cv_header_stdc=yes, ac_cv_header_stdc=no)
|
||||
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
|
||||
AC_EGREP_HEADER(memchr, string.h, , ac_cv_header_stdc=no)
|
||||
fi
|
||||
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
|
||||
AC_EGREP_HEADER(free, stdlib.h, , ac_cv_header_stdc=no)
|
||||
fi
|
||||
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
# /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
|
||||
AC_TRY_RUN(
|
||||
[#include <ctype.h>
|
||||
#if ((' ' & 0x0FF) == 0x020)
|
||||
# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
|
||||
# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
|
||||
#else
|
||||
# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
|
||||
|| ('j' <= (c) && (c) <= 'r') \
|
||||
|| ('s' <= (c) && (c) <= 'z'))
|
||||
# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
|
||||
#endif
|
||||
|
||||
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
|
||||
int
|
||||
main ()
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < 256; i++)
|
||||
if (XOR (islower (i), ISLOWER (i))
|
||||
|| toupper (i) != TOUPPER (i))
|
||||
exit(2);
|
||||
exit (0);
|
||||
}], , ac_cv_header_stdc=no, :)
|
||||
fi])
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
AC_DEFINE(STDC_HEADERS, 1, [Define if you have the ANSI C header files.])
|
||||
fi
|
||||
])# AC_HEADER_STDC
|
||||
|
||||
|
||||
# AC_HEADER_SYS_WAIT
|
||||
# ------------------
|
||||
AC_DEFUN([AC_HEADER_SYS_WAIT],
|
||||
[AC_CACHE_CHECK([for sys/wait.h that is POSIX.1 compatible],
|
||||
ac_cv_header_sys_wait_h,
|
||||
[AC_COMPILE_IFELSE(
|
||||
[AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <sys/wait.h>
|
||||
#ifndef WEXITSTATUS
|
||||
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
|
||||
#endif
|
||||
#ifndef WIFEXITED
|
||||
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
|
||||
#endif
|
||||
],
|
||||
[ int s;
|
||||
wait (&s);
|
||||
s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;])],
|
||||
[ac_cv_header_sys_wait_h=yes],
|
||||
[ac_cv_header_sys_wait_h=no])])
|
||||
if test $ac_cv_header_sys_wait_h = yes; then
|
||||
AC_DEFINE(HAVE_SYS_WAIT_H, 1,
|
||||
[Define if you have <sys/wait.h> that is POSIX.1 compatible.])
|
||||
fi
|
||||
])# AC_HEADER_SYS_WAIT
|
||||
|
||||
|
||||
# AC_HEADER_TIME
|
||||
# --------------
|
||||
AC_DEFUN([AC_HEADER_TIME],
|
||||
[AC_CACHE_CHECK([whether time.h and sys/time.h may both be included],
|
||||
ac_cv_header_time,
|
||||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <sys/time.h>
|
||||
#include <time.h>
|
||||
],
|
||||
[struct tm *tp;])],
|
||||
[ac_cv_header_time=yes],
|
||||
[ac_cv_header_time=no])])
|
||||
if test $ac_cv_header_time = yes; then
|
||||
AC_DEFINE(TIME_WITH_SYS_TIME, 1,
|
||||
[Define if you can safely include both <sys/time.h> and <time.h>.])
|
||||
fi
|
||||
])# AC_HEADER_TIME
|
||||
|
||||
|
||||
# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
# ----------------------------------
|
||||
m4_define([_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
|
||||
[AC_CACHE_CHECK([whether termios.h defines TIOCGWINSZ],
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h,
|
||||
[AC_EGREP_CPP([yes],
|
||||
[#include <sys/types.h>
|
||||
#include <termios.h>
|
||||
#ifdef TIOCGWINSZ
|
||||
yes
|
||||
#endif
|
||||
],
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h=yes,
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h=no)])
|
||||
])# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
|
||||
|
||||
# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
# ----------------------------------
|
||||
m4_define([_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL],
|
||||
[AC_CACHE_CHECK([whether sys/ioctl.h defines TIOCGWINSZ],
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h,
|
||||
[AC_EGREP_CPP([yes],
|
||||
[#include <sys/types.h>
|
||||
#include <sys/ioctl.h>
|
||||
#ifdef TIOCGWINSZ
|
||||
yes
|
||||
#endif
|
||||
],
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=yes,
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=no)])
|
||||
])# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
|
||||
|
||||
# AC_HEADER_TIOCGWINSZ
|
||||
# --------------------
|
||||
# Look for a header that defines TIOCGWINSZ.
|
||||
# FIXME: Is this the proper name? Is this the proper implementation?
|
||||
# I need more help.
|
||||
AC_DEFUN([AC_HEADER_TIOCGWINSZ],
|
||||
[AC_REQUIRE([AC_SYS_POSIX_TERMIOS])dnl
|
||||
if test $ac_cv_sys_posix_termios = yes; then
|
||||
_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
fi
|
||||
if test $ac_cv_sys_tiocgwinsz_in_termios_h != yes; then
|
||||
_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
if test $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h = yes; then
|
||||
AC_DEFINE(GWINSZ_IN_SYS_IOCTL,1,
|
||||
[Define if `TIOCGWINSZ' requires <sys/ioctl.h>])
|
||||
fi
|
||||
fi
|
||||
])# AC_HEADER_TIOCGWINSZ
|
||||
|
||||
|
||||
# AU::AC_UNISTD_H
|
||||
# ---------------
|
||||
AU_DEFUN([AC_UNISTD_H],
|
||||
[AC_CHECK_HEADERS(unistd.h)])
|
||||
|
||||
|
||||
# AU::AC_USG
|
||||
# ----------
|
||||
# Define `USG' if string functions are in strings.h.
|
||||
AU_DEFUN([AC_USG],
|
||||
[AC_DIAGNOSE([obsolete], [$0: Remove `AC_MSG_CHECKING', `AC_TRY_LINK' and this `AC_WARNING'
|
||||
when you ajust your code to use HAVE_STRING_H.])dnl
|
||||
AC_MSG_CHECKING([for BSD string and memory functions])
|
||||
AC_TRY_LINK([@%:@include <strings.h>], [rindex(0, 0); bzero(0, 0);],
|
||||
[AC_MSG_RESULT([yes])],
|
||||
[AC_MSG_RESULT([no])
|
||||
AC_DEFINE(USG, 1,
|
||||
[Define if you do not have <strings.h>, index, bzero, etc...
|
||||
This symbol is obsolete, you should not depend upon it.])])
|
||||
AC_CHECK_HEADERS(string.h)])
|
||||
|
||||
|
||||
# AU::AC_MEMORY_H
|
||||
# ---------------
|
||||
# To be precise this macro used to be:
|
||||
#
|
||||
# | AC_MSG_CHECKING(whether string.h declares mem functions)
|
||||
# | AC_EGREP_HEADER(memchr, string.h, ac_found=yes, ac_found=no)
|
||||
# | AC_MSG_RESULT($ac_found)
|
||||
# | if test $ac_found = no; then
|
||||
# | AC_CHECK_HEADER(memory.h, [AC_DEFINE(NEED_MEMORY_H)])
|
||||
# | fi
|
||||
#
|
||||
# But it is better to check for both headers, and alias NEED_MEMORY_H to
|
||||
# HAVE_MEMORY_H.
|
||||
AU_DEFUN([AC_MEMORY_H],
|
||||
[AC_DIAGNOSE([obsolete], [$0: Remove this warning and
|
||||
`AC_CHECK_HEADER(memory.h, AC_DEFINE(...))' when you ajust your code to
|
||||
use and HAVE_STRING_H and HAVE_MEMORY_H, not NEED_MEMORY_H.])dnl
|
||||
AC_CHECK_HEADER(memory.h,
|
||||
[AC_DEFINE([NEED_MEMORY_H], 1,
|
||||
[Same as `HAVE_MEMORY_H', don't depend on me.])])
|
||||
AC_CHECK_HEADERS(string.h memory.h)
|
||||
])
|
||||
|
||||
|
||||
# AU::AC_DIR_HEADER
|
||||
# -----------------
|
||||
# Like calling `AC_HEADER_DIRENT' and `AC_FUNC_CLOSEDIR_VOID', but
|
||||
# defines a different set of C preprocessor macros to indicate which
|
||||
# header file is found.
|
||||
AU_DEFUN([AC_DIR_HEADER],
|
||||
[AC_HEADER_DIRENT
|
||||
AC_FUNC_CLOSEDIR_VOID
|
||||
AC_DIAGNOSE([obsolete],
|
||||
[$0: Remove this warning and the four `AC_DEFINE' when you
|
||||
ajust your code to use `AC_HEADER_DIRENT'.])
|
||||
test ac_cv_header_dirent_dirent_h &&
|
||||
AC_DEFINE([DIRENT], 1, [Same as `HAVE_DIRENT_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_sys_ndir_h &&
|
||||
AC_DEFINE([SYSNDIR], 1, [Same as `HAVE_SYS_NDIR_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_sys_dir_h &&
|
||||
AC_DEFINE([SYSDIR], 1, [Same as `HAVE_SYS_DIR_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_ndir_h &&
|
||||
AC_DEFINE([NDIR], 1, [Same as `HAVE_NDIR_H', don't depend on me.])
|
||||
])
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
## --------------------- ##
|
||||
## Checks for typedefs. ##
|
||||
## --------------------- ##
|
||||
|
||||
@ -30,6 +30,7 @@ m4_include([acversion.m4])
|
||||
m4_include([acgeneral.m4])
|
||||
m4_include([aclang.m4])
|
||||
m4_include([acfunctions.m4])
|
||||
m4_include([acheaders.m4])
|
||||
m4_include([acspecific.m4])
|
||||
m4_include([acoldnames.m4])
|
||||
|
||||
|
||||
@ -30,6 +30,7 @@ m4_include([acversion.m4])
|
||||
m4_include([acgeneral.m4])
|
||||
m4_include([aclang.m4])
|
||||
m4_include([acfunctions.m4])
|
||||
m4_include([acheaders.m4])
|
||||
m4_include([acspecific.m4])
|
||||
m4_include([acoldnames.m4])
|
||||
|
||||
|
||||
@ -2993,45 +2993,6 @@ fi
|
||||
|
||||
|
||||
|
||||
## --------------------------- ##
|
||||
## Checking for header files. ##
|
||||
## --------------------------- ##
|
||||
|
||||
|
||||
# AC_CHECK_HEADER(HEADER-FILE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
|
||||
# ----------------------------------------------------------------------
|
||||
AC_DEFUN([AC_CHECK_HEADER],
|
||||
[AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_$1])dnl
|
||||
AC_ARG_VAR([CPPFLAGS], [C/C++ preprocessor flags, e.g. -I<include dir> if you have headers in a nonstandard directory <include dir>])
|
||||
AC_CACHE_CHECK([for $1], ac_Header,
|
||||
[AC_TRY_CPP([#include <$1>
|
||||
],
|
||||
AC_VAR_SET(ac_Header, yes), AC_VAR_SET(ac_Header, no))])
|
||||
AS_IFELSE([test AC_VAR_GET(ac_Header) = yes],
|
||||
[$2], [$3])dnl
|
||||
AC_VAR_POPDEF([ac_Header])dnl
|
||||
])# AC_CHECK_HEADER
|
||||
|
||||
|
||||
m4_define([AH_CHECK_HEADERS],
|
||||
[AC_FOREACH([AC_Header], [$1],
|
||||
[AH_TEMPLATE(AC_TR_CPP(HAVE_[]AC_Header),
|
||||
[Define if you have the <]AC_Header[> header file.])])])
|
||||
|
||||
# AC_CHECK_HEADERS(HEADER-FILE...
|
||||
# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
|
||||
# ----------------------------------------------------------
|
||||
AC_DEFUN([AC_CHECK_HEADERS],
|
||||
[AH_CHECK_HEADERS([$1])dnl
|
||||
for ac_header in $1
|
||||
do
|
||||
AC_CHECK_HEADER($ac_header,
|
||||
[AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_header)) $2],
|
||||
[$3])dnl
|
||||
done
|
||||
])
|
||||
|
||||
|
||||
## ------------------------------------- ##
|
||||
## Checking for the existence of files. ##
|
||||
## ------------------------------------- ##
|
||||
|
||||
442
lib/autoconf/headers.m4
Normal file
442
lib/autoconf/headers.m4
Normal file
@ -0,0 +1,442 @@
|
||||
# This file is part of Autoconf. -*- Autoconf -*-
|
||||
# Checking for headers.
|
||||
# Copyright 2000
|
||||
# Free Software Foundation, Inc.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 2, or (at your option)
|
||||
# any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||||
# 02111-1307, USA.
|
||||
#
|
||||
# As a special exception, the Free Software Foundation gives unlimited
|
||||
# permission to copy, distribute and modify the configure scripts that
|
||||
# are the output of Autoconf. You need not follow the terms of the GNU
|
||||
# General Public License when using or distributing such scripts, even
|
||||
# though portions of the text of Autoconf appear in them. The GNU
|
||||
# General Public License (GPL) does govern all other use of the material
|
||||
# that constitutes the Autoconf program.
|
||||
#
|
||||
# Certain portions of the Autoconf source text are designed to be copied
|
||||
# (in certain cases, depending on the input) into the output of
|
||||
# Autoconf. We call these the "data" portions. The rest of the Autoconf
|
||||
# source text consists of comments plus executable code that decides which
|
||||
# of the data portions to output in any given case. We call these
|
||||
# comments and executable code the "non-data" portions. Autoconf never
|
||||
# copies any of the non-data portions into its output.
|
||||
#
|
||||
# This special exception to the GPL applies to versions of Autoconf
|
||||
# released by the Free Software Foundation. When you make and
|
||||
# distribute a modified version of Autoconf, you may extend this special
|
||||
# exception to the GPL to apply to your modified version as well, *unless*
|
||||
# your modified version has the potential to copy into its output some
|
||||
# of the text that was the non-data portion of the version that you started
|
||||
# with. (In other words, unless your change moves or copies text from
|
||||
# the non-data portions to the data portions.) If your modification has
|
||||
# such potential, you must delete any notice of this special exception
|
||||
# to the GPL from your modified version.
|
||||
#
|
||||
# Written by David MacKenzie, with help from
|
||||
# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
|
||||
# Roland McGrath, Noah Friedman, david d zuhn, and many others.
|
||||
|
||||
|
||||
# Table of contents
|
||||
#
|
||||
# 1. Generic tests for headers
|
||||
# 2. Tests for specific headers
|
||||
|
||||
|
||||
## ------------------------------ ##
|
||||
## 1. Generic tests for headers. ##
|
||||
## ------------------------------ ##
|
||||
|
||||
# AC_CHECK_HEADER(HEADER-FILE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
|
||||
# ----------------------------------------------------------------------
|
||||
AC_DEFUN([AC_CHECK_HEADER],
|
||||
[AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_$1])dnl
|
||||
AC_ARG_VAR([CPPFLAGS], [C/C++ preprocessor flags, e.g. -I<include dir> if you have headers in a nonstandard directory <include dir>])
|
||||
AC_CACHE_CHECK([for $1], ac_Header,
|
||||
[AC_TRY_CPP([#include <$1>
|
||||
],
|
||||
AC_VAR_SET(ac_Header, yes), AC_VAR_SET(ac_Header, no))])
|
||||
AS_IFELSE([test AC_VAR_GET(ac_Header) = yes],
|
||||
[$2], [$3])dnl
|
||||
AC_VAR_POPDEF([ac_Header])dnl
|
||||
])# AC_CHECK_HEADER
|
||||
|
||||
|
||||
# AH_CHECK_HEADERS(HEADER-FILE...)
|
||||
# --------------------------------
|
||||
m4_define([AH_CHECK_HEADERS],
|
||||
[AC_FOREACH([AC_Header], [$1],
|
||||
[AH_TEMPLATE(AC_TR_CPP(HAVE_[]AC_Header),
|
||||
[Define if you have the <]AC_Header[> header file.])])])
|
||||
|
||||
|
||||
# AC_CHECK_HEADERS(HEADER-FILE...
|
||||
# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
|
||||
# ----------------------------------------------------------
|
||||
AC_DEFUN([AC_CHECK_HEADERS],
|
||||
[AH_CHECK_HEADERS([$1])dnl
|
||||
for ac_header in $1
|
||||
do
|
||||
AC_CHECK_HEADER($ac_header,
|
||||
[AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_header)) $2],
|
||||
[$3])dnl
|
||||
done
|
||||
])
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
## ------------------------------- ##
|
||||
## 2. Tests for specific headers. ##
|
||||
## ------------------------------- ##
|
||||
|
||||
|
||||
# _AC_CHECK_HEADER_DIRENT(HEADER-FILE,
|
||||
# [ACTION-IF-FOUND], [ACTION-IF-NOT_FOUND])
|
||||
# -----------------------------------------------------------------
|
||||
# Like AC_CHECK_HEADER, except also make sure that HEADER-FILE
|
||||
# defines the type `DIR'. dirent.h on NextStep 3.2 doesn't.
|
||||
m4_define([_AC_CHECK_HEADER_DIRENT],
|
||||
[AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_dirent_$1])dnl
|
||||
AC_CACHE_CHECK([for $1 that defines DIR], ac_Header,
|
||||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <$1>
|
||||
],
|
||||
[DIR *dirp = 0;])],
|
||||
[AC_VAR_SET(ac_Header, yes)],
|
||||
[AC_VAR_SET(ac_Header, no)])])
|
||||
AS_IFELSE([test AC_VAR_GET(ac_Header) = yes],
|
||||
[$2], [$3])dnl
|
||||
AC_VAR_POPDEF([ac_Header])dnl
|
||||
])# _AC_CHECK_HEADER_DIRENT
|
||||
|
||||
|
||||
# AH_CHECK_HEADERS_DIRENT(HEADERS...)
|
||||
# -----------------------------------
|
||||
m4_define([AH_CHECK_HEADERS_DIRENT],
|
||||
[AC_FOREACH([AC_Header], [$1],
|
||||
[AH_TEMPLATE(AC_TR_CPP(HAVE_[]AC_Header),
|
||||
[Define if you have the <]AC_Header[> header file, and
|
||||
it defines `DIR'.])])])
|
||||
|
||||
|
||||
# AC_HEADER_DIRENT
|
||||
# ----------------
|
||||
AC_DEFUN([AC_HEADER_DIRENT],
|
||||
[AH_CHECK_HEADERS_DIRENT(dirent.h sys/ndir.h sys/dir.h ndir.h)
|
||||
ac_header_dirent=no
|
||||
for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
|
||||
_AC_CHECK_HEADER_DIRENT($ac_hdr,
|
||||
[AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_hdr), 1)
|
||||
ac_header_dirent=$ac_hdr; break])
|
||||
done
|
||||
# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
|
||||
if test $ac_header_dirent = dirent.h; then
|
||||
AC_CHECK_LIB(dir, opendir, LIBS="$LIBS -ldir")
|
||||
else
|
||||
AC_CHECK_LIB(x, opendir, LIBS="$LIBS -lx")
|
||||
fi
|
||||
])# AC_HEADER_DIRENT
|
||||
|
||||
|
||||
# AC_HEADER_MAJOR
|
||||
# ---------------
|
||||
AC_DEFUN([AC_HEADER_MAJOR],
|
||||
[AC_CACHE_CHECK(whether sys/types.h defines makedev,
|
||||
ac_cv_header_sys_types_h_makedev,
|
||||
[AC_TRY_LINK([#include <sys/types.h>
|
||||
], [return makedev(0, 0);],
|
||||
ac_cv_header_sys_types_h_makedev=yes, ac_cv_header_sys_types_h_makedev=no)
|
||||
])
|
||||
|
||||
if test $ac_cv_header_sys_types_h_makedev = no; then
|
||||
AC_CHECK_HEADER(sys/mkdev.h,
|
||||
[AC_DEFINE(MAJOR_IN_MKDEV, 1,
|
||||
[Define if `major', `minor', and `makedev' are
|
||||
declared in <mkdev.h>.])])
|
||||
|
||||
if test $ac_cv_header_sys_mkdev_h = no; then
|
||||
AC_CHECK_HEADER(sys/sysmacros.h,
|
||||
[AC_DEFINE(MAJOR_IN_SYSMACROS, 1,
|
||||
[Define if `major', `minor', and `makedev' are
|
||||
declared in <sysmacros.h>.])])
|
||||
fi
|
||||
fi
|
||||
])# AC_HEADER_MAJOR
|
||||
|
||||
|
||||
# AC_HEADER_STAT
|
||||
# --------------
|
||||
# FIXME: Shouldn't this be named AC_HEADER_SYS_STAT?
|
||||
AC_DEFUN([AC_HEADER_STAT],
|
||||
[AC_CACHE_CHECK(whether stat file-mode macros are broken,
|
||||
ac_cv_header_stat_broken,
|
||||
[AC_EGREP_CPP([You lose], [#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
#if defined(S_ISBLK) && defined(S_IFDIR)
|
||||
# if S_ISBLK (S_IFDIR)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(S_ISBLK) && defined(S_IFCHR)
|
||||
# if S_ISBLK (S_IFCHR)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(S_ISLNK) && defined(S_IFREG)
|
||||
# if S_ISLNK (S_IFREG)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(S_ISSOCK) && defined(S_IFREG)
|
||||
# if S_ISSOCK (S_IFREG)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
], ac_cv_header_stat_broken=yes, ac_cv_header_stat_broken=no)])
|
||||
if test $ac_cv_header_stat_broken = yes; then
|
||||
AC_DEFINE(STAT_MACROS_BROKEN, 1,
|
||||
[Define if the `S_IS*' macros in <sys/stat.h> do not
|
||||
work properly.])
|
||||
fi
|
||||
])# AC_HEADER_STAT
|
||||
|
||||
|
||||
# AC_HEADER_STDC
|
||||
# --------------
|
||||
AC_DEFUN([AC_HEADER_STDC],
|
||||
[AC_REQUIRE_CPP()dnl
|
||||
AC_CACHE_CHECK(for ANSI C header files, ac_cv_header_stdc,
|
||||
[AC_TRY_CPP([#include <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
#include <float.h>
|
||||
], ac_cv_header_stdc=yes, ac_cv_header_stdc=no)
|
||||
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
|
||||
AC_EGREP_HEADER(memchr, string.h, , ac_cv_header_stdc=no)
|
||||
fi
|
||||
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
|
||||
AC_EGREP_HEADER(free, stdlib.h, , ac_cv_header_stdc=no)
|
||||
fi
|
||||
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
# /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
|
||||
AC_TRY_RUN(
|
||||
[#include <ctype.h>
|
||||
#if ((' ' & 0x0FF) == 0x020)
|
||||
# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
|
||||
# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
|
||||
#else
|
||||
# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
|
||||
|| ('j' <= (c) && (c) <= 'r') \
|
||||
|| ('s' <= (c) && (c) <= 'z'))
|
||||
# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
|
||||
#endif
|
||||
|
||||
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
|
||||
int
|
||||
main ()
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < 256; i++)
|
||||
if (XOR (islower (i), ISLOWER (i))
|
||||
|| toupper (i) != TOUPPER (i))
|
||||
exit(2);
|
||||
exit (0);
|
||||
}], , ac_cv_header_stdc=no, :)
|
||||
fi])
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
AC_DEFINE(STDC_HEADERS, 1, [Define if you have the ANSI C header files.])
|
||||
fi
|
||||
])# AC_HEADER_STDC
|
||||
|
||||
|
||||
# AC_HEADER_SYS_WAIT
|
||||
# ------------------
|
||||
AC_DEFUN([AC_HEADER_SYS_WAIT],
|
||||
[AC_CACHE_CHECK([for sys/wait.h that is POSIX.1 compatible],
|
||||
ac_cv_header_sys_wait_h,
|
||||
[AC_COMPILE_IFELSE(
|
||||
[AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <sys/wait.h>
|
||||
#ifndef WEXITSTATUS
|
||||
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
|
||||
#endif
|
||||
#ifndef WIFEXITED
|
||||
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
|
||||
#endif
|
||||
],
|
||||
[ int s;
|
||||
wait (&s);
|
||||
s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;])],
|
||||
[ac_cv_header_sys_wait_h=yes],
|
||||
[ac_cv_header_sys_wait_h=no])])
|
||||
if test $ac_cv_header_sys_wait_h = yes; then
|
||||
AC_DEFINE(HAVE_SYS_WAIT_H, 1,
|
||||
[Define if you have <sys/wait.h> that is POSIX.1 compatible.])
|
||||
fi
|
||||
])# AC_HEADER_SYS_WAIT
|
||||
|
||||
|
||||
# AC_HEADER_TIME
|
||||
# --------------
|
||||
AC_DEFUN([AC_HEADER_TIME],
|
||||
[AC_CACHE_CHECK([whether time.h and sys/time.h may both be included],
|
||||
ac_cv_header_time,
|
||||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <sys/time.h>
|
||||
#include <time.h>
|
||||
],
|
||||
[struct tm *tp;])],
|
||||
[ac_cv_header_time=yes],
|
||||
[ac_cv_header_time=no])])
|
||||
if test $ac_cv_header_time = yes; then
|
||||
AC_DEFINE(TIME_WITH_SYS_TIME, 1,
|
||||
[Define if you can safely include both <sys/time.h> and <time.h>.])
|
||||
fi
|
||||
])# AC_HEADER_TIME
|
||||
|
||||
|
||||
# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
# ----------------------------------
|
||||
m4_define([_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
|
||||
[AC_CACHE_CHECK([whether termios.h defines TIOCGWINSZ],
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h,
|
||||
[AC_EGREP_CPP([yes],
|
||||
[#include <sys/types.h>
|
||||
#include <termios.h>
|
||||
#ifdef TIOCGWINSZ
|
||||
yes
|
||||
#endif
|
||||
],
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h=yes,
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h=no)])
|
||||
])# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
|
||||
|
||||
# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
# ----------------------------------
|
||||
m4_define([_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL],
|
||||
[AC_CACHE_CHECK([whether sys/ioctl.h defines TIOCGWINSZ],
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h,
|
||||
[AC_EGREP_CPP([yes],
|
||||
[#include <sys/types.h>
|
||||
#include <sys/ioctl.h>
|
||||
#ifdef TIOCGWINSZ
|
||||
yes
|
||||
#endif
|
||||
],
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=yes,
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=no)])
|
||||
])# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
|
||||
|
||||
# AC_HEADER_TIOCGWINSZ
|
||||
# --------------------
|
||||
# Look for a header that defines TIOCGWINSZ.
|
||||
# FIXME: Is this the proper name? Is this the proper implementation?
|
||||
# I need more help.
|
||||
AC_DEFUN([AC_HEADER_TIOCGWINSZ],
|
||||
[AC_REQUIRE([AC_SYS_POSIX_TERMIOS])dnl
|
||||
if test $ac_cv_sys_posix_termios = yes; then
|
||||
_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
fi
|
||||
if test $ac_cv_sys_tiocgwinsz_in_termios_h != yes; then
|
||||
_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
if test $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h = yes; then
|
||||
AC_DEFINE(GWINSZ_IN_SYS_IOCTL,1,
|
||||
[Define if `TIOCGWINSZ' requires <sys/ioctl.h>])
|
||||
fi
|
||||
fi
|
||||
])# AC_HEADER_TIOCGWINSZ
|
||||
|
||||
|
||||
# AU::AC_UNISTD_H
|
||||
# ---------------
|
||||
AU_DEFUN([AC_UNISTD_H],
|
||||
[AC_CHECK_HEADERS(unistd.h)])
|
||||
|
||||
|
||||
# AU::AC_USG
|
||||
# ----------
|
||||
# Define `USG' if string functions are in strings.h.
|
||||
AU_DEFUN([AC_USG],
|
||||
[AC_DIAGNOSE([obsolete],
|
||||
[$0: Remove `AC_MSG_CHECKING', `AC_TRY_LINK' and this `AC_WARNING'
|
||||
when you ajust your code to use HAVE_STRING_H.])dnl
|
||||
AC_MSG_CHECKING([for BSD string and memory functions])
|
||||
AC_TRY_LINK([@%:@include <strings.h>], [rindex(0, 0); bzero(0, 0);],
|
||||
[AC_MSG_RESULT(yes)],
|
||||
[AC_MSG_RESULT(no)
|
||||
AC_DEFINE(USG, 1,
|
||||
[Define if you do not have <strings.h>, index, bzero, etc...
|
||||
This symbol is obsolete, you should not depend upon it.])])
|
||||
AC_CHECK_HEADERS(string.h)])
|
||||
|
||||
|
||||
# AU::AC_MEMORY_H
|
||||
# ---------------
|
||||
# To be precise this macro used to be:
|
||||
#
|
||||
# | AC_MSG_CHECKING(whether string.h declares mem functions)
|
||||
# | AC_EGREP_HEADER(memchr, string.h, ac_found=yes, ac_found=no)
|
||||
# | AC_MSG_RESULT($ac_found)
|
||||
# | if test $ac_found = no; then
|
||||
# | AC_CHECK_HEADER(memory.h, [AC_DEFINE(NEED_MEMORY_H)])
|
||||
# | fi
|
||||
#
|
||||
# But it is better to check for both headers, and alias NEED_MEMORY_H to
|
||||
# HAVE_MEMORY_H.
|
||||
AU_DEFUN([AC_MEMORY_H],
|
||||
[AC_DIAGNOSE([obsolete], [$0: Remove this warning and
|
||||
`AC_CHECK_HEADER(memory.h, AC_DEFINE(...))' when you ajust your code to
|
||||
use and HAVE_STRING_H and HAVE_MEMORY_H, not NEED_MEMORY_H.])dnl
|
||||
AC_CHECK_HEADER(memory.h,
|
||||
[AC_DEFINE([NEED_MEMORY_H], 1,
|
||||
[Same as `HAVE_MEMORY_H', don't depend on me.])])
|
||||
AC_CHECK_HEADERS(string.h memory.h)
|
||||
])
|
||||
|
||||
|
||||
# AU::AC_DIR_HEADER
|
||||
# -----------------
|
||||
# Like calling `AC_HEADER_DIRENT' and `AC_FUNC_CLOSEDIR_VOID', but
|
||||
# defines a different set of C preprocessor macros to indicate which
|
||||
# header file is found.
|
||||
AU_DEFUN([AC_DIR_HEADER],
|
||||
[AC_HEADER_DIRENT
|
||||
AC_FUNC_CLOSEDIR_VOID
|
||||
AC_DIAGNOSE([obsolete],
|
||||
[$0: Remove this warning and the four `AC_DEFINE' when you
|
||||
ajust your code to use `AC_HEADER_DIRENT'.])
|
||||
test ac_cv_header_dirent_dirent_h &&
|
||||
AC_DEFINE([DIRENT], 1, [Same as `HAVE_DIRENT_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_sys_ndir_h &&
|
||||
AC_DEFINE([SYSNDIR], 1, [Same as `HAVE_SYS_NDIR_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_sys_dir_h &&
|
||||
AC_DEFINE([SYSDIR], 1, [Same as `HAVE_SYS_DIR_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_ndir_h &&
|
||||
AC_DEFINE([NDIR], 1, [Same as `HAVE_NDIR_H', don't depend on me.])
|
||||
])
|
||||
@ -327,351 +327,6 @@ fi
|
||||
|
||||
|
||||
|
||||
## ------------------------- ##
|
||||
## Checks for header files. ##
|
||||
## ------------------------- ##
|
||||
|
||||
|
||||
# _AC_CHECK_HEADER_DIRENT(HEADER-FILE,
|
||||
# [ACTION-IF-FOUND], [ACTION-IF-NOT_FOUND])
|
||||
# -----------------------------------------------------------------
|
||||
# Like AC_CHECK_HEADER, except also make sure that HEADER-FILE
|
||||
# defines the type `DIR'. dirent.h on NextStep 3.2 doesn't.
|
||||
m4_define([_AC_CHECK_HEADER_DIRENT],
|
||||
[AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_dirent_$1])dnl
|
||||
AC_CACHE_CHECK([for $1 that defines DIR], ac_Header,
|
||||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <$1>
|
||||
],
|
||||
[DIR *dirp = 0;])],
|
||||
[AC_VAR_SET(ac_Header, yes)],
|
||||
[AC_VAR_SET(ac_Header, no)])])
|
||||
AS_IFELSE([test AC_VAR_GET(ac_Header) = yes],
|
||||
[$2], [$3])dnl
|
||||
AC_VAR_POPDEF([ac_Header])dnl
|
||||
])# _AC_CHECK_HEADER_DIRENT
|
||||
|
||||
|
||||
# AH_CHECK_HEADERS_DIRENT(HEADERS...)
|
||||
# -----------------------------------
|
||||
m4_define([AH_CHECK_HEADERS_DIRENT],
|
||||
[AC_FOREACH([AC_Header], [$1],
|
||||
[AH_TEMPLATE(AC_TR_CPP(HAVE_[]AC_Header),
|
||||
[Define if you have the <]AC_Header[> header file, and
|
||||
it defines `DIR'.])])])
|
||||
|
||||
|
||||
# AC_HEADER_DIRENT
|
||||
# ----------------
|
||||
AC_DEFUN([AC_HEADER_DIRENT],
|
||||
[AH_CHECK_HEADERS_DIRENT(dirent.h sys/ndir.h sys/dir.h ndir.h)
|
||||
ac_header_dirent=no
|
||||
for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
|
||||
_AC_CHECK_HEADER_DIRENT($ac_hdr,
|
||||
[AC_DEFINE_UNQUOTED(AC_TR_CPP(HAVE_$ac_hdr), 1)
|
||||
ac_header_dirent=$ac_hdr; break])
|
||||
done
|
||||
# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
|
||||
if test $ac_header_dirent = dirent.h; then
|
||||
AC_CHECK_LIB(dir, opendir, LIBS="$LIBS -ldir")
|
||||
else
|
||||
AC_CHECK_LIB(x, opendir, LIBS="$LIBS -lx")
|
||||
fi
|
||||
])# AC_HEADER_DIRENT
|
||||
|
||||
|
||||
# AC_HEADER_MAJOR
|
||||
# ---------------
|
||||
AC_DEFUN([AC_HEADER_MAJOR],
|
||||
[AC_CACHE_CHECK(whether sys/types.h defines makedev,
|
||||
ac_cv_header_sys_types_h_makedev,
|
||||
[AC_TRY_LINK([#include <sys/types.h>
|
||||
], [return makedev(0, 0);],
|
||||
ac_cv_header_sys_types_h_makedev=yes, ac_cv_header_sys_types_h_makedev=no)
|
||||
])
|
||||
|
||||
if test $ac_cv_header_sys_types_h_makedev = no; then
|
||||
AC_CHECK_HEADER(sys/mkdev.h,
|
||||
[AC_DEFINE(MAJOR_IN_MKDEV, 1,
|
||||
[Define if `major', `minor', and `makedev' are
|
||||
declared in <mkdev.h>.])])
|
||||
|
||||
if test $ac_cv_header_sys_mkdev_h = no; then
|
||||
AC_CHECK_HEADER(sys/sysmacros.h,
|
||||
[AC_DEFINE(MAJOR_IN_SYSMACROS, 1,
|
||||
[Define if `major', `minor', and `makedev' are
|
||||
declared in <sysmacros.h>.])])
|
||||
fi
|
||||
fi
|
||||
])# AC_HEADER_MAJOR
|
||||
|
||||
|
||||
# AC_HEADER_STAT
|
||||
# --------------
|
||||
# FIXME: Shouldn't this be named AC_HEADER_SYS_STAT?
|
||||
AC_DEFUN([AC_HEADER_STAT],
|
||||
[AC_CACHE_CHECK(whether stat file-mode macros are broken,
|
||||
ac_cv_header_stat_broken,
|
||||
[AC_EGREP_CPP([You lose], [#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
#if defined(S_ISBLK) && defined(S_IFDIR)
|
||||
# if S_ISBLK (S_IFDIR)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(S_ISBLK) && defined(S_IFCHR)
|
||||
# if S_ISBLK (S_IFCHR)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(S_ISLNK) && defined(S_IFREG)
|
||||
# if S_ISLNK (S_IFREG)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(S_ISSOCK) && defined(S_IFREG)
|
||||
# if S_ISSOCK (S_IFREG)
|
||||
You lose.
|
||||
# endif
|
||||
#endif
|
||||
], ac_cv_header_stat_broken=yes, ac_cv_header_stat_broken=no)])
|
||||
if test $ac_cv_header_stat_broken = yes; then
|
||||
AC_DEFINE(STAT_MACROS_BROKEN, 1,
|
||||
[Define if the `S_IS*' macros in <sys/stat.h> do not
|
||||
work properly.])
|
||||
fi
|
||||
])# AC_HEADER_STAT
|
||||
|
||||
|
||||
# AC_HEADER_STDC
|
||||
# --------------
|
||||
AC_DEFUN([AC_HEADER_STDC],
|
||||
[AC_REQUIRE_CPP()dnl
|
||||
AC_CACHE_CHECK(for ANSI C header files, ac_cv_header_stdc,
|
||||
[AC_TRY_CPP([#include <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
#include <float.h>
|
||||
], ac_cv_header_stdc=yes, ac_cv_header_stdc=no)
|
||||
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
|
||||
AC_EGREP_HEADER(memchr, string.h, , ac_cv_header_stdc=no)
|
||||
fi
|
||||
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
|
||||
AC_EGREP_HEADER(free, stdlib.h, , ac_cv_header_stdc=no)
|
||||
fi
|
||||
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
# /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
|
||||
AC_TRY_RUN(
|
||||
[#include <ctype.h>
|
||||
#if ((' ' & 0x0FF) == 0x020)
|
||||
# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
|
||||
# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
|
||||
#else
|
||||
# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
|
||||
|| ('j' <= (c) && (c) <= 'r') \
|
||||
|| ('s' <= (c) && (c) <= 'z'))
|
||||
# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
|
||||
#endif
|
||||
|
||||
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
|
||||
int
|
||||
main ()
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < 256; i++)
|
||||
if (XOR (islower (i), ISLOWER (i))
|
||||
|| toupper (i) != TOUPPER (i))
|
||||
exit(2);
|
||||
exit (0);
|
||||
}], , ac_cv_header_stdc=no, :)
|
||||
fi])
|
||||
if test $ac_cv_header_stdc = yes; then
|
||||
AC_DEFINE(STDC_HEADERS, 1, [Define if you have the ANSI C header files.])
|
||||
fi
|
||||
])# AC_HEADER_STDC
|
||||
|
||||
|
||||
# AC_HEADER_SYS_WAIT
|
||||
# ------------------
|
||||
AC_DEFUN([AC_HEADER_SYS_WAIT],
|
||||
[AC_CACHE_CHECK([for sys/wait.h that is POSIX.1 compatible],
|
||||
ac_cv_header_sys_wait_h,
|
||||
[AC_COMPILE_IFELSE(
|
||||
[AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <sys/wait.h>
|
||||
#ifndef WEXITSTATUS
|
||||
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
|
||||
#endif
|
||||
#ifndef WIFEXITED
|
||||
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
|
||||
#endif
|
||||
],
|
||||
[ int s;
|
||||
wait (&s);
|
||||
s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;])],
|
||||
[ac_cv_header_sys_wait_h=yes],
|
||||
[ac_cv_header_sys_wait_h=no])])
|
||||
if test $ac_cv_header_sys_wait_h = yes; then
|
||||
AC_DEFINE(HAVE_SYS_WAIT_H, 1,
|
||||
[Define if you have <sys/wait.h> that is POSIX.1 compatible.])
|
||||
fi
|
||||
])# AC_HEADER_SYS_WAIT
|
||||
|
||||
|
||||
# AC_HEADER_TIME
|
||||
# --------------
|
||||
AC_DEFUN([AC_HEADER_TIME],
|
||||
[AC_CACHE_CHECK([whether time.h and sys/time.h may both be included],
|
||||
ac_cv_header_time,
|
||||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
|
||||
#include <sys/time.h>
|
||||
#include <time.h>
|
||||
],
|
||||
[struct tm *tp;])],
|
||||
[ac_cv_header_time=yes],
|
||||
[ac_cv_header_time=no])])
|
||||
if test $ac_cv_header_time = yes; then
|
||||
AC_DEFINE(TIME_WITH_SYS_TIME, 1,
|
||||
[Define if you can safely include both <sys/time.h> and <time.h>.])
|
||||
fi
|
||||
])# AC_HEADER_TIME
|
||||
|
||||
|
||||
# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
# ----------------------------------
|
||||
m4_define([_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
|
||||
[AC_CACHE_CHECK([whether termios.h defines TIOCGWINSZ],
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h,
|
||||
[AC_EGREP_CPP([yes],
|
||||
[#include <sys/types.h>
|
||||
#include <termios.h>
|
||||
#ifdef TIOCGWINSZ
|
||||
yes
|
||||
#endif
|
||||
],
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h=yes,
|
||||
ac_cv_sys_tiocgwinsz_in_termios_h=no)])
|
||||
])# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
|
||||
|
||||
# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
# ----------------------------------
|
||||
m4_define([_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL],
|
||||
[AC_CACHE_CHECK([whether sys/ioctl.h defines TIOCGWINSZ],
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h,
|
||||
[AC_EGREP_CPP([yes],
|
||||
[#include <sys/types.h>
|
||||
#include <sys/ioctl.h>
|
||||
#ifdef TIOCGWINSZ
|
||||
yes
|
||||
#endif
|
||||
],
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=yes,
|
||||
ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=no)])
|
||||
])# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
|
||||
|
||||
# AC_HEADER_TIOCGWINSZ
|
||||
# --------------------
|
||||
# Look for a header that defines TIOCGWINSZ.
|
||||
# FIXME: Is this the proper name? Is this the proper implementation?
|
||||
# I need more help.
|
||||
AC_DEFUN([AC_HEADER_TIOCGWINSZ],
|
||||
[AC_REQUIRE([AC_SYS_POSIX_TERMIOS])dnl
|
||||
if test $ac_cv_sys_posix_termios = yes; then
|
||||
_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
|
||||
fi
|
||||
if test $ac_cv_sys_tiocgwinsz_in_termios_h != yes; then
|
||||
_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
|
||||
if test $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h = yes; then
|
||||
AC_DEFINE(GWINSZ_IN_SYS_IOCTL,1,
|
||||
[Define if `TIOCGWINSZ' requires <sys/ioctl.h>])
|
||||
fi
|
||||
fi
|
||||
])# AC_HEADER_TIOCGWINSZ
|
||||
|
||||
|
||||
# AU::AC_UNISTD_H
|
||||
# ---------------
|
||||
AU_DEFUN([AC_UNISTD_H],
|
||||
[AC_CHECK_HEADERS(unistd.h)])
|
||||
|
||||
|
||||
# AU::AC_USG
|
||||
# ----------
|
||||
# Define `USG' if string functions are in strings.h.
|
||||
AU_DEFUN([AC_USG],
|
||||
[AC_DIAGNOSE([obsolete], [$0: Remove `AC_MSG_CHECKING', `AC_TRY_LINK' and this `AC_WARNING'
|
||||
when you ajust your code to use HAVE_STRING_H.])dnl
|
||||
AC_MSG_CHECKING([for BSD string and memory functions])
|
||||
AC_TRY_LINK([@%:@include <strings.h>], [rindex(0, 0); bzero(0, 0);],
|
||||
[AC_MSG_RESULT([yes])],
|
||||
[AC_MSG_RESULT([no])
|
||||
AC_DEFINE(USG, 1,
|
||||
[Define if you do not have <strings.h>, index, bzero, etc...
|
||||
This symbol is obsolete, you should not depend upon it.])])
|
||||
AC_CHECK_HEADERS(string.h)])
|
||||
|
||||
|
||||
# AU::AC_MEMORY_H
|
||||
# ---------------
|
||||
# To be precise this macro used to be:
|
||||
#
|
||||
# | AC_MSG_CHECKING(whether string.h declares mem functions)
|
||||
# | AC_EGREP_HEADER(memchr, string.h, ac_found=yes, ac_found=no)
|
||||
# | AC_MSG_RESULT($ac_found)
|
||||
# | if test $ac_found = no; then
|
||||
# | AC_CHECK_HEADER(memory.h, [AC_DEFINE(NEED_MEMORY_H)])
|
||||
# | fi
|
||||
#
|
||||
# But it is better to check for both headers, and alias NEED_MEMORY_H to
|
||||
# HAVE_MEMORY_H.
|
||||
AU_DEFUN([AC_MEMORY_H],
|
||||
[AC_DIAGNOSE([obsolete], [$0: Remove this warning and
|
||||
`AC_CHECK_HEADER(memory.h, AC_DEFINE(...))' when you ajust your code to
|
||||
use and HAVE_STRING_H and HAVE_MEMORY_H, not NEED_MEMORY_H.])dnl
|
||||
AC_CHECK_HEADER(memory.h,
|
||||
[AC_DEFINE([NEED_MEMORY_H], 1,
|
||||
[Same as `HAVE_MEMORY_H', don't depend on me.])])
|
||||
AC_CHECK_HEADERS(string.h memory.h)
|
||||
])
|
||||
|
||||
|
||||
# AU::AC_DIR_HEADER
|
||||
# -----------------
|
||||
# Like calling `AC_HEADER_DIRENT' and `AC_FUNC_CLOSEDIR_VOID', but
|
||||
# defines a different set of C preprocessor macros to indicate which
|
||||
# header file is found.
|
||||
AU_DEFUN([AC_DIR_HEADER],
|
||||
[AC_HEADER_DIRENT
|
||||
AC_FUNC_CLOSEDIR_VOID
|
||||
AC_DIAGNOSE([obsolete],
|
||||
[$0: Remove this warning and the four `AC_DEFINE' when you
|
||||
ajust your code to use `AC_HEADER_DIRENT'.])
|
||||
test ac_cv_header_dirent_dirent_h &&
|
||||
AC_DEFINE([DIRENT], 1, [Same as `HAVE_DIRENT_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_sys_ndir_h &&
|
||||
AC_DEFINE([SYSNDIR], 1, [Same as `HAVE_SYS_NDIR_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_sys_dir_h &&
|
||||
AC_DEFINE([SYSDIR], 1, [Same as `HAVE_SYS_DIR_H', don't depend on me.])
|
||||
test ac_cv_header_dirent_ndir_h &&
|
||||
AC_DEFINE([NDIR], 1, [Same as `HAVE_NDIR_H', don't depend on me.])
|
||||
])
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
## --------------------- ##
|
||||
## Checks for typedefs. ##
|
||||
## --------------------- ##
|
||||
|
||||
@ -43,7 +43,7 @@ testsuite: atgeneral.m4 atspecific.m4 $(SUITE)
|
||||
|
||||
# The files which contains macro we check for syntax.
|
||||
MACRO_FILES = ../acgeneral.m4 ../acspecific.m4 \
|
||||
../acfunctions.m4 ../aclang.m4
|
||||
../acfunctions.m4 ../aclang.m4 ../acheaders.m4
|
||||
|
||||
syntax.at: mktests.sh $(MACRO_FILES)
|
||||
cd $(srcdir) && ./mktests.sh $(MACRO_FILES)
|
||||
|
||||
@ -75,7 +75,7 @@ EXTRA_DIST = README atgeneral.m4 atspecific.m4 aclocal.m4
|
||||
|
||||
|
||||
# The files which contains macro we check for syntax.
|
||||
MACRO_FILES = ../acgeneral.m4 ../acspecific.m4 ../acfunctions.m4 ../aclang.m4
|
||||
MACRO_FILES = ../acgeneral.m4 ../acspecific.m4 ../acfunctions.m4 ../aclang.m4 ../acheaders.m4
|
||||
|
||||
|
||||
CLEANFILES = debug-*.sh macro configure configure.in config.status config.cache config.log config.h.in config.h
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user