(DEFAULT_QUOTING_STYLE): New configuration variable

[chaz/tar] / configure.ac

diff --git a/configure.ac b/configure.ac
index 0985f74c01143310c0c99dea5641269c6d70c462..f9e9a183a38a377d6e0df326555a83423ba76ee4 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 # Configure template for GNU tar.
 
 # Copyright (C) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+# 2002, 2003, 2004, 2005, 2006 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
@@ -34,9 +34,9 @@ AC_SYS_LARGEFILE
 AC_ISC_POSIX
 AC_C_INLINE
 
-AC_CHECK_HEADERS(fcntl.h linux/fd.h memory.h net/errno.h \
-  sgtty.h string.h \
-  sys/param.h sys/device.h sys/gentape.h \
+AC_CHECK_HEADERS_ONCE(fcntl.h linux/fd.h memory.h net/errno.h \
+  sgtty.h string.h stropts.h \
+  sys/param.h sys/device.h sys/filio.h sys/gentape.h \
   sys/inet.h sys/io/trioctl.h \
   sys/mtio.h sys/time.h sys/tprintf.h sys/tape.h \
   unistd.h locale.h)
@@ -88,27 +88,6 @@ tar_GNULIB
 # paxutils modules
 tar_PAXUTILS
 
-AC_CHECK_MEMBERS([struct stat.st_spare1, struct stat.st_atim.tv_nsec, struct stat.st_atimespec.tv_nsec, struct stat.st_atimensec], , ,
-                 [
-#include <sys/types.h>
-#include <sys/stat.h>])
-
-# Save and restore LIBS so e.g., -lrt, isn't added to it.  Otherwise, *all*
-# programs in the package would end up linked with that potentially-shared
-# library, inducing unnecessary run-time overhead.
-
-# Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
-# Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
-tar_save_LIBS=$LIBS
-  LIB_CLOCK_GETTIME=
-  AC_SEARCH_LIBS(clock_gettime, [rt posix4])
-  case "$ac_cv_search_clock_gettime" in
-    -l*) LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime;;
-  esac
-  AC_SUBST(LIB_CLOCK_GETTIME)
-  AC_CHECK_FUNCS(clock_gettime)
-LIBS=$tar_save_LIBS
-
 AC_CHECK_FUNCS(fsync lstat mkfifo readlink strerror symlink setlocale utimes)
 AC_CHECK_DECLS([getgrgid],,, [#include <grp.h>])
 AC_CHECK_DECLS([getpwuid],,, [#include <pwd.h>])
@@ -176,7 +155,7 @@ else
   case $DEFAULT_ARCHIVE in
     *[[0-7][lmh]])
       AC_DEFINE(DENSITY_LETTER, 1,
-       [[Define to 1 if density may be indicated by [lmh] at end of device.]])
+       [Define to 1 if density may be indicated by [lmh] at end of device.])
       device_prefix=`echo $DEFAULT_ARCHIVE | sed 's/[0-7][lmh]$//'`
       ;;
     *[[0-7]])
@@ -205,6 +184,23 @@ AC_DEFINE_UNQUOTED(DEFAULT_BLOCKING, $DEFAULT_BLOCKING,
   [Define to a number giving the default blocking size for archives.])
 AC_MSG_RESULT($DEFAULT_BLOCKING)
 
+AC_MSG_CHECKING(for default quoting style)
+
+m4_define([QUOTING_STYLES],dnl
+          [literal|shell|shell-always|c|escape|locale|clocale])
+DEFAULT_QUOTING_STYLE="escape"
+AC_ARG_VAR([DEFAULT_QUOTING_STYLE],
+           [Set the default quoting style. Allowed values are: ] m4_bpatsubst(QUOTING_STYLES,[|], [[, ]]) [. Default is "escape".])
+
+case $DEFAULT_QUOTING_STYLE in
+QUOTING_STYLES) ;;
+*)  AC_MSG_ERROR(Invalid quoting style);;
+esac
+AC_MSG_RESULT($DEFAULT_QUOTING_STYLE)
+DEFAULT_QUOTING_STYLE=`echo ${DEFAULT_QUOTING_STYLE}|sed 's/-/_/g'`_quoting_style
+AC_DEFINE_UNQUOTED(DEFAULT_QUOTING_STYLE, $DEFAULT_QUOTING_STYLE,
+  [Define to a default quoting style (see lib/quoteargs.c for the list)])
+
 # Iconv
 AM_ICONV
 AC_CHECK_HEADERS(iconv.h)