Import GNU bc 1.05a.

1 files changed, 52 insertions, 7 deletions

diff --git a/contrib/bc/aclocal.m4 b/contrib/bc/aclocal.m4
index 16cedb1..8c0d9c0 100644
--- a/contrib/bc/aclocal.m4
+++ b/contrib/bc/aclocal.m4
@@ -1,4 +1,14 @@
-dnl aclocal.m4 generated automatically by aclocal 1.1n
+dnl aclocal.m4 generated automatically by aclocal 1.3
+
+dnl Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+dnl This Makefile.in is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+dnl PARTICULAR PURPOSE.
 
 # Do all the work for Automake.  This macro actually does too much --
 # some checks are only needed if your package does certain things.
@@ -15,11 +25,15 @@ PACKAGE=[$1]
 AC_SUBST(PACKAGE)
 VERSION=[$2]
 AC_SUBST(VERSION)
+dnl test to see if srcdir already configured
+if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
+  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+fi
 ifelse([$3],,
 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
 AC_DEFINE_UNQUOTED(VERSION, "$VERSION"))
-AM_SANITY_CHECK
-AC_ARG_PROGRAM
+AC_REQUIRE([AM_SANITY_CHECK])
+AC_REQUIRE([AC_ARG_PROGRAM])
 dnl FIXME This is truly gross.
 missing_dir=`cd $ac_aux_dir && pwd`
 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
@@ -27,7 +41,7 @@ AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
-AC_PROG_MAKE_SET])
+AC_REQUIRE([AC_PROG_MAKE_SET])])
 
 
 # serial 1
@@ -54,10 +68,21 @@ echo timestamp > conftestfile
 # directory).
 if (
    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
-   if test "$@" = "X"; then
+   if test "[$]*" = "X"; then
       # -L didn't work.
       set X `ls -t $srcdir/configure conftestfile`
    fi
+   if test "[$]*" != "X $srcdir/configure conftestfile" \
+      && test "[$]*" != "X conftestfile $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+alias in your environment])
+   fi
+
    test "[$]2" = conftestfile
    )
 then
@@ -76,7 +101,8 @@ AC_DEFUN(AM_MISSING_PROG,
 [AC_MSG_CHECKING(for working $2)
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
-if ($2 --version) > /dev/null 2>&1; then
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if ($2 --version) < /dev/null > /dev/null 2>&1; then
    $1=$2
    AC_MSG_RESULT(found)
 else
@@ -95,6 +121,25 @@ dnl This file resides in the same directory as the config header
 dnl that is generated.  We must strip everything past the first ":",
 dnl and everything past the last "/".
 AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
-test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl
+ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
+<<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
+<<am_indx=1
+for am_file in <<$1>>; do
+  case " <<$>>CONFIG_HEADERS " in
+  *" <<$>>am_file "*<<)>>
+    echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
+    ;;
+  esac
+  am_indx=`expr "<<$>>am_indx" + 1`
+done<<>>dnl>>)
 changequote([,]))])
 
+
+dnl AM_PROG_LEX
+dnl Look for flex, lex or missing, then run AC_PROG_LEX and AC_DECL_YYTEXT
+AC_DEFUN(AM_PROG_LEX,
+[missing_dir=ifelse([$1],,`cd $ac_aux_dir && pwd`,$1)
+AC_CHECK_PROGS(LEX, flex lex, "$missing_dir/missing flex")
+AC_PROG_LEX
+AC_DECL_YYTEXT])
+