* acinclude.m4 (AM_PROG_CC_STDC): Import from automake 1.6.

* aclocal.m4, configure: Re-generate.
Fix PR gdb/391.

gdb/ChangeLog

@@ -1,3 +1,9 @@
+2002-04-14  Andrew Cagney  <ac131313@redhat.com>
+
+	* acinclude.m4 (AM_PROG_CC_STDC): Import from automake 1.6.
+	* aclocal.m4, configure: Re-generate.
+	Fix PR gdb/391.
+	
 2002-04-14  Elena Zannoni  <ezannoni@redhat.com>
 
         * mi/mi-cmd-disas.c (dump_insns): Use TARGET_PRINT_INSN

gdb/acinclude.m4

@@ -866,3 +866,113 @@ dnl CY_GNU_GETTEXT into aclocal.m4.
 ifelse(yes,no,[
 AC_DEFUN([CY_GNU_GETTEXT],)
 ])
+
+## ----------------------------------------- ##
+## ANSIfy the C compiler whenever possible.  ##
+## From Franc,ois Pinard                     ##
+## ----------------------------------------- ##
+
+# Copyright 1996, 1997, 1999, 2000, 2001 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.
+
+# serial 1
+
+# @defmac AC_PROG_CC_STDC
+# @maindex PROG_CC_STDC
+# @ovindex CC
+# If the C compiler in not in ANSI C mode by default, try to add an option
+# to output variable @code{CC} to make it so.  This macro tries various
+# options that select ANSI C on some system or another.  It considers the
+# compiler to be in ANSI C mode if it handles function prototypes correctly.
+#
+# If you use this macro, you should check after calling it whether the C
+# compiler has been set to accept ANSI C; if not, the shell variable
+# @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
+# code in ANSI C, you can make an un-ANSIfied copy of it by using the
+# program @code{ansi2knr}, which comes with Ghostscript.
+# @end defmac
+
+AC_DEFUN([AM_PROG_CC_STDC],
+[AC_REQUIRE([AC_PROG_CC])
+AC_BEFORE([$0], [AC_C_INLINE])
+AC_BEFORE([$0], [AC_C_CONST])
+dnl Force this before AC_PROG_CPP.  Some cpp's, eg on HPUX, require
+dnl a magic option to avoid problems with ANSI preprocessor commands
+dnl like #elif.
+dnl FIXME: can't do this because then AC_AIX won't work due to a
+dnl circular dependency.
+dnl AC_BEFORE([$0], [AC_PROG_CPP])
+AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C])
+AC_CACHE_VAL(am_cv_prog_cc_stdc,
+[am_cv_prog_cc_stdc=no
+ac_save_CC="$CC"
+# Don't try gcc -ansi; that turns off useful extensions and
+# breaks some systems' header files.
+# AIX			-qlanglvl=ansi
+# Ultrix and OSF/1	-std1
+# HP-UX 10.20 and later	-Ae
+# HP-UX older versions	-Aa -D_HPUX_SOURCE
+# SVR4			-Xc -D__EXTENSIONS__
+for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  AC_TRY_COMPILE(
+[#include <stdarg.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+], [
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+],
+[am_cv_prog_cc_stdc="$ac_arg"; break])
+done
+CC="$ac_save_CC"
+])
+if test -z "$am_cv_prog_cc_stdc"; then
+  AC_MSG_RESULT([none needed])
+else
+  AC_MSG_RESULT([$am_cv_prog_cc_stdc])
+fi
+case "x$am_cv_prog_cc_stdc" in
+  x|xno) ;;
+  *) CC="$CC $am_cv_prog_cc_stdc" ;;
+esac
+])

gdb/aclocal.m4

@@ -1,4 +1,4 @@
-dnl aclocal.m4 generated automatically by aclocal 1.4-p4
+dnl aclocal.m4 generated automatically by aclocal 1.4
 
 dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
@@ -879,57 +879,23 @@ ifelse(yes,no,[
 AC_DEFUN([CY_GNU_GETTEXT],)
 ])
 
-# Add --enable-maintainer-mode option to configure.
-# From Jim Meyering
 
-# serial 1
+# Copyright 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
 
-AC_DEFUN(AM_MAINTAINER_MODE,
+# This program is free software; you can redistribute it and/or modify
-[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+# it under the terms of the GNU General Public License as published by
-  dnl maintainer-mode is disabled by default
+# the Free Software Foundation; either version 2, or (at your option)
-  AC_ARG_ENABLE(maintainer-mode,
+# any later version.
-[  --enable-maintainer-mode enable make rules and dependencies not useful
-                          (and sometimes confusing) to the casual installer],
-      USE_MAINTAINER_MODE=$enableval,
-      USE_MAINTAINER_MODE=no)
-  AC_MSG_RESULT($USE_MAINTAINER_MODE)
-  AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
-  MAINT=$MAINTAINER_MODE_TRUE
-  AC_SUBST(MAINT)dnl
-]
-)
 
-# Define a conditional.
+# This program is distributed in the hope that it will be useful,
-
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
-AC_DEFUN(AM_CONDITIONAL,
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-[AC_SUBST($1_TRUE)
+# GNU General Public License for more details.
-AC_SUBST($1_FALSE)
-if $2; then
-  $1_TRUE=
-  $1_FALSE='#'
-else
-  $1_TRUE='#'
-  $1_FALSE=
-fi])
-
-#serial 1
-# This test replaces the one in autoconf.
-# Currently this macro should have the same name as the autoconf macro
-# because gettext's gettext.m4 (distributed in the automake package)
-# still uses it.  Otherwise, the use in gettext.m4 makes autoheader
-# give these diagnostics:
-#   configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
-#   configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
-
-undefine([AC_ISC_POSIX])
-
-AC_DEFUN([AC_ISC_POSIX],
-  [
-    dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
-    AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
-  ]
-)
 
+# 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.
 
 # serial 1
 
@@ -948,7 +914,7 @@ AC_DEFUN([AC_ISC_POSIX],
 # program @code{ansi2knr}, which comes with Ghostscript.
 # @end defmac
 
-AC_DEFUN(AM_PROG_CC_STDC,
+AC_DEFUN([AM_PROG_CC_STDC],
 [AC_REQUIRE([AC_PROG_CC])
 AC_BEFORE([$0], [AC_C_INLINE])
 AC_BEFORE([$0], [AC_C_CONST])
@@ -958,7 +924,7 @@ dnl like #elif.
 dnl FIXME: can't do this because then AC_AIX won't work due to a
 dnl circular dependency.
 dnl AC_BEFORE([$0], [AC_PROG_CPP])
-AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
+AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C])
 AC_CACHE_VAL(am_cv_prog_cc_stdc,
 [am_cv_prog_cc_stdc=no
 ac_save_CC="$CC"
@@ -966,9 +932,10 @@ ac_save_CC="$CC"
 # breaks some systems' header files.
 # AIX			-qlanglvl=ansi
 # Ultrix and OSF/1	-std1
-# HP-UX			-Aa -D_HPUX_SOURCE
+# HP-UX 10.20 and later	-Ae
+# HP-UX older versions	-Aa -D_HPUX_SOURCE
 # SVR4			-Xc -D__EXTENSIONS__
-for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
   AC_TRY_COMPILE(
@@ -1010,7 +977,7 @@ CC="$ac_save_CC"
 if test -z "$am_cv_prog_cc_stdc"; then
   AC_MSG_RESULT([none needed])
 else
-  AC_MSG_RESULT($am_cv_prog_cc_stdc)
+  AC_MSG_RESULT([$am_cv_prog_cc_stdc])
 fi
 case "x$am_cv_prog_cc_stdc" in
   x|xno) ;;
@@ -1018,3 +985,36 @@ case "x$am_cv_prog_cc_stdc" in
 esac
 ])
 
+# Add --enable-maintainer-mode option to configure.
+# From Jim Meyering
+
+# serial 1
+
+AC_DEFUN(AM_MAINTAINER_MODE,
+[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+  dnl maintainer-mode is disabled by default
+  AC_ARG_ENABLE(maintainer-mode,
+[  --enable-maintainer-mode enable make rules and dependencies not useful
+                          (and sometimes confusing) to the casual installer],
+      USE_MAINTAINER_MODE=$enableval,
+      USE_MAINTAINER_MODE=no)
+  AC_MSG_RESULT($USE_MAINTAINER_MODE)
+  AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
+  MAINT=$MAINTAINER_MODE_TRUE
+  AC_SUBST(MAINT)dnl
+]
+)
+
+# Define a conditional.
+
+AC_DEFUN(AM_CONDITIONAL,
+[AC_SUBST($1_TRUE)
+AC_SUBST($1_FALSE)
+if $2; then
+  $1_TRUE=
+  $1_FALSE='#'
+else
+  $1_TRUE='#'
+  $1_FALSE=
+fi])
+