+Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
+
+ * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
+ * mips-tfile.c: Likewise.
+ * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
+ * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
+ * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
+ * configure.in: Check for sys_siglist declaration.
+ * configure, config.in: Rebuilt.
+
Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
* i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
};
#ifndef NO_SYS_SIGLIST
-#ifndef DONT_DECLARE_SYS_SIGLIST
+#ifndef SYS_SIGLIST_DECLARED
extern char *sys_siglist[];
#endif
#endif
/* Whether free must be declared even if <stdlib.h> is included. */
#undef NEED_DECLARATION_FREE
+/* Define if `sys_siglist' is declared by <signal.h>. */
+#undef SYS_SIGLIST_DECLARED
+
/* Define if you have the <stddef.h> header file. */
#undef HAVE_STDDEF_H
#define HAVE_STRERROR
-#define DONT_DECLARE_SYS_SIGLIST
#define USE_BFD
#include "i386/xm-i386.h"
#define HAVE_STRERROR
-
-/* We have _sys_siglist, but the declaration in <signal.h> conflicts with
- the declarations in collect2.c so disable the declarations
- in those files. */
-
-#define DONT_DECLARE_SYS_SIGLIST
/* Univel, at least, has a small ARG_MAX. Defining this is harmless
except for causing extra stat calls in the driver program. */
#define SMALL_ARG_MAX
-
-/* We have _sys_siglist, but the declaration in <signal.h> conflicts with
- the declarations in collect2.c and mips-tfile.c, so disable the declarations
- in those files. */
-
-#define DONT_DECLARE_SYS_SIGLIST
/* SVR4 provides no sys_siglist,
but does offer the same data under another name. */
#define sys_siglist _sys_siglist
-
-/* There is a declaration in /usr/include/signal.h that conflicts with the
- declarations in collect2.c and mips-tfile.c, so disable gcc's declarations.
- This is at least true for CDC's EP/IX 2.1.1. It is suspected to be true
- for RISC/OS 5.x also. */
-#define DONT_DECLARE_SYS_SIGLIST
#define ONLY_INT_FIELDS
#endif
-/* Solaris has a different declaration of sys_siglist than collect uses. */
-#define DONT_DECLARE_SYS_SIGLIST
-
/* We have STRERROR */
#define HAVE_STRERROR
#ifndef __GNUC__
#include <alloca.h>
#endif
-
-/* We have _sys_siglist, but the declaration in <signal.h> conflicts with
- the declarations in collect2.c and mips-tfile.c, so disable the declarations
- in those files. */
-
-#define DONT_DECLARE_SYS_SIGLIST
/* FreeBSD has strerror. */
#define HAVE_STRERROR
-
-/* We have _sys_siglist, but the declaration in <signal.h> conflicts with
- the declarations in collect2.c and mips-tfile.c, so disable the declarations
- in those files. */
-
-#define DONT_DECLARE_SYS_SIGLIST
#undef POSIX
#define POSIX
-#undef DONT_DECLARE_SYS_SIGLIST
-#define DONT_DECLARE_SYS_SIGLIST
-
/* We do have one, but I'd like to use the one come with gcc since
we have been doing that for a long time with USG defined. H.J. */
#define NO_STAB_H
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.12.1
+# Generated automatically using autoconf version 2.12
# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
#
# This configure script is free software; the Free Software Foundation
verbose=yes ;;
-version | --version | --versio | --versi | --vers)
- echo "configure generated by autoconf version 2.12.1"
+ echo "configure generated by autoconf version 2.12"
exit 0 ;;
-with-* | --with-*)
# Make sure we can run config.sub.
-if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
+if $ac_config_sub sun4 >/dev/null 2>&1; then :
else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
fi
NONE)
case $nonopt in
NONE)
- if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
+ if host_alias=`$ac_config_guess`; then :
else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
fi ;;
*) host_alias=$nonopt ;;
esac ;;
esac
-host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
+host=`$ac_config_sub $host_alias`
host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
esac ;;
esac
-target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
+target=`$ac_config_sub $target_alias`
target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
esac ;;
esac
-build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
+build=`$ac_config_sub $build_alias`
build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
fi
+echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
+echo "configure:1526: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 1531 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <signal.h>
+/* NetBSD declares sys_siglist in unistd.h. */
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+int main() {
+char *msg = *(sys_siglist + 1);
+; return 0; }
+EOF
+if { (eval echo configure:1543: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_decl_sys_siglist=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_decl_sys_siglist=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_decl_sys_siglist" 1>&6
+if test $ac_cv_decl_sys_siglist = yes; then
+ cat >> confdefs.h <<\EOF
+#define SYS_SIGLIST_DECLARED 1
+EOF
+
+fi
+
+
# File extensions
manext='.1'
objext='.o'
-
# Echo that links are built
if [ x$host = x$target ]
then
echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
-version | --version | --versio | --versi | --vers | --ver | --ve | --v)
- echo "$CONFIG_STATUS generated by autoconf version 2.12.1"
+ echo "$CONFIG_STATUS generated by autoconf version 2.12"
exit 0 ;;
-help | --help | --hel | --he | --h)
echo "\$ac_cs_usage"; exit 0 ;;
GCC_NEED_DECLARATION(calloc)
GCC_NEED_DECLARATION(free)
+AC_DECL_SYS_SIGLIST
+
# File extensions
manext='.1'
objext='.o'
Define this if your system @emph{does not} provide the variable
@code{sys_siglist}.
-@findex DONT_DECLARE_SYS_SIGLIST
-@item DONT_DECLARE_SYS_SIGLIST
-Define this if your system has the variable @code{sys_siglist}, and
-there is already a declaration of it in the system header files.
-
@findex USE_PROTOTYPES
@item USE_PROTOTYPES
Define this to be 1 if you know that the host compiler supports
extern int opterr;
extern char *version_string;
#ifndef NO_SYS_SIGLIST
-#ifndef DONT_DECLARE_SYS_SIGLIST
+#ifndef SYS_SIGLIST_DECLARED
extern char *sys_siglist[NSIG + 1];
#endif
#endif
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