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GNU Binutils with patches for OS216


ファイル情報

Rev. c4df5bbeb87a445dbc84b9ed677b2c721e5051b5
サイズ 1,533 バイト
日時 2020-07-04 04:03:47
作者 Sebastian Huber
ログメッセージ

sim/igen: Fix linker error with -fno-common

GCC 10 enables -fno-common by default. This resulted in multiple
definition linker errors since a global variable was declared and
defined in a header file:

ld: libsim.a(idecode.o):sim/v850/idecode.h:71: multiple definition of
idecode_issue'; libsim.a(irun.o):sim/v850/idecode.h:71: first defined
here
ld: libsim.a(engine.o):sim/v850/idecode.h:71: multiple definition of
idecode_issue'; libsim.a(irun.o):sim/v850/idecode.h:71: first defined
here
ld: libsim.a(support.o):sim/v850/idecode.h:71: multiple definition of
idecode_issue'; libsim.a(irun.o):sim/v850/idecode.h:71: first defined
here
ld: libsim.a(semantics.o):sim/v850/idecode.h:71: multiple definition
of idecode_issue'; libsim.a(irun.o):sim/v850/idecode.h:71: first
defined here

sim/igen

PR sim/26194

* lf.h (lf_get_file_type): Declare.
* lf.c (lf_get_file_type): Define.
* gen-idecode.c (print_idecode_issue_function_header): Use
lf_get_file_type() to issue an extern variable declaration in
case of header files.

内容

dnl Copyright (C) 1997-2019 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

AC_DEFUN([AC_DEBUGINFOD],
[
# Enable debuginfod
AC_ARG_WITH([debuginfod],
        AC_HELP_STRING([--with-debuginfod],
                       [Enable debuginfo lookups with debuginfod (auto/yes/no)]),
        [], [with_debuginfod=auto])
AC_MSG_CHECKING([whether to use debuginfod])
AC_MSG_RESULT([$with_debuginfod])

if test "${with_debuginfod}" = no; then
  AC_MSG_WARN([debuginfod support disabled; some features may be unavailable.])
else
  AC_CHECK_LIB([debuginfod], [debuginfod_begin], [have_debuginfod_lib=yes])
  AC_CHECK_DECL([debuginfod_begin], [have_debuginfod_h=yes], [],
                [#include <elfutils/debuginfod.h>])
  if test "x$have_debuginfod_lib" = "xyes" -a \
          "x$have_debuginfod_h" = "xyes"; then
    AC_DEFINE([HAVE_LIBDEBUGINFOD], [1],
              [Define to 1 if debuginfod is enabled.])
    AC_SUBST([LIBDEBUGINFOD], ["-ldebuginfod"])
  else
    AC_SUBST([LIBDEBUGINFOD], [])
    if test "$with_debuginfod" = yes; then
      AC_MSG_ERROR([debuginfod is missing or unusable])
    else
      AC_MSG_WARN([debuginfod is missing or unusable; some features may be unavailable.])
    fi
  fi
fi
])