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GNU Binutils with patches for OS216


File Info

Rev. c4df5bbeb87a445dbc84b9ed677b2c721e5051b5
Size 1,100 bytes
Time 2020-07-04 04:03:47
Author Sebastian Huber
Log Message

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.

Content

Export as raw format 
# gc++filt.m4 serial 1					-*- Autoconf -*-
# Find an instance of GNU c++filt on PATH.

dnl Copyright (C) 2010 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.

dnl From Rainer Orth.

# GCC_PROG_GNU_CXXFILT
# --------------------
# Check for GNU c++filt.
# FIXME: Maybe need TARGET variant, though c++filt should be target
# independent.
AC_DEFUN([GCC_PROG_GNU_CXXFILT],
  [AC_ARG_VAR([CXXFILT], [Location of GNU c++filt.  Defaults to the first
    GNU version of `c++filt', `gc++filt' on PATH.])
  AC_CACHE_CHECK([for GNU c++filt], [ac_cv_path_CXXFILT],
    [AC_PATH_PROGS_FEATURE_CHECK([CXXFILT], [c++filt gc++filt],
      [_AC_PATH_PROG_FLAVOR_GNU([$ac_path_CXXFILT],
	[ac_cv_path_CXXFILT=$ac_path_CXXFILT && ac_path_CXXFILT_found=:])])])
  CXXFILT=$ac_cv_path_CXXFILT
])