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GNU Binutils with patches for OS216


File Info

Rev. c4df5bbeb87a445dbc84b9ed677b2c721e5051b5
Size 1,625 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 
dnl gdb/gdbserver/configure.in uses BFD_HAVE_SYS_PROCFS_TYPE.
m4_include(../bfd/bfd.m4)

dnl This gets AM_GDB_WARNINGS.
m4_include(../gdbsupport/warning.m4)

dnl This gets autoconf bugfixes
m4_include(../config/override.m4)

dnl For ACX_PKGVERSION and ACX_BUGURL.
m4_include(../config/acx.m4)

m4_include(../config/depstand.m4)
m4_include(../config/lead-dot.m4)

dnl Needed for common.m4
dnl For AC_LIB_HAVE_LINKFLAGS.
m4_include(../config/lib-ld.m4)
m4_include(../config/lib-prefix.m4)
m4_include(../config/lib-link.m4)
dnl codeset.m4 is needed for common.m4, but not for
dnl anything else in gdbserver.
m4_include(../config/codeset.m4)
m4_include(../gdbsupport/common.m4)

dnl For libiberty_INIT.
m4_include(../gdb/libiberty.m4)

dnl For GDB_AC_PTRACE.
m4_include(../gdb/ptrace.m4)

m4_include(../gdb/ax_cxx_compile_stdcxx.m4)

dnl For GDB_AC_SELFTEST.
m4_include(../gdbsupport/selftest.m4)

m4_include([../config/ax_pthread.m4])

dnl For ZW_GNU_GETTEXT_SISTER_DIR.
m4_include(../config/gettext-sister.m4)

dnl Check for existence of a type $1 in libthread_db.h
dnl Based on BFD_HAVE_SYS_PROCFS_TYPE in bfd/bfd.m4.

AC_DEFUN([GDBSERVER_HAVE_THREAD_DB_TYPE],
[AC_MSG_CHECKING([for $1 in thread_db.h])
 AC_CACHE_VAL(gdbserver_cv_have_thread_db_type_$1,
   [AC_TRY_COMPILE([
#include <thread_db.h>],
      [$1 avar],
      gdbserver_cv_have_thread_db_type_$1=yes,
      gdbserver_cv_have_thread_db_type_$1=no
   )])
 if test $gdbserver_cv_have_thread_db_type_$1 = yes; then
   AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z]), 1,
	     [Define if <thread_db.h> has $1.])
 fi
 AC_MSG_RESULT($gdbserver_cv_have_thread_db_type_$1)
])