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Overview
Comment:Merge 8.7 Move stuff from SC_ENABLE_THREADS to SC_TCL_LINK_LIBS in tcl.m4, so SC_ENABLE_THREADS is no longer needed in configure.ac
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Timelines: family | ancestors | descendants | both | tip-491
Files: files | file ages | folders
SHA3-256: 89b3d0671b304a79ce352e0751515999a9d4534967ec8feb03214ec60908db06
User & Date: jan.nijtmans 2018-04-17 22:48:00
Context
2018-05-17
18:53
TIP #491 implementation: Threading Support: phasing out non-threaded builds check-in: e9ee6fc387 user: jan.nijtmans tags: core-8-branch
2018-04-17
22:48
Merge 8.7 Move stuff from SC_ENABLE_THREADS to SC_TCL_LINK_LIBS in tcl.m4, so SC_ENABLE_THREADS is n... Closed-Leaf check-in: 89b3d0671b user: jan.nijtmans tags: tip-491
14:39
merge 8.6 check-in: f21a25950c user: dgp tags: core-8-branch
2018-04-16
14:51
ran autoconf on the unix directory. This breaks the build. check-in: b4ff6833b3 user: dgp tags: tip-491
Changes
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Changes to generic/tclTrace.c.

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Tcl_TraceObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    int optionIndex;

    const char *name;
    const char *flagOps, *p;

    /* Main sub commands to 'trace' */
    static const char *const traceOptions[] = {
	"add", "info", "remove",
#ifndef TCL_REMOVE_OBSOLETE_TRACES
	"variable", "vdelete", "vinfo",
#endif
	NULL
................................................................................
	Tcl_SetObjResult(interp, resultListPtr);
	break;
    }
#endif /* TCL_REMOVE_OBSOLETE_TRACES */
    }
    return TCL_OK;


  badVarOps:
    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
	    "bad operations \"%s\": should be one or more of rwua",
	    flagOps));
    Tcl_SetErrorCode(interp, "TCL", "OPERATION", "TRACE", "BADOPS", NULL);
    return TCL_ERROR;

}
 
/*
 *----------------------------------------------------------------------
 *
 * TraceExecutionObjCmd --
 *
................................................................................
	length = (size_t) commandLength;
	if ((enum traceOptions) optionIndex == TRACE_ADD) {
	    CombinedTraceVarInfo *ctvarPtr = ckalloc(
		    TclOffset(CombinedTraceVarInfo, traceCmdInfo.command)
		    + 1 + length);

	    ctvarPtr->traceCmdInfo.flags = flags;

	    if (objv[0] == NULL) {
		ctvarPtr->traceCmdInfo.flags |= TCL_TRACE_OLD_STYLE;
	    }

	    ctvarPtr->traceCmdInfo.length = length;
	    flags |= TCL_TRACE_UNSETS | TCL_TRACE_RESULT_OBJECT;
	    memcpy(ctvarPtr->traceCmdInfo.command, command, length+1);
	    ctvarPtr->traceInfo.traceProc = TraceVarProc;
	    ctvarPtr->traceInfo.clientData = &ctvarPtr->traceCmdInfo;
	    ctvarPtr->traceInfo.flags = flags;
	    name = Tcl_GetString(objv[3]);
................................................................................
	     */

	    name = Tcl_GetString(objv[3]);
	    FOREACH_VAR_TRACE(interp, name, clientData) {
		TraceVarInfo *tvarPtr = clientData;

		if ((tvarPtr->length == length)


			&& ((tvarPtr->flags & ~TCL_TRACE_OLD_STYLE)==flags)


			&& (strncmp(command, tvarPtr->command,
				(size_t) length) == 0)) {
		    Tcl_UntraceVar2(interp, name, NULL,
			    flags | TCL_TRACE_UNSETS | TCL_TRACE_RESULT_OBJECT,
			    TraceVarProc, clientData);
		    break;
		}






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Tcl_TraceObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    int optionIndex;
#ifndef TCL_REMOVE_OBSOLETE_TRACES
    const char *name;
    const char *flagOps, *p;
#endif
    /* Main sub commands to 'trace' */
    static const char *const traceOptions[] = {
	"add", "info", "remove",
#ifndef TCL_REMOVE_OBSOLETE_TRACES
	"variable", "vdelete", "vinfo",
#endif
	NULL
................................................................................
	Tcl_SetObjResult(interp, resultListPtr);
	break;
    }
#endif /* TCL_REMOVE_OBSOLETE_TRACES */
    }
    return TCL_OK;

#ifndef TCL_REMOVE_OBSOLETE_TRACES
  badVarOps:
    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
	    "bad operations \"%s\": should be one or more of rwua",
	    flagOps));
    Tcl_SetErrorCode(interp, "TCL", "OPERATION", "TRACE", "BADOPS", NULL);
    return TCL_ERROR;
#endif
}
 
/*
 *----------------------------------------------------------------------
 *
 * TraceExecutionObjCmd --
 *
................................................................................
	length = (size_t) commandLength;
	if ((enum traceOptions) optionIndex == TRACE_ADD) {
	    CombinedTraceVarInfo *ctvarPtr = ckalloc(
		    TclOffset(CombinedTraceVarInfo, traceCmdInfo.command)
		    + 1 + length);

	    ctvarPtr->traceCmdInfo.flags = flags;
#ifndef TCL_REMOVE_OBSOLETE_TRACES
	    if (objv[0] == NULL) {
		ctvarPtr->traceCmdInfo.flags |= TCL_TRACE_OLD_STYLE;
	    }
#endif
	    ctvarPtr->traceCmdInfo.length = length;
	    flags |= TCL_TRACE_UNSETS | TCL_TRACE_RESULT_OBJECT;
	    memcpy(ctvarPtr->traceCmdInfo.command, command, length+1);
	    ctvarPtr->traceInfo.traceProc = TraceVarProc;
	    ctvarPtr->traceInfo.clientData = &ctvarPtr->traceCmdInfo;
	    ctvarPtr->traceInfo.flags = flags;
	    name = Tcl_GetString(objv[3]);
................................................................................
	     */

	    name = Tcl_GetString(objv[3]);
	    FOREACH_VAR_TRACE(interp, name, clientData) {
		TraceVarInfo *tvarPtr = clientData;

		if ((tvarPtr->length == length)
			&& ((tvarPtr->flags
#ifndef TCL_REMOVE_OBSOLETE_TRACES
& ~TCL_TRACE_OLD_STYLE
#endif
						)==flags)
			&& (strncmp(command, tvarPtr->command,
				(size_t) length) == 0)) {
		    Tcl_UntraceVar2(interp, name, NULL,
			    flags | TCL_TRACE_UNSETS | TCL_TRACE_RESULT_OBJECT,
			    TraceVarProc, clientData);
		    break;
		}

Changes to unix/configure.

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if test "x$ac_cv_lib_nsl_gethostbyname" = xyes; then :
  LIBS="$LIBS -lnsl"
fi

fi










































































































































































































































































# Add the threads support libraries
LIBS="$LIBS$THREADS_LIBS"


    { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to build libraries" >&5
$as_echo_n "checking how to build libraries... " >&6; }






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if test "x$ac_cv_lib_nsl_gethostbyname" = xyes; then :
  LIBS="$LIBS -lnsl"
fi

fi



$as_echo "#define _REENTRANT 1" >>confdefs.h


$as_echo "#define _THREAD_SAFE 1" >>confdefs.h

    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lpthread" >&5
$as_echo_n "checking for pthread_mutex_init in -lpthread... " >&6; }
if ${ac_cv_lib_pthread_pthread_mutex_init+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lpthread  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char pthread_mutex_init ();
int
main ()
{
return pthread_mutex_init ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_pthread_pthread_mutex_init=yes
else
  ac_cv_lib_pthread_pthread_mutex_init=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_mutex_init" >&5
$as_echo "$ac_cv_lib_pthread_pthread_mutex_init" >&6; }
if test "x$ac_cv_lib_pthread_pthread_mutex_init" = xyes; then :
  tcl_ok=yes
else
  tcl_ok=no
fi

    if test "$tcl_ok" = "no"; then
	# Check a little harder for __pthread_mutex_init in the same
	# library, as some systems hide it there until pthread.h is
	# defined.  We could alternatively do an AC_TRY_COMPILE with
	# pthread.h, but that will work with libpthread really doesn't
	# exist, like AIX 4.2.  [Bug: 4359]
	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __pthread_mutex_init in -lpthread" >&5
$as_echo_n "checking for __pthread_mutex_init in -lpthread... " >&6; }
if ${ac_cv_lib_pthread___pthread_mutex_init+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lpthread  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char __pthread_mutex_init ();
int
main ()
{
return __pthread_mutex_init ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_pthread___pthread_mutex_init=yes
else
  ac_cv_lib_pthread___pthread_mutex_init=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread___pthread_mutex_init" >&5
$as_echo "$ac_cv_lib_pthread___pthread_mutex_init" >&6; }
if test "x$ac_cv_lib_pthread___pthread_mutex_init" = xyes; then :
  tcl_ok=yes
else
  tcl_ok=no
fi

    fi

    if test "$tcl_ok" = "yes"; then
	# The space is needed
	THREADS_LIBS=" -lpthread"
    else
	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lpthreads" >&5
$as_echo_n "checking for pthread_mutex_init in -lpthreads... " >&6; }
if ${ac_cv_lib_pthreads_pthread_mutex_init+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lpthreads  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char pthread_mutex_init ();
int
main ()
{
return pthread_mutex_init ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_pthreads_pthread_mutex_init=yes
else
  ac_cv_lib_pthreads_pthread_mutex_init=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthreads_pthread_mutex_init" >&5
$as_echo "$ac_cv_lib_pthreads_pthread_mutex_init" >&6; }
if test "x$ac_cv_lib_pthreads_pthread_mutex_init" = xyes; then :
  _ok=yes
else
  tcl_ok=no
fi

	if test "$tcl_ok" = "yes"; then
	    # The space is needed
	    THREADS_LIBS=" -lpthreads"
	else
	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lc" >&5
$as_echo_n "checking for pthread_mutex_init in -lc... " >&6; }
if ${ac_cv_lib_c_pthread_mutex_init+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lc  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char pthread_mutex_init ();
int
main ()
{
return pthread_mutex_init ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_c_pthread_mutex_init=yes
else
  ac_cv_lib_c_pthread_mutex_init=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_pthread_mutex_init" >&5
$as_echo "$ac_cv_lib_c_pthread_mutex_init" >&6; }
if test "x$ac_cv_lib_c_pthread_mutex_init" = xyes; then :
  tcl_ok=yes
else
  tcl_ok=no
fi

	    if test "$tcl_ok" = "no"; then
		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lc_r" >&5
$as_echo_n "checking for pthread_mutex_init in -lc_r... " >&6; }
if ${ac_cv_lib_c_r_pthread_mutex_init+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lc_r  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char pthread_mutex_init ();
int
main ()
{
return pthread_mutex_init ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_c_r_pthread_mutex_init=yes
else
  ac_cv_lib_c_r_pthread_mutex_init=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_r_pthread_mutex_init" >&5
$as_echo "$ac_cv_lib_c_r_pthread_mutex_init" >&6; }
if test "x$ac_cv_lib_c_r_pthread_mutex_init" = xyes; then :
  tcl_ok=yes
else
  tcl_ok=no
fi

		if test "$tcl_ok" = "yes"; then
		    # The space is needed
		    THREADS_LIBS=" -pthread"
		else
		    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Don't know how to find pthread lib on your system - you must edit the LIBS in the Makefile..." >&5
$as_echo "$as_me: WARNING: Don't know how to find pthread lib on your system - you must edit the LIBS in the Makefile..." >&2;}
		fi
	    fi
	fi
    fi

    # Does the pthread-implementation provide
    # 'pthread_attr_setstacksize' ?

    ac_saved_libs=$LIBS
    LIBS="$LIBS $THREADS_LIBS"
    for ac_func in pthread_attr_setstacksize pthread_atfork
do :
  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF

fi
done

    LIBS=$ac_saved_libs


# Add the threads support libraries
LIBS="$LIBS$THREADS_LIBS"


    { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to build libraries" >&5
$as_echo_n "checking how to build libraries... " >&6; }

Changes to unix/tcl.m4.

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2417
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		AC_MSG_RESULT([static library])
	    fi
	    FRAMEWORK_BUILD=0
	fi
    fi
])

#------------------------------------------------------------------------
# SC_ENABLE_THREADS --
#
#	Specify if thread support should be enabled
#
# Arguments:
#	none
#
# Results:
#
#	Adds the following arguments to configure:
#		--enable-threads
#
#	Sets the following vars:
#		THREADS_LIBS	Thread library(s)
#
#	Defines the following vars:
#		TCL_THREADS
#		_REENTRANT
#		_THREAD_SAFE
#------------------------------------------------------------------------

AC_DEFUN([SC_ENABLE_THREADS], [
    AC_ARG_ENABLE(threads,
	AC_HELP_STRING([--enable-threads],
	    [build with threads (default: on)]),
	[tcl_ok=$enableval], [tcl_ok=yes])

    if test "${TCL_THREADS}" = 1; then
	tcl_threaded_core=1;
    fi

    if test "$tcl_ok" = "yes" -o "${TCL_THREADS}" = 1; then
	TCL_THREADS=1
	# USE_THREAD_ALLOC tells us to try the special thread-based
	# allocator that significantly reduces lock contention
	AC_DEFINE(USE_THREAD_ALLOC, 1,
	    [Do we want to use the threaded memory allocator?])
	AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?])
	if test "`uname -s`" = "SunOS" ; then
	    AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1,
		    [Do we really want to follow the standard? Yes we do!])
	fi
	AC_DEFINE(_THREAD_SAFE, 1, [Do we want the thread-safe OS API?])
	AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
	if test "$tcl_ok" = "no"; then
	    # Check a little harder for __pthread_mutex_init in the same
	    # library, as some systems hide it there until pthread.h is
	    # defined.  We could alternatively do an AC_TRY_COMPILE with
	    # pthread.h, but that will work with libpthread really doesn't
	    # exist, like AIX 4.2.  [Bug: 4359]
	    AC_CHECK_LIB(pthread, __pthread_mutex_init,
		tcl_ok=yes, tcl_ok=no)
	fi

	if test "$tcl_ok" = "yes"; then
	    # The space is needed
	    THREADS_LIBS=" -lpthread"
	else
	    AC_CHECK_LIB(pthreads, pthread_mutex_init,
		tcl_ok=yes, tcl_ok=no)
	    if test "$tcl_ok" = "yes"; then
		# The space is needed
		THREADS_LIBS=" -lpthreads"
	    else
		AC_CHECK_LIB(c, pthread_mutex_init,
		    tcl_ok=yes, tcl_ok=no)
		if test "$tcl_ok" = "no"; then
		    AC_CHECK_LIB(c_r, pthread_mutex_init,
			tcl_ok=yes, tcl_ok=no)
		    if test "$tcl_ok" = "yes"; then
			# The space is needed
			THREADS_LIBS=" -pthread"
		    else
			TCL_THREADS=0
			AC_MSG_WARN([Don't know how to find pthread lib on your system - you must disable thread support or edit the LIBS in the Makefile...])
		    fi
		fi
	    fi
	fi

	# Does the pthread-implementation provide
	# 'pthread_attr_setstacksize' ?

	ac_saved_libs=$LIBS
	LIBS="$LIBS $THREADS_LIBS"
	AC_CHECK_FUNCS(pthread_attr_setstacksize pthread_atfork)
	LIBS=$ac_saved_libs
    else
	TCL_THREADS=0
    fi
    # Do checking message here to not mess up interleaved configure output
    AC_MSG_CHECKING([for building with threads])
    if test "${TCL_THREADS}" = 1; then
	AC_DEFINE(TCL_THREADS, 1, [Are we building with threads enabled?])
	if test "${tcl_threaded_core}" = 1; then
	    AC_MSG_RESULT([yes (threaded core)])
	else
	    AC_MSG_RESULT([yes])
	fi
    else
	AC_MSG_RESULT([no])
    fi

    AC_SUBST(TCL_THREADS)
])

#------------------------------------------------------------------------
# SC_ENABLE_SYMBOLS --
#
#	Specify if debugging symbols should be used.
#	Memory (TCL_MEM_DEBUG) and compile (TCL_COMPILE_DEBUG) debugging
#	can also be enabled.
#
................................................................................
])

#--------------------------------------------------------------------
# SC_TCL_LINK_LIBS
#
#	Search for the libraries needed to link the Tcl shell.
#	Things like the math library (-lm) and socket stuff (-lsocket vs.
#	-lnsl) are dealt with here.
#
# Arguments:
#	None.
#
# Results:








#
#	Might append to the following vars:
#		LIBS
#		MATH_LIBS
#
#	Might define the following vars:
#		HAVE_NET_ERRNO_H
................................................................................
    if test "$tcl_checkBoth" = 1; then
	tk_oldLibs=$LIBS
	LIBS="$LIBS -lsocket -lnsl"
	AC_CHECK_FUNC(accept, tcl_checkNsl=0, [LIBS=$tk_oldLibs])
    fi
    AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(nsl, gethostbyname,
	    [LIBS="$LIBS -lnsl"])])














































])

#--------------------------------------------------------------------
# SC_TCL_EARLY_FLAGS
#
#	Check for what flags are needed to be passed so the correct OS
#	features are available.






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>
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>







 







>
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>
>
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588
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595
596
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598
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601
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....
2311
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2364
2365
2366
2367
2368
2369
2370
		AC_MSG_RESULT([static library])
	    fi
	    FRAMEWORK_BUILD=0
	fi
    fi
])












































































































#------------------------------------------------------------------------
# SC_ENABLE_SYMBOLS --
#
#	Specify if debugging symbols should be used.
#	Memory (TCL_MEM_DEBUG) and compile (TCL_COMPILE_DEBUG) debugging
#	can also be enabled.
#
................................................................................
])

#--------------------------------------------------------------------
# SC_TCL_LINK_LIBS
#
#	Search for the libraries needed to link the Tcl shell.
#	Things like the math library (-lm) and socket stuff (-lsocket vs.
#	-lnsl) or thread library (-lpthread) are dealt with here.
#
# Arguments:
#	None.
#
# Results:
#
#	Sets the following vars:
#		THREADS_LIBS	Thread library(s)
#
#	Defines the following vars:
#		TCL_THREADS
#		_REENTRANT
#		_THREAD_SAFE
#
#	Might append to the following vars:
#		LIBS
#		MATH_LIBS
#
#	Might define the following vars:
#		HAVE_NET_ERRNO_H
................................................................................
    if test "$tcl_checkBoth" = 1; then
	tk_oldLibs=$LIBS
	LIBS="$LIBS -lsocket -lnsl"
	AC_CHECK_FUNC(accept, tcl_checkNsl=0, [LIBS=$tk_oldLibs])
    fi
    AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(nsl, gethostbyname,
	    [LIBS="$LIBS -lnsl"])])

    AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?])
    AC_DEFINE(_THREAD_SAFE, 1, [Do we want the thread-safe OS API?])
    AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
    if test "$tcl_ok" = "no"; then
	# Check a little harder for __pthread_mutex_init in the same
	# library, as some systems hide it there until pthread.h is
	# defined.  We could alternatively do an AC_TRY_COMPILE with
	# pthread.h, but that will work with libpthread really doesn't
	# exist, like AIX 4.2.  [Bug: 4359]
	AC_CHECK_LIB(pthread, __pthread_mutex_init,
		tcl_ok=yes, tcl_ok=no)
    fi

    if test "$tcl_ok" = "yes"; then
	# The space is needed
	THREADS_LIBS=" -lpthread"
    else
	AC_CHECK_LIB(pthreads, pthread_mutex_init,
	_ok=yes, tcl_ok=no)
	if test "$tcl_ok" = "yes"; then
	    # The space is needed
	    THREADS_LIBS=" -lpthreads"
	else
	    AC_CHECK_LIB(c, pthread_mutex_init,
		    tcl_ok=yes, tcl_ok=no)
	    if test "$tcl_ok" = "no"; then
		AC_CHECK_LIB(c_r, pthread_mutex_init,
			tcl_ok=yes, tcl_ok=no)
		if test "$tcl_ok" = "yes"; then
		    # The space is needed
		    THREADS_LIBS=" -pthread"
		else
		    AC_MSG_WARN([Don't know how to find pthread lib on your system - you must edit the LIBS in the Makefile...])
		fi
	    fi
	fi
    fi

    # Does the pthread-implementation provide
    # 'pthread_attr_setstacksize' ?

    ac_saved_libs=$LIBS
    LIBS="$LIBS $THREADS_LIBS"
    AC_CHECK_FUNCS(pthread_attr_setstacksize pthread_atfork)
    LIBS=$ac_saved_libs
])

#--------------------------------------------------------------------
# SC_TCL_EARLY_FLAGS
#
#	Check for what flags are needed to be passed so the correct OS
#	features are available.

Changes to unix/tclUnixPort.h.

598
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...
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#	endif
#	if MAC_OS_X_VERSION_MAX_ALLOWED < 1040
#	    undef HAVE_OSSPINLOCKLOCK
#	    undef HAVE_PTHREAD_ATFORK
#	    undef HAVE_COPYFILE
#	endif
#	if MAC_OS_X_VERSION_MAX_ALLOWED < 1030
#	    ifdef TCL_THREADS
		/* prior to 10.3, realpath is not threadsafe, c.f. bug 711232 */
#		define NO_REALPATH 1
#	    endif
#	    undef HAVE_LANGINFO
#	endif
#   endif /* MAC_OS_X_VERSION_MAX_ALLOWED */
#   if defined(HAVE_COREFOUNDATION) && defined(__LP64__) && \
	    defined(HAVE_WEAK_IMPORT) && MAC_OS_X_VERSION_MIN_REQUIRED < 1050
#	warning "Weak import of 64-bit CoreFoundation is not supported, will not run on Mac OS X < 10.5."
#   endif
................................................................................
 *---------------------------------------------------------------------------
 * The following macros and declaration wrap the C runtime library functions.
 *---------------------------------------------------------------------------
 */

#define TclpExit	exit

#ifdef TCL_THREADS
#   include <pthread.h>
#endif /* TCL_THREADS */

/* FIXME - Hyper-enormous platform assumption! */
#ifndef AF_INET6
#   define AF_INET6	10
#endif






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<







 







|







598
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600
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604

605
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613
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#	endif
#	if MAC_OS_X_VERSION_MAX_ALLOWED < 1040
#	    undef HAVE_OSSPINLOCKLOCK
#	    undef HAVE_PTHREAD_ATFORK
#	    undef HAVE_COPYFILE
#	endif
#	if MAC_OS_X_VERSION_MAX_ALLOWED < 1030

	    /* prior to 10.3, realpath is not threadsafe, c.f. bug 711232 */
#	    define NO_REALPATH 1

#	    undef HAVE_LANGINFO
#	endif
#   endif /* MAC_OS_X_VERSION_MAX_ALLOWED */
#   if defined(HAVE_COREFOUNDATION) && defined(__LP64__) && \
	    defined(HAVE_WEAK_IMPORT) && MAC_OS_X_VERSION_MIN_REQUIRED < 1050
#	warning "Weak import of 64-bit CoreFoundation is not supported, will not run on Mac OS X < 10.5."
#   endif
................................................................................
 *---------------------------------------------------------------------------
 * The following macros and declaration wrap the C runtime library functions.
 *---------------------------------------------------------------------------
 */

#define TclpExit	exit

#if !defined(TCL_THREADS) || TCL_THREADS
#   include <pthread.h>
#endif /* TCL_THREADS */

/* FIXME - Hyper-enormous platform assumption! */
#ifndef AF_INET6
#   define AF_INET6	10
#endif

Changes to win/configure.

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710
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713
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769
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771
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....
1382
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....
3667
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3709
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3712
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ZLIB_LIBS
ZLIB_DLL_FILE
CFLAGS_WARNING
CFLAGS_OPTIMIZE
CFLAGS_DEBUG
DL_LIBS
CYGPATH
TCL_THREADS
SET_MAKE
RC
RANLIB
AR
EGREP
GREP
CPP
................................................................................
PACKAGE_TARNAME
PACKAGE_NAME
PATH_SEPARATOR
SHELL'
ac_subst_files=''
ac_user_opts='
enable_option_checking
enable_threads
with_encoding
enable_shared
enable_64bit
enable_symbols
enable_embedded_manifest
'
      ac_precious_vars='build_alias
................................................................................

  cat <<\_ACEOF

Optional Features:
  --disable-option-checking  ignore unrecognized --enable/--with options
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
  --enable-threads        build with threads (default: on)
  --enable-shared         build and link with shared libraries (default: on)
  --enable-64bit          enable 64bit support (where applicable)
  --enable-symbols        build with debugging symbols (default: off)
  --enable-embedded-manifest
                          embed manifest if possible (default: yes)

Optional Packages:
................................................................................


#--------------------------------------------------------------------
# Determines the correct binary file extension (.o, .obj, .exe etc.)
#--------------------------------------------------------------------




#--------------------------------------------------------------------
# Check whether --enable-threads or --disable-threads was given.
#--------------------------------------------------------------------


    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for building with threads" >&5
$as_echo_n "checking for building with threads... " >&6; }
    # Check whether --enable-threads was given.
if test "${enable_threads+set}" = set; then :
  enableval=$enable_threads; tcl_ok=$enableval
else
  tcl_ok=yes
fi


    if test "$tcl_ok" = "yes"; then
	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes (default)" >&5
$as_echo "yes (default)" >&6; }
	TCL_THREADS=1
	$as_echo "#define TCL_THREADS 1" >>confdefs.h

	# USE_THREAD_ALLOC tells us to try the special thread-based
	# allocator that significantly reduces lock contention
	$as_echo "#define USE_THREAD_ALLOC 1" >>confdefs.h

    else
	TCL_THREADS=0
	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
    fi



#------------------------------------------------------------------------
# Embedded configuration information, encoding to use for the values, TIP #59
#------------------------------------------------------------------------








<







 







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3664
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3671
3672
3673
3674
3675
3676
3677
ZLIB_LIBS
ZLIB_DLL_FILE
CFLAGS_WARNING
CFLAGS_OPTIMIZE
CFLAGS_DEBUG
DL_LIBS
CYGPATH

SET_MAKE
RC
RANLIB
AR
EGREP
GREP
CPP
................................................................................
PACKAGE_TARNAME
PACKAGE_NAME
PATH_SEPARATOR
SHELL'
ac_subst_files=''
ac_user_opts='
enable_option_checking

with_encoding
enable_shared
enable_64bit
enable_symbols
enable_embedded_manifest
'
      ac_precious_vars='build_alias
................................................................................

  cat <<\_ACEOF

Optional Features:
  --disable-option-checking  ignore unrecognized --enable/--with options
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]

  --enable-shared         build and link with shared libraries (default: on)
  --enable-64bit          enable 64bit support (where applicable)
  --enable-symbols        build with debugging symbols (default: off)
  --enable-embedded-manifest
                          embed manifest if possible (default: yes)

Optional Packages:
................................................................................


#--------------------------------------------------------------------
# Determines the correct binary file extension (.o, .obj, .exe etc.)
#--------------------------------------------------------------------





































#------------------------------------------------------------------------
# Embedded configuration information, encoding to use for the values, TIP #59
#------------------------------------------------------------------------


Changes to win/tcl.m4.

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    else
	AC_MSG_RESULT([static])
	SHARED_BUILD=0
	AC_DEFINE(STATIC_BUILD, 1, [Is this a static build?])
    fi
])

#------------------------------------------------------------------------
# SC_ENABLE_THREADS --
#
#	Specify if thread support should be enabled
#
# Arguments:
#	none
#
# Results:
#
#	Adds the following arguments to configure:
#		--enable-threads=yes|no
#
#	Defines the following vars:
#		TCL_THREADS
#------------------------------------------------------------------------

AC_DEFUN([SC_ENABLE_THREADS], [
    AC_MSG_CHECKING(for building with threads)
    AC_ARG_ENABLE(threads, [  --enable-threads        build with threads (default: on)],
	[tcl_ok=$enableval], [tcl_ok=yes])

    if test "$tcl_ok" = "yes"; then
	AC_MSG_RESULT([yes (default)])
	TCL_THREADS=1
	AC_DEFINE(TCL_THREADS)
	# USE_THREAD_ALLOC tells us to try the special thread-based
	# allocator that significantly reduces lock contention
	AC_DEFINE(USE_THREAD_ALLOC)
    else
	TCL_THREADS=0
	AC_MSG_RESULT(no)
    fi
    AC_SUBST(TCL_THREADS)
])

#------------------------------------------------------------------------
# SC_ENABLE_SYMBOLS --
#
#	Specify if debugging symbols should be used.
#	Memory (TCL_MEM_DEBUG) and compile (TCL_COMPILE_DEBUG) debugging
#	can also be enabled.
#






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386
387
388
389
390
391
    else
	AC_MSG_RESULT([static])
	SHARED_BUILD=0
	AC_DEFINE(STATIC_BUILD, 1, [Is this a static build?])
    fi
])





































#------------------------------------------------------------------------
# SC_ENABLE_SYMBOLS --
#
#	Specify if debugging symbols should be used.
#	Memory (TCL_MEM_DEBUG) and compile (TCL_COMPILE_DEBUG) debugging
#	can also be enabled.
#