Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags.

* Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags.
	* configure.ac (ACX_LT_HOST_FLAGS): New.
	(target_thread_file): New.
	* configure.tgt (mingw): Add mingw support.
	* config/mingw/host-config.h: New file.
	* config/mingw/lock.c: Likewise.
	* Makefile.in: Regenerated.
	* configure: Likewise.
	* aclocal.m4: Likewise.
	* testsuite/Makefile.in: Likewise.

From-SVN: r211747
This commit is contained in:
Kai Tietz 2014-06-17 22:43:18 +02:00 committed by Kai Tietz
parent 90d0d8d3db
commit dc3368d0f5
10 changed files with 398 additions and 65 deletions

View File

@ -1,3 +1,16 @@
2014-06-17 Kai Tietz <ktietz@redhat.com>
* Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags.
* configure.ac (ACX_LT_HOST_FLAGS): New.
(target_thread_file): New.
* configure.tgt (mingw): Add mingw support.
* config/mingw/host-config.h: New file.
* config/mingw/lock.c: Likewise.
* Makefile.in: Regenerated.
* configure: Likewise.
* aclocal.m4: Likewise.
* testsuite/Makefile.in: Likewise.
2014-02-20 Richard Henderson <rth@redhat.com>
PR c++/60272

View File

@ -66,7 +66,7 @@ libatomic_version_dep =
endif
libatomic_version_info = -version-info $(libtool_VERSION)
libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script)
libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script) $(lt_host_flags)
libatomic_la_SOURCES = gload.c gstore.c gcas.c gexch.c glfree.c lock.c init.c \
fenv.c

View File

@ -1,9 +1,9 @@
# Makefile.in generated by automake 1.11.1 from Makefile.am.
# Makefile.in generated by automake 1.11.6 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
# Inc.
# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
# Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@ -16,6 +16,23 @@
@SET_MAKE@
VPATH = @srcdir@
am__make_dryrun = \
{ \
am__dry=no; \
case $$MAKEFLAGS in \
*\\[\ \ ]*) \
echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
| grep '^AM OK$$' >/dev/null || am__dry=yes;; \
*) \
for am__flg in $$MAKEFLAGS; do \
case $$am__flg in \
*=*|--*) ;; \
*n*) am__dry=yes; break;; \
esac; \
done;; \
esac; \
test $$am__dry = yes; \
}
pkgdatadir = $(datadir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
pkglibdir = $(libdir)/@PACKAGE@
@ -51,6 +68,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
$(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/../config/lead-dot.m4 \
$(top_srcdir)/../config/lthostflags.m4 \
$(top_srcdir)/../config/multi.m4 \
$(top_srcdir)/../config/override.m4 \
$(top_srcdir)/../config/stdint.m4 \
@ -87,6 +105,12 @@ am__nobase_list = $(am__nobase_strip_setup); \
am__base_list = \
sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
am__uninstall_files_from_dir = { \
test -z "$$files" \
|| { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
|| { echo " ( cd '$$dir' && rm -f" $$files ")"; \
$(am__cd) "$$dir" && rm -f $$files; }; \
}
am__installdirs = "$(DESTDIR)$(toolexeclibdir)"
LTLIBRARIES = $(noinst_LTLIBRARIES) $(toolexeclib_LTLIBRARIES)
am_libatomic_la_OBJECTS = gload.lo gstore.lo gcas.lo gexch.lo \
@ -128,6 +152,11 @@ RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
install-pdf-recursive install-ps-recursive install-recursive \
installcheck-recursive installdirs-recursive pdf-recursive \
ps-recursive uninstall-recursive
am__can_run_installinfo = \
case $$AM_UPDATE_INFO_DIR in \
n|no|NO) false;; \
*) (install-info --version) >/dev/null 2>&1;; \
esac
RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \
distclean-recursive maintainer-clean-recursive
AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
@ -244,6 +273,7 @@ libexecdir = @libexecdir@
libtool_VERSION = @libtool_VERSION@
localedir = @localedir@
localstatedir = @localstatedir@
lt_host_flags = @lt_host_flags@
mandir = @mandir@
mkdir_p = @mkdir_p@
multi_basedir = @multi_basedir@
@ -285,7 +315,7 @@ noinst_LTLIBRARIES = libatomic_convenience.la
@LIBAT_BUILD_VERSIONED_SHLIB_GNU_TRUE@@LIBAT_BUILD_VERSIONED_SHLIB_TRUE@libatomic_version_dep = $(top_srcdir)/libatomic.map
@LIBAT_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBAT_BUILD_VERSIONED_SHLIB_TRUE@libatomic_version_dep = libatomic.map-sun
libatomic_version_info = -version-info $(libtool_VERSION)
libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script)
libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script) $(lt_host_flags)
libatomic_la_SOURCES = gload.c gstore.c gcas.c gexch.c glfree.c lock.c init.c \
fenv.c
@ -325,7 +355,7 @@ all: auto-config.h
.SUFFIXES:
.SUFFIXES: .c .lo .o .obj
am--refresh:
am--refresh: Makefile
@:
$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
@for dep in $?; do \
@ -361,10 +391,8 @@ $(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
$(am__aclocal_m4_deps):
auto-config.h: stamp-h1
@if test ! -f $@; then \
rm -f stamp-h1; \
$(MAKE) $(AM_MAKEFLAGS) stamp-h1; \
else :; fi
@if test ! -f $@; then rm -f stamp-h1; else :; fi
@if test ! -f $@; then $(MAKE) $(AM_MAKEFLAGS) stamp-h1; else :; fi
stamp-h1: $(srcdir)/auto-config.h.in $(top_builddir)/config.status
@rm -f stamp-h1
@ -387,7 +415,6 @@ clean-noinstLTLIBRARIES:
done
install-toolexeclibLTLIBRARIES: $(toolexeclib_LTLIBRARIES)
@$(NORMAL_INSTALL)
test -z "$(toolexeclibdir)" || $(MKDIR_P) "$(DESTDIR)$(toolexeclibdir)"
@list='$(toolexeclib_LTLIBRARIES)'; test -n "$(toolexeclibdir)" || list=; \
list2=; for p in $$list; do \
if test -f $$p; then \
@ -395,6 +422,8 @@ install-toolexeclibLTLIBRARIES: $(toolexeclib_LTLIBRARIES)
else :; fi; \
done; \
test -z "$$list2" || { \
echo " $(MKDIR_P) '$(DESTDIR)$(toolexeclibdir)'"; \
$(MKDIR_P) "$(DESTDIR)$(toolexeclibdir)" || exit 1; \
echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(toolexeclibdir)'"; \
$(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(toolexeclibdir)"; \
}
@ -416,9 +445,9 @@ clean-toolexeclibLTLIBRARIES:
echo "rm -f \"$${dir}/so_locations\""; \
rm -f "$${dir}/so_locations"; \
done
libatomic.la: $(libatomic_la_OBJECTS) $(libatomic_la_DEPENDENCIES)
libatomic.la: $(libatomic_la_OBJECTS) $(libatomic_la_DEPENDENCIES) $(EXTRA_libatomic_la_DEPENDENCIES)
$(libatomic_la_LINK) -rpath $(toolexeclibdir) $(libatomic_la_OBJECTS) $(libatomic_la_LIBADD) $(LIBS)
libatomic_convenience.la: $(libatomic_convenience_la_OBJECTS) $(libatomic_convenience_la_DEPENDENCIES)
libatomic_convenience.la: $(libatomic_convenience_la_OBJECTS) $(libatomic_convenience_la_DEPENDENCIES) $(EXTRA_libatomic_convenience_la_DEPENDENCIES)
$(LINK) $(libatomic_convenience_la_OBJECTS) $(libatomic_convenience_la_LIBADD) $(LIBS)
mostlyclean-compile:
@ -635,10 +664,15 @@ install-am: all-am
installcheck: installcheck-recursive
install-strip:
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
`test -z '$(STRIP)' || \
echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
if test -z '$(STRIP)'; then \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
install; \
else \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
"INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
fi
mostlyclean-generic:
clean-generic:

75
libatomic/aclocal.m4 vendored
View File

@ -1,7 +1,8 @@
# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
# generated automatically by aclocal 1.11.6 -*- Autoconf -*-
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
# Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@ -19,12 +20,15 @@ You have another version of autoconf. It may work, but is not guaranteed to.
If you have problems, you may need to regenerate the build system entirely.
To do so, use the procedure documented by the package, typically `autoreconf'.])])
# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008, 2011 Free Software
# Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 1
# AM_AUTOMAKE_VERSION(VERSION)
# ----------------------------
# Automake X.Y traces this macro to ensure aclocal.m4 has been
@ -34,7 +38,7 @@ AC_DEFUN([AM_AUTOMAKE_VERSION],
[am__api_version='1.11'
dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
dnl require some minimum version. Point them to the right macro.
m4_if([$1], [1.11.1], [],
m4_if([$1], [1.11.6], [],
[AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
])
@ -50,7 +54,7 @@ m4_define([_AM_AUTOCONF_VERSION], [])
# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
[AM_AUTOMAKE_VERSION([1.11.1])dnl
[AM_AUTOMAKE_VERSION([1.11.6])dnl
m4_ifndef([AC_AUTOCONF_VERSION],
[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
@ -79,12 +83,14 @@ _AM_IF_OPTION([no-dependencies],, [_AM_DEPENDENCIES([CCAS])])dnl
# AM_AUX_DIR_EXPAND -*- Autoconf -*-
# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
# Copyright (C) 2001, 2003, 2005, 2011 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 1
# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
# $ac_aux_dir to `$srcdir/foo'. In other projects, it is set to
# `$srcdir', `$srcdir/..', or `$srcdir/../..'.
@ -166,14 +172,14 @@ AC_CONFIG_COMMANDS_PRE(
Usually this means the macro was only invoked conditionally.]])
fi])])
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
# Free Software Foundation, Inc.
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009,
# 2010, 2011 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 10
# serial 12
# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
# written in clear, in which case automake, when reading aclocal.m4,
@ -213,6 +219,7 @@ AC_CACHE_CHECK([dependency style of $depcc],
# instance it was reported that on HP-UX the gcc test will end up
# making a dummy file named `D' -- because `-MD' means `put the output
# in D'.
rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
# using a relative directory.
@ -277,7 +284,7 @@ AC_CACHE_CHECK([dependency style of $depcc],
break
fi
;;
msvisualcpp | msvcmsys)
msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok `-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
@ -342,10 +349,13 @@ AC_DEFUN([AM_DEP_TRACK],
if test "x$enable_dependency_tracking" != xno; then
am_depcomp="$ac_aux_dir/depcomp"
AMDEPBACKSLASH='\'
am__nodep='_no'
fi
AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
AC_SUBST([AMDEPBACKSLASH])dnl
_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
AC_SUBST([am__nodep])dnl
_AM_SUBST_NOTMAKE([am__nodep])dnl
])
# Generate code to set up dependency tracking. -*- Autoconf -*-
@ -567,12 +577,15 @@ for _am_header in $config_headers :; do
done
echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
# Copyright (C) 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
# Copyright (C) 2001, 2003, 2005, 2008, 2011 Free Software Foundation,
# Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 1
# AM_PROG_INSTALL_SH
# ------------------
# Define $install_sh.
@ -591,8 +604,8 @@ AC_SUBST(install_sh)])
# Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
# From Jim Meyering
# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
# Free Software Foundation, Inc.
# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
# 2011 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -612,7 +625,7 @@ AC_DEFUN([AM_MAINTAINER_MODE],
[disable], [m4_define([am_maintainer_other], [enable])],
[m4_define([am_maintainer_other], [enable])
m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
dnl maintainer-mode's default is 'disable' unless 'enable' is passed
AC_ARG_ENABLE([maintainer-mode],
[ --][am_maintainer_other][-maintainer-mode am_maintainer_other make rules and dependencies not useful
@ -723,12 +736,15 @@ else
fi
])
# Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
# Copyright (C) 2003, 2004, 2005, 2006, 2011 Free Software Foundation,
# Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 1
# AM_PROG_MKDIR_P
# ---------------
# Check for `mkdir -p'.
@ -751,13 +767,14 @@ esac
# Helper functions for option handling. -*- Autoconf -*-
# Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
# Copyright (C) 2001, 2002, 2003, 2005, 2008, 2010 Free Software
# Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 4
# serial 5
# _AM_MANGLE_OPTION(NAME)
# -----------------------
@ -765,13 +782,13 @@ AC_DEFUN([_AM_MANGLE_OPTION],
[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
# _AM_SET_OPTION(NAME)
# ------------------------------
# --------------------
# Set option NAME. Presently that only means defining a flag for this option.
AC_DEFUN([_AM_SET_OPTION],
[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
# _AM_SET_OPTIONS(OPTIONS)
# ----------------------------------
# ------------------------
# OPTIONS is a space-separated list of Automake options.
AC_DEFUN([_AM_SET_OPTIONS],
[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
@ -847,12 +864,14 @@ Check your system clock])
fi
AC_MSG_RESULT(yes)])
# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
# Copyright (C) 2001, 2003, 2005, 2011 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 1
# AM_PROG_INSTALL_STRIP
# ---------------------
# One issue with vendor `install' (even GNU) is that you can't
@ -875,13 +894,13 @@ fi
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
AC_SUBST([INSTALL_STRIP_PROGRAM])])
# Copyright (C) 2006, 2008 Free Software Foundation, Inc.
# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 2
# serial 3
# _AM_SUBST_NOTMAKE(VARIABLE)
# ---------------------------
@ -890,13 +909,13 @@ AC_SUBST([INSTALL_STRIP_PROGRAM])])
AC_DEFUN([_AM_SUBST_NOTMAKE])
# AM_SUBST_NOTMAKE(VARIABLE)
# ---------------------------
# --------------------------
# Public sister of _AM_SUBST_NOTMAKE.
AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
# Check how to create a tarball. -*- Autoconf -*-
# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
# Copyright (C) 2004, 2005, 2012 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -918,10 +937,11 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
# a tarball read from stdin.
# $(am__untar) < result.tar
AC_DEFUN([_AM_PROG_TAR],
[# Always define AMTAR for backward compatibility.
AM_MISSING_PROG([AMTAR], [tar])
[# Always define AMTAR for backward compatibility. Yes, it's still used
# in the wild :-( We should find a proper way to deprecate it ...
AC_SUBST([AMTAR], ['$${TAR-tar}'])
m4_if([$1], [v7],
[am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
[am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
[m4_case([$1], [ustar],, [pax],,
[m4_fatal([Unknown tar format])])
AC_MSG_CHECKING([how to create a $1 tar archive])
@ -993,6 +1013,7 @@ AC_SUBST([am__untar])
m4_include([../config/acx.m4])
m4_include([../config/depstand.m4])
m4_include([../config/lead-dot.m4])
m4_include([../config/lthostflags.m4])
m4_include([../config/multi.m4])
m4_include([../config/override.m4])
m4_include([../config/stdint.m4])

View File

@ -0,0 +1,54 @@
/* Copyright (C) 2014 Free Software Foundation, Inc.
Contributed by Kai Tietz <ktietz@redhat.com>.
This file is part of the GNU Atomic Library (libatomic).
Libatomic is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Libatomic is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* Included after all more target-specific host-config.h. */
#ifndef protect_start_end
# ifdef HAVE_ATTRIBUTE_VISIBILITY
# pragma GCC visibility push(hidden)
# endif
void libat_lock_1 (void *ptr);
void libat_unlock_1 (void *ptr);
static inline UWORD
protect_start (void *ptr)
{
libat_lock_1 (ptr);
return 0;
}
static inline void
protect_end (void *ptr, UWORD dummy UNUSED)
{
libat_unlock_1 (ptr);
}
# define protect_start_end 1
# ifdef HAVE_ATTRIBUTE_VISIBILITY
# pragma GCC visibility pop
# endif
#endif /* protect_start_end */
#include_next <host-config.h>

View File

@ -0,0 +1,124 @@
/* Copyright (C) 2014 Free Software Foundation, Inc.
Contributed by Kai Tietz <ktietz@redhat.com>.
This file is part of the GNU Atomic Library (libatomic).
Libatomic is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Libatomic is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#define UWORD __shadow_UWORD
#include <windows.h>
#undef UWORD
#include "libatomic_i.h"
/* The target page size. Must be no larger than the runtime page size,
lest locking fail with virtual address aliasing (i.e. a page mmaped
at two locations). */
#ifndef PAGE_SIZE
#define PAGE_SIZE 4096
#endif
/* The target cacheline size. This is an optimization; the padding that
should be applied to the locks to keep them from interfering. */
#ifndef CACHLINE_SIZE
#define CACHLINE_SIZE 64
#endif
/* The granularity at which locks are applied. Almost certainly the
cachline size is the right thing to use here. */
#ifndef WATCH_SIZE
#define WATCH_SIZE CACHLINE_SIZE
#endif
struct lock
{
HANDLE mutex;
char pad[sizeof (HANDLE) < CACHLINE_SIZE
? CACHLINE_SIZE - sizeof (HANDLE)
: 0];
};
#define NLOCKS (PAGE_SIZE / WATCH_SIZE)
static struct lock locks[NLOCKS] = {
[0 ... NLOCKS-1].mutex = NULL
};
static inline uintptr_t
addr_hash (void *ptr)
{
return ((uintptr_t)ptr / WATCH_SIZE) % NLOCKS;
}
void
libat_lock_1 (void *ptr)
{
if (!locks[addr_hash (ptr)].mutex)
locks[addr_hash (ptr)].mutex = CreateMutex (NULL, FALSE, NULL);
WaitForSingleObject (locks[addr_hash (ptr)].mutex, INFINITE);
}
void
libat_unlock_1 (void *ptr)
{
if (locks[addr_hash (ptr)].mutex)
ReleaseMutex (locks[addr_hash (ptr)].mutex);
}
void
libat_lock_n (void *ptr, size_t n)
{
uintptr_t h = addr_hash (ptr);
size_t i = 0;
/* Don't lock more than all the locks we have. */
if (n > PAGE_SIZE)
n = PAGE_SIZE;
do
{
if (!locks[h].mutex)
locks[h].mutex = CreateMutex (NULL, FALSE, NULL);
WaitForSingleObject (locks[h].mutex, INFINITE);
if (++h == NLOCKS)
h = 0;
i += WATCH_SIZE;
}
while (i < n);
}
void
libat_unlock_n (void *ptr, size_t n)
{
uintptr_t h = addr_hash (ptr);
size_t i = 0;
if (n > PAGE_SIZE)
n = PAGE_SIZE;
do
{
if (locks[h].mutex)
ReleaseMutex (locks[h].mutex);
if (++h == NLOCKS)
h = 0;
i += WATCH_SIZE;
}
while (i < n);
}

50
libatomic/configure vendored
View File

@ -627,6 +627,7 @@ MAINTAINER_MODE_FALSE
MAINTAINER_MODE_TRUE
enable_static
enable_shared
lt_host_flags
CPP
OTOOL64
OTOOL
@ -655,6 +656,7 @@ CCAS
am__fastdepCC_FALSE
am__fastdepCC_TRUE
CCDEPMODE
am__nodep
AMDEPBACKSLASH
AMDEP_FALSE
AMDEP_TRUE
@ -3131,11 +3133,11 @@ MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
# We need awk for the "check" target. The system "awk" is bad on
# some platforms.
# Always define AMTAR for backward compatibility.
# Always define AMTAR for backward compatibility. Yes, it's still used
# in the wild :-( We should find a proper way to deprecate it ...
AMTAR='$${TAR-tar}'
AMTAR=${AMTAR-"${am_missing_run}tar"}
am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
@ -4033,6 +4035,7 @@ fi
if test "x$enable_dependency_tracking" != xno; then
am_depcomp="$ac_aux_dir/depcomp"
AMDEPBACKSLASH='\'
am__nodep='_no'
fi
if test "x$enable_dependency_tracking" != xno; then
AMDEP_TRUE=
@ -4057,6 +4060,7 @@ else
# instance it was reported that on HP-UX the gcc test will end up
# making a dummy file named `D' -- because `-MD' means `put the output
# in D'.
rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
# using a relative directory.
@ -4116,7 +4120,7 @@ else
break
fi
;;
msvisualcpp | msvcmsys)
msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok `-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
@ -4191,6 +4195,7 @@ else
# instance it was reported that on HP-UX the gcc test will end up
# making a dummy file named `D' -- because `-MD' means `put the output
# in D'.
rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
# using a relative directory.
@ -4248,7 +4253,7 @@ else
break
fi
;;
msvisualcpp | msvcmsys)
msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok `-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
@ -11106,7 +11111,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11109 "configure"
#line 11114 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11212,7 +11217,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11215 "configure"
#line 11220 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11452,6 +11457,28 @@ CC="$lt_save_CC"
case $host in
*-cygwin* | *-mingw*)
# 'host' will be top-level target in the case of a target lib,
# we must compare to with_cross_host to decide if this is a native
# or cross-compiler and select where to install dlls appropriately.
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
lt_host_flags='-no-undefined -bindir "$(toolexeclibdir)"';
else
lt_host_flags='-no-undefined -bindir "$(bindir)"';
fi
;;
*)
lt_host_flags=
;;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
# Check whether --enable-maintainer-mode was given.
@ -11479,6 +11506,13 @@ fi
libtool_VERSION=2:0:1
# Check for used threading-model
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for thread model used by GCC" >&5
$as_echo_n "checking for thread model used by GCC... " >&6; }
target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $target_thread_file" >&5
$as_echo "$target_thread_file" >&6; }
# Get target configury.
. ${srcdir}/configure.tgt
if test -n "$UNSUPPORTED"; then

View File

@ -143,6 +143,7 @@ AC_PROG_INSTALL
# Configure libtool
AM_PROG_LIBTOOL
ACX_LT_HOST_FLAGS
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
AM_MAINTAINER_MODE
@ -151,6 +152,11 @@ AM_MAINTAINER_MODE
libtool_VERSION=2:0:1
AC_SUBST(libtool_VERSION)
# Check for used threading-model
AC_MSG_CHECKING([for thread model used by GCC])
target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
AC_MSG_RESULT([$target_thread_file])
# Get target configury.
. ${srcdir}/configure.tgt
if test -n "$UNSUPPORTED"; then

View File

@ -108,6 +108,17 @@ case "${target}" in
config_path="${config_path} posix"
;;
*-*-mingw*)
# OS support for atomic primitives.
case ${target_thread_file} in
win32)
config_path="${config_path} mingw"
;;
posix)
config_path="${config_path} posix"
;;
esac
;;
*-*-elf*)
# ??? No target OS. We could be targeting bare-metal kernel-mode,
# or user-mode for some custom OS. If the target supports TAS,

View File

@ -1,9 +1,9 @@
# Makefile.in generated by automake 1.11.1 from Makefile.am.
# Makefile.in generated by automake 1.11.6 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
# Inc.
# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
# Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@ -15,6 +15,23 @@
@SET_MAKE@
VPATH = @srcdir@
am__make_dryrun = \
{ \
am__dry=no; \
case $$MAKEFLAGS in \
*\\[\ \ ]*) \
echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
| grep '^AM OK$$' >/dev/null || am__dry=yes;; \
*) \
for am__flg in $$MAKEFLAGS; do \
case $$am__flg in \
*=*|--*) ;; \
*n*) am__dry=yes; break;; \
esac; \
done;; \
esac; \
test $$am__dry = yes; \
}
pkgdatadir = $(datadir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
pkglibdir = $(libdir)/@PACKAGE@
@ -40,6 +57,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
$(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/../config/lead-dot.m4 \
$(top_srcdir)/../config/lthostflags.m4 \
$(top_srcdir)/../config/multi.m4 \
$(top_srcdir)/../config/override.m4 \
$(top_srcdir)/../config/stdint.m4 \
@ -54,6 +72,11 @@ CONFIG_HEADER = $(top_builddir)/auto-config.h
CONFIG_CLEAN_FILES =
CONFIG_CLEAN_VPATH_FILES =
SOURCES =
am__can_run_installinfo = \
case $$AM_UPDATE_INFO_DIR in \
n|no|NO) false;; \
*) (install-info --version) >/dev/null 2>&1;; \
esac
DEJATOOL = $(PACKAGE)
RUNTESTDEFAULTFLAGS = --tool $$tool --srcdir $$srcdir
ACLOCAL = @ACLOCAL@
@ -165,6 +188,7 @@ libexecdir = @libexecdir@
libtool_VERSION = @libtool_VERSION@
localedir = @localedir@
localstatedir = @localstatedir@
lt_host_flags = @lt_host_flags@
mandir = @mandir@
mkdir_p = @mkdir_p@
multi_basedir = @multi_basedir@
@ -245,7 +269,7 @@ CTAGS:
check-DEJAGNU: site.exp
srcdir=`$(am__cd) $(srcdir) && pwd`; export srcdir; \
srcdir='$(srcdir)'; export srcdir; \
EXPECT=$(EXPECT); export EXPECT; \
runtest=$(RUNTEST); \
if $(SHELL) -c "$$runtest --version" > /dev/null 2>&1; then \
@ -256,12 +280,12 @@ check-DEJAGNU: site.exp
else echo "WARNING: could not find \`runtest'" 1>&2; :;\
fi; \
exit $$exit_status
site.exp: Makefile
site.exp: Makefile $(EXTRA_DEJAGNU_SITE_CONFIG)
@echo 'Making a new site.exp file...'
@echo '## these variables are automatically generated by make ##' >site.tmp
@echo '# Do not edit here. If you wish to override these values' >>site.tmp
@echo '# edit the last section' >>site.tmp
@echo 'set srcdir $(srcdir)' >>site.tmp
@echo 'set srcdir "$(srcdir)"' >>site.tmp
@echo "set objdir `pwd`" >>site.tmp
@echo 'set build_alias "$(build_alias)"' >>site.tmp
@echo 'set build_triplet $(build_triplet)' >>site.tmp
@ -269,9 +293,16 @@ site.exp: Makefile
@echo 'set host_triplet $(host_triplet)' >>site.tmp
@echo 'set target_alias "$(target_alias)"' >>site.tmp
@echo 'set target_triplet $(target_triplet)' >>site.tmp
@echo '## All variables above are generated by configure. Do Not Edit ##' >>site.tmp
@test ! -f site.exp || \
sed '1,/^## All variables above are.*##/ d' site.exp >> site.tmp
@list='$(EXTRA_DEJAGNU_SITE_CONFIG)'; for f in $$list; do \
echo "## Begin content included from file $$f. Do not modify. ##" \
&& cat `test -f "$$f" || echo '$(srcdir)/'`$$f \
&& echo "## End content included from file $$f. ##" \
|| exit 1; \
done >> site.tmp
@echo "## End of auto-generated content; you can edit from here. ##" >> site.tmp
@if test -f site.exp; then \
sed -e '1,/^## End of auto-generated content.*##/d' site.exp >> site.tmp; \
fi
@-rm -f site.bak
@test ! -f site.exp || mv site.exp site.bak
@mv site.tmp site.exp
@ -296,10 +327,15 @@ install-am: all-am
installcheck: installcheck-am
install-strip:
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
`test -z '$(STRIP)' || \
echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
if test -z '$(STRIP)'; then \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
install; \
else \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
"INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
fi
mostlyclean-generic:
clean-generic: