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This patch adds the new thread model `mcf`, which implements mutexes and condition variables with the mcfgthread library. Source code for mcfgthread is available at <https://github.com/lhmouse/mcfgthread>. config/ChangeLog: * gthr.m4 (GCC_AC_THREAD_HEADER): Add new case for `mcf` thread model gcc/ChangeLog: * config/i386/mingw-mcfgthread.h: New file * config/i386/mingw32.h: Add builtin macro and default libraries for mcfgthread when thread model is `mcf` * config.gcc: Include 'i386/mingw-mcfgthread.h' when thread model is `mcf` * configure.ac: Recognize `mcf` as a valid thread model * config.in: Regenerate * configure: Regenerate libatomic/ChangeLog: * configure.tgt: Add new case for `mcf` thread model libgcc/ChangeLog: * config.host: Add new cases for `mcf` thread model * config/i386/gthr-mcf.h: New file * config/i386/t-mingw-mcfgthread: New file * config/i386/t-slibgcc-cygming: Add mcfgthread for libgcc DLL * configure: Regenerate libstdc++-v3/ChangeLog: * libsupc++/atexit_thread.cc (__cxa_thread_atexit): Use implementation from mcfgthread if available * libsupc++/guard.cc (__cxa_guard_acquire, __cxa_guard_release, __cxa_guard_abort): Use implementations from mcfgthread if available * configure: Regenerate
30 lines
1.1 KiB
Plaintext
30 lines
1.1 KiB
Plaintext
dnl Copyright (C) 2012 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl Define header location by thread model
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dnl usage: GCC_AC_THREAD_HEADER([thread_model])
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AC_DEFUN([GCC_AC_THREAD_HEADER],
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[
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case $1 in
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aix) thread_header=config/rs6000/gthr-aix.h ;;
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dce) thread_header=config/pa/gthr-dce.h ;;
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gcn) thread_header=config/gcn/gthr-gcn.h ;;
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lynx) thread_header=config/gthr-lynx.h ;;
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mipssde) thread_header=config/mips/gthr-mipssde.h ;;
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posix) thread_header=gthr-posix.h ;;
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rtems) thread_header=config/gthr-rtems.h ;;
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single) thread_header=gthr-single.h ;;
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tpf) thread_header=config/s390/gthr-tpf.h ;;
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vxworks) thread_header=config/gthr-vxworks.h ;;
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win32) thread_header=config/i386/gthr-win32.h ;;
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mcf) thread_header=config/i386/gthr-mcf.h ;;
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esac
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AC_SUBST(thread_header)
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])
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