mirror of
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122 lines
4.4 KiB
Text
122 lines
4.4 KiB
Text
## aclocal.m4
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## --------------------------------------------------------------------------
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##
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## Pthreads4w - POSIX Threads for Windows
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## Copyright 1998 John E. Bossom
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## Copyright 1999-2018, Pthreads4w contributors
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##
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## Homepage: https://sourceforge.net/projects/pthreads4w/
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##
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## The current list of contributors is contained
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## in the file CONTRIBUTORS included with the source
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## code distribution. The list can also be seen at the
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## following World Wide Web location:
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##
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## https://sourceforge.net/p/pthreads4w/wiki/Contributors/
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##
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## This library is free software; you can redistribute it and/or
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## modify it under the terms of the GNU Lesser General Public
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## License as published by the Free Software Foundation; either
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## version 3 of the License, or (at your option) any later version.
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##
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## This library is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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## Lesser General Public License for more details.
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##
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## You should have received a copy of the GNU Lesser General Public
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## License along with this library in the file COPYING.LIB;
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## if not, write to the Free Software Foundation, Inc.,
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## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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##
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#
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# PTW32_AC_CHECK_TYPEDEF( TYPENAME, [HEADER] )
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# --------------------------------------------
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# Set HAVE_TYPENAME in config.h, if either HEADER, or any default
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# header which autoconf checks automatically, defines TYPENAME.
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#
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AC_DEFUN([PTW32_AC_CHECK_TYPEDEF],dnl
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[m4_ifnblank([$2],[AC_CHECK_HEADERS_ONCE([$2])])
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AC_CHECK_TYPE([$1],dnl
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[AC_DEFINE(AS_TR_CPP([HAVE_$1]),[1],[Define if your compiler knows about $1])],,dnl
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[AC_INCLUDES_DEFAULT
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m4_ifnblank([$2],[[
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#ifdef ]AS_TR_CPP([HAVE_$2])[
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# include <$2>
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#endif
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]])])dnl
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])
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# PTW32_AC_NEED_FUNC( WITNESS, FUNCNAME )
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# ---------------------------------------
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# Add a WITNESS definition in config.h, if FUNCNAME is not provided
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# by the standard library, and a replacement must be provided.
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#
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AC_DEFUN([PTW32_AC_NEED_FUNC],dnl
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[AC_CHECK_FUNCS([$2],,[AC_DEFINE([$1],[1],[Define if you do not have $2])])dnl
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])
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# PTW32_AC_NEED_ERRNO
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# -------------------
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# Check if the host provides the <errno.h> header, and supports the
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# errno global symbol, otherwise, add a NEED_ERRNO request in config.h
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#
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AC_DEFUN([PTW32_AC_NEED_ERRNO],[dnl
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AC_CHECK_HEADERS_ONCE([errno.h])
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AC_MSG_CHECKING([for errno])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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#ifdef HAVE_ERRNO_H
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# include <errno.h>
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#endif
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int main(){ return errno; }
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]])],dnl
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[AC_MSG_RESULT([yes])],dnl
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[AC_DEFINE([NEED_ERRNO],[1],[Define if you do not have errno])
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AC_MSG_RESULT([no])dnl
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])
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])
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# PTW32_AC_CHECK_WINAPI_FUNC( FUNCNAME, ARGUMENTS, ... )
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# ------------------------------------------------------
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# Check if the WinAPI function FUNCNAME is available on the host;
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# unlike __cdecl functions, which can be detected by AC_CHECK_FUNCS,
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# WinAPI functions need a full argument list specification in the
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# function call. (Additional 3rd and 4th arguments provide for
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# qualification of the yes/no messages, respectively; they may
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# be exploited, for example, to add config.h annotations).
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#
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AC_DEFUN([PTW32_AC_CHECK_WINAPI_FUNC],
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[AC_MSG_CHECKING([for $1])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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#include <windows.h>
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int APIENTRY WinMain(HINSTANCE curr, HINSTANCE prev, LPSTR argv, int mode)
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{ (void)($1($2)); return 0; }
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]])],dnl
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[AC_MSG_RESULT([yes])$3],
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[AC_MSG_RESULT([no])$4
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])
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])
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# PTW32_AC_NEED_WINAPI_FUNC( FUNCNAME, ARGUMENTS )
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# ------------------------------------------------
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# Check if WinAPI function FUNCNAME is available on the host; add a
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# NEED_FUNCNAME annotation in config.h, if it is not.
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#
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AC_DEFUN([PTW32_AC_NEED_WINAPI_FUNC],
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[PTW32_AC_CHECK_WINAPI_FUNC([$1],[$2],,dnl
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[AC_DEFINE(AS_TR_CPP([NEED_$1]),[1],[Define if $1 is unsupported])dnl
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])
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])
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# PTW32_AC_CHECK_CPU_AFFINITY
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# ---------------------------
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# Check if the host supports the GetProcessAffinityMask() WinAPI
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# function; (all Windows versions since Win95 should, but WinCE may
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# not). Add the HAVE_CPU_AFFINITY annotation in config.h, for hosts
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# which do have this support.
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#
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AC_DEFUN([PTW32_AC_CHECK_CPU_AFFINITY],
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[PTW32_AC_CHECK_WINAPI_FUNC([GetProcessAffinityMask],[NULL,NULL,NULL],dnl
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[AC_DEFINE([HAVE_CPU_AFFINITY],[1],[Define if CPU_AFFINITY is supported])dnl
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])
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])
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