Use AX_PTHREAD instead of ACX_PTHREAD
configure.ac:304: warning: The macro `ACX_PTHREAD' is obsolete. configure.ac:304: You should run autoupdate. m4/ax_pthread.m4:87: ACX_PTHREAD is expanded from...
This commit is contained in:
parent
628ead7e41
commit
3656b478f0
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@ -294,7 +294,7 @@ if test "${WIN32}" = "no"; then
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)
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dnl Special check for pthread support.
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ACX_PTHREAD(
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AX_PTHREAD(
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[AC_DEFINE(
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[HAVE_PTHREAD],
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[1],
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@ -1,10 +1,10 @@
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# ===========================================================================
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# http://autoconf-archive.cryp.to/acx_pthread.html
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# http://www.gnu.org/software/autoconf-archive/ax_pthread.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# ACX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
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# AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
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#
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# DESCRIPTION
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#
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@ -25,14 +25,18 @@
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# If you are only building threads programs, you may wish to use these
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# variables in your default LIBS, CFLAGS, and CC:
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#
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# LIBS="$PTHREAD_LIBS $LIBS"
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# CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
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# CC="$PTHREAD_CC"
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# LIBS="$PTHREAD_LIBS $LIBS"
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# CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
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# CC="$PTHREAD_CC"
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#
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# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
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# has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name
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# (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
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#
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# Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
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# PTHREAD_PRIO_INHERIT symbol is defined when compiling with
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# PTHREAD_CFLAGS.
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#
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# ACTION-IF-FOUND is a list of shell commands to run if a threads library
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# is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it
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# is not found. If ACTION-IF-FOUND is not specified, the default action
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@ -45,13 +49,12 @@
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# Alejandro Forero Cuervo to the autoconf macro repository. We are also
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# grateful for the helpful feedback of numerous users.
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#
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# LAST MODIFICATION
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# Updated for Autoconf 2.68 by Daniel Richard G.
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#
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# 2008-04-12
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#
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# COPYLEFT
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# LICENSE
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#
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# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
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# Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG>
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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@ -75,15 +78,17 @@
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Macro Archive. When you make and
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# distribute a modified version of the Autoconf Macro, you may extend this
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# special exception to the GPL to apply to your modified version as well.
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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AC_DEFUN([ACX_PTHREAD], [
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#serial 18
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AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
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AC_DEFUN([AX_PTHREAD], [
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AC_REQUIRE([AC_CANONICAL_HOST])
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AC_LANG_SAVE
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AC_LANG_C
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acx_pthread_ok=no
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AC_LANG_PUSH([C])
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ax_pthread_ok=no
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# We used to check for pthread.h first, but this fails if pthread.h
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# requires special compiler flags (e.g. on True64 or Sequent).
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@ -98,9 +103,9 @@ if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
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save_LIBS="$LIBS"
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LIBS="$PTHREAD_LIBS $LIBS"
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AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
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AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes)
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AC_MSG_RESULT($acx_pthread_ok)
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if test x"$acx_pthread_ok" = xno; then
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AC_TRY_LINK_FUNC(pthread_join, ax_pthread_ok=yes)
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AC_MSG_RESULT($ax_pthread_ok)
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if test x"$ax_pthread_ok" = xno; then
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PTHREAD_LIBS=""
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PTHREAD_CFLAGS=""
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fi
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@ -118,7 +123,7 @@ fi
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# which indicates that we try without any flags at all, and "pthread-config"
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# which is a program returning the flags for the Pth emulation library.
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acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
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ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
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# The ordering *is* (sometimes) important. Some notes on the
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# individual items follow:
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@ -140,8 +145,8 @@ acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -m
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# --thread-safe: KAI C++
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# pthread-config: use pthread-config program (for GNU Pth library)
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case "${host_cpu}-${host_os}" in
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*solaris*)
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case ${host_os} in
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solaris*)
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# On Solaris (at least, for some versions), libc contains stubbed
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# (non-functional) versions of the pthreads routines, so link-based
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@ -151,12 +156,16 @@ case "${host_cpu}-${host_os}" in
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# who knows whether they'll stub that too in a future libc.) So,
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# we'll just look for -pthreads and -lpthread first:
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acx_pthread_flags="-pthreads pthread -mt -pthread $acx_pthread_flags"
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ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
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;;
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darwin*)
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ax_pthread_flags="-pthread $ax_pthread_flags"
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;;
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esac
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if test x"$acx_pthread_ok" = xno; then
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for flag in $acx_pthread_flags; do
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if test x"$ax_pthread_ok" = xno; then
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for flag in $ax_pthread_flags; do
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case $flag in
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none)
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@ -168,12 +177,12 @@ for flag in $acx_pthread_flags; do
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PTHREAD_CFLAGS="$flag"
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;;
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pthread-config)
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AC_CHECK_PROG(acx_pthread_config, pthread-config, yes, no)
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if test x"$acx_pthread_config" = xno; then continue; fi
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PTHREAD_CFLAGS="`pthread-config --cflags`"
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PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
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;;
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pthread-config)
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AC_CHECK_PROG(ax_pthread_config, pthread-config, yes, no)
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if test x"$ax_pthread_config" = xno; then continue; fi
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PTHREAD_CFLAGS="`pthread-config --cflags`"
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PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
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;;
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*)
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AC_MSG_CHECKING([for the pthreads library -l$flag])
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# pthread_cleanup_push because it is one of the few pthread
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# functions on Solaris that doesn't have a non-functional libc stub.
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# We try pthread_create on general principles.
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AC_TRY_LINK([#include <pthread.h>],
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[pthread_t th; pthread_join(th, 0);
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pthread_attr_init(0); pthread_cleanup_push(0, 0);
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pthread_create(0,0,0,0); pthread_cleanup_pop(0); ],
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[acx_pthread_ok=yes])
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AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
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static void routine(void *a) { a = 0; }
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static void *start_routine(void *a) { return a; }],
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[pthread_t th; pthread_attr_t attr;
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pthread_create(&th, 0, start_routine, 0);
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pthread_join(th, 0);
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pthread_attr_init(&attr);
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pthread_cleanup_push(routine, 0);
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pthread_cleanup_pop(0) /* ; */])],
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[ax_pthread_ok=yes],
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[])
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LIBS="$save_LIBS"
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CFLAGS="$save_CFLAGS"
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AC_MSG_RESULT($acx_pthread_ok)
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if test "x$acx_pthread_ok" = xyes; then
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AC_MSG_RESULT($ax_pthread_ok)
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if test "x$ax_pthread_ok" = xyes; then
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break;
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fi
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fi
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# Various other checks:
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if test "x$acx_pthread_ok" = xyes; then
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if test "x$ax_pthread_ok" = xyes; then
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save_LIBS="$LIBS"
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LIBS="$PTHREAD_LIBS $LIBS"
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save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
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# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
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AC_MSG_CHECKING([for joinable pthread attribute])
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attr_name=unknown
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for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
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AC_TRY_LINK([#include <pthread.h>], [int attr=$attr; return attr;],
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[attr_name=$attr; break])
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done
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AC_MSG_CHECKING([for joinable pthread attribute])
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attr_name=unknown
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for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
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AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
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[int attr = $attr; return attr /* ; */])],
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[attr_name=$attr; break],
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[])
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done
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AC_MSG_RESULT($attr_name)
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if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
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AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name,
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AC_MSG_CHECKING([if more special flags are required for pthreads])
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flag=no
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case "${host_cpu}-${host_os}" in
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*-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
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*solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";;
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case ${host_os} in
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aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
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osf* | hpux*) flag="-D_REENTRANT";;
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solaris*)
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if test "$GCC" = "yes"; then
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flag="-D_REENTRANT"
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else
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flag="-mt -D_REENTRANT"
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fi
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;;
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esac
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AC_MSG_RESULT(${flag})
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if test "x$flag" != xno; then
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PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
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fi
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AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
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ax_cv_PTHREAD_PRIO_INHERIT, [
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[#include <pthread.h>]], [[int i = PTHREAD_PRIO_INHERIT;]])],
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[ax_cv_PTHREAD_PRIO_INHERIT=yes],
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[ax_cv_PTHREAD_PRIO_INHERIT=no])
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])
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AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
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AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], 1, [Have PTHREAD_PRIO_INHERIT.]))
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LIBS="$save_LIBS"
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CFLAGS="$save_CFLAGS"
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# More AIX lossage: must compile with xlc_r or cc_r
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if test x"$GCC" != xyes; then
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if test x"$GCC" != xyes; then
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AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC})
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else
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PTHREAD_CC=$CC
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fi
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fi
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else
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PTHREAD_CC="$CC"
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fi
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AC_SUBST(PTHREAD_CC)
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# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
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if test x"$acx_pthread_ok" = xyes; then
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if test x"$ax_pthread_ok" = xyes; then
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ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
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:
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else
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acx_pthread_ok=no
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ax_pthread_ok=no
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$2
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fi
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AC_LANG_RESTORE
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])dnl ACX_PTHREAD
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AC_LANG_POP
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])dnl AX_PTHREAD
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