annotate m4/acx_pthread.m4 @ 321:cd8dc65b9895 stable-0-6-57

bump version number
author Carl Byington <carl@five-ten-sg.com>
date Thu, 27 Dec 2012 12:48:58 -0800
parents 5a82d41c883d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
246
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1 ##### http://autoconf-archive.cryp.to/acx_pthread.html
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
2 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
3 # SYNOPSIS
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
4 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
5 # ACX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
6 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
7 # DESCRIPTION
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
8 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
9 # This macro figures out how to build C programs using POSIX threads.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
10 # It sets the PTHREAD_LIBS output variable to the threads library and
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
11 # linker flags, and the PTHREAD_CFLAGS output variable to any special
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
12 # C compiler flags that are needed. (The user can also force certain
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
13 # compiler flags/libs to be tested by setting these environment
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
14 # variables.)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
15 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
16 # Also sets PTHREAD_CC to any special C compiler that is needed for
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
17 # multi-threaded programs (defaults to the value of CC otherwise).
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
18 # (This is necessary on AIX to use the special cc_r compiler alias.)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
19 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
20 # NOTE: You are assumed to not only compile your program with these
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
21 # flags, but also link it with them as well. e.g. you should link
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
22 # with $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
23 # $LIBS
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
24 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
25 # If you are only building threads programs, you may wish to use
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
26 # these variables in your default LIBS, CFLAGS, and CC:
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
27 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
28 # LIBS="$PTHREAD_LIBS $LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
29 # CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
30 # CC="$PTHREAD_CC"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
31 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
32 # In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
33 # constant has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
34 # that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
35 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
36 # ACTION-IF-FOUND is a list of shell commands to run if a threads
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
37 # library is found, and ACTION-IF-NOT-FOUND is a list of commands to
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
38 # run it if it is not found. If ACTION-IF-FOUND is not specified, the
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
39 # default action will define HAVE_PTHREAD.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
40 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
41 # Please let the authors know if this macro fails on any platform, or
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
42 # if you have any other suggestions or comments. This macro was based
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
43 # on work by SGJ on autoconf scripts for FFTW (http://www.fftw.org/)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
44 # (with help from M. Frigo), as well as ac_pthread and hb_pthread
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
45 # macros posted by Alejandro Forero Cuervo to the autoconf macro
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
46 # repository. We are also grateful for the helpful feedback of
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
47 # numerous users.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
48 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
49 # LAST MODIFICATION
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
50 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
51 # 2006-05-29
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
52 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
53 # COPYLEFT
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
54 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
55 # Copyright (c) 2006 Steven G. Johnson <stevenj@alum.mit.edu>
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
56 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
57 # This program is free software; you can redistribute it and/or
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
58 # modify it under the terms of the GNU General Public License as
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
59 # published by the Free Software Foundation; either version 2 of the
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
60 # License, or (at your option) any later version.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
61 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
62 # This program is distributed in the hope that it will be useful, but
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
63 # WITHOUT ANY WARRANTY; without even the implied warranty of
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
64 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
65 # General Public License for more details.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
66 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
67 # You should have received a copy of the GNU General Public License
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
68 # along with this program; if not, write to the Free Software
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
69 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
70 # 02111-1307, USA.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
71 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
72 # As a special exception, the respective Autoconf Macro's copyright
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
73 # owner gives unlimited permission to copy, distribute and modify the
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
74 # configure scripts that are the output of Autoconf when processing
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
75 # the Macro. You need not follow the terms of the GNU General Public
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
76 # License when using or distributing such scripts, even though
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
77 # portions of the text of the Macro appear in them. The GNU General
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
78 # Public License (GPL) does govern all other use of the material that
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
79 # constitutes the Autoconf Macro.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
80 #
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
81 # This special exception to the GPL applies to versions of the
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
82 # Autoconf Macro released by the Autoconf Macro Archive. When you
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
83 # make and distribute a modified version of the Autoconf Macro, you
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
84 # may extend this special exception to the GPL to apply to your
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
85 # modified version as well.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
86
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
87 AC_DEFUN([ACX_PTHREAD], [
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
88 AC_REQUIRE([AC_CANONICAL_HOST])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
89 AC_LANG_SAVE
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
90 AC_LANG_C
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
91 acx_pthread_ok=no
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
92
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
93 # We used to check for pthread.h first, but this fails if pthread.h
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
94 # requires special compiler flags (e.g. on True64 or Sequent).
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
95 # It gets checked for in the link test anyway.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
96
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
97 # First of all, check if the user has set any of the PTHREAD_LIBS,
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
98 # etcetera environment variables, and if threads linking works using
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
99 # them:
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
100 if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
101 save_CFLAGS="$CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
102 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
103 save_LIBS="$LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
104 LIBS="$PTHREAD_LIBS $LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
105 AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
106 AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
107 AC_MSG_RESULT($acx_pthread_ok)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
108 if test x"$acx_pthread_ok" = xno; then
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
109 PTHREAD_LIBS=""
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
110 PTHREAD_CFLAGS=""
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
111 fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
112 LIBS="$save_LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
113 CFLAGS="$save_CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
114 fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
115
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
116 # We must check for the threads library under a number of different
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
117 # names; the ordering is very important because some systems
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
118 # (e.g. DEC) have both -lpthread and -lpthreads, where one of the
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
119 # libraries is broken (non-POSIX).
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
120
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
121 # Create a list of thread flags to try. Items starting with a "-" are
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
122 # C compiler flags, and other items are library names, except for "none"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
123 # which indicates that we try without any flags at all, and "pthread-config"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
124 # which is a program returning the flags for the Pth emulation library.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
125
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
126 acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
127
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
128 # The ordering *is* (sometimes) important. Some notes on the
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
129 # individual items follow:
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
130
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
131 # pthreads: AIX (must check this before -lpthread)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
132 # none: in case threads are in libc; should be tried before -Kthread and
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
133 # other compiler flags to prevent continual compiler warnings
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
134 # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
135 # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
136 # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
137 # -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
138 # -pthreads: Solaris/gcc
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
139 # -mthreads: Mingw32/gcc, Lynx/gcc
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
140 # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
141 # doesn't hurt to check since this sometimes defines pthreads too;
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
142 # also defines -D_REENTRANT)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
143 # ... -mt is also the pthreads flag for HP/aCC
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
144 # pthread: Linux, etcetera
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
145 # --thread-safe: KAI C++
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
146 # pthread-config: use pthread-config program (for GNU Pth library)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
147
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
148 case "${host_cpu}-${host_os}" in
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
149 *solaris*)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
150
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
151 # On Solaris (at least, for some versions), libc contains stubbed
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
152 # (non-functional) versions of the pthreads routines, so link-based
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
153 # tests will erroneously succeed. (We need to link with -pthreads/-mt/
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
154 # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
155 # a function called by this macro, so we could check for that, but
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
156 # who knows whether they'll stub that too in a future libc.) So,
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
157 # we'll just look for -pthreads and -lpthread first:
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
158
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
159 acx_pthread_flags="-pthreads pthread -mt -pthread $acx_pthread_flags"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
160 ;;
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
161 esac
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
162
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
163 if test x"$acx_pthread_ok" = xno; then
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
164 for flag in $acx_pthread_flags; do
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
165
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
166 case $flag in
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
167 none)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
168 AC_MSG_CHECKING([whether pthreads work without any flags])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
169 ;;
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
170
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
171 -*)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
172 AC_MSG_CHECKING([whether pthreads work with $flag])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
173 PTHREAD_CFLAGS="$flag"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
174 ;;
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
175
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
176 pthread-config)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
177 AC_CHECK_PROG(acx_pthread_config, pthread-config, yes, no)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
178 if test x"$acx_pthread_config" = xno; then continue; fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
179 PTHREAD_CFLAGS="`pthread-config --cflags`"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
180 PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
181 ;;
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
182
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
183 *)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
184 AC_MSG_CHECKING([for the pthreads library -l$flag])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
185 PTHREAD_LIBS="-l$flag"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
186 ;;
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
187 esac
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
188
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
189 save_LIBS="$LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
190 save_CFLAGS="$CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
191 LIBS="$PTHREAD_LIBS $LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
192 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
193
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
194 # Check for various functions. We must include pthread.h,
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
195 # since some functions may be macros. (On the Sequent, we
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
196 # need a special flag -Kthread to make this header compile.)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
197 # We check for pthread_join because it is in -lpthread on IRIX
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
198 # while pthread_create is in libc. We check for pthread_attr_init
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
199 # due to DEC craziness with -lpthreads. We check for
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
200 # pthread_cleanup_push because it is one of the few pthread
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
201 # functions on Solaris that doesn't have a non-functional libc stub.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
202 # We try pthread_create on general principles.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
203 AC_TRY_LINK([#include <pthread.h>],
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
204 [pthread_t th; pthread_join(th, 0);
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
205 pthread_attr_init(0); pthread_cleanup_push(0, 0);
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
206 pthread_create(0,0,0,0); pthread_cleanup_pop(0); ],
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
207 [acx_pthread_ok=yes])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
208
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
209 LIBS="$save_LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
210 CFLAGS="$save_CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
211
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
212 AC_MSG_RESULT($acx_pthread_ok)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
213 if test "x$acx_pthread_ok" = xyes; then
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
214 break;
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
215 fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
216
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
217 PTHREAD_LIBS=""
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
218 PTHREAD_CFLAGS=""
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
219 done
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
220 fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
221
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
222 # Various other checks:
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
223 if test "x$acx_pthread_ok" = xyes; then
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
224 save_LIBS="$LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
225 LIBS="$PTHREAD_LIBS $LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
226 save_CFLAGS="$CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
227 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
228
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
229 # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
230 AC_MSG_CHECKING([for joinable pthread attribute])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
231 attr_name=unknown
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
232 for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
233 AC_TRY_LINK([#include <pthread.h>], [int attr=$attr; return attr;],
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
234 [attr_name=$attr; break])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
235 done
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
236 AC_MSG_RESULT($attr_name)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
237 if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
238 AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name,
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
239 [Define to necessary symbol if this constant
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
240 uses a non-standard name on your system.])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
241 fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
242
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
243 AC_MSG_CHECKING([if more special flags are required for pthreads])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
244 flag=no
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
245 case "${host_cpu}-${host_os}" in
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
246 *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
247 *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";;
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
248 esac
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
249 AC_MSG_RESULT(${flag})
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
250 if test "x$flag" != xno; then
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
251 PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
252 fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
253
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
254 LIBS="$save_LIBS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
255 CFLAGS="$save_CFLAGS"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
256
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
257 # More AIX lossage: must compile with xlc_r or cc_r
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
258 if test x"$GCC" != xyes; then
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
259 AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC})
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
260 else
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
261 PTHREAD_CC=$CC
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
262 fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
263 else
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
264 PTHREAD_CC="$CC"
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
265 fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
266
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
267 AC_SUBST(PTHREAD_LIBS)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
268 AC_SUBST(PTHREAD_CFLAGS)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
269 AC_SUBST(PTHREAD_CC)
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
270
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
271 # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
272 if test x"$acx_pthread_ok" = xyes; then
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
273 ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
274 :
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
275 else
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
276 acx_pthread_ok=no
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
277 $2
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
278 fi
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
279 AC_LANG_RESTORE
5a82d41c883d patches from Kenneth Berland for solaris
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
280 ])dnl ACX_PTHREAD