1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# pthread.m4 serial 3
dnl Copyright (C) 2009-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_PTHREAD_CHECK],
[
AC_REQUIRE([gl_PTHREAD_DEFAULTS])
gl_CHECK_NEXT_HEADERS([pthread.h])
if test $ac_cv_header_pthread_h = yes; then
HAVE_PTHREAD_H=1
else
HAVE_PTHREAD_H=0
fi
AC_CHECK_TYPES([pthread_t, pthread_spinlock_t], [], [],
[AC_INCLUDES_DEFAULT[
#if HAVE_PTHREAD_H
#include <pthread.h>
#endif]])
if test $ac_cv_type_pthread_t != yes; then
HAVE_PTHREAD_T=0
fi
if test $ac_cv_type_pthread_spinlock_t != yes; then
HAVE_PTHREAD_SPINLOCK_T=0
fi
if test $ac_cv_header_pthread_h != yes ||
test $ac_cv_type_pthread_t != yes ||
test $ac_cv_type_pthread_spinlock_t != yes; then
PTHREAD_H='pthread.h'
else
PTHREAD_H=
fi
AC_SUBST([PTHREAD_H])
AM_CONDITIONAL([GL_GENERATE_PTHREAD_H], [test -n "$PTHREAD_H"])
LIB_PTHREAD=
if test $ac_cv_header_pthread_h = yes; then
dnl We cannot use AC_SEARCH_LIBS here, because on OSF/1 5.1 pthread_join
dnl is defined as a macro which expands to __phread_join, and libpthread
dnl contains a definition for __phread_join but none for pthread_join.
AC_CACHE_CHECK([for library containing pthread_join],
[gl_cv_search_pthread_join],
[gl_saved_libs="$LIBS"
gl_cv_search_pthread_join=
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <pthread.h>]],
[[pthread_join (pthread_self (), (void **) 0);]])],
[gl_cv_search_pthread_join="none required"])
if test -z "$gl_cv_search_pthread_join"; then
LIBS="-lpthread $gl_saved_libs"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <pthread.h>]],
[[pthread_join (pthread_self (), (void **) 0);]])],
[gl_cv_search_pthread_join="-lpthread"])
fi
LIBS="$gl_saved_libs"
])
if test "$gl_cv_search_pthread_join" != "none required"; then
LIB_PTHREAD="$gl_cv_search_pthread_join"
fi
fi
AC_SUBST([LIB_PTHREAD])
AC_REQUIRE([AC_C_INLINE])
AC_REQUIRE([AC_C_RESTRICT])
])
AC_DEFUN([gl_PTHREAD_DEFAULTS],
[
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_PTHREAD_H=1; AC_SUBST([HAVE_PTHREAD_H])
HAVE_PTHREAD_T=1; AC_SUBST([HAVE_PTHREAD_T])
HAVE_PTHREAD_SPINLOCK_T=1; AC_SUBST([HAVE_PTHREAD_SPINLOCK_T])
])
|