| 1 | # pthread-thread.m4 serial 2
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| 2 | dnl Copyright (C) 2019-2021 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | AC_DEFUN([gl_PTHREAD_THREAD],
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| 8 | [
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| 9 | AC_REQUIRE([gl_PTHREAD_H])
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| 10 | AC_REQUIRE([AC_CANONICAL_HOST])
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| 11 |
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| 12 | if { case "$host_os" in mingw*) true;; *) false;; esac; } \
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| 13 | && test $gl_threads_api = windows; then
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| 14 | dnl Choose function names that don't conflict with the mingw-w64 winpthreads
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| 15 | dnl library.
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| 16 | REPLACE_PTHREAD_CREATE=1
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| 17 | REPLACE_PTHREAD_ATTR_INIT=1
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| 18 | REPLACE_PTHREAD_ATTR_GETDETACHSTATE=1
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| 19 | REPLACE_PTHREAD_ATTR_SETDETACHSTATE=1
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| 20 | REPLACE_PTHREAD_ATTR_DESTROY=1
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| 21 | REPLACE_PTHREAD_SELF=1
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| 22 | REPLACE_PTHREAD_EQUAL=1
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| 23 | REPLACE_PTHREAD_DETACH=1
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| 24 | REPLACE_PTHREAD_JOIN=1
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| 25 | REPLACE_PTHREAD_EXIT=1
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| 26 | else
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| 27 | if test $HAVE_PTHREAD_H = 0; then
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| 28 | HAVE_PTHREAD_CREATE=0
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| 29 | HAVE_PTHREAD_ATTR_INIT=0
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| 30 | HAVE_PTHREAD_ATTR_GETDETACHSTATE=0
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| 31 | HAVE_PTHREAD_ATTR_SETDETACHSTATE=0
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| 32 | HAVE_PTHREAD_ATTR_DESTROY=0
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| 33 | HAVE_PTHREAD_SELF=0
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| 34 | HAVE_PTHREAD_EQUAL=0
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| 35 | HAVE_PTHREAD_DETACH=0
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| 36 | HAVE_PTHREAD_JOIN=0
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| 37 | HAVE_PTHREAD_EXIT=0
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| 38 | else
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| 39 | dnl On HP-UX 11.11, pthread_create() and pthread_attr_init() are only
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| 40 | dnl defined as inline functions.
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| 41 | AC_CACHE_CHECK([whether pthread_create exists as a global function],
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| 42 | [gl_cv_func_pthread_create],
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| 43 | [saved_LIBS="$LIBS"
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| 44 | LIBS="$LIBS $LIBPMULTITHREAD"
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| 45 | AC_LINK_IFELSE(
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| 46 | [AC_LANG_SOURCE(
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| 47 | [[extern
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| 48 | #ifdef __cplusplus
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| 49 | "C"
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| 50 | #endif
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| 51 | int pthread_create (void);
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| 52 | int main ()
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| 53 | {
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| 54 | return pthread_create ();
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| 55 | }
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| 56 | ]])],
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| 57 | [gl_cv_func_pthread_create=yes],
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| 58 | [gl_cv_func_pthread_create=no])
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| 59 | LIBS="$saved_LIBS"
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| 60 | ])
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| 61 | if test $gl_cv_func_pthread_create = no; then
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| 62 | REPLACE_PTHREAD_CREATE=1
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| 63 | REPLACE_PTHREAD_ATTR_INIT=1
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| 64 | AC_DEFINE([PTHREAD_CREATE_IS_INLINE], [1],
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| 65 | [Define if pthread_create is an inline function.])
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| 66 | fi
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| 67 | fi
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| 68 | fi
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| 69 | ])
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