71 lines
2.3 KiB
Text
71 lines
2.3 KiB
Text
# pthread-thread.m4
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# serial 3
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dnl Copyright (C) 2019-2025 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This file is offered as-is, without any warranty.
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AC_DEFUN([gl_PTHREAD_THREAD],
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[
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AC_REQUIRE([gl_PTHREAD_H])
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AC_REQUIRE([AC_CANONICAL_HOST])
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if { case "$host_os" in mingw* | windows*) true;; *) false;; esac; } \
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&& test $gl_threads_api = windows; then
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dnl Choose function names that don't conflict with the mingw-w64 winpthreads
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dnl library.
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REPLACE_PTHREAD_CREATE=1
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REPLACE_PTHREAD_ATTR_INIT=1
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REPLACE_PTHREAD_ATTR_GETDETACHSTATE=1
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REPLACE_PTHREAD_ATTR_SETDETACHSTATE=1
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REPLACE_PTHREAD_ATTR_DESTROY=1
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REPLACE_PTHREAD_SELF=1
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REPLACE_PTHREAD_EQUAL=1
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REPLACE_PTHREAD_DETACH=1
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REPLACE_PTHREAD_JOIN=1
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REPLACE_PTHREAD_EXIT=1
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else
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if test $HAVE_PTHREAD_H = 0; then
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HAVE_PTHREAD_CREATE=0
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HAVE_PTHREAD_ATTR_INIT=0
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HAVE_PTHREAD_ATTR_GETDETACHSTATE=0
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HAVE_PTHREAD_ATTR_SETDETACHSTATE=0
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HAVE_PTHREAD_ATTR_DESTROY=0
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HAVE_PTHREAD_SELF=0
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HAVE_PTHREAD_EQUAL=0
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HAVE_PTHREAD_DETACH=0
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HAVE_PTHREAD_JOIN=0
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HAVE_PTHREAD_EXIT=0
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else
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dnl On HP-UX 11.11, pthread_create() and pthread_attr_init() are only
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dnl defined as inline functions.
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AC_CACHE_CHECK([whether pthread_create exists as a global function],
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[gl_cv_func_pthread_create],
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[saved_LIBS="$LIBS"
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LIBS="$LIBS $LIBPMULTITHREAD"
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AC_LINK_IFELSE(
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[AC_LANG_SOURCE(
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[[extern
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#ifdef __cplusplus
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"C"
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#endif
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int pthread_create (void);
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int main ()
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{
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return pthread_create ();
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}
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]])],
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[gl_cv_func_pthread_create=yes],
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[gl_cv_func_pthread_create=no])
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LIBS="$saved_LIBS"
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])
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if test $gl_cv_func_pthread_create = no; then
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REPLACE_PTHREAD_CREATE=1
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REPLACE_PTHREAD_ATTR_INIT=1
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AC_DEFINE([PTHREAD_CREATE_IS_INLINE], [1],
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[Define if pthread_create is an inline function.])
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fi
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fi
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fi
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])
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