diff options
Diffstat (limited to 'gnulib/import/m4/threadlib.m4')
| -rw-r--r-- | gnulib/import/m4/threadlib.m4 | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/gnulib/import/m4/threadlib.m4 b/gnulib/import/m4/threadlib.m4 index 94441f680f5..20b383a88e8 100644 --- a/gnulib/import/m4/threadlib.m4 +++ b/gnulib/import/m4/threadlib.m4 @@ -1,5 +1,5 @@ -# threadlib.m4 serial 27 -dnl Copyright (C) 2005-2020 Free Software Foundation, Inc. +# threadlib.m4 serial 29 +dnl Copyright (C) 2005-2021 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. @@ -398,8 +398,8 @@ AC_DEFUN([gl_THREADLIB_EARLY_BODY], [m4_divert_text([DEFAULTS], [gl_use_threads_default=])]) m4_divert_text([DEFAULTS], [gl_use_winpthreads_default=]) AC_ARG_ENABLE([threads], -AC_HELP_STRING([--enable-threads={isoc|posix|isoc+posix|windows}], [specify multithreading API])m4_ifdef([gl_THREADLIB_DEFAULT_NO], [], [ -AC_HELP_STRING([--disable-threads], [build without multithread safety])]), +AS_HELP_STRING([--enable-threads={isoc|posix|isoc+posix|windows}], [specify multithreading API])m4_ifdef([gl_THREADLIB_DEFAULT_NO], [], [ +AS_HELP_STRING([--disable-threads], [build without multithread safety])]), [gl_use_threads=$enableval], [if test -n "$gl_use_threads_default"; then gl_use_threads="$gl_use_threads_default" @@ -486,6 +486,17 @@ AC_DEFUN([gl_THREADLIB_BODY], AC_DEFINE([USE_POSIX_THREADS_WEAK], [1], [Define if references to the POSIX multithreading library should be made weak.]) LIBTHREAD= LTLIBTHREAD= + else + case "$host_os" in + freebsd* | dragonfly*) + if test "x$LIBTHREAD" != "x$LIBMULTITHREAD"; then + dnl If weak symbols can't tell whether pthread_create(), pthread_key_create() + dnl etc. will succeed, we need a runtime test. + AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD], [1], + [Define if the pthread_in_use() detection is hard.]) + fi + ;; + esac fi fi fi |