From fded50a09ce68ca66cd323635a89bf0ec3f8fb59 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Mon, 6 May 2013 20:13:43 +0200 Subject: [PATCH] Refresh autoconf macros from autoconf-archive-2013.04.06 --- Make.mk | 2 +- configure.ac | 6 +- m4/acx_pthread.m4 | 280 ----------------------------------- m4/ax_lib_socket_nsl.m4 | 40 +++++ m4/ax_pthread.m4 | 317 ++++++++++++++++++++++++++++++++++++++++ m4/lib_socket_nsl.m4 | 38 ----- src/client/configure.ac | 2 +- 7 files changed, 362 insertions(+), 323 deletions(-) delete mode 100644 m4/acx_pthread.m4 create mode 100644 m4/ax_lib_socket_nsl.m4 create mode 100644 m4/ax_pthread.m4 delete mode 100644 m4/lib_socket_nsl.m4 diff --git a/Make.mk b/Make.mk index 05dda79bf..9e222218a 100644 --- a/Make.mk +++ b/Make.mk @@ -424,5 +424,5 @@ $(srcdir)/src/client/config.h.in: src/client/configure.ac src/client/aclocal.m4 cd $(dir $@) && autoheader touch $@ -$(srcdir)/src/client/aclocal.m4: m4/lib_socket_nsl.m4 m4/my_terminfo.m4 m4/my_windows_api.m4 +$(srcdir)/src/client/aclocal.m4: m4/ax_lib_socket_nsl.m4 m4/my_terminfo.m4 m4/my_windows_api.m4 cat $^ >$@ diff --git a/configure.ac b/configure.ac index 4c274be74..e18da8895 100644 --- a/configure.ac +++ b/configure.ac @@ -69,10 +69,10 @@ MY_WINDOWS_API ### Checks for libraries -ACX_PTHREAD +AX_PTHREAD LIBS_util="$LIBS" LIBS="$LIBS_SOCKETS $LIBS" -LIB_SOCKET_NSL +AX_LIB_SOCKET_NSL LIBS_server="$LIBS" @@ -109,7 +109,7 @@ AC_ARG_WITH([pthread], # Select thread package empthread= if test "$with_pthread" != no; then - if test "$acx_pthread_ok" = yes; then + if test "$ax_pthread_ok" = yes; then empthread=POSIX fi fi diff --git a/m4/acx_pthread.m4 b/m4/acx_pthread.m4 deleted file mode 100644 index 7ac8ffddc..000000000 --- a/m4/acx_pthread.m4 +++ /dev/null @@ -1,280 +0,0 @@ -##### http://autoconf-archive.cryp.to/acx_pthread.html -# -# SYNOPSIS -# -# ACX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) -# -# DESCRIPTION -# -# This macro figures out how to build C programs using POSIX threads. -# It sets the PTHREAD_LIBS output variable to the threads library and -# linker flags, and the PTHREAD_CFLAGS output variable to any special -# C compiler flags that are needed. (The user can also force certain -# compiler flags/libs to be tested by setting these environment -# variables.) -# -# Also sets PTHREAD_CC to any special C compiler that is needed for -# multi-threaded programs (defaults to the value of CC otherwise). -# (This is necessary on AIX to use the special cc_r compiler alias.) -# -# NOTE: You are assumed to not only compile your program with these -# flags, but also link it with them as well. e.g. you should link -# with $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS -# $LIBS -# -# If you are only building threads programs, you may wish to use -# these variables in your default LIBS, CFLAGS, and CC: -# -# LIBS="$PTHREAD_LIBS $LIBS" -# CFLAGS="$CFLAGS $PTHREAD_CFLAGS" -# CC="$PTHREAD_CC" -# -# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute -# constant has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to -# that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX). -# -# ACTION-IF-FOUND is a list of shell commands to run if a threads -# library is found, and ACTION-IF-NOT-FOUND is a list of commands to -# run it if it is not found. If ACTION-IF-FOUND is not specified, the -# default action will define HAVE_PTHREAD. -# -# Please let the authors know if this macro fails on any platform, or -# if you have any other suggestions or comments. This macro was based -# on work by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) -# (with help from M. Frigo), as well as ac_pthread and hb_pthread -# macros posted by Alejandro Forero Cuervo to the autoconf macro -# repository. We are also grateful for the helpful feedback of -# numerous users. -# -# LAST MODIFICATION -# -# 2006-05-29 -# -# COPYLEFT -# -# Copyright (c) 2006 Steven G. Johnson -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of the -# License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. -# -# As a special exception, the respective Autoconf Macro's copyright -# owner gives unlimited permission to copy, distribute and modify the -# configure scripts that are the output of Autoconf when processing -# the Macro. You need not follow the terms of the GNU General Public -# License when using or distributing such scripts, even though -# portions of the text of the Macro appear in them. The GNU General -# Public License (GPL) does govern all other use of the material that -# constitutes the Autoconf Macro. -# -# This special exception to the GPL applies to versions of the -# Autoconf Macro released by the Autoconf Macro Archive. When you -# make and distribute a modified version of the Autoconf Macro, you -# may extend this special exception to the GPL to apply to your -# modified version as well. - -AC_DEFUN([ACX_PTHREAD], [ -AC_REQUIRE([AC_CANONICAL_HOST]) -AC_LANG_SAVE -AC_LANG_C -acx_pthread_ok=no - -# We used to check for pthread.h first, but this fails if pthread.h -# requires special compiler flags (e.g. on True64 or Sequent). -# It gets checked for in the link test anyway. - -# First of all, check if the user has set any of the PTHREAD_LIBS, -# etcetera environment variables, and if threads linking works using -# them: -if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then - save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS" - save_LIBS="$LIBS" - LIBS="$PTHREAD_LIBS $LIBS" - AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS]) - AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes) - AC_MSG_RESULT($acx_pthread_ok) - if test x"$acx_pthread_ok" = xno; then - PTHREAD_LIBS="" - PTHREAD_CFLAGS="" - fi - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" -fi - -# We must check for the threads library under a number of different -# names; the ordering is very important because some systems -# (e.g. DEC) have both -lpthread and -lpthreads, where one of the -# libraries is broken (non-POSIX). - -# Create a list of thread flags to try. Items starting with a "-" are -# C compiler flags, and other items are library names, except for "none" -# which indicates that we try without any flags at all, and "pthread-config" -# which is a program returning the flags for the Pth emulation library. - -acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" - -# The ordering *is* (sometimes) important. Some notes on the -# individual items follow: - -# pthreads: AIX (must check this before -lpthread) -# none: in case threads are in libc; should be tried before -Kthread and -# other compiler flags to prevent continual compiler warnings -# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) -# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) -# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) -# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) -# -pthreads: Solaris/gcc -# -mthreads: Mingw32/gcc, Lynx/gcc -# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it -# doesn't hurt to check since this sometimes defines pthreads too; -# also defines -D_REENTRANT) -# ... -mt is also the pthreads flag for HP/aCC -# pthread: Linux, etcetera -# --thread-safe: KAI C++ -# pthread-config: use pthread-config program (for GNU Pth library) - -case "${host_cpu}-${host_os}" in - *solaris*) - - # On Solaris (at least, for some versions), libc contains stubbed - # (non-functional) versions of the pthreads routines, so link-based - # tests will erroneously succeed. (We need to link with -pthreads/-mt/ - # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather - # a function called by this macro, so we could check for that, but - # who knows whether they'll stub that too in a future libc.) So, - # we'll just look for -pthreads and -lpthread first: - - acx_pthread_flags="-pthreads pthread -mt -pthread $acx_pthread_flags" - ;; -esac - -if test x"$acx_pthread_ok" = xno; then -for flag in $acx_pthread_flags; do - - case $flag in - none) - AC_MSG_CHECKING([whether pthreads work without any flags]) - ;; - - -*) - AC_MSG_CHECKING([whether pthreads work with $flag]) - PTHREAD_CFLAGS="$flag" - ;; - - pthread-config) - AC_CHECK_PROG(acx_pthread_config, pthread-config, yes, no) - if test x"$acx_pthread_config" = xno; then continue; fi - PTHREAD_CFLAGS="`pthread-config --cflags`" - PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" - ;; - - *) - AC_MSG_CHECKING([for the pthreads library -l$flag]) - PTHREAD_LIBS="-l$flag" - ;; - esac - - save_LIBS="$LIBS" - save_CFLAGS="$CFLAGS" - LIBS="$PTHREAD_LIBS $LIBS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS" - - # Check for various functions. We must include pthread.h, - # since some functions may be macros. (On the Sequent, we - # need a special flag -Kthread to make this header compile.) - # We check for pthread_join because it is in -lpthread on IRIX - # while pthread_create is in libc. We check for pthread_attr_init - # due to DEC craziness with -lpthreads. We check for - # pthread_cleanup_push because it is one of the few pthread - # functions on Solaris that doesn't have a non-functional libc stub. - # We try pthread_create on general principles. - AC_TRY_LINK([#include ], - [pthread_t th; pthread_join(th, 0); - pthread_attr_init(0); pthread_cleanup_push(0, 0); - pthread_create(0,0,0,0); pthread_cleanup_pop(0); ], - [acx_pthread_ok=yes]) - - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" - - AC_MSG_RESULT($acx_pthread_ok) - if test "x$acx_pthread_ok" = xyes; then - break; - fi - - PTHREAD_LIBS="" - PTHREAD_CFLAGS="" -done -fi - -# Various other checks: -if test "x$acx_pthread_ok" = xyes; then - save_LIBS="$LIBS" - LIBS="$PTHREAD_LIBS $LIBS" - save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS" - - # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. - AC_MSG_CHECKING([for joinable pthread attribute]) - attr_name=unknown - for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do - AC_TRY_LINK([#include ], [int attr=$attr; return attr;], - [attr_name=$attr; break]) - done - AC_MSG_RESULT($attr_name) - if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then - AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name, - [Define to necessary symbol if this constant - uses a non-standard name on your system.]) - fi - - AC_MSG_CHECKING([if more special flags are required for pthreads]) - flag=no - case "${host_cpu}-${host_os}" in - *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";; - *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";; - esac - AC_MSG_RESULT(${flag}) - if test "x$flag" != xno; then - PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" - fi - - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" - - # More AIX lossage: must compile with xlc_r or cc_r - if test x"$GCC" != xyes; then - AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC}) - else - PTHREAD_CC=$CC - fi -else - PTHREAD_CC="$CC" -fi - -AC_SUBST(PTHREAD_LIBS) -AC_SUBST(PTHREAD_CFLAGS) -AC_SUBST(PTHREAD_CC) - -# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: -if test x"$acx_pthread_ok" = xyes; then - ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1]) - : -else - acx_pthread_ok=no - $2 -fi -AC_LANG_RESTORE -])dnl ACX_PTHREAD diff --git a/m4/ax_lib_socket_nsl.m4 b/m4/ax_lib_socket_nsl.m4 new file mode 100644 index 000000000..058e97515 --- /dev/null +++ b/m4/ax_lib_socket_nsl.m4 @@ -0,0 +1,40 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_lib_socket_nsl.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_LIB_SOCKET_NSL +# +# DESCRIPTION +# +# This macro figures out what libraries are required on this platform to +# link sockets programs. +# +# The common cases are not to need any extra libraries, or to need +# -lsocket and -lnsl. We need to avoid linking with libnsl unless we need +# it, though, since on some OSes where it isn't necessary it will totally +# break networking. Unisys also includes gethostbyname() in libsocket but +# needs libnsl for socket(). +# +# LICENSE +# +# Copyright (c) 2008 Russ Allbery +# Copyright (c) 2008 Stepan Kasal +# Copyright (c) 2008 Warren Young +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 6 + +AU_ALIAS([LIB_SOCKET_NSL], [AX_LIB_SOCKET_NSL]) +AC_DEFUN([AX_LIB_SOCKET_NSL], +[ + AC_SEARCH_LIBS([gethostbyname], [nsl]) + AC_SEARCH_LIBS([socket], [socket], [], [ + AC_CHECK_LIB([socket], [socket], [LIBS="-lsocket -lnsl $LIBS"], + [], [-lnsl])]) +]) diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4 new file mode 100644 index 000000000..6d400ed4e --- /dev/null +++ b/m4/ax_pthread.m4 @@ -0,0 +1,317 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_pthread.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) +# +# DESCRIPTION +# +# This macro figures out how to build C programs using POSIX threads. It +# sets the PTHREAD_LIBS output variable to the threads library and linker +# flags, and the PTHREAD_CFLAGS output variable to any special C compiler +# flags that are needed. (The user can also force certain compiler +# flags/libs to be tested by setting these environment variables.) +# +# Also sets PTHREAD_CC to any special C compiler that is needed for +# multi-threaded programs (defaults to the value of CC otherwise). (This +# is necessary on AIX to use the special cc_r compiler alias.) +# +# NOTE: You are assumed to not only compile your program with these flags, +# but also link it with them as well. e.g. you should link with +# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS +# +# If you are only building threads programs, you may wish to use these +# variables in your default LIBS, CFLAGS, and CC: +# +# LIBS="$PTHREAD_LIBS $LIBS" +# CFLAGS="$CFLAGS $PTHREAD_CFLAGS" +# CC="$PTHREAD_CC" +# +# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant +# has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name +# (e.g. PTHREAD_CREATE_UNDETACHED on AIX). +# +# Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the +# PTHREAD_PRIO_INHERIT symbol is defined when compiling with +# PTHREAD_CFLAGS. +# +# ACTION-IF-FOUND is a list of shell commands to run if a threads library +# is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it +# is not found. If ACTION-IF-FOUND is not specified, the default action +# will define HAVE_PTHREAD. +# +# Please let the authors know if this macro fails on any platform, or if +# you have any other suggestions or comments. This macro was based on work +# by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help +# from M. Frigo), as well as ac_pthread and hb_pthread macros posted by +# Alejandro Forero Cuervo to the autoconf macro repository. We are also +# grateful for the helpful feedback of numerous users. +# +# Updated for Autoconf 2.68 by Daniel Richard G. +# +# LICENSE +# +# Copyright (c) 2008 Steven G. Johnson +# Copyright (c) 2011 Daniel Richard G. +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 20 + +AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD]) +AC_DEFUN([AX_PTHREAD], [ +AC_REQUIRE([AC_CANONICAL_HOST]) +AC_LANG_PUSH([C]) +ax_pthread_ok=no + +# We used to check for pthread.h first, but this fails if pthread.h +# requires special compiler flags (e.g. on True64 or Sequent). +# It gets checked for in the link test anyway. + +# First of all, check if the user has set any of the PTHREAD_LIBS, +# etcetera environment variables, and if threads linking works using +# them: +if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS]) + AC_TRY_LINK_FUNC(pthread_join, ax_pthread_ok=yes) + AC_MSG_RESULT($ax_pthread_ok) + if test x"$ax_pthread_ok" = xno; then + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" + fi + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" +fi + +# We must check for the threads library under a number of different +# names; the ordering is very important because some systems +# (e.g. DEC) have both -lpthread and -lpthreads, where one of the +# libraries is broken (non-POSIX). + +# Create a list of thread flags to try. Items starting with a "-" are +# C compiler flags, and other items are library names, except for "none" +# which indicates that we try without any flags at all, and "pthread-config" +# which is a program returning the flags for the Pth emulation library. + +ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" + +# The ordering *is* (sometimes) important. Some notes on the +# individual items follow: + +# pthreads: AIX (must check this before -lpthread) +# none: in case threads are in libc; should be tried before -Kthread and +# other compiler flags to prevent continual compiler warnings +# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) +# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) +# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) +# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) +# -pthreads: Solaris/gcc +# -mthreads: Mingw32/gcc, Lynx/gcc +# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it +# doesn't hurt to check since this sometimes defines pthreads too; +# also defines -D_REENTRANT) +# ... -mt is also the pthreads flag for HP/aCC +# pthread: Linux, etcetera +# --thread-safe: KAI C++ +# pthread-config: use pthread-config program (for GNU Pth library) + +case ${host_os} in + solaris*) + + # On Solaris (at least, for some versions), libc contains stubbed + # (non-functional) versions of the pthreads routines, so link-based + # tests will erroneously succeed. (We need to link with -pthreads/-mt/ + # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather + # a function called by this macro, so we could check for that, but + # who knows whether they'll stub that too in a future libc.) So, + # we'll just look for -pthreads and -lpthread first: + + ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags" + ;; + + darwin*) + ax_pthread_flags="-pthread $ax_pthread_flags" + ;; +esac + +if test x"$ax_pthread_ok" = xno; then +for flag in $ax_pthread_flags; do + + case $flag in + none) + AC_MSG_CHECKING([whether pthreads work without any flags]) + ;; + + -*) + AC_MSG_CHECKING([whether pthreads work with $flag]) + PTHREAD_CFLAGS="$flag" + ;; + + pthread-config) + AC_CHECK_PROG(ax_pthread_config, pthread-config, yes, no) + if test x"$ax_pthread_config" = xno; then continue; fi + PTHREAD_CFLAGS="`pthread-config --cflags`" + PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" + ;; + + *) + AC_MSG_CHECKING([for the pthreads library -l$flag]) + PTHREAD_LIBS="-l$flag" + ;; + esac + + save_LIBS="$LIBS" + save_CFLAGS="$CFLAGS" + LIBS="$PTHREAD_LIBS $LIBS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + + # Check for various functions. We must include pthread.h, + # since some functions may be macros. (On the Sequent, we + # need a special flag -Kthread to make this header compile.) + # We check for pthread_join because it is in -lpthread on IRIX + # while pthread_create is in libc. We check for pthread_attr_init + # due to DEC craziness with -lpthreads. We check for + # pthread_cleanup_push because it is one of the few pthread + # functions on Solaris that doesn't have a non-functional libc stub. + # We try pthread_create on general principles. + AC_LINK_IFELSE([AC_LANG_PROGRAM([#include + static void routine(void *a) { a = 0; } + static void *start_routine(void *a) { return a; }], + [pthread_t th; pthread_attr_t attr; + pthread_create(&th, 0, start_routine, 0); + pthread_join(th, 0); + pthread_attr_init(&attr); + pthread_cleanup_push(routine, 0); + pthread_cleanup_pop(0) /* ; */])], + [ax_pthread_ok=yes], + []) + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + AC_MSG_RESULT($ax_pthread_ok) + if test "x$ax_pthread_ok" = xyes; then + break; + fi + + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" +done +fi + +# Various other checks: +if test "x$ax_pthread_ok" = xyes; then + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + + # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. + AC_MSG_CHECKING([for joinable pthread attribute]) + attr_name=unknown + for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do + AC_LINK_IFELSE([AC_LANG_PROGRAM([#include ], + [int attr = $attr; return attr /* ; */])], + [attr_name=$attr; break], + []) + done + AC_MSG_RESULT($attr_name) + if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then + AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name, + [Define to necessary symbol if this constant + uses a non-standard name on your system.]) + fi + + AC_MSG_CHECKING([if more special flags are required for pthreads]) + flag=no + case ${host_os} in + aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";; + osf* | hpux*) flag="-D_REENTRANT";; + solaris*) + if test "$GCC" = "yes"; then + flag="-D_REENTRANT" + else + flag="-mt -D_REENTRANT" + fi + ;; + esac + AC_MSG_RESULT(${flag}) + if test "x$flag" != xno; then + PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" + fi + + AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT], + ax_cv_PTHREAD_PRIO_INHERIT, [ + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[#include ]], [[int i = PTHREAD_PRIO_INHERIT;]])], + [ax_cv_PTHREAD_PRIO_INHERIT=yes], + [ax_cv_PTHREAD_PRIO_INHERIT=no]) + ]) + AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"], + AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], 1, [Have PTHREAD_PRIO_INHERIT.])) + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + # More AIX lossage: compile with *_r variant + if test "x$GCC" != xyes; then + case $host_os in + aix*) + AS_CASE(["x/$CC"], + [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6], + [#handle absolute path differently from PATH based program lookup + AS_CASE(["x$CC"], + [x/*], + [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])], + [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])]) + ;; + esac + fi +fi + +test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" + +AC_SUBST(PTHREAD_LIBS) +AC_SUBST(PTHREAD_CFLAGS) +AC_SUBST(PTHREAD_CC) + +# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: +if test x"$ax_pthread_ok" = xyes; then + ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1]) + : +else + ax_pthread_ok=no + $2 +fi +AC_LANG_POP +])dnl AX_PTHREAD diff --git a/m4/lib_socket_nsl.m4 b/m4/lib_socket_nsl.m4 deleted file mode 100644 index 972988183..000000000 --- a/m4/lib_socket_nsl.m4 +++ /dev/null @@ -1,38 +0,0 @@ -##### http://autoconf-archive.cryp.to/lib_socket_nsl.html -# -# SYNOPSIS -# -# LIB_SOCKET_NSL -# -# DESCRIPTION -# -# This macro figures out what libraries are required on this platform -# to link sockets programs. -# -# The common cases are not to need any extra libraries, or to need -# -lsocket and -lnsl. We need to avoid linking with libnsl unless we -# need it, though, since on some OSes where it isn't necessary it -# will totally break networking. Unisys also includes gethostbyname() -# in libsocket but needs libnsl for socket(). -# -# LAST MODIFICATION -# -# 2005-09-06 -# -# COPYLEFT -# -# Copyright (c) 2005 Russ Allbery -# Copyright (c) 2005 Stepan Kasal -# Copyright (c) 2005 Warren Young -# -# Copying and distribution of this file, with or without -# modification, are permitted in any medium without royalty provided -# the copyright notice and this notice are preserved. - -AC_DEFUN([LIB_SOCKET_NSL], -[ - AC_SEARCH_LIBS([gethostbyname], [nsl]) - AC_SEARCH_LIBS([socket], [socket], [], [ - AC_CHECK_LIB([socket], [socket], [LIBS="-lsocket -lnsl $LIBS"], - [], [-lnsl])]) -]) diff --git a/src/client/configure.ac b/src/client/configure.ac index 56120309d..2ea5362cd 100644 --- a/src/client/configure.ac +++ b/src/client/configure.ac @@ -53,7 +53,7 @@ MY_WINDOWS_API ### Checks for libraries. LIBS="$LIBS_SOCKETS $LIBS" -LIB_SOCKET_NSL +AX_LIB_SOCKET_NSL if test "$Windows_API" = yes; then AC_LIBOBJ([w32/w32io]) AC_LIBOBJ([w32/w32sockets]) -- 2.43.0