diff options
Diffstat (limited to 'm4/threads.m4')
| -rw-r--r-- | m4/threads.m4 | 385 |
1 files changed, 0 insertions, 385 deletions
diff --git a/m4/threads.m4 b/m4/threads.m4 deleted file mode 100644 index 60b91c02afa..00000000000 --- a/m4/threads.m4 +++ /dev/null @@ -1,385 +0,0 @@ -dnl ------------------------------------------------------------------------- -dnl $Id$ -dnl -dnl threads.m4 -dnl -dnl ACE M4 include file which contains ACE specific M4 macros -dnl for configuring thread support. This file is to be used -dnl with the configure script. -dnl -dnl ------------------------------------------------------------------------- - -dnl Copyright (C) 1998, 1999 Ossama Othman -dnl -dnl All Rights Reserved -dnl -dnl This library is free software; you can redistribute it and/or -dnl modify it under the current ACE distribution terms. -dnl -dnl This library is distributed in the hope that it will be useful, -dnl but WITHOUT ANY WARRANTY; without even the implied warranty of -dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -dnl Make sure thread library exists -dnl We need to be careful when tests for other thread libraries are -dnl added that we don't screw up handling of "ace_user_enable_threads" -dnl Tests should probably be more platform specific later on. - -dnl Check for thread related libraries and compiler flags -dnl Usage: ACE_CHECK_THREADS -AC_DEFUN(ACE_CHECK_THREADS, dnl -[ -dnl AC_REQUIRE([AC_PROG_CXX]) -dnl AC_REQUIRE([AC_PROG_CXXCPP]) -dnl AC_REQUIRE([AC_LANG_CPLUSPLUS]) - -dnl Check if compiler accepts specific flag to enable threads - ACE_CACHE_CHECK(if compiler may need a thread flag, - ace_cv_feature_may_need_thread_flag, - [ - ACE_CHECK_THREAD_FLAGS( - [ - ace_cv_feature_may_need_thread_flag=no - ], - [ - ace_cv_feature_may_need_thread_flag=yes - ]) - ], - [ - ace_cv_feature_thread_flag_set=no - - save_CXXFLAGS="$CXXFLAGS" - save_CFLAGS="$CFLAGS" - - CXXFLAGS="$CXXFLAGS -mt" - CFLAGS="$CFLAGS -mt" - - ACE_CACHE_CHECK(if compiler can use -mt flag, - ace_cv_feature_has_mt_flag, - [ - ACE_CHECK_THREAD_FLAGS( - [ - ace_cv_feature_has_mt_flag=yes - ], - [ - ace_cv_feature_has_mt_flag=no - ]) - ], - [ - ace_cv_feature_thread_flag_set=yes - ], - [ - CXXFLAGS="$save_CXXFLAGS" - CFLAGS="$save_CFLAGS" - ]) - - if test "$ace_cv_feature_thread_flag_set" = no; then - - CXXFLAGS="$CXXFLAGS -pthread" - CFLAGS="$CFLAGS -pthread" - - ACE_CACHE_CHECK(if compiler can use -pthread flag, - ace_cv_feature_has_pthread_flag, - [ - ACE_CHECK_THREAD_FLAGS( - [ - ace_cv_feature_has_pthread_flag=yes - ], - [ - ace_cv_feature_has_pthread_flag=no - ]) - ], - [ - ace_cv_feature_thread_flag_set=yes - ], - [ - CXXFLAGS="$save_CXXFLAGS" - CFLAGS="$save_CFLAGS" - ]) - - fi dnl test "$ace_cv_feature_thread_flag_set" = no - - if test "$ace_cv_feature_thread_flag_set" = no; then - - CXXFLAGS="$CXXFLAGS -pthreads" - CFLAGS="$CFLAGS -pthreads" - - ACE_CACHE_CHECK(if compiler can use -pthreads flag, - ace_cv_feature_has_pthreads_flag, - [ - ACE_CHECK_THREAD_FLAGS( - [ - ace_cv_feature_has_pthreads_flag=yes - ], - [ - ace_cv_feature_has_pthreads_flag=no - ]) - ], - [ - ace_cv_feature_thread_flag_set=yes - ], - [ - CXXFLAGS="$save_CXXFLAGS" - CFLAGS="$save_CFLAGS" - ]) - - fi dnl test "$ace_cv_feature_thread_flag_set" = no - - if test "$ace_cv_feature_thread_flag_set" = no; then - - CXXFLAGS="$CXXFLAGS -mthreads" - CFLAGS="$CXXFLAGS -mthreads" - - ACE_CACHE_CHECK(if compiler can use -mthreads flag, - ace_cv_feature_has_mthreads_flag, - [ - ACE_CHECK_THREAD_FLAGS( - [ - ace_cv_feature_has_mthreads_flag=yes - ], - [ - ace_cv_feature_has_mthreads_flag=no - ]) - ], - [ - ace_cv_feature_thread_flag_set=yes - ], - [ - CXXFLAGS="$save_CXXFLAGS" - CFLAGS="$save_CFLAGS" - ]) - - fi dnl test "$ace_cv_feature_thread_flag_set" = no - - if test "$ace_cv_feature_thread_flag_set" = no; then - - CXXFLAGS="$CXXFLAGS -threads" - CFLAGS="$CXXFLAGS -threads" - - ACE_CACHE_CHECK(if compiler can use -threads flag, - ace_cv_feature_has_dash_threads_flag, - [ - ACE_CHECK_THREAD_FLAGS( - [ - ace_cv_feature_has_dash_threads_flag=yes - ], - [ - ace_cv_feature_has_dash_threads_flag=no - ]) - ], - [ - ace_cv_feature_thread_flag_set=yes - ], - [ - CXXFLAGS="$save_CXXFLAGS" - CFLAGS="$save_CFLAGS" - ]) - - fi dnl test "$ace_cv_feature_thread_flag_set" = no - ], - [ - dnl Do nothing - ]) - -dnl Check for UNIX International Threads -- STHREADS - - ace_has_sthreads=no - - AC_CHECK_FUNC(thr_create, - [ - ace_has_sthreads=yes - AC_DEFINE(ACE_HAS_STHREADS) - ], - [ - AC_CHECK_LIB(thread, thr_create, dnl - [ - ace_has_sthreads=yes -dnl Since we AC_DEFINE(ACE_HAS_STHREADS), the default behavior of -dnl of adding "-lthread" to the "LIBS" variable no longer works. -dnl So, we have to add it manually. - LIBS="$LIBS -lthread" - AC_DEFINE(ACE_HAS_STHREADS) - ],) - ]) - -dnl Check for POSIX threads - - dnl Check if platform provides pthreads backward compatibility macros - dnl (Some platforms may define some pthread functions such as - dnl pthread_create() as macros when using a later implementation of - dnl pthreads. For example, Digital Unix 4.0 #defines a pthread_create - dnl macro as "__pthread_create" to allow the new implemenation of - dnl pthread_create() to co-exist with the old implementation of - dnl of pthread_create().) - - AC_CACHE_CHECK(for pthreads backward compatibility macros, - ace_cv_lib_pthread_compat_macros, - [ - AC_EGREP_CPP(ACE_PTHREAD_MACROS, - [ -#include <pthread.h> - -#if defined (pthread_create) - ACE_PTHREAD_MACROS -#endif - ], - [ - ace_cv_lib_pthread_compat_macros=yes - ], - [ - ace_cv_lib_pthread_compat_macros=no - ]) - ]) - - ace_has_pthreads=no - -dnl Check for POSIX threads -- PTHREADS - ACE_CHECK_FUNC(pthread_create, pthread.h, - [ - ace_has_pthreads=yes - AC_DEFINE(ACE_HAS_PTHREADS) - ], - [ - AC_CHECK_LIB(pthread, pthread_create, dnl - [ - ace_has_pthreads=yes -dnl Since we AC_DEFINE(ACE_HAS_PTHREADS), the default behavior of -dnl of adding "-lpthread" to the "LIBS" variable no longer works. -dnl So, we have to add it manually. - LIBS="$LIBS -lpthread" - AC_DEFINE(ACE_HAS_PTHREADS) - ],) - -dnl Check if pthread function names are mangled (e.g. DU 4.0) to maintain -dnl older Pthread Draft compatibility. - if test "$ace_has_pthreads" = no && - test "$ace_cv_lib_pthread_compat_macros" = yes; then - ACE_CHECK_LIB(pthread, pthread_create, pthread.h, dnl - [ - ace_has_pthreads=yes -dnl Since we AC_DEFINE(ACE_HAS_PTHREADS), the default behavior of -dnl of adding "-lpthread" to the "LIBS" variable no longer works. -dnl So, we have to add it manually. - LIBS="$LIBS -lpthread" - AC_DEFINE(ACE_HAS_PTHREADS) - ],) - fi dnl test "$ace_has_pthreads" = no && have compatibilty macros - -dnl Check if we need to use -lpthreads instead (e.g. AIX 4.2) - if test "$ace_has_pthreads" = no; then - AC_CHECK_LIB(pthreads, pthread_create, dnl - [ - ace_has_pthreads=yes -dnl Since we AC_DEFINE(ACE_HAS_PTHREADS), the default behavior of -dnl of adding "-lpthread" to the "LIBS" variable no longer works. -dnl So, we have to add it manually. - LIBS="$LIBS -lpthreads" - AC_DEFINE(ACE_HAS_PTHREADS) - ],) - fi dnl test "$ace_has_pthreads" = no - - if test "$ace_has_pthreads" = no; then -dnl Check for POSIX threads in -lc_r -dnl Check if we already have the necessary library, first - AC_CHECK_LIB(c_r, pthread_create, dnl - [ - ace_has_pthreads=yes -dnl Since we AC_DEFINE(ACE_HAS_PTHREADS), the default behavior of -dnl of adding "-lc_r" to the "LIBS" variable no longer works. -dnl So, we have to add it manually. - LIBS="$LIBS -lc_r" - AC_DEFINE(ACE_HAS_PTHREADS) - ],) - fi dnl test "$ace_has_pthreads" = no - - if test "$ace_has_pthreads" = no; then -dnl Check for POSIX threads in -lgthreads, i.e. FSU Pthreads - AC_CHECK_LIB(gthreads, pthread_create, dnl - [ - ace_has_pthreads=yes -dnl Since we AC_DEFINE(ACE_HAS_PTHREADS), the default behavior of -dnl of adding "-lgthreads" to the "LIBS" variable no longer works. -dnl So, we have to add it manually. - LIBS="$LIBS -lgthreads" - AC_DEFINE(ACE_HAS_PTHREADS) - ],) - fi dnl test "$ace_has_pthreads" = no - ]) - -dnl If we don't have any thread library, then disable threading altogether! - if test "$ace_has_pthreads" != yes && - test "$ace_has_sthreads" != yes; then - ace_user_enable_threads=no - fi - -]) - -dnl This macro will check that the current compiler flags do something -dnl useful in terms of thread libraries and/or functions. -dnl Usage: ACE_CHECK_THREAD_FLAGS(ACTION-IF-USABLE [, ACTION-IF-NOT-USABLE]]) -AC_DEFUN(ACE_CHECK_THREAD_FLAGS, dnl -[ -ACE_CONVERT_WARNINGS_TO_ERRORS([ -AC_TRY_LINK( -ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus -extern "C" -#endif - -#ifndef _REENTRANT -#error _REENTRANT was not defined -THROW ME AN ERROR! -#endif -])dnl -[ -char thr_create(); -], [ -thr_create(); -], [$1], -[ -dnl - AC_REQUIRE([AC_PROG_AWK]) - - AC_TRY_CPP( - [ -#include <pthread.h> - ], ace_header_exists=yes, ace_header_exists=no) - - cat > conftest.$ac_ext <<EOF - -#include <pthread.h> - ACE_REAL_FUNCTION pthread_create - -EOF - - if test "$ace_header_exists" = yes; then - if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | - egrep "ACE_REAL_FUNCTION" | - (eval "$AWK '{print \[$]2}' > conftest.awk 2>&1"); then - rm -f conftest.$ac_ext - ace_real_function=`cat conftest.awk` - rm -f conftest.awk - fi - else - ace_real_function="pthread_create" - fi dnl test "$ace_header_not_exist" != yes - -AC_TRY_LINK( -ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus -extern "C" -#endif - -#ifndef _REENTRANT -#error _REENTRANT was not defined -THROW ME AN ERROR! -#endif -])dnl -[ -char $ace_real_function(); -], [ -$ace_real_function(); -], [$1],[$2]) - -dnl - ]) - ]) -]) |