ax_boost_thread.m4

   1 ##### http://autoconf-archive.cryp.to/ax_boost_thread.html
   2 #
   3 # SYNOPSIS
   4 #
   5 #   AX_BOOST_THREAD
   6 #
   7 # DESCRIPTION
   8 #
   9 #   Test for Thread library from the Boost C++ libraries. The macro
  10 #   requires a preceding call to AX_BOOST_BASE. Further documentation
  11 #   is available at <http://randspringer.de/boost/index.html>.
  12 #
  13 #   This macro calls:
  14 #
  15 #     AC_SUBST(BOOST_THREAD_LIB)
  16 #
  17 #   And sets:
  18 #
  19 #     HAVE_BOOST_THREAD
  20 #
  21 # LAST MODIFICATION
  22 #
  23 #   2006-12-28
  24 #
  25 # COPYLEFT
  26 #
  27 #   Copyright (c) 2006 Thomas Porschberg <thomas@randspringer.de>
  28 #   Copyright (c) 2006 Michael Tindal <mtindal@paradoxpoint.com>
  29 #
  30 #   Copying and distribution of this file, with or without
  31 #   modification, are permitted in any medium without royalty provided
  32 #   the copyright notice and this notice are preserved.
  33
  34 AC_DEFUN([AX_BOOST_THREAD],
  35 [
  36         AC_ARG_WITH([boost-thread],
  37         AS_HELP_STRING([--with-boost-thread@<:@=special-lib@:>@],
  38                    [use the Thread library from boost - it is possible to specify a certain library for the linker
  39                         e.g. --with-boost-thread=boost_thread-gcc-mt ]),
  40         [
  41         if test "$withval" = "no"; then
  42                         want_boost="no"
  43         elif test "$withval" = "yes"; then
  44             want_boost="yes"
  45             ax_boost_user_thread_lib=""
  46         else
  47                     want_boost="yes"
  48                 ax_boost_user_thread_lib="$withval"
  49                 fi
  50         ],
  51         [want_boost="yes"]
  52         )
  53
  54         if test "x$want_boost" = "xyes"; then
  55         AC_REQUIRE([AC_PROG_CC])
  56         AC_REQUIRE([AC_CANONICAL_BUILD])
  57                 CPPFLAGS_SAVED="$CPPFLAGS"
  58                 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  59                 export CPPFLAGS
  60
  61                 LDFLAGS_SAVED="$LDFLAGS"
  62                 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
  63                 export LDFLAGS
  64
  65         AC_CACHE_CHECK(whether the Boost::Thread library is available,
  66                                            ax_cv_boost_thread,
  67         [AC_LANG_PUSH([C++])
  68                          CXXFLAGS_SAVE=$CXXFLAGS
  69
  70                          if test "x$build_os" = "xsolaris" ; then
  71                                  CXXFLAGS="-pthreads $CXXFLAGS"
  72                          elif test "x$build_os" = "xming32" ; then
  73                                  CXXFLAGS="-mthreads $CXXFLAGS"
  74                          else
  75                                 CXXFLAGS="-pthread $CXXFLAGS"
  76                          fi
  77                          AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/thread/thread.hpp>]],
  78                                    [[boost::thread_group thrds;
  79                                    return 0;]]),
  80                    ax_cv_boost_thread=yes, ax_cv_boost_thread=no)
  81                          CXXFLAGS=$CXXFLAGS_SAVE
  82              AC_LANG_POP([C++])
  83                 ])
  84                 if test "x$ax_cv_boost_thread" = "xyes"; then
  85            if test "x$build_os" = "xsolaris" ; then
  86                           BOOST_CPPFLAGS="-pthreads $BOOST_CPPFLAGS"
  87                    elif test "x$build_os" = "xming32" ; then
  88                           BOOST_CPPFLAGS="-mthreads $BOOST_CPPFLAGS"
  89                    else
  90                           BOOST_CPPFLAGS="-pthread $BOOST_CPPFLAGS"
  91                    fi
  92
  93                         AC_SUBST(BOOST_CPPFLAGS)
  94
  95                         AC_DEFINE(HAVE_BOOST_THREAD,,[define if the Boost::Thread library is available])
  96                         BN=boost_thread
  97
  98                         LDFLAGS_SAVE=$LDFLAGS
  99                         case "x$build_os" in
 100                           *bsd* )
 101                                LDFLAGS="-pthread $LDFLAGS"
 102                           break;
 103                           ;;
 104                         esac
 105             if test "x$ax_boost_user_thread_lib" = "x"; then
 106                                 for ax_lib in $BN $BN-$CC $BN-$CC-mt $BN-$CC-mt-s $BN-$CC-s \
 107                               lib$BN lib$BN-$CC lib$BN-$CC-mt lib$BN-$CC-mt-s lib$BN-$CC-s \
 108                               $BN-mgw $BN-mgw $BN-mgw-mt $BN-mgw-mt-s $BN-mgw-s ; do
 109                                     AC_CHECK_LIB($ax_lib, main, [BOOST_THREAD_LIB="-l$ax_lib" AC_SUBST(BOOST_THREAD_LIB) link_thread="yes" break],
 110                                  [link_thread="no"])
 111                                 done
 112             else
 113                for ax_lib in $ax_boost_user_thread_lib $BN-$ax_boost_user_thread_lib; do
 114                                       AC_CHECK_LIB($ax_lib, main,
 115                                    [BOOST_THREAD_LIB="-l$ax_lib" AC_SUBST(BOOST_THREAD_LIB) link_thread="yes" break],
 116                                    [link_thread="no"])
 117                   done
 118
 119             fi
 120                         if test "x$link_thread" = "xno"; then
 121                                 AC_MSG_ERROR(Could not link against $ax_lib !)
 122                         else
 123                            case "x$build_os" in
 124                               *bsd* )
 125                                 BOOST_LDFLAGS="-pthread $BOOST_LDFLAGS"
 126                               break;
 127                               ;;
 128                            esac
 129
 130                         fi
 131                 fi
 132
 133                 CPPFLAGS="$CPPFLAGS_SAVED"
 134         LDFLAGS="$LDFLAGS_SAVED"
 135         fi
 136 ])