gdb/gdbserver/configure.ac

   1 dnl Autoconf configure script for GDB server.
   2 dnl Copyright 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   3 dnl
   4 dnl This file is part of GDB.
   5 dnl
   6 dnl This program is free software; you can redistribute it and/or modify
   7 dnl it under the terms of the GNU General Public License as published by
   8 dnl the Free Software Foundation; either version 2 of the License, or
   9 dnl (at your option) any later version.
  10 dnl
  11 dnl This program is distributed in the hope that it will be useful,
  12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 dnl GNU General Public License for more details.
  15 dnl
  16 dnl You should have received a copy of the GNU General Public License
  17 dnl along with this program; if not, write to the Free Software
  18 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19
  20 dnl Process this file with autoconf to produce a configure script.
  21
  22 AC_PREREQ(2.59)dnl
  23
  24 AC_INIT(server.c)
  25 AC_CONFIG_HEADER(config.h:config.in)
  26
  27 AC_PROG_CC
  28
  29 AC_CANONICAL_SYSTEM
  30
  31 AC_PROG_INSTALL
  32
  33 AC_ARG_PROGRAM
  34
  35 AC_HEADER_STDC
  36
  37 AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
  38                  proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
  39                  stdlib.h unistd.h)
  40
  41 BFD_NEED_DECLARATION(strerror)
  42
  43 AC_CHECK_TYPES(socklen_t, [], [],
  44 [#include <sys/types.h>
  45 #include <sys/socket.h>
  46 ])
  47 . ${srcdir}/configure.srv
  48
  49 if test "${srv_linux_usrregs}" = "yes"; then
  50   AC_DEFINE(HAVE_LINUX_USRREGS, 1,
  51             [Define if the target supports PTRACE_PEEKUSR for register ]
  52             [access.])
  53 fi
  54
  55 if test "${srv_linux_regsets}" = "yes"; then
  56   AC_MSG_CHECKING(for PTRACE_GETREGS)
  57   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
  58   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
  59                   [PTRACE_GETREGS;],
  60                   [gdbsrv_cv_have_ptrace_getregs=yes],
  61                   [gdbsrv_cv_have_ptrace_getregs=no])])
  62   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
  63   if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
  64     AC_DEFINE(HAVE_LINUX_REGSETS, 1,
  65               [Define if the target supports PTRACE_GETREGS for register ]
  66               [access.])
  67   fi
  68
  69   AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
  70   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
  71   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
  72                   [PTRACE_GETFPXREGS;],
  73                   [gdbsrv_cv_have_ptrace_getfpxregs=yes],
  74                   [gdbsrv_cv_have_ptrace_getfpxregs=no])])
  75   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
  76   if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
  77     AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
  78               [Define if the target supports PTRACE_GETFPXREGS for extended ]
  79               [register access.])
  80   fi
  81 fi
  82
  83 if test "$ac_cv_header_sys_procfs_h" = yes; then
  84   BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
  85   BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
  86   BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
  87   BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
  88
  89   dnl Check for broken prfpregset_t type
  90
  91   dnl For Linux/i386, glibc 2.1.3 was released with a bogus
  92   dnl prfpregset_t type (it's a typedef for the pointer to a struct
  93   dnl instead of the struct itself).  We detect this here, and work
  94   dnl around it in gdb_proc_service.h.
  95
  96   if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
  97     AC_MSG_CHECKING(whether prfpregset_t type is broken)
  98     AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
  99       [AC_TRY_RUN([#include <sys/procfs.h>
 100        int main ()
 101        {
 102          if (sizeof (prfpregset_t) == sizeof (void *))
 103            return 1;
 104          return 0;
 105        }],
 106        gdb_cv_prfpregset_t_broken=no,
 107        gdb_cv_prfpregset_t_broken=yes,
 108        gdb_cv_prfpregset_t_broken=yes)])
 109     AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
 110     if test $gdb_cv_prfpregset_t_broken = yes; then
 111       AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
 112                 [Define if the prfpregset_t type is broken.])
 113     fi
 114   fi
 115
 116   BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
 117 fi
 118
 119 srv_thread_depfiles=
 120 srv_libs=
 121 USE_THREAD_DB=
 122
 123 if test "$srv_linux_thread_db" = "yes"; then
 124   SRV_CHECK_THREAD_DB
 125   if test "$srv_cv_thread_db" = no; then
 126     AC_WARN([Could not find libthread_db.])
 127     AC_WARN([Disabling thread support in gdbserver.])
 128     srv_linux_thread_db=no
 129   else
 130     srv_libs="$srv_cv_thread_db"
 131   fi
 132   old_LDFLAGS="$LDFLAGS"
 133   LDFLAGS="$LDFLAGS -rdynamic"
 134   AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
 135   AC_SUBST(RDYNAMIC)
 136   LDFLAGS="$old_LDFLAGS"
 137 fi
 138
 139 if test "$srv_linux_thread_db" = "yes"; then
 140   srv_thread_depfiles="thread-db.o proc-service.o"
 141   USE_THREAD_DB="-DUSE_THREAD_DB"
 142 fi
 143
 144 GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_thread_depfiles"
 145 GDBSERVER_LIBS="$srv_libs"
 146
 147 AC_SUBST(GDBSERVER_DEPFILES)
 148 AC_SUBST(GDBSERVER_LIBS)
 149 AC_SUBST(USE_THREAD_DB)
 150
 151 AC_OUTPUT(Makefile,
 152 [case x$CONFIG_HEADERS in
 153 xconfig.h:config.in)
 154 echo > stamp-h ;;
 155 esac
 156 ])