gdb/gdbserver/configure.in

   1 dnl Autoconf configure script for GDB server.
   2 dnl Copyright 2000, 2002 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_INIT(server.c)
  23 AC_CONFIG_HEADER(config.h:config.in)
  24
  25 AC_PROG_CC
  26
  27 AC_CANONICAL_SYSTEM
  28
  29 AC_PROG_INSTALL
  30
  31 AC_HEADER_STDC
  32
  33 AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
  34                  proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
  35                  stdlib.h unistd.h)
  36
  37 BFD_NEED_DECLARATION(strerror)
  38
  39 . ${srcdir}/configure.srv
  40
  41 if test "${srv_linux_usrregs}" = "yes"; then
  42   AC_DEFINE(HAVE_LINUX_USRREGS)
  43 fi
  44
  45 if test "${srv_linux_regsets}" = "yes"; then
  46   AC_MSG_CHECKING(for PTRACE_GETREGS)
  47   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
  48   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
  49                   [PTRACE_GETREGS;],
  50                   [gdbsrv_cv_have_ptrace_getregs=yes],
  51                   [gdbsrv_cv_have_ptrace_getregs=no])])
  52   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
  53   if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
  54     AC_DEFINE(HAVE_LINUX_REGSETS)
  55   fi
  56
  57   AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
  58   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
  59   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
  60                   [PTRACE_GETFPXREGS;],
  61                   [gdbsrv_cv_have_ptrace_getfpxregs=yes],
  62                   [gdbsrv_cv_have_ptrace_getfpxregs=no])])
  63   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
  64   if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
  65     AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
  66   fi
  67 fi
  68
  69 if test "$ac_cv_header_sys_procfs_h" = yes; then
  70   BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
  71   BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
  72   BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
  73   BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
  74
  75   dnl Check for broken prfpregset_t type
  76
  77   dnl For Linux/i386, glibc 2.1.3 was released with a bogus
  78   dnl prfpregset_t type (it's a typedef for the pointer to a struct
  79   dnl instead of the struct itself).  We detect this here, and work
  80   dnl around it in gdb_proc_service.h.
  81
  82   if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
  83     AC_MSG_CHECKING(whether prfpregset_t type is broken)
  84     AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
  85       [AC_TRY_RUN([#include <sys/procfs.h>
  86        int main ()
  87        {
  88          if (sizeof (prfpregset_t) == sizeof (void *))
  89            return 1;
  90          return 0;
  91        }],
  92        gdb_cv_prfpregset_t_broken=no,
  93        gdb_cv_prfpregset_t_broken=yes,
  94        gdb_cv_prfpregset_t_broken=yes)])
  95     AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
  96     if test $gdb_cv_prfpregset_t_broken = yes; then
  97       AC_DEFINE(PRFPREGSET_T_BROKEN)
  98     fi
  99   fi
 100
 101   BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
 102 fi
 103
 104 srv_thread_depfiles=
 105 srv_libs=
 106 USE_THREAD_DB=
 107
 108 if test "$srv_linux_thread_db" = "yes"; then
 109   SRV_CHECK_THREAD_DB
 110   if test "$srv_cv_thread_db" = no; then
 111     AC_WARN([Could not find libthread_db.])
 112     AC_WARN([Disabling thread support in gdbserver.])
 113     srv_linux_thread_db=no
 114   else
 115     srv_libs="$srv_cv_thread_db"
 116   fi
 117 fi
 118
 119 if test "$srv_linux_thread_db" = "yes"; then
 120   srv_thread_depfiles="thread-db.o proc-service.o"
 121   USE_THREAD_DB="-DUSE_THREAD_DB"
 122 fi
 123
 124 GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_thread_depfiles"
 125 GDBSERVER_LIBS="$srv_libs"
 126
 127 AC_SUBST(GDBSERVER_DEPFILES)
 128 AC_SUBST(GDBSERVER_LIBS)
 129 AC_SUBST(USE_THREAD_DB)
 130
 131 AC_OUTPUT(Makefile,
 132 [case x$CONFIG_HEADERS in
 133 xconfig.h:config.in)
 134 echo > stamp-h ;;
 135 esac
 136 ])