gdb/gdbserver/configure.ac

   1 dnl Autoconf configure script for GDB server.
   2 dnl Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006
   3 dnl Free Software Foundation, Inc.
   4 dnl
   5 dnl This file is part of GDB.
   6 dnl
   7 dnl This program is free software; you can redistribute it and/or modify
   8 dnl it under the terms of the GNU General Public License as published by
   9 dnl the Free Software Foundation; either version 2 of the License, or
  10 dnl (at your option) any later version.
  11 dnl
  12 dnl This program is distributed in the hope that it will be useful,
  13 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 dnl GNU General Public License for more details.
  16 dnl
  17 dnl You should have received a copy of the GNU General Public License
  18 dnl along with this program; if not, write to the Free Software
  19 dnl Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 dnl Boston, MA 02110-1301, USA.
  21
  22 dnl Process this file with autoconf to produce a configure script.
  23
  24 AC_PREREQ(2.59)dnl
  25
  26 AC_INIT(server.c)
  27 AC_CONFIG_HEADER(config.h:config.in)
  28
  29 AC_PROG_CC
  30
  31 AC_CANONICAL_SYSTEM
  32
  33 AC_PROG_INSTALL
  34
  35 AC_ARG_PROGRAM
  36
  37 AC_HEADER_STDC
  38
  39 AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
  40                  proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
  41                  stdlib.h unistd.h dnl
  42                  terminal.h sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
  43                  netinet/tcp.h arpa/inet.h sys/wait.h)
  44
  45 AC_CHECK_DECLS(strerror)
  46
  47 AC_CHECK_TYPES(socklen_t, [], [],
  48 [#include <sys/types.h>
  49 #include <sys/socket.h>
  50 ])
  51 . ${srcdir}/configure.srv
  52
  53 if test "${srv_mingw}" = "yes"; then
  54   LIBS="$LIBS -lwsock32"
  55   AC_DEFINE(USE_WIN32API, 1,
  56             [Define if we should use the Windows API, instead of the
  57              POSIX API.  On Windows, we use the Windows API when
  58              building for MinGW, but the POSIX API when building
  59              for Cygwin.])
  60 fi
  61
  62 if test "${srv_linux_usrregs}" = "yes"; then
  63   AC_DEFINE(HAVE_LINUX_USRREGS, 1,
  64             [Define if the target supports PTRACE_PEEKUSR for register ]
  65             [access.])
  66 fi
  67
  68 if test "${srv_linux_regsets}" = "yes"; then
  69   AC_DEFINE(HAVE_LINUX_REGSETS, 1,
  70             [Define if the target supports register sets.])
  71
  72   AC_MSG_CHECKING(for PTRACE_GETREGS)
  73   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
  74   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
  75                   [PTRACE_GETREGS;],
  76                   [gdbsrv_cv_have_ptrace_getregs=yes],
  77                   [gdbsrv_cv_have_ptrace_getregs=no])])
  78   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
  79   if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
  80     AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
  81               [Define if the target supports PTRACE_GETREGS for register ]
  82               [access.])
  83   fi
  84
  85   AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
  86   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
  87   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
  88                   [PTRACE_GETFPXREGS;],
  89                   [gdbsrv_cv_have_ptrace_getfpxregs=yes],
  90                   [gdbsrv_cv_have_ptrace_getfpxregs=no])])
  91   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
  92   if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
  93     AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
  94               [Define if the target supports PTRACE_GETFPXREGS for extended ]
  95               [register access.])
  96   fi
  97 fi
  98
  99 if test "$ac_cv_header_sys_procfs_h" = yes; then
 100   BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
 101   BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
 102   BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
 103   BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
 104 fi
 105
 106 srv_thread_depfiles=
 107 srv_libs=
 108 USE_THREAD_DB=
 109
 110 if test "$srv_linux_thread_db" = "yes"; then
 111   SRV_CHECK_THREAD_DB
 112   if test "$srv_cv_thread_db" = no; then
 113     AC_WARN([Could not find libthread_db.])
 114     AC_WARN([Disabling thread support in gdbserver.])
 115     srv_linux_thread_db=no
 116   else
 117     srv_libs="$srv_cv_thread_db"
 118   fi
 119   old_LDFLAGS="$LDFLAGS"
 120   LDFLAGS="$LDFLAGS -rdynamic"
 121   AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
 122   AC_SUBST(RDYNAMIC)
 123   LDFLAGS="$old_LDFLAGS"
 124 fi
 125
 126 if test "$srv_linux_thread_db" = "yes"; then
 127   srv_thread_depfiles="thread-db.o proc-service.o"
 128   USE_THREAD_DB="-DUSE_THREAD_DB"
 129   AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version,
 130   [AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;],
 131                   [gdbsrv_cv_have_td_version=yes],
 132                   [gdbsrv_cv_have_td_version=no])])
 133   if test $gdbsrv_cv_have_td_version = yes; then
 134     AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.])
 135   fi
 136 fi
 137
 138 GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_thread_depfiles"
 139 GDBSERVER_LIBS="$srv_libs"
 140
 141 AC_SUBST(GDBSERVER_DEPFILES)
 142 AC_SUBST(GDBSERVER_LIBS)
 143 AC_SUBST(USE_THREAD_DB)
 144
 145 AC_OUTPUT(Makefile,
 146 [case x$CONFIG_HEADERS in
 147 xconfig.h:config.in)
 148 echo > stamp-h ;;
 149 esac
 150 ])