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 3 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, see <http://www.gnu.org/licenses/>.
  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 AC_GNU_SOURCE
  29
  30 AC_CANONICAL_SYSTEM
  31
  32 AC_PROG_INSTALL
  33
  34 AC_ARG_PROGRAM
  35
  36 AC_HEADER_STDC
  37
  38 AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
  39                  proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
  40                  stdlib.h unistd.h dnl
  41                  errno.h fcntl.h signal.h sys/file.h malloc.h dnl
  42                  sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
  43                  netinet/tcp.h arpa/inet.h sys/wait.h)
  44 AC_CHECK_FUNCS(pread pwrite pread64)
  45
  46 have_errno=no
  47 AC_MSG_CHECKING(for errno)
  48 AC_TRY_LINK([
  49 #if HAVE_ERRNO_H
  50 #include <errno.h>
  51 #endif], [static int x; x = errno;],
  52   [AC_MSG_RESULT(yes - in errno.h); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) have_errno=yes])
  53 if test $have_errno = no; then
  54 AC_TRY_LINK([
  55 #if HAVE_ERRNO_H
  56 #include <errno.h>
  57 #endif], [extern int errno; static int x; x = errno;],
  58   [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) AC_DEFINE(MUST_DEFINE_ERRNO, 1, [Checking if errno must be defined])],
  59   [AC_MSG_RESULT(no)])
  60 fi
  61
  62 AC_CHECK_DECLS([strerror, perror])
  63
  64 AC_CHECK_TYPES(socklen_t, [], [],
  65 [#include <sys/types.h>
  66 #include <sys/socket.h>
  67 ])
  68
  69 . ${srcdir}/configure.srv
  70
  71 if test "${srv_mingwce}" = "yes"; then
  72   LIBS="$LIBS -lws2"
  73 elif test "${srv_mingw}" = "yes"; then
  74   LIBS="$LIBS -lwsock32"
  75 fi
  76
  77 if test "${srv_mingw}" = "yes"; then
  78   AC_DEFINE(USE_WIN32API, 1,
  79             [Define if we should use the Windows API, instead of the
  80              POSIX API.  On Windows, we use the Windows API when
  81              building for MinGW, but the POSIX API when building
  82              for Cygwin.])
  83 fi
  84
  85 if test "${srv_linux_usrregs}" = "yes"; then
  86   AC_DEFINE(HAVE_LINUX_USRREGS, 1,
  87             [Define if the target supports PTRACE_PEEKUSR for register ]
  88             [access.])
  89 fi
  90
  91 if test "${srv_linux_regsets}" = "yes"; then
  92   AC_DEFINE(HAVE_LINUX_REGSETS, 1,
  93             [Define if the target supports register sets.])
  94
  95   AC_MSG_CHECKING(for PTRACE_GETREGS)
  96   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
  97   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
  98                   [PTRACE_GETREGS;],
  99                   [gdbsrv_cv_have_ptrace_getregs=yes],
 100                   [gdbsrv_cv_have_ptrace_getregs=no])])
 101   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
 102   if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
 103     AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
 104               [Define if the target supports PTRACE_GETREGS for register ]
 105               [access.])
 106   fi
 107
 108   AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
 109   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
 110   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
 111                   [PTRACE_GETFPXREGS;],
 112                   [gdbsrv_cv_have_ptrace_getfpxregs=yes],
 113                   [gdbsrv_cv_have_ptrace_getfpxregs=no])])
 114   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
 115   if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
 116     AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
 117               [Define if the target supports PTRACE_GETFPXREGS for extended ]
 118               [register access.])
 119   fi
 120 fi
 121
 122 if test "$ac_cv_header_sys_procfs_h" = yes; then
 123   BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
 124   BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
 125   BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
 126   BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
 127 fi
 128
 129 srv_thread_depfiles=
 130 srv_libs=
 131 USE_THREAD_DB=
 132
 133 if test "$srv_linux_thread_db" = "yes"; then
 134   SRV_CHECK_THREAD_DB
 135   if test "$srv_cv_thread_db" = no; then
 136     AC_WARN([Could not find libthread_db.])
 137     AC_WARN([Disabling thread support in gdbserver.])
 138     srv_linux_thread_db=no
 139   else
 140     srv_libs="$srv_cv_thread_db"
 141     SRV_CHECK_TLS_GET_ADDR
 142   fi
 143   old_LDFLAGS="$LDFLAGS"
 144   LDFLAGS="$LDFLAGS -rdynamic"
 145   AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
 146   AC_SUBST(RDYNAMIC)
 147   LDFLAGS="$old_LDFLAGS"
 148 fi
 149
 150 if test "$srv_linux_thread_db" = "yes"; then
 151   srv_thread_depfiles="thread-db.o proc-service.o"
 152   USE_THREAD_DB="-DUSE_THREAD_DB"
 153   AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version,
 154   [AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;],
 155                   [gdbsrv_cv_have_td_version=yes],
 156                   [gdbsrv_cv_have_td_version=no])])
 157   if test $gdbsrv_cv_have_td_version = yes; then
 158     AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.])
 159   fi
 160
 161   if test "$srv_cv_tls_get_addr" = yes; then
 162     AC_DEFINE(HAVE_TD_THR_TLS_GET_ADDR, 1, [Define if td_thr_tls_get_addr is available.])
 163   fi
 164 fi
 165
 166 if test "$srv_xmlfiles" != ""; then
 167   srv_xmlbuiltin="xml-builtin.o"
 168   AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.])
 169
 170   tmp_xmlfiles=$srv_xmlfiles
 171   srv_xmlfiles=""
 172   for f in $tmp_xmlfiles; do
 173     srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f"
 174   done
 175 fi
 176
 177 GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles"
 178 GDBSERVER_LIBS="$srv_libs"
 179
 180 AC_SUBST(GDBSERVER_DEPFILES)
 181 AC_SUBST(GDBSERVER_LIBS)
 182 AC_SUBST(USE_THREAD_DB)
 183 AC_SUBST(srv_xmlbuiltin)
 184 AC_SUBST(srv_xmlfiles)
 185
 186 AC_OUTPUT(Makefile,
 187 [case x$CONFIG_HEADERS in
 188 xconfig.h:config.in)
 189 echo > stamp-h ;;
 190 esac
 191 ])