gdb/gdbserver/configure.ac

   1 dnl Autoconf configure script for GDB server.
   2 dnl Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008
   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 AC_CONFIG_LIBOBJ_DIR(../gnulib)
  27
  28 AC_PROG_CC
  29 AC_GNU_SOURCE
  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                  errno.h fcntl.h signal.h sys/file.h malloc.h dnl
  43                  sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
  44                  netinet/tcp.h arpa/inet.h sys/wait.h)
  45 AC_CHECK_FUNCS(pread pwrite pread64)
  46 AC_REPLACE_FUNCS(memmem)
  47
  48 have_errno=no
  49 AC_MSG_CHECKING(for errno)
  50 AC_TRY_LINK([
  51 #if HAVE_ERRNO_H
  52 #include <errno.h>
  53 #endif], [static int x; x = errno;],
  54   [AC_MSG_RESULT(yes - in errno.h); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) have_errno=yes])
  55 if test $have_errno = no; then
  56 AC_TRY_LINK([
  57 #if HAVE_ERRNO_H
  58 #include <errno.h>
  59 #endif], [extern int errno; static int x; x = errno;],
  60   [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) AC_DEFINE(MUST_DEFINE_ERRNO, 1, [Checking if errno must be defined])],
  61   [AC_MSG_RESULT(no)])
  62 fi
  63
  64 AC_CHECK_DECLS([strerror, perror, memmem])
  65
  66 AC_CHECK_TYPES(socklen_t, [], [],
  67 [#include <sys/types.h>
  68 #include <sys/socket.h>
  69 ])
  70
  71 ACX_PKGVERSION([GDB])
  72 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
  73 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
  74 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
  75
  76 . ${srcdir}/configure.srv
  77
  78 if test "${srv_mingwce}" = "yes"; then
  79   LIBS="$LIBS -lws2"
  80 elif test "${srv_mingw}" = "yes"; then
  81   LIBS="$LIBS -lwsock32"
  82 elif test "${srv_qnx}" = "yes"; then
  83   LIBS="$LIBS -lsocket"
  84 fi
  85
  86 if test "${srv_mingw}" = "yes"; then
  87   AC_DEFINE(USE_WIN32API, 1,
  88             [Define if we should use the Windows API, instead of the
  89              POSIX API.  On Windows, we use the Windows API when
  90              building for MinGW, but the POSIX API when building
  91              for Cygwin.])
  92 fi
  93
  94 if test "${srv_linux_usrregs}" = "yes"; then
  95   AC_DEFINE(HAVE_LINUX_USRREGS, 1,
  96             [Define if the target supports PTRACE_PEEKUSR for register ]
  97             [access.])
  98 fi
  99
 100 if test "${srv_linux_regsets}" = "yes"; then
 101   AC_DEFINE(HAVE_LINUX_REGSETS, 1,
 102             [Define if the target supports register sets.])
 103
 104   AC_MSG_CHECKING(for PTRACE_GETREGS)
 105   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
 106   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
 107                   [PTRACE_GETREGS;],
 108                   [gdbsrv_cv_have_ptrace_getregs=yes],
 109                   [gdbsrv_cv_have_ptrace_getregs=no])])
 110   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
 111   if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
 112     AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
 113               [Define if the target supports PTRACE_GETREGS for register ]
 114               [access.])
 115   fi
 116
 117   AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
 118   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
 119   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
 120                   [PTRACE_GETFPXREGS;],
 121                   [gdbsrv_cv_have_ptrace_getfpxregs=yes],
 122                   [gdbsrv_cv_have_ptrace_getfpxregs=no])])
 123   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
 124   if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
 125     AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
 126               [Define if the target supports PTRACE_GETFPXREGS for extended ]
 127               [register access.])
 128   fi
 129 fi
 130
 131 if test "$ac_cv_header_sys_procfs_h" = yes; then
 132   BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
 133   BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
 134   BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
 135   BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
 136 fi
 137
 138 srv_thread_depfiles=
 139 srv_libs=
 140 USE_THREAD_DB=
 141
 142 if test "$srv_linux_thread_db" = "yes"; then
 143   SRV_CHECK_THREAD_DB
 144   if test "$srv_cv_thread_db" = no; then
 145     AC_WARN([Could not find libthread_db.])
 146     AC_WARN([Disabling thread support in gdbserver.])
 147     srv_linux_thread_db=no
 148   else
 149     srv_libs="$srv_cv_thread_db"
 150     SRV_CHECK_TLS_GET_ADDR
 151   fi
 152   old_LDFLAGS="$LDFLAGS"
 153   LDFLAGS="$LDFLAGS -rdynamic"
 154   AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
 155   AC_SUBST(RDYNAMIC)
 156   LDFLAGS="$old_LDFLAGS"
 157 fi
 158
 159 if test "$srv_linux_thread_db" = "yes"; then
 160   srv_thread_depfiles="thread-db.o proc-service.o"
 161   USE_THREAD_DB="-DUSE_THREAD_DB"
 162   AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version,
 163   [AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;],
 164                   [gdbsrv_cv_have_td_version=yes],
 165                   [gdbsrv_cv_have_td_version=no])])
 166   if test $gdbsrv_cv_have_td_version = yes; then
 167     AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.])
 168   fi
 169
 170   if test "$srv_cv_tls_get_addr" = yes; then
 171     AC_DEFINE(HAVE_TD_THR_TLS_GET_ADDR, 1, [Define if td_thr_tls_get_addr is available.])
 172   fi
 173 fi
 174
 175 if test "$srv_xmlfiles" != ""; then
 176   srv_xmlbuiltin="xml-builtin.o"
 177   AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.])
 178
 179   tmp_xmlfiles=$srv_xmlfiles
 180   srv_xmlfiles=""
 181   for f in $tmp_xmlfiles; do
 182     srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f"
 183   done
 184 fi
 185
 186 GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles"
 187 GDBSERVER_LIBS="$srv_libs"
 188
 189 AC_SUBST(GDBSERVER_DEPFILES)
 190 AC_SUBST(GDBSERVER_LIBS)
 191 AC_SUBST(USE_THREAD_DB)
 192 AC_SUBST(srv_xmlbuiltin)
 193 AC_SUBST(srv_xmlfiles)
 194
 195 AC_OUTPUT(Makefile,
 196 [case x$CONFIG_HEADERS in
 197 xconfig.h:config.in)
 198 echo > stamp-h ;;
 199 esac
 200 ])