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="$LIBS -lwsock32"
  82 fi
  83
  84 if test "${srv_mingw}" = "yes"; then
  85   AC_DEFINE(USE_WIN32API, 1,
  86             [Define if we should use the Windows API, instead of the
  87              POSIX API.  On Windows, we use the Windows API when
  88              building for MinGW, but the POSIX API when building
  89              for Cygwin.])
  90 fi
  91
  92 if test "${srv_linux_usrregs}" = "yes"; then
  93   AC_DEFINE(HAVE_LINUX_USRREGS, 1,
  94             [Define if the target supports PTRACE_PEEKUSR for register ]
  95             [access.])
  96 fi
  97
  98 if test "${srv_linux_regsets}" = "yes"; then
  99   AC_DEFINE(HAVE_LINUX_REGSETS, 1,
 100             [Define if the target supports register sets.])
 101
 102   AC_MSG_CHECKING(for PTRACE_GETREGS)
 103   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
 104   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
 105                   [PTRACE_GETREGS;],
 106                   [gdbsrv_cv_have_ptrace_getregs=yes],
 107                   [gdbsrv_cv_have_ptrace_getregs=no])])
 108   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
 109   if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
 110     AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
 111               [Define if the target supports PTRACE_GETREGS for register ]
 112               [access.])
 113   fi
 114
 115   AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
 116   AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
 117   [AC_TRY_COMPILE([#include <sys/ptrace.h>],
 118                   [PTRACE_GETFPXREGS;],
 119                   [gdbsrv_cv_have_ptrace_getfpxregs=yes],
 120                   [gdbsrv_cv_have_ptrace_getfpxregs=no])])
 121   AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
 122   if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
 123     AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
 124               [Define if the target supports PTRACE_GETFPXREGS for extended ]
 125               [register access.])
 126   fi
 127 fi
 128
 129 if test "$ac_cv_header_sys_procfs_h" = yes; then
 130   BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
 131   BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
 132   BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
 133   BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
 134 fi
 135
 136 srv_thread_depfiles=
 137 srv_libs=
 138 USE_THREAD_DB=
 139
 140 if test "$srv_linux_thread_db" = "yes"; then
 141   SRV_CHECK_THREAD_DB
 142   if test "$srv_cv_thread_db" = no; then
 143     AC_WARN([Could not find libthread_db.])
 144     AC_WARN([Disabling thread support in gdbserver.])
 145     srv_linux_thread_db=no
 146   else
 147     srv_libs="$srv_cv_thread_db"
 148     SRV_CHECK_TLS_GET_ADDR
 149   fi
 150   old_LDFLAGS="$LDFLAGS"
 151   LDFLAGS="$LDFLAGS -rdynamic"
 152   AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
 153   AC_SUBST(RDYNAMIC)
 154   LDFLAGS="$old_LDFLAGS"
 155 fi
 156
 157 if test "$srv_linux_thread_db" = "yes"; then
 158   srv_thread_depfiles="thread-db.o proc-service.o"
 159   USE_THREAD_DB="-DUSE_THREAD_DB"
 160   AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version,
 161   [AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;],
 162                   [gdbsrv_cv_have_td_version=yes],
 163                   [gdbsrv_cv_have_td_version=no])])
 164   if test $gdbsrv_cv_have_td_version = yes; then
 165     AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.])
 166   fi
 167
 168   if test "$srv_cv_tls_get_addr" = yes; then
 169     AC_DEFINE(HAVE_TD_THR_TLS_GET_ADDR, 1, [Define if td_thr_tls_get_addr is available.])
 170   fi
 171 fi
 172
 173 if test "$srv_xmlfiles" != ""; then
 174   srv_xmlbuiltin="xml-builtin.o"
 175   AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.])
 176
 177   tmp_xmlfiles=$srv_xmlfiles
 178   srv_xmlfiles=""
 179   for f in $tmp_xmlfiles; do
 180     srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f"
 181   done
 182 fi
 183
 184 GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles"
 185 GDBSERVER_LIBS="$srv_libs"
 186
 187 AC_SUBST(GDBSERVER_DEPFILES)
 188 AC_SUBST(GDBSERVER_LIBS)
 189 AC_SUBST(USE_THREAD_DB)
 190 AC_SUBST(srv_xmlbuiltin)
 191 AC_SUBST(srv_xmlfiles)
 192
 193 AC_OUTPUT(Makefile,
 194 [case x$CONFIG_HEADERS in
 195 xconfig.h:config.in)
 196 echo > stamp-h ;;
 197 esac
 198 ])