[deliverable/binutils-gdb.git] / gdb / gdbserver / configure.ac

dnl Autoconf configure script for GDB server.
dnl Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
dnl 2010 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.

dnl Process this file with autoconf to produce a configure script.

AC_PREREQ(2.59)dnl

AC_INIT(server.c)
AC_CONFIG_HEADER(config.h:config.in)
AC_CONFIG_LIBOBJ_DIR(../gnulib)

AC_PROG_CC
AC_GNU_SOURCE

AC_CANONICAL_SYSTEM

AC_PROG_INSTALL

AC_ARG_PROGRAM

AC_HEADER_STDC

AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
		 proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
		 stdlib.h unistd.h dnl
		 errno.h fcntl.h signal.h sys/file.h malloc.h dnl
		 sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
		 netinet/tcp.h arpa/inet.h sys/wait.h)
AC_CHECK_FUNCS(pread pwrite pread64)
AC_REPLACE_FUNCS(memmem)

# Check for UST
ustlibs=""
ustinc=""

AC_ARG_WITH(ust, [  --with-ust=PATH       Specify prefix directory for the installed UST package
                          Equivalent to --with-ust-include=PATH/include
                          plus --with-ust-lib=PATH/lib])
AC_ARG_WITH(ust_include, [  --with-ust-include=PATH Specify directory for installed UST include files])
AC_ARG_WITH(ust_lib, [  --with-ust-lib=PATH   Specify the directory for the installed UST library])

case $with_ust in
  no)
    ustlibs=
    ustinc=
    ;;
  "" | yes)
    ustlibs=" -lust "
    ustinc=""
    ;;
  *)
    ustlibs="-L$with_ust/lib -lust"
    ustinc="-I$with_ust/include "
    ;;
esac
if test "x$with_ust_include" != x; then
  ustinc="-I$with_ust_include "
fi
if test "x$with_ust_lib" != x; then
  ustlibs="-L$with_ust_lib -lust"
fi

if test "x$with_ust" != "xno"; then
  saved_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS $ustinc"
  AC_MSG_CHECKING([for ust])
  AC_TRY_COMPILE([
#define CONFIG_UST_GDB_INTEGRATION
#include <ust/ust.h>
  ],[],
  [AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_UST, 1, [Define if UST is available])],
  [AC_MSG_RESULT([no]); ustlibs= ; ustinc= ])
  CFLAGS="$saved_CFLAGS"
fi

# Flags needed for UST
AC_SUBST(ustlibs)
AC_SUBST(ustinc)

dnl dladdr is glibc-specific.  It is used by thread-db.c but only for
dnl debugging messages.  It lives in -ldl which is handled below so we don't
dnl use AC_CHECK_LIB (or AC_SEARCH_LIBS) here.  Instead we just temporarily
dnl augment LIBS.
old_LIBS="$LIBS"
LIBS="$LIBS -ldl"
AC_CHECK_FUNCS(dladdr)
LIBS="$old_LIBS"

have_errno=no
AC_MSG_CHECKING(for errno)
AC_TRY_LINK([
#if HAVE_ERRNO_H
#include <errno.h>
#endif], [static int x; x = errno;],
  [AC_MSG_RESULT(yes - in errno.h); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) have_errno=yes])
if test $have_errno = no; then
AC_TRY_LINK([
#if HAVE_ERRNO_H
#include <errno.h>
#endif], [extern int errno; static int x; x = errno;],
  [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])],
  [AC_MSG_RESULT(no)])
fi

AC_CHECK_DECLS([strerror, perror, memmem])

AC_CHECK_TYPES(socklen_t, [], [],
[#include <sys/types.h>
#include <sys/socket.h>
])

ACX_PKGVERSION([GDB])
ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])

# Check for various supplementary target information (beyond the
# triplet) which might affect the choices in configure.srv.
case "${target}" in
changequote(,)dnl
  i[34567]86-*-linux*)
changequote([,])dnl
    AC_CACHE_CHECK([if building for x86-64], [gdb_cv_i386_is_x86_64],
      	           [save_CPPFLAGS="$CPPFLAGS"
                    CPPFLAGS="$CPPFLAGS $CFLAGS"
                    AC_EGREP_CPP([got it], [
#if __x86_64__
got it
#endif
                 ], [gdb_cv_i386_is_x86_64=yes],
                    [gdb_cv_i386_is_x86_64=no])
                    CPPFLAGS="$save_CPPFLAGS"])
    ;;
  m68k-*-*)
    AC_CACHE_CHECK([if building for Coldfire], [gdb_cv_m68k_is_coldfire],
      	           [save_CPPFLAGS="$CPPFLAGS"
                    CPPFLAGS="$CPPFLAGS $CFLAGS"
                    AC_EGREP_CPP([got it], [
#ifdef __mcoldfire__
got it
#endif
                 ], [gdb_cv_m68k_is_coldfire=yes],
                    [gdb_cv_m68k_is_coldfire=no])
                    CPPFLAGS="$save_CPPFLAGS"])
    ;;
esac

. ${srcdir}/configure.srv

if test "${srv_mingwce}" = "yes"; then
  LIBS="$LIBS -lws2"
elif test "${srv_mingw}" = "yes"; then
  LIBS="$LIBS -lws2_32"
elif test "${srv_qnx}" = "yes"; then
  LIBS="$LIBS -lsocket"
fi

if test "${srv_mingw}" = "yes"; then
  AC_DEFINE(USE_WIN32API, 1,
	    [Define if we should use the Windows API, instead of the
	     POSIX API.  On Windows, we use the Windows API when
	     building for MinGW, but the POSIX API when building
	     for Cygwin.])
fi

if test "${srv_linux_usrregs}" = "yes"; then
  AC_DEFINE(HAVE_LINUX_USRREGS, 1,
	    [Define if the target supports PTRACE_PEEKUSR for register ]
	    [access.])
fi

if test "${srv_linux_regsets}" = "yes"; then
  AC_DEFINE(HAVE_LINUX_REGSETS, 1,
	    [Define if the target supports register sets.])

  AC_MSG_CHECKING(for PTRACE_GETREGS)
  AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
  [AC_TRY_COMPILE([#include <sys/ptrace.h>],
		  [PTRACE_GETREGS;],
		  [gdbsrv_cv_have_ptrace_getregs=yes],
		  [gdbsrv_cv_have_ptrace_getregs=no])])
  AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
  if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
    AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
	      [Define if the target supports PTRACE_GETREGS for register ]
	      [access.])
  fi

  AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
  AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
  [AC_TRY_COMPILE([#include <sys/ptrace.h>],
		  [PTRACE_GETFPXREGS;],
		  [gdbsrv_cv_have_ptrace_getfpxregs=yes],
		  [gdbsrv_cv_have_ptrace_getfpxregs=no])])
  AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
  if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
    AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
	      [Define if the target supports PTRACE_GETFPXREGS for extended ]
	      [register access.])
  fi
fi

if test "$ac_cv_header_sys_procfs_h" = yes; then
  BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
  BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
  BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
  BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
fi

dnl Check for libdl, but do not add it to LIBS as only gdbserver
dnl needs it (and gdbreplay doesn't).
old_LIBS="$LIBS"
AC_CHECK_LIB(dl, dlopen)
LIBS="$old_LIBS"

srv_thread_depfiles=
srv_libs=
USE_THREAD_DB=

if test "$srv_linux_thread_db" = "yes"; then
  if test "$ac_cv_lib_dl_dlopen" = "yes"; then
    srv_libs="-ldl"
    AC_MSG_CHECKING(for the dynamic export flag)
    old_LDFLAGS="$LDFLAGS"
    # Older GNU ld supports --export-dynamic but --dynamic-list may not be
    # supported there.
    RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
    LDFLAGS="$LDFLAGS $RDYNAMIC"
    AC_TRY_LINK([], [],
		[found="-Wl,--dynamic-list"
		 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'],
		[RDYNAMIC="-rdynamic"
		 LDFLAGS="$old_LDFLAGS $RDYNAMIC"
		 AC_TRY_LINK([], [],
			     [found="-rdynamic"],
			     [found="no"
			      RDYNAMIC=""])])
    AC_SUBST(RDYNAMIC)
    LDFLAGS="$old_LDFLAGS"
    AC_MSG_RESULT($found)
  else
    srv_libs="-lthread_db"
  fi

  srv_thread_depfiles="thread-db.o proc-service.o"
  USE_THREAD_DB="-DUSE_THREAD_DB"
  AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version,
  [AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;],
		  [gdbsrv_cv_have_td_version=yes],
		  [gdbsrv_cv_have_td_version=no])])
  if test $gdbsrv_cv_have_td_version = yes; then
    AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.])
  fi
fi

AC_ARG_WITH(libthread-db,
AS_HELP_STRING([--with-libthread-db=PATH], [use given libthread_db directly]),
[srv_libthread_db_path="${withval}"
  srv_libs="$srv_libthread_db_path"
])

if test "$srv_libs" != "" -a "$srv_libs" != "-ldl"; then
  AC_DEFINE(USE_LIBTHREAD_DB_DIRECTLY, 1, [Define if we should use libthread_db directly.])
fi

if test "$srv_xmlfiles" != ""; then
  srv_xmlbuiltin="xml-builtin.o"
  AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.])

  tmp_xmlfiles=$srv_xmlfiles
  srv_xmlfiles=""
  for f in $tmp_xmlfiles; do
    srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f"
  done
fi

GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles"
GDBSERVER_LIBS="$srv_libs"

dnl Check whether the target supports __sync_*_compare_and_swap.
AC_CACHE_CHECK([whether the target supports __sync_*_compare_and_swap],
		gdbsrv_cv_have_sync_builtins, [
AC_TRY_LINK([], [int foo, bar; bar = __sync_val_compare_and_swap(&foo, 0, 1);],
		gdbsrv_cv_have_sync_builtins=yes,
		gdbsrv_cv_have_sync_builtins=no)])
if test $gdbsrv_cv_have_sync_builtins = yes; then
  AC_DEFINE(HAVE_SYNC_BUILTINS, 1,
    [Define to 1 if the target supports __sync_*_compare_and_swap])
fi

dnl Check for -fvisibility=hidden support in the compiler.
saved_cflags="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden"
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),
		        [gdbsrv_cv_have_visibility_hidden=yes],
	        	[gdbsrv_cv_have_visibility_hidden=no])
CFLAGS="$saved_cflags"

IPA_DEPFILES=""

# Rather than allowing to build a broken IPA, we simply disable it if
# we don't find a compiler supporting all the features we need.
if test "$ipa_obj" != "" \
   -a "$gdbsrv_cv_have_sync_builtins" = yes \
   -a "$gdbsrv_cv_have_visibility_hidden" = yes; then
   IPA_DEPFILES="$ipa_obj"
   extra_libraries="libinproctrace.so"
fi

AC_SUBST(GDBSERVER_DEPFILES)
AC_SUBST(GDBSERVER_LIBS)
AC_SUBST(USE_THREAD_DB)
AC_SUBST(srv_xmlbuiltin)
AC_SUBST(srv_xmlfiles)
AC_SUBST(IPA_DEPFILES)
AC_SUBST(extra_libraries)

AC_OUTPUT(Makefile,
[case x$CONFIG_HEADERS in
xconfig.h:config.in)
echo > stamp-h ;;
esac
])
Commit	Line	Data
d6e9fb05	1	dnl Autoconf configure script for GDB server.
abd775ce JB	2	dnl Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
abd775ce JB	3	dnl 2010 Free Software Foundation, Inc.
d6e9fb05 JK	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
5a0e3bd0	9	dnl the Free Software Foundation; either version 3 of the License, or
d6e9fb05 JK	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
5a0e3bd0	18	dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
d6e9fb05 JK	19
	20	dnl Process this file with autoconf to produce a configure script.
	21
bec39cab AC	22	AC_PREREQ(2.59)dnl
bec39cab AC	23
d6e9fb05	24	AC_INIT(server.c)
84563040	25	AC_CONFIG_HEADER(config.h:config.in)
e28b3332	26	AC_CONFIG_LIBOBJ_DIR(../gnulib)
84563040 DJ	27
84563040 DJ	28	AC_PROG_CC
fd462a61	29	AC_GNU_SOURCE
d6e9fb05 JK	30
d6e9fb05 JK	31	AC_CANONICAL_SYSTEM
84563040	32
d6e9fb05	33	AC_PROG_INSTALL
c906108c	34
dcdb98d2 DJ	35	AC_ARG_PROGRAM
dcdb98d2 DJ	36
ee6e2b82	37	AC_HEADER_STDC
84563040	38
0d62e5e8	39	AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
94e10508	40	proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
b80864fb	41	stdlib.h unistd.h dnl
1b3f6016	42	errno.h fcntl.h signal.h sys/file.h malloc.h dnl
61ff6e04	43	sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
b80864fb	44	netinet/tcp.h arpa/inet.h sys/wait.h)
4e799345	45	AC_CHECK_FUNCS(pread pwrite pread64)
e28b3332	46	AC_REPLACE_FUNCS(memmem)
84563040	47
0fb4aa4b PA	48	# Check for UST
	49	ustlibs=""
	50	ustinc=""
	51
	52	AC_ARG_WITH(ust, [ --with-ust=PATH Specify prefix directory for the installed UST package
	53	Equivalent to --with-ust-include=PATH/include
	54	plus --with-ust-lib=PATH/lib])
	55	AC_ARG_WITH(ust_include, [ --with-ust-include=PATH Specify directory for installed UST include files])
	56	AC_ARG_WITH(ust_lib, [ --with-ust-lib=PATH Specify the directory for the installed UST library])
	57
	58	case $with_ust in
	59	no)
	60	ustlibs=
	61	ustinc=
	62	;;
	63	"" \| yes)
	64	ustlibs=" -lust "
	65	ustinc=""
	66	;;
	67	*)
	68	ustlibs="-L$with_ust/lib -lust"
	69	ustinc="-I$with_ust/include "
	70	;;
	71	esac
	72	if test "x$with_ust_include" != x; then
	73	ustinc="-I$with_ust_include "
	74	fi
	75	if test "x$with_ust_lib" != x; then
	76	ustlibs="-L$with_ust_lib -lust"
	77	fi
	78
	79	if test "x$with_ust" != "xno"; then
	80	saved_CFLAGS="$CFLAGS"
	81	CFLAGS="$CFLAGS $ustinc"
	82	AC_MSG_CHECKING([for ust])
	83	AC_TRY_COMPILE([
	84	#define CONFIG_UST_GDB_INTEGRATION
	85	#include <ust/ust.h>
	86	],[],
	87	[AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_UST, 1, [Define if UST is available])],
	88	[AC_MSG_RESULT([no]); ustlibs= ; ustinc= ])
	89	CFLAGS="$saved_CFLAGS"
	90	fi
	91
	92	# Flags needed for UST
	93	AC_SUBST(ustlibs)
	94	AC_SUBST(ustinc)
	95
10e86dd7 DE	96	dnl dladdr is glibc-specific. It is used by thread-db.c but only for
	97	dnl debugging messages. It lives in -ldl which is handled below so we don't
	98	dnl use AC_CHECK_LIB (or AC_SEARCH_LIBS) here. Instead we just temporarily
	99	dnl augment LIBS.
	100	old_LIBS="$LIBS"
	101	LIBS="$LIBS -ldl"
	102	AC_CHECK_FUNCS(dladdr)
	103	LIBS="$old_LIBS"
	104
68070c10 PA	105	have_errno=no
	106	AC_MSG_CHECKING(for errno)
	107	AC_TRY_LINK([
	108	#if HAVE_ERRNO_H
	109	#include <errno.h>
	110	#endif], [static int x; x = errno;],
	111	[AC_MSG_RESULT(yes - in errno.h); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) have_errno=yes])
	112	if test $have_errno = no; then
	113	AC_TRY_LINK([
	114	#if HAVE_ERRNO_H
	115	#include <errno.h>
	116	#endif], [extern int errno; static int x; x = errno;],
	117	[AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) AC_DEFINE(MUST_DEFINE_ERRNO, 1, [Checking if errno must be defined])],
	118	[AC_MSG_RESULT(no)])
	119	fi
	120
ec56be1b	121	AC_CHECK_DECLS([strerror, perror, memmem])
43d5792c	122
ccbd4912 MK	123	AC_CHECK_TYPES(socklen_t, [], [],
	124	[#include <sys/types.h>
	125	#include <sys/socket.h>
	126	])
fb1e4ffc	127
c16158bc JM	128	ACX_PKGVERSION([GDB])
	129	ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
	130	AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
	131	AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
	132
8838b45e NS	133	# Check for various supplementary target information (beyond the
	134	# triplet) which might affect the choices in configure.srv.
	135	case "${target}" in
	136	changequote(,)dnl
	137	i[34567]86--linux)
	138	changequote([,])dnl
	139	AC_CACHE_CHECK([if building for x86-64], [gdb_cv_i386_is_x86_64],
	140	[save_CPPFLAGS="$CPPFLAGS"
	141	CPPFLAGS="$CPPFLAGS $CFLAGS"
	142	AC_EGREP_CPP([got it], [
	143	#if __x86_64__
	144	got it
	145	#endif
	146	], [gdb_cv_i386_is_x86_64=yes],
	147	[gdb_cv_i386_is_x86_64=no])
	148	CPPFLAGS="$save_CPPFLAGS"])
	149	;;
9ac544ce MK	150	m68k--)
	151	AC_CACHE_CHECK([if building for Coldfire], [gdb_cv_m68k_is_coldfire],
	152	[save_CPPFLAGS="$CPPFLAGS"
	153	CPPFLAGS="$CPPFLAGS $CFLAGS"
	154	AC_EGREP_CPP([got it], [
	155	#ifdef __mcoldfire__
	156	got it
	157	#endif
	158	], [gdb_cv_m68k_is_coldfire=yes],
	159	[gdb_cv_m68k_is_coldfire=no])
	160	CPPFLAGS="$save_CPPFLAGS"])
	161	;;
8838b45e NS	162	esac
8838b45e NS	163
7ea81414	164	. ${srcdir}/configure.srv
c906108c	165
68070c10 PA	166	if test "${srv_mingwce}" = "yes"; then
	167	LIBS="$LIBS -lws2"
	168	elif test "${srv_mingw}" = "yes"; then
12ea4b69	169	LIBS="$LIBS -lws2_32"
ac8c974e AR	170	elif test "${srv_qnx}" = "yes"; then
ac8c974e AR	171	LIBS="$LIBS -lsocket"
68070c10 PA	172	fi
	173
	174	if test "${srv_mingw}" = "yes"; then
b80864fb DJ	175	AC_DEFINE(USE_WIN32API, 1,
	176	[Define if we should use the Windows API, instead of the
	177	POSIX API. On Windows, we use the Windows API when
	178	building for MinGW, but the POSIX API when building
	179	for Cygwin.])
	180	fi
	181
58caa3dc	182	if test "${srv_linux_usrregs}" = "yes"; then
f450004a DJ	183	AC_DEFINE(HAVE_LINUX_USRREGS, 1,
	184	[Define if the target supports PTRACE_PEEKUSR for register ]
	185	[access.])
58caa3dc DJ	186	fi
	187
	188	if test "${srv_linux_regsets}" = "yes"; then
e9d25b98 DJ	189	AC_DEFINE(HAVE_LINUX_REGSETS, 1,
	190	[Define if the target supports register sets.])
	191
58caa3dc DJ	192	AC_MSG_CHECKING(for PTRACE_GETREGS)
	193	AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
	194	[AC_TRY_COMPILE([#include <sys/ptrace.h>],
	195	[PTRACE_GETREGS;],
	196	[gdbsrv_cv_have_ptrace_getregs=yes],
	197	[gdbsrv_cv_have_ptrace_getregs=no])])
	198	AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
	199	if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
e9d25b98	200	AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
f450004a DJ	201	[Define if the target supports PTRACE_GETREGS for register ]
f450004a DJ	202	[access.])
58caa3dc DJ	203	fi
	204
	205	AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
	206	AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
	207	[AC_TRY_COMPILE([#include <sys/ptrace.h>],
	208	[PTRACE_GETFPXREGS;],
	209	[gdbsrv_cv_have_ptrace_getfpxregs=yes],
	210	[gdbsrv_cv_have_ptrace_getfpxregs=no])])
	211	AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
	212	if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
f450004a DJ	213	AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
	214	[Define if the target supports PTRACE_GETFPXREGS for extended ]
	215	[register access.])
58caa3dc DJ	216	fi
	217	fi
	218
0d62e5e8 DJ	219	if test "$ac_cv_header_sys_procfs_h" = yes; then
	220	BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
	221	BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
	222	BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
0d62e5e8 DJ	223	BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
	224	fi
	225
193f13e6 MK	226	dnl Check for libdl, but do not add it to LIBS as only gdbserver
	227	dnl needs it (and gdbreplay doesn't).
	228	old_LIBS="$LIBS"
	229	AC_CHECK_LIB(dl, dlopen)
	230	LIBS="$old_LIBS"
	231
0d62e5e8 DJ	232	srv_thread_depfiles=
	233	srv_libs=
	234	USE_THREAD_DB=
	235
	236	if test "$srv_linux_thread_db" = "yes"; then
193f13e6 MK	237	if test "$ac_cv_lib_dl_dlopen" = "yes"; then
193f13e6 MK	238	srv_libs="-ldl"
f6528abd	239	AC_MSG_CHECKING(for the dynamic export flag)
193f13e6	240	old_LDFLAGS="$LDFLAGS"
f6528abd JK	241	# Older GNU ld supports --export-dynamic but --dynamic-list may not be
	242	# supported there.
	243	RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
	244	LDFLAGS="$LDFLAGS $RDYNAMIC"
	245	AC_TRY_LINK([], [],
	246	[found="-Wl,--dynamic-list"
	247	RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'],
	248	[RDYNAMIC="-rdynamic"
	249	LDFLAGS="$old_LDFLAGS $RDYNAMIC"
	250	AC_TRY_LINK([], [],
	251	[found="-rdynamic"],
	252	[found="no"
	253	RDYNAMIC=""])])
193f13e6 MK	254	AC_SUBST(RDYNAMIC)
193f13e6 MK	255	LDFLAGS="$old_LDFLAGS"
f6528abd	256	AC_MSG_RESULT($found)
193f13e6 MK	257	else
	258	srv_libs="-lthread_db"
	259	fi
0d62e5e8	260
0d62e5e8 DJ	261	srv_thread_depfiles="thread-db.o proc-service.o"
0d62e5e8 DJ	262	USE_THREAD_DB="-DUSE_THREAD_DB"
3db0444b DJ	263	AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version,
3db0444b DJ	264	[AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;],
1b3f6016 PA	265	[gdbsrv_cv_have_td_version=yes],
1b3f6016 PA	266	[gdbsrv_cv_have_td_version=no])])
3db0444b DJ	267	if test $gdbsrv_cv_have_td_version = yes; then
	268	AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.])
	269	fi
0d62e5e8 DJ	270	fi
0d62e5e8 DJ	271
96f15937 PP	272	AC_ARG_WITH(libthread-db,
	273	AS_HELP_STRING([--with-libthread-db=PATH], [use given libthread_db directly]),
	274	[srv_libthread_db_path="${withval}"
96f15937 PP	275	srv_libs="$srv_libthread_db_path"
	276	])
	277
193f13e6 MK	278	if test "$srv_libs" != "" -a "$srv_libs" != "-ldl"; then
	279	AC_DEFINE(USE_LIBTHREAD_DB_DIRECTLY, 1, [Define if we should use libthread_db directly.])
	280	fi
	281
9b4b61c8	282	if test "$srv_xmlfiles" != ""; then
fb1e4ffc DJ	283	srv_xmlbuiltin="xml-builtin.o"
	284	AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.])
	285
	286	tmp_xmlfiles=$srv_xmlfiles
9b4b61c8	287	srv_xmlfiles=""
fb1e4ffc DJ	288	for f in $tmp_xmlfiles; do
	289	srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f"
	290	done
	291	fi
	292
59a016f0	293	GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles"
0d62e5e8	294	GDBSERVER_LIBS="$srv_libs"
c906108c	295
fa593d66 PA	296	dnl Check whether the target supports __sync_*_compare_and_swap.
	297	AC_CACHE_CHECK([whether the target supports __sync_*_compare_and_swap],
	298	gdbsrv_cv_have_sync_builtins, [
	299	AC_TRY_LINK([], [int foo, bar; bar = __sync_val_compare_and_swap(&foo, 0, 1);],
	300	gdbsrv_cv_have_sync_builtins=yes,
	301	gdbsrv_cv_have_sync_builtins=no)])
	302	if test $gdbsrv_cv_have_sync_builtins = yes; then
	303	AC_DEFINE(HAVE_SYNC_BUILTINS, 1,
	304	[Define to 1 if the target supports __sync_*_compare_and_swap])
	305	fi
	306
	307	dnl Check for -fvisibility=hidden support in the compiler.
	308	saved_cflags="$CFLAGS"
	309	CFLAGS="$CFLAGS -fvisibility=hidden"
	310	AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),
	311	[gdbsrv_cv_have_visibility_hidden=yes],
	312	[gdbsrv_cv_have_visibility_hidden=no])
	313	CFLAGS="$saved_cflags"
	314
	315	IPA_DEPFILES=""
	316
	317	# Rather than allowing to build a broken IPA, we simply disable it if
	318	# we don't find a compiler supporting all the features we need.
	319	if test "$ipa_obj" != "" \
	320	-a "$gdbsrv_cv_have_sync_builtins" = yes \
	321	-a "$gdbsrv_cv_have_visibility_hidden" = yes; then
	322	IPA_DEPFILES="$ipa_obj"
	323	extra_libraries="libinproctrace.so"
	324	fi
	325
7ea81414	326	AC_SUBST(GDBSERVER_DEPFILES)
0d62e5e8 DJ	327	AC_SUBST(GDBSERVER_LIBS)
0d62e5e8 DJ	328	AC_SUBST(USE_THREAD_DB)
fb1e4ffc DJ	329	AC_SUBST(srv_xmlbuiltin)
fb1e4ffc DJ	330	AC_SUBST(srv_xmlfiles)
fa593d66 PA	331	AC_SUBST(IPA_DEPFILES)
fa593d66 PA	332	AC_SUBST(extra_libraries)
c906108c	333
c3a3ccc7 DJ	334	AC_OUTPUT(Makefile,
	335	[case x$CONFIG_HEADERS in
	336	xconfig.h:config.in)
	337	echo > stamp-h ;;
	338	esac
	339	])