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

dnl Autoconf configure script for GDB server.
dnl Copyright (C) 2000-2020 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_INIT(server.cc)
AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])

AM_MAINTAINER_MODE

AC_PROG_CC
AC_PROG_CXX
AC_GNU_SOURCE
AC_SYS_LARGEFILE
AM_PROG_INSTALL_STRIP

AC_CANONICAL_SYSTEM

AC_PROG_INSTALL
AC_CHECK_TOOL(AR, ar)
AC_PROG_RANLIB

AC_ARG_PROGRAM

# We require a C++11 compiler.  Check if one is available, and if
# necessary, set CXX_DIALECT to some -std=xxx switch.
AX_CXX_COMPILE_STDCXX(11, , mandatory)

AC_HEADER_STDC

GDB_AC_COMMON

GDB_AC_SELFTEST([
  srv_selftest_objs="gdbsupport/selftest.o"
])

ACX_NONCANONICAL_TARGET
ACX_NONCANONICAL_HOST

# Dependency checking.
ZW_CREATE_DEPDIR

dnl Set up for gettext.
ZW_GNU_GETTEXT_SISTER_DIR

# Create sub-directories for objects and dependencies.
CONFIG_SRC_SUBDIR="arch gdbsupport nat target"
AC_SUBST(CONFIG_SRC_SUBDIR)

AC_CONFIG_COMMANDS([gdbdepdir],[
  for subdir in ${CONFIG_SRC_SUBDIR}
  do
      $SHELL $ac_aux_dir/mkinstalldirs $subdir/$DEPDIR
  done],
  [ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR CONFIG_SRC_SUBDIR="$CONFIG_SRC_SUBDIR"])

ZW_PROG_COMPILER_DEPENDENCIES([CC])

AC_CHECK_HEADERS(termios.h sys/reg.h string.h dnl
		 sys/procfs.h linux/elf.h dnl
		 fcntl.h signal.h sys/file.h dnl
		 sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
		 netinet/tcp.h arpa/inet.h)
AC_FUNC_FORK
AC_CHECK_FUNCS(pread pwrite pread64)

# Check the return and argument types of ptrace.
GDB_AC_PTRACE

# 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)

AM_GDB_WARNINGS

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"

libiberty_INIT

AC_CHECK_DECLS([perror, vasprintf, vsnprintf])

# See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
# Older amd64 Linux's don't have the fs_base and gs_base members of
# `struct user_regs_struct'.
AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
     [], [], [#include <sys/types.h>
#include <sys/user.h>])


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

case "${target}" in
  *-android*)
    # Starting with NDK version 9, <elf.h> actually includes definitions
    # of Elf32_auxv_t and Elf64_auxv_t. But sadly, <elf.h> includes
    # <sys/exec_elf.h> which defines some of the ELF types incorrectly,
    # leading to conflicts with the defintions from <linux/elf.h>.
    # This makes it impossible for us to include both <elf.h> and
    # <linux/elf.h>, which means that, in practice, we do not have
    # access to Elf32_auxv_t and Elf64_auxv_t on this platform.
    # Therefore, do not try to auto-detect availability, as it would
    # get it wrong on this platform.
    ;;
  *)
    AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [],
    #include <elf.h>
    )
esac

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"])
    ;;

  x86_64-*-linux*)
    AC_CACHE_CHECK([if building for x32], [gdb_cv_x86_is_x32],
		   [save_CPPFLAGS="$CPPFLAGS"
		    CPPFLAGS="$CPPFLAGS $CFLAGS"
		    AC_EGREP_CPP([got it], [
#if __x86_64__ && __ILP32__
got it
#endif
		 ], [gdb_cv_x86_is_x32=yes],
		    [gdb_cv_x86_is_x32=no])
		    CPPFLAGS="$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 "${srv_mingw}" = "yes"; then
  # WIN32APILIBS is set by GDB_AC_COMMON.
  LIBS="$LIBS $WIN32APILIBS"
elif test "${srv_qnx}" = "yes"; then
  LIBS="$LIBS -lsocket"
elif test "${srv_lynxos}" = "yes"; then
  LIBS="$LIBS -lnetinet"
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 "${srv_linux_btrace}" = "yes"; then
  AC_DEFINE(HAVE_LINUX_BTRACE, 1,
	    [Define if the target supports branch tracing.])
fi

dnl Some systems (e.g., Android) have lwpid_t defined in libthread_db.h.
if test "$bfd_cv_have_sys_procfs_type_lwpid_t" != yes; then
  GDBSERVER_HAVE_THREAD_DB_TYPE(lwpid_t)
fi

dnl Some systems (e.g., Android) have psaddr_t defined in libthread_db.h.
if test "$bfd_cv_have_sys_procfs_type_psaddr_t" != yes; then
  GDBSERVER_HAVE_THREAD_DB_TYPE(psaddr_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=

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"
  AC_DEFINE(USE_THREAD_DB, 1, [Define if we should use libthread_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 $srv_selftest_objs"
GDBSERVER_LIBS="$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=""
extra_libraries=""

# check whether to enable the inprocess agent
if test "$ipa_obj" != "" \
   -a "$gdbsrv_cv_have_sync_builtins" = yes \
   -a "$gdbsrv_cv_have_visibility_hidden" = yes; then
   have_ipa=true
else
   have_ipa=false
fi

AC_ARG_ENABLE(inprocess-agent,
AS_HELP_STRING([--enable-inprocess-agent], [inprocess agent]),
[case "$enableval" in
  yes) want_ipa=true ;;
  no) want_ipa=false ;;
  *) AC_MSG_ERROR([bad value $enableval for inprocess-agent]) ;;
esac],
[want_ipa=$have_ipa])

if $want_ipa ; then
   if $have_ipa ; then
     IPA_DEPFILES="$ipa_obj"
     extra_libraries="$extra_libraries libinproctrace.so"
   else
     AC_MSG_ERROR([inprocess agent not supported for this target])
   fi
fi

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

GNULIB=../gnulib/import

GNULIB_STDINT_H=
if test x"$STDINT_H" != x; then
  GNULIB_STDINT_H=$GNULIB/$STDINT_H
fi
AC_SUBST(GNULIB_STDINT_H)

AC_CONFIG_FILES([Makefile])

AC_OUTPUT
Commit	Line	Data
d6e9fb05	1	dnl Autoconf configure script for GDB server.
b811d2c2	2	dnl Copyright (C) 2000-2020 Free Software Foundation, Inc.
d6e9fb05 JK	3	dnl
	4	dnl This file is part of GDB.
	5	dnl
	6	dnl This program is free software; you can redistribute it and/or modify
	7	dnl it under the terms of the GNU General Public License as published by
5a0e3bd0	8	dnl the Free Software Foundation; either version 3 of the License, or
d6e9fb05 JK	9	dnl (at your option) any later version.
	10	dnl
	11	dnl This program is distributed in the hope that it will be useful,
	12	dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	dnl GNU General Public License for more details.
	15	dnl
	16	dnl You should have received a copy of the GNU General Public License
5a0e3bd0	17	dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
d6e9fb05 JK	18
	19	dnl Process this file with autoconf to produce a configure script.
	20
feacfcac	21	AC_INIT(server.cc)
c5adaa19	22	AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])
c9a1864a YQ	23
c9a1864a YQ	24	AM_MAINTAINER_MODE
84563040 DJ	25
84563040 DJ	26	AC_PROG_CC
3bc3d82a	27	AC_PROG_CXX
fd462a61	28	AC_GNU_SOURCE
589bc927	29	AC_SYS_LARGEFILE
bdaed379	30	AM_PROG_INSTALL_STRIP
d6e9fb05 JK	31
d6e9fb05 JK	32	AC_CANONICAL_SYSTEM
84563040	33
d6e9fb05	34	AC_PROG_INSTALL
e1d2394b	35	AC_CHECK_TOOL(AR, ar)
c971b7fa	36	AC_PROG_RANLIB
c906108c	37
dcdb98d2 DJ	38	AC_ARG_PROGRAM
dcdb98d2 DJ	39
0bcda685 PA	40	# We require a C++11 compiler. Check if one is available, and if
	41	# necessary, set CXX_DIALECT to some -std=xxx switch.
	42	AX_CXX_COMPILE_STDCXX(11, , mandatory)
	43
ee6e2b82	44	AC_HEADER_STDC
84563040	45
db6878ac	46	GDB_AC_COMMON
17ef446e	47
8ecfd7bd	48	GDB_AC_SELFTEST([
268a13a5	49	srv_selftest_objs="gdbsupport/selftest.o"
8ecfd7bd	50	])
6d580b63	51
bd885420 YQ	52	ACX_NONCANONICAL_TARGET
	53	ACX_NONCANONICAL_HOST
	54
61c125b9 TT	55	# Dependency checking.
61c125b9 TT	56	ZW_CREATE_DEPDIR
60d6cfc9	57
9a665d62 TT	58	dnl Set up for gettext.
	59	ZW_GNU_GETTEXT_SISTER_DIR
	60
60d6cfc9	61	# Create sub-directories for objects and dependencies.
42cd72aa	62	CONFIG_SRC_SUBDIR="arch gdbsupport nat target"
60d6cfc9 YQ	63	AC_SUBST(CONFIG_SRC_SUBDIR)
	64
	65	AC_CONFIG_COMMANDS([gdbdepdir],[
	66	for subdir in ${CONFIG_SRC_SUBDIR}
	67	do
	68	$SHELL $ac_aux_dir/mkinstalldirs $subdir/$DEPDIR
	69	done],
	70	[ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR CONFIG_SRC_SUBDIR="$CONFIG_SRC_SUBDIR"])
	71
61c125b9 TT	72	ZW_PROG_COMPILER_DEPENDENCIES([CC])
61c125b9 TT	73
726e1356	74	AC_CHECK_HEADERS(termios.h sys/reg.h string.h dnl
05ea2a05	75	sys/procfs.h linux/elf.h dnl
9c232dda	76	fcntl.h signal.h sys/file.h dnl
80e24d09	77	sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
1bd2f0ba	78	netinet/tcp.h arpa/inet.h)
eb0edac8	79	AC_FUNC_FORK
05ea2a05	80	AC_CHECK_FUNCS(pread pwrite pread64)
84563040	81
eb7aa561 PA	82	# Check the return and argument types of ptrace.
	83	GDB_AC_PTRACE
	84
0fb4aa4b PA	85	# Check for UST
	86	ustlibs=""
	87	ustinc=""
	88
	89	AC_ARG_WITH(ust, [ --with-ust=PATH Specify prefix directory for the installed UST package
	90	Equivalent to --with-ust-include=PATH/include
	91	plus --with-ust-lib=PATH/lib])
	92	AC_ARG_WITH(ust_include, [ --with-ust-include=PATH Specify directory for installed UST include files])
	93	AC_ARG_WITH(ust_lib, [ --with-ust-lib=PATH Specify the directory for the installed UST library])
	94
	95	case $with_ust in
	96	no)
	97	ustlibs=
	98	ustinc=
	99	;;
	100	"" \| yes)
	101	ustlibs=" -lust "
	102	ustinc=""
	103	;;
	104	*)
	105	ustlibs="-L$with_ust/lib -lust"
	106	ustinc="-I$with_ust/include "
	107	;;
	108	esac
	109	if test "x$with_ust_include" != x; then
	110	ustinc="-I$with_ust_include "
	111	fi
	112	if test "x$with_ust_lib" != x; then
	113	ustlibs="-L$with_ust_lib -lust"
	114	fi
	115
	116	if test "x$with_ust" != "xno"; then
	117	saved_CFLAGS="$CFLAGS"
	118	CFLAGS="$CFLAGS $ustinc"
	119	AC_MSG_CHECKING([for ust])
	120	AC_TRY_COMPILE([
	121	#define CONFIG_UST_GDB_INTEGRATION
	122	#include <ust/ust.h>
	123	],[],
	124	[AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_UST, 1, [Define if UST is available])],
	125	[AC_MSG_RESULT([no]); ustlibs= ; ustinc= ])
	126	CFLAGS="$saved_CFLAGS"
	127	fi
	128
	129	# Flags needed for UST
	130	AC_SUBST(ustlibs)
	131	AC_SUBST(ustinc)
	132
8f13a3ce	133	AM_GDB_WARNINGS
3bc3d82a	134
10e86dd7 DE	135	dnl dladdr is glibc-specific. It is used by thread-db.c but only for
	136	dnl debugging messages. It lives in -ldl which is handled below so we don't
	137	dnl use AC_CHECK_LIB (or AC_SEARCH_LIBS) here. Instead we just temporarily
	138	dnl augment LIBS.
	139	old_LIBS="$LIBS"
	140	LIBS="$LIBS -ldl"
	141	AC_CHECK_FUNCS(dladdr)
	142	LIBS="$old_LIBS"
	143
07697489 PA	144	libiberty_INIT
07697489 PA	145
ab7d13f0	146	AC_CHECK_DECLS([perror, vasprintf, vsnprintf])
43d5792c	147
239b6d10 WT	148	# See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
	149	# Older amd64 Linux's don't have the fs_base and gs_base members of
	150	# `struct user_regs_struct'.
	151	AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
f517c180 EA	152	[], [], [#include <sys/types.h>
f517c180 EA	153	#include <sys/user.h>])
239b6d10 WT	154
239b6d10 WT	155
ccbd4912 MK	156	AC_CHECK_TYPES(socklen_t, [], [],
	157	[#include <sys/types.h>
	158	#include <sys/socket.h>
	159	])
fb1e4ffc	160
64da5dd5 JB	161	case "${target}" in
	162	-android)
	163	# Starting with NDK version 9, <elf.h> actually includes definitions
	164	# of Elf32_auxv_t and Elf64_auxv_t. But sadly, <elf.h> includes
	165	# <sys/exec_elf.h> which defines some of the ELF types incorrectly,
	166	# leading to conflicts with the defintions from <linux/elf.h>.
	167	# This makes it impossible for us to include both <elf.h> and
	168	# <linux/elf.h>, which means that, in practice, we do not have
	169	# access to Elf32_auxv_t and Elf64_auxv_t on this platform.
	170	# Therefore, do not try to auto-detect availability, as it would
	171	# get it wrong on this platform.
	172	;;
	173	*)
	174	AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [],
	175	#include <elf.h>
	176	)
	177	esac
8365dcf5	178
c16158bc JM	179	ACX_PKGVERSION([GDB])
	180	ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
	181	AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
	182	AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
	183
8838b45e NS	184	# Check for various supplementary target information (beyond the
	185	# triplet) which might affect the choices in configure.srv.
	186	case "${target}" in
	187	changequote(,)dnl
	188	i[34567]86--linux)
	189	changequote([,])dnl
	190	AC_CACHE_CHECK([if building for x86-64], [gdb_cv_i386_is_x86_64],
	191	[save_CPPFLAGS="$CPPFLAGS"
	192	CPPFLAGS="$CPPFLAGS $CFLAGS"
	193	AC_EGREP_CPP([got it], [
	194	#if __x86_64__
	195	got it
	196	#endif
	197	], [gdb_cv_i386_is_x86_64=yes],
	198	[gdb_cv_i386_is_x86_64=no])
	199	CPPFLAGS="$save_CPPFLAGS"])
	200	;;
201506da PA	201
	202	x86_64--linux)
	203	AC_CACHE_CHECK([if building for x32], [gdb_cv_x86_is_x32],
	204	[save_CPPFLAGS="$CPPFLAGS"
	205	CPPFLAGS="$CPPFLAGS $CFLAGS"
	206	AC_EGREP_CPP([got it], [
	207	#if __x86_64__ && __ILP32__
	208	got it
	209	#endif
	210	], [gdb_cv_x86_is_x32=yes],
	211	[gdb_cv_x86_is_x32=no])
	212	CPPFLAGS="$save_CPPFLAGS"])
	213	;;
	214
9ac544ce MK	215	m68k--)
	216	AC_CACHE_CHECK([if building for Coldfire], [gdb_cv_m68k_is_coldfire],
	217	[save_CPPFLAGS="$CPPFLAGS"
	218	CPPFLAGS="$CPPFLAGS $CFLAGS"
	219	AC_EGREP_CPP([got it], [
	220	#ifdef __mcoldfire__
	221	got it
	222	#endif
	223	], [gdb_cv_m68k_is_coldfire=yes],
	224	[gdb_cv_m68k_is_coldfire=no])
	225	CPPFLAGS="$save_CPPFLAGS"])
	226	;;
8838b45e NS	227	esac
8838b45e NS	228
7ea81414	229	. ${srcdir}/configure.srv
c906108c	230
68070c10 PA	231	if test "${srv_mingwce}" = "yes"; then
	232	LIBS="$LIBS -lws2"
	233	elif test "${srv_mingw}" = "yes"; then
b2ceabe8 TT	234	# WIN32APILIBS is set by GDB_AC_COMMON.
b2ceabe8 TT	235	LIBS="$LIBS $WIN32APILIBS"
ac8c974e AR	236	elif test "${srv_qnx}" = "yes"; then
ac8c974e AR	237	LIBS="$LIBS -lsocket"
8ed54b31 JB	238	elif test "${srv_lynxos}" = "yes"; then
8ed54b31 JB	239	LIBS="$LIBS -lnetinet"
68070c10 PA	240	fi
68070c10 PA	241
58caa3dc	242	if test "${srv_linux_usrregs}" = "yes"; then
f450004a DJ	243	AC_DEFINE(HAVE_LINUX_USRREGS, 1,
	244	[Define if the target supports PTRACE_PEEKUSR for register ]
	245	[access.])
58caa3dc DJ	246	fi
	247
	248	if test "${srv_linux_regsets}" = "yes"; then
e9d25b98 DJ	249	AC_DEFINE(HAVE_LINUX_REGSETS, 1,
	250	[Define if the target supports register sets.])
	251
58caa3dc DJ	252	AC_MSG_CHECKING(for PTRACE_GETREGS)
	253	AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
	254	[AC_TRY_COMPILE([#include <sys/ptrace.h>],
	255	[PTRACE_GETREGS;],
	256	[gdbsrv_cv_have_ptrace_getregs=yes],
	257	[gdbsrv_cv_have_ptrace_getregs=no])])
	258	AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
	259	if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
e9d25b98	260	AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
f450004a DJ	261	[Define if the target supports PTRACE_GETREGS for register ]
f450004a DJ	262	[access.])
58caa3dc DJ	263	fi
	264
	265	AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
	266	AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
	267	[AC_TRY_COMPILE([#include <sys/ptrace.h>],
	268	[PTRACE_GETFPXREGS;],
	269	[gdbsrv_cv_have_ptrace_getfpxregs=yes],
	270	[gdbsrv_cv_have_ptrace_getfpxregs=no])])
	271	AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
	272	if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
f450004a DJ	273	AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
	274	[Define if the target supports PTRACE_GETFPXREGS for extended ]
	275	[register access.])
58caa3dc DJ	276	fi
	277	fi
	278
9accd112 MM	279	if test "${srv_linux_btrace}" = "yes"; then
	280	AC_DEFINE(HAVE_LINUX_BTRACE, 1,
	281	[Define if the target supports branch tracing.])
	282	fi
	283
18f5fd81 TJB	284	dnl Some systems (e.g., Android) have lwpid_t defined in libthread_db.h.
	285	if test "$bfd_cv_have_sys_procfs_type_lwpid_t" != yes; then
	286	GDBSERVER_HAVE_THREAD_DB_TYPE(lwpid_t)
	287	fi
	288
	289	dnl Some systems (e.g., Android) have psaddr_t defined in libthread_db.h.
	290	if test "$bfd_cv_have_sys_procfs_type_psaddr_t" != yes; then
	291	GDBSERVER_HAVE_THREAD_DB_TYPE(psaddr_t)
	292	fi
	293
193f13e6 MK	294	dnl Check for libdl, but do not add it to LIBS as only gdbserver
	295	dnl needs it (and gdbreplay doesn't).
	296	old_LIBS="$LIBS"
	297	AC_CHECK_LIB(dl, dlopen)
	298	LIBS="$old_LIBS"
	299
0d62e5e8 DJ	300	srv_thread_depfiles=
0d62e5e8 DJ	301	srv_libs=
0d62e5e8 DJ	302
0d62e5e8 DJ	303	if test "$srv_linux_thread_db" = "yes"; then
193f13e6 MK	304	if test "$ac_cv_lib_dl_dlopen" = "yes"; then
193f13e6 MK	305	srv_libs="-ldl"
f6528abd	306	AC_MSG_CHECKING(for the dynamic export flag)
193f13e6	307	old_LDFLAGS="$LDFLAGS"
f6528abd JK	308	# Older GNU ld supports --export-dynamic but --dynamic-list may not be
	309	# supported there.
	310	RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
	311	LDFLAGS="$LDFLAGS $RDYNAMIC"
	312	AC_TRY_LINK([], [],
	313	[found="-Wl,--dynamic-list"
	314	RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'],
	315	[RDYNAMIC="-rdynamic"
	316	LDFLAGS="$old_LDFLAGS $RDYNAMIC"
	317	AC_TRY_LINK([], [],
	318	[found="-rdynamic"],
	319	[found="no"
	320	RDYNAMIC=""])])
193f13e6 MK	321	AC_SUBST(RDYNAMIC)
193f13e6 MK	322	LDFLAGS="$old_LDFLAGS"
f6528abd	323	AC_MSG_RESULT($found)
193f13e6 MK	324	else
	325	srv_libs="-lthread_db"
	326	fi
0d62e5e8	327
0d62e5e8	328	srv_thread_depfiles="thread-db.o proc-service.o"
7d4e5717	329	AC_DEFINE(USE_THREAD_DB, 1, [Define if we should use libthread_db.])
3db0444b DJ	330	AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version,
3db0444b DJ	331	[AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;],
1b3f6016 PA	332	[gdbsrv_cv_have_td_version=yes],
1b3f6016 PA	333	[gdbsrv_cv_have_td_version=no])])
0ad6b8ee	334	if test "$gdbsrv_cv_have_td_version" = yes; then
3db0444b DJ	335	AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.])
3db0444b DJ	336	fi
0d62e5e8 DJ	337	fi
0d62e5e8 DJ	338
96f15937 PP	339	AC_ARG_WITH(libthread-db,
	340	AS_HELP_STRING([--with-libthread-db=PATH], [use given libthread_db directly]),
	341	[srv_libthread_db_path="${withval}"
96f15937 PP	342	srv_libs="$srv_libthread_db_path"
	343	])
	344
193f13e6 MK	345	if test "$srv_libs" != "" -a "$srv_libs" != "-ldl"; then
	346	AC_DEFINE(USE_LIBTHREAD_DB_DIRECTLY, 1, [Define if we should use libthread_db directly.])
	347	fi
	348
9b4b61c8	349	if test "$srv_xmlfiles" != ""; then
fb1e4ffc DJ	350	srv_xmlbuiltin="xml-builtin.o"
	351	AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.])
	352
	353	tmp_xmlfiles=$srv_xmlfiles
9b4b61c8	354	srv_xmlfiles=""
fb1e4ffc DJ	355	for f in $tmp_xmlfiles; do
	356	srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f"
	357	done
	358	fi
	359
cd850b40	360	GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles $srv_selftest_objs"
0d62e5e8	361	GDBSERVER_LIBS="$srv_libs"
c906108c	362
fa593d66 PA	363	dnl Check whether the target supports __sync_*_compare_and_swap.
	364	AC_CACHE_CHECK([whether the target supports __sync_*_compare_and_swap],
	365	gdbsrv_cv_have_sync_builtins, [
	366	AC_TRY_LINK([], [int foo, bar; bar = __sync_val_compare_and_swap(&foo, 0, 1);],
	367	gdbsrv_cv_have_sync_builtins=yes,
	368	gdbsrv_cv_have_sync_builtins=no)])
0ad6b8ee	369	if test "$gdbsrv_cv_have_sync_builtins" = yes; then
fa593d66 PA	370	AC_DEFINE(HAVE_SYNC_BUILTINS, 1,
	371	[Define to 1 if the target supports __sync_*_compare_and_swap])
	372	fi
	373
	374	dnl Check for -fvisibility=hidden support in the compiler.
	375	saved_cflags="$CFLAGS"
	376	CFLAGS="$CFLAGS -fvisibility=hidden"
d0ac1c44	377	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
fa593d66 PA	378	[gdbsrv_cv_have_visibility_hidden=yes],
	379	[gdbsrv_cv_have_visibility_hidden=no])
	380	CFLAGS="$saved_cflags"
	381
	382	IPA_DEPFILES=""
c2a66c29	383	extra_libraries=""
fa593d66	384
c2a66c29	385	# check whether to enable the inprocess agent
fa593d66 PA	386	if test "$ipa_obj" != "" \
	387	-a "$gdbsrv_cv_have_sync_builtins" = yes \
	388	-a "$gdbsrv_cv_have_visibility_hidden" = yes; then
c2a66c29 NS	389	have_ipa=true
	390	else
	391	have_ipa=false
	392	fi
	393
	394	AC_ARG_ENABLE(inprocess-agent,
	395	AS_HELP_STRING([--enable-inprocess-agent], [inprocess agent]),
	396	[case "$enableval" in
	397	yes) want_ipa=true ;;
	398	no) want_ipa=false ;;
	399	*) AC_MSG_ERROR([bad value $enableval for inprocess-agent]) ;;
	400	esac],
	401	[want_ipa=$have_ipa])
	402
	403	if $want_ipa ; then
	404	if $have_ipa ; then
	405	IPA_DEPFILES="$ipa_obj"
	406	extra_libraries="$extra_libraries libinproctrace.so"
	407	else
	408	AC_MSG_ERROR([inprocess agent not supported for this target])
	409	fi
fa593d66 PA	410	fi
fa593d66 PA	411
7ea81414	412	AC_SUBST(GDBSERVER_DEPFILES)
0d62e5e8	413	AC_SUBST(GDBSERVER_LIBS)
fb1e4ffc DJ	414	AC_SUBST(srv_xmlbuiltin)
fb1e4ffc DJ	415	AC_SUBST(srv_xmlfiles)
fa593d66 PA	416	AC_SUBST(IPA_DEPFILES)
fa593d66 PA	417	AC_SUBST(extra_libraries)
c906108c	418
1a627e7e	419	GNULIB=../gnulib/import
c9a1864a YQ	420
	421	GNULIB_STDINT_H=
	422	if test x"$STDINT_H" != x; then
c971b7fa	423	GNULIB_STDINT_H=$GNULIB/$STDINT_H
c9a1864a YQ	424	fi
	425	AC_SUBST(GNULIB_STDINT_H)
	426
c5adaa19	427	AC_CONFIG_FILES([Makefile])
1e94266c SM	428
1e94266c SM	429	AC_OUTPUT