gdb/gdbserver/configure.ac - binutils-gdb - Git at Google

 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)

 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 -lwsock32"
 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

 srv_thread_depfiles=
 srv_libs=
 USE_THREAD_DB=

 if test "$srv_linux_thread_db" = "yes"; then
   srv_libs="-ldl"
   old_LDFLAGS="$LDFLAGS"
   LDFLAGS="$LDFLAGS -rdynamic"
   AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
   AC_SUBST(RDYNAMIC)
   LDFLAGS="$old_LDFLAGS"

   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="${withval}"
   AC_DEFINE(USE_LIBTHREAD_DB_DIRECTLY, 1, [Define if we should use libthread_db directly.])
   srv_libs="$srv_libthread_db_path"
 ])

 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"

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

 AC_OUTPUT(Makefile,
 [case x$CONFIG_HEADERS in
 xconfig.h:config.in)
 echo > stamp-h ;;
 esac
 ])
	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)

	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 -lwsock32"
	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

	srv_thread_depfiles=
	srv_libs=
	USE_THREAD_DB=

	if test "$srv_linux_thread_db" = "yes"; then
	srv_libs="-ldl"
	old_LDFLAGS="$LDFLAGS"
	LDFLAGS="$LDFLAGS -rdynamic"
	AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
	AC_SUBST(RDYNAMIC)
	LDFLAGS="$old_LDFLAGS"

	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="${withval}"
	AC_DEFINE(USE_LIBTHREAD_DB_DIRECTLY, 1, [Define if we should use libthread_db directly.])
	srv_libs="$srv_libthread_db_path"
	])

	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"

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

	AC_OUTPUT(Makefile,
	[case x$CONFIG_HEADERS in
	xconfig.h:config.in)
	echo > stamp-h ;;
	esac
	])