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blob: 2a7213607676708e7fde70a1241964e8daa67924 [file] [log] [blame]
dnl Autoconf configure script for GDB, the GNU debugger.
dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
dnl 2005, 2006
dnl 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 2 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, write to the Free Software
dnl Foundation, Inc., 51 Franklin Street, Fifth Floor,
dnl Boston, MA 02110-1301, USA.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)dnl
AC_INIT(main.c)
AC_CONFIG_HEADER(config.h:config.in)
AM_MAINTAINER_MODE
AC_PROG_CC
AC_GNU_SOURCE
AC_AIX
AC_ISC_POSIX
AM_PROG_CC_STDC
AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
AC_CANONICAL_SYSTEM
dnl List of object files and targets accumulated by configure.
CONFIG_OBS=
CONFIG_DEPS=
CONFIG_SRCS=
ENABLE_CFLAGS=
CONFIG_ALL=
CONFIG_CLEAN=
CONFIG_INSTALL=
CONFIG_UNINSTALL=
dnl Set up for gettext.
ZW_GNU_GETTEXT_SISTER_DIR
localedir='${datadir}/locale'
AC_SUBST(localedir)
if test x"$USE_NLS" = xyes; then
CONFIG_ALL="$CONFIG_ALL all-po"
CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
CONFIG_INSTALL="$CONFIG_INSTALL install-po"
CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
fi
PACKAGE=gdb
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
AC_SUBST(PACKAGE)
debugdir=${libdir}/debug
AC_ARG_WITH(separate-debug-dir,
[ --with-separate-debug-dir=path Look for global separate debug info in this path [LIBDIR/debug]],
[debugdir="${withval}"])
AC_DEFINE_DIR(DEBUGDIR, debugdir,
[Global directory for separate debug files. ])
#AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
AC_CONFIG_SUBDIRS(doc testsuite)
# Provide defaults for some variables set by the per-host and per-target
# configuration.
gdb_host_obs=posix-hdep.o
if test "${target}" = "${host}"; then
gdb_native=yes
else
gdb_native=no
fi
. $srcdir/configure.host
. $srcdir/configure.tgt
# Fetch the default architecture and default target vector from BFD.
targ=$target; . $srcdir/../bfd/config.bfd
# We only want the first architecture, so strip off the others if
# there is more than one.
targ_archs=`echo $targ_archs | sed 's/ .*//'`
if test "x$targ_archs" != x; then
AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
[Define to BFD's default architecture. ])
fi
if test "x$targ_defvec" != x; then
AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
[Define to BFD's default target vector. ])
fi
AC_ARG_PROGRAM
# The CLI cannot be disabled yet, but may be in the future.
# Enable CLI.
AC_ARG_ENABLE(gdbcli,
[ --disable-gdbcli disable command-line interface (CLI)],
[case $enableval in
yes)
;;
no)
AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
*)
AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
esac],
[enable_gdbcli=yes])
if test x"$enable_gdbcli" = xyes; then
if test -d $srcdir/cli; then
CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
fi
fi
# Enable MI.
AC_ARG_ENABLE(gdbmi,
[ --disable-gdbmi disable machine-interface (MI)],
[case $enableval in
yes | no)
;;
*)
AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
esac],
[enable_gdbmi=yes])
if test x"$enable_gdbmi" = xyes; then
if test -d $srcdir/mi; then
CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
fi
fi
# Enable TUI.
AC_ARG_ENABLE(tui,
[ --enable-tui enable full-screen terminal user interface (TUI)],
[case $enableval in
yes | no)
;;
*)
AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
esac],enable_tui=yes)
# Enable gdbtk.
AC_ARG_ENABLE(gdbtk,
[ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
[case $enableval in
yes | no)
;;
*)
AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
esac],
[if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then
enable_gdbtk=yes
else
enable_gdbtk=no
fi])
# We unconditionally disable gdbtk tests on selected platforms.
case $host_os in
go32* | windows*)
AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
enable_gdbtk=no ;;
esac
# Libunwind support.
AC_ARG_WITH(libunwind,
[ --with-libunwind Use libunwind frame unwinding support],
[case "${withval}" in
yes) enable_libunwind=yes ;;
no) enable_libunwind=no ;;
*) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
esac],[
AC_CHECK_HEADERS(libunwind.h)
AC_CHECK_HEADERS(libunwind-ia64.h)
if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
enable_libunwind=yes;
fi
])
if test x"$enable_libunwind" = xyes; then
AC_CHECK_HEADERS(libunwind.h)
AC_CHECK_HEADERS(libunwind-ia64.h)
AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
fi
# Profiling support.
AC_ARG_ENABLE(profiling,
[ --enable-profiling enable profiling of GDB],
[case $enableval in
yes | no)
;;
*)
AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
esac],
[enable_profiling=no])
AC_CHECK_FUNCS(monstartup _mcleanup)
AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
[AC_TRY_LINK(
[#include <stdlib.h>
extern char _etext;
],
[free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
if test $ac_cv_var__etext = yes; then
AC_DEFINE(HAVE__ETEXT, 1,
[Define to 1 if your system has the _etext variable. ])
fi
if test "$enable_profiling" = yes ; then
if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
fi
PROFILE_CFLAGS=-pg
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $PROFILE_CFLAGS"
AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
[AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
ac_cv_cc_supports_pg=no)])
if test $ac_cv_cc_supports_pg = no; then
AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
fi
CFLAGS="$OLD_CFLAGS"
fi
# --------------------- #
# Checks for programs. #
# --------------------- #
AC_PROG_AWK
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_RANLIB
AC_PROG_YACC
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(DLLTOOL, dlltool)
AC_CHECK_TOOL(WINDRES, windres)
# Needed for GNU/Hurd.
AC_CHECK_TOOL(MIG, mig)
# ---------------------- #
# Checks for libraries. #
# ---------------------- #
# We might need to link with -lm; most simulators need it.
AC_CHECK_LIB(m, main)
# We need to link with -lw to get `wctype' on Solaris before Solaris
# 2.6. Solaris 2.6 and beyond have this function in libc, and have a
# libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
# is known to have this problem). Therefore we avoid libw if we can.
AC_CHECK_FUNC(wctype, [],
[AC_CHECK_LIB(w, wctype)])
# Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
AC_SEARCH_LIBS(gethostbyname, nsl)
# Some systems (e.g. Solaris) have `socketpair' in libsocket.
AC_SEARCH_LIBS(socketpair, socket)
# For the TUI, we need enhanced curses functionality.
#
# FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
# curses library because the latter might not provide all the
# functionality we need. However, this leads to problems on systems
# where the linker searches /usr/local/lib, but the compiler doesn't
# search /usr/local/include, if ncurses is installed in /usr/local. A
# default installation of ncurses on alpha*-dec-osf* will lead to such
# a situation.
AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
# Since GDB uses Readline, we need termcap functionality. In many
# cases this will be provided by the curses library, but some systems
# have a seperate termcap library, or no curses library at all.
case $host_os in
cygwin*)
if test -d $srcdir/libtermcap; then
LIBS="../libtermcap/libtermcap.a $LIBS"
ac_cv_search_tgetent="../libtermcap/libtermcap.a"
fi ;;
go32* | *djgpp*)
ac_cv_search_tgetent="none required"
;;
*mingw32*)
ac_cv_search_tgetent="none required"
CONFIG_OBS="$CONFIG_OBS win32-termcap.o"
;;
esac
# These are the libraries checked by Readline.
AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
if test "$ac_cv_search_tgetent" = no; then
AC_MSG_ERROR([no termcap library found])
fi
AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
[XML_Parser p = XML_ParserCreate (0);])
if test "$HAVE_LIBEXPAT" != yes; then
AC_MSG_WARN([expat is missing or unusable; some features may be disabled.])
fi
# ------------------------- #
# Checks for header files. #
# ------------------------- #
AC_HEADER_DIRENT
AC_HEADER_STAT
AC_HEADER_STDC
AC_CHECK_HEADERS(nlist.h)
AC_CHECK_HEADERS(link.h, [], [],
[#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NLIST_H
# include <nlist.h>
#endif
])
AC_CHECK_HEADERS(machine/reg.h)
AC_CHECK_HEADERS(poll.h sys/poll.h)
AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
AC_CHECK_HEADERS(stddef.h)
AC_CHECK_HEADERS(stdlib.h)
AC_CHECK_HEADERS(stdint.h)
AC_CHECK_HEADERS(string.h memory.h strings.h)
AC_CHECK_HEADERS(sys/fault.h)
AC_CHECK_HEADERS(sys/file.h)
AC_CHECK_HEADERS(sys/filio.h)
AC_CHECK_HEADERS(sys/ioctl.h)
AC_CHECK_HEADERS(sys/param.h)
AC_CHECK_HEADERS(sys/proc.h, [], [],
[#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
])
AC_CHECK_HEADERS(sys/procfs.h)
AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
AC_CHECK_HEADERS(sys/select.h)
AC_CHECK_HEADERS(sys/syscall.h)
AC_CHECK_HEADERS(sys/types.h)
AC_CHECK_HEADERS(sys/user.h, [], [],
[#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
])
AC_CHECK_HEADERS(sys/wait.h wait.h)
AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
AC_CHECK_HEADERS(unistd.h)
# On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
# between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
# think that we don't have <curses.h> if we're using GCC.
case $host_os in
solaris2.[[789]])
if test "$GCC" = yes; then
AC_DEFINE(_MSE_INT_H, 1,
[Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
Solaris 2.[789] when using GCC. ])
fi ;;
esac
AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h)
AC_CHECK_HEADERS(ncurses/term.h)
AC_CHECK_HEADERS(term.h, [], [],
[#if HAVE_CURSES_H
# include <curses.h>
#endif
])
# FIXME: kettenis/20030102: In most cases we include these
# unconditionally, so what's the point in checking these?
AC_CHECK_HEADERS(ctype.h time.h)
# Create a header we can use portably to get the standard integer types.
GCC_HEADER_STDINT(gdb_stdint.h)
# ------------------------- #
# Checks for declarations. #
# ------------------------- #
AC_CHECK_DECLS([free, malloc, realloc])
AC_CHECK_DECLS([strerror, strstr])
AC_CHECK_DECLS([getopt, snprintf, vsnprintf])
# ----------------------- #
# Checks for structures. #
# ----------------------- #
AC_CHECK_MEMBERS([struct stat.st_blocks])
AC_CHECK_MEMBERS([struct stat.st_blksize])
# ------------------ #
# Checks for types. #
# ------------------ #
AC_TYPE_SIGNAL
AC_CHECK_TYPES(socklen_t, [], [],
[#include <sys/types.h>
#include <sys/socket.h>
])
AC_CHECK_TYPES(uintptr_t, [], [], [#include <stdint.h>])
# ------------------------------------- #
# Checks for compiler characteristics. #
# ------------------------------------- #
AC_C_CONST
AC_C_INLINE
# ------------------------------ #
# Checks for library functions. #
# ------------------------------ #
AC_FUNC_ALLOCA
AC_FUNC_MMAP
AC_FUNC_VFORK
AC_CHECK_FUNCS(canonicalize_file_name realpath)
AC_CHECK_FUNCS(getuid getgid)
AC_CHECK_FUNCS(poll)
AC_CHECK_FUNCS(pread64)
AC_CHECK_FUNCS(sbrk)
AC_CHECK_FUNCS(setpgid setpgrp)
AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
AC_CHECK_FUNCS(socketpair)
AC_CHECK_FUNCS(syscall)
AC_CHECK_FUNCS(ttrace)
AC_CHECK_FUNCS(wborder)
# Check the return and argument types of ptrace. No canned test for
# this, so roll our own.
gdb_ptrace_headers='
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_PTRACE_H
# include <sys/ptrace.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
'
# There is no point in checking if we don't have a prototype.
AC_CHECK_DECLS(ptrace, [], [
: ${gdb_cv_func_ptrace_ret='int'}
: ${gdb_cv_func_ptrace_args='int,int,long,long'}
], $gdb_ptrace_headers)
# Check return type.
AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
AC_TRY_COMPILE($gdb_ptrace_headers,
[extern int ptrace ();],
gdb_cv_func_ptrace_ret='int',
gdb_cv_func_ptrace_ret='long'))
AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
[Define as the return type of ptrace.])
# Check argument types.
AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
for gdb_arg1 in 'int' 'long'; do
for gdb_arg2 in 'pid_t' 'int' 'long'; do
for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long'; do
for gdb_arg4 in 'int' 'long'; do
AC_TRY_COMPILE($gdb_ptrace_headers, [
extern $gdb_cv_func_ptrace_ret
ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
break 4;])
for gdb_arg5 in 'int *' 'int' 'long'; do
AC_TRY_COMPILE($gdb_ptrace_headers, [
extern $gdb_cv_func_ptrace_ret
ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
], [
gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
break 5;])
done
done
done
done
done
# Provide a safe default value.
: ${gdb_cv_func_ptrace_args='int,int,long,long'}
])
ac_save_IFS=$IFS; IFS=','
set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
IFS=$ac_save_IFS
shift
AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
[Define to the type of arg 3 for ptrace.])
if test -n "$[5]"; then
AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
[Define to the type of arg 5 for ptrace.])
fi
dnl AC_FUNC_SETPGRP does not work when cross compiling
dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
if test "$cross_compiling" = no; then
AC_FUNC_SETPGRP
else
AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
[AC_TRY_COMPILE([
#include <unistd.h>
], [
if (setpgrp(1,1) == -1)
exit (0);
else
exit (1);
], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
if test $ac_cv_func_setpgrp_void = yes; then
AC_DEFINE(SETPGRP_VOID, 1)
fi
fi
# Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
# since sigsetjmp might only be defined as a macro.
AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
[AC_TRY_COMPILE([
#include <setjmp.h>
], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
if test $gdb_cv_func_sigsetjmp = yes; then
AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
fi
# Assume we'll default to using the included libiberty regex.
gdb_use_included_regex=yes
# However, if the system regex is GNU regex, then default to *not*
# using the included regex.
AC_CACHE_CHECK(
[for GNU regex],
[gdb_cv_have_gnu_regex],
[AC_TRY_COMPILE(
[#include <gnu-versions.h>],
[#define REGEX_INTERFACE_VERSION 1
#if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
# error "Version mismatch"
#endif],
gdb_cv_have_gnu_regex=yes,
gdb_cv_have_gnu_regex=no)])
if test $gdb_cv_have_gnu_regex = yes; then
gdb_use_included_regex=no
fi
AC_ARG_WITH(included-regex,
[ --without-included-regex don't use included regex; this is the default
on systems with version 2 of the GNU C library
(use with caution on other system)],
gdb_with_regex=$withval,
gdb_with_regex=$gdb_use_included_regex)
if test "$gdb_with_regex" = yes; then
AC_DEFINE(USE_INCLUDED_REGEX, 1,
[Define to 1 if the regex included in libiberty should be used.])
fi
# Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
[#include <sys/param.h>
#include <sys/proc.h>
])
# See if <sys/lwp.h> defines `struct lwp`.
AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
[AC_TRY_COMPILE([#include <sys/param.h>
#include <sys/lwp.h>], [struct lwp l;],
gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
if test $gdb_cv_struct_lwp = yes; then
AC_DEFINE(HAVE_STRUCT_LWP, 1,
[Define to 1 if your system has struct lwp.])
fi
# See if <machine/reg.h> degines `struct reg'.
AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <machine/reg.h>], [struct reg r;],
gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
if test $gdb_cv_struct_reg = yes; then
AC_DEFINE(HAVE_STRUCT_REG, 1,
[Define to 1 if your system has struct reg in <machine/reg.h>.])
fi
# See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
# Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
[#include <machine/reg.h>])
# See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
AC_MSG_CHECKING(for PTRACE_GETREGS)
AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
[AC_TRY_COMPILE([#include <sys/ptrace.h>],
[PTRACE_GETREGS;],
[gdb_cv_have_ptrace_getregs=yes],
[gdb_cv_have_ptrace_getregs=no])])
AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
if test $gdb_cv_have_ptrace_getregs = yes; then
AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
[Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
fi
# See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
[AC_TRY_COMPILE([#include <sys/ptrace.h>],
[PTRACE_GETFPXREGS;],
[gdb_cv_have_ptrace_getfpxregs=yes],
[gdb_cv_have_ptrace_getfpxregs=no])])
AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
if test $gdb_cv_have_ptrace_getfpxregs = yes; then
AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
[Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
fi
# See if <sys/ptrace.h> provides the PT_GETDBREGS request.
AC_MSG_CHECKING(for PT_GETDBREGS)
AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ptrace.h>],
[PT_GETDBREGS;],
[gdb_cv_have_pt_getdbregs=yes],
[gdb_cv_have_pt_getdbregs=no])])
AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
if test $gdb_cv_have_pt_getdbregs = yes; then
AC_DEFINE(HAVE_PT_GETDBREGS, 1,
[Define if sys/ptrace.h defines the PT_GETDBREGS request.])
fi
# See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
AC_MSG_CHECKING(for PT_GETXMMREGS)
AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ptrace.h>],
[PT_GETXMMREGS;],
[gdb_cv_have_pt_getxmmregs=yes],
[gdb_cv_have_pt_getxmmregs=no])])
AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
if test $gdb_cv_have_pt_getxmmregs = yes; then
AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
[Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
fi
# If we are configured native on GNU/Linux, work around problems with
# sys/procfs.h
# Also detect which type of /proc is in use, such as for Unixware or Solaris.
if test "${target}" = "${host}"; then
case "${host}" in
i[[3456]]86-*-linux*)
AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED, 2,
[Define on a GNU/Linux system to work around problems in sys/procfs.h.])
AC_DEFINE(sys_quotactl, 1,
[Define on a GNU/Linux system to work around problems in sys/procfs.h.])
;;
*-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
AC_DEFINE(NEW_PROC_API, 1,
[Define if you want to use new multi-fd /proc interface
(replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
;;
*-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]])
AC_DEFINE(NEW_PROC_API, 1,
[Define if you want to use new multi-fd /proc interface
(replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
;;
mips-sgi-irix5*)
# Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
AC_DEFINE([_KMEMUSER], 1,
[Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
around a <sys/proc.h> problem on IRIX 5.])
;;
esac
fi
if test "$ac_cv_header_sys_procfs_h" = yes; then
BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
dnl Check for broken prfpregset_t type
dnl For Linux/i386, glibc 2.1.3 was released with a bogus
dnl prfpregset_t type (it's a typedef for the pointer to a struct
dnl instead of the struct itself). We detect this here, and work
dnl around it in gdb_proc_service.h.
if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
AC_MSG_CHECKING(whether prfpregset_t type is broken)
AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
[AC_TRY_RUN([#include <sys/procfs.h>
int main ()
{
if (sizeof (prfpregset_t) == sizeof (void *))
return 1;
return 0;
}],
gdb_cv_prfpregset_t_broken=no,
gdb_cv_prfpregset_t_broken=yes,
gdb_cv_prfpregset_t_broken=yes)])
AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
if test $gdb_cv_prfpregset_t_broken = yes; then
AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
[Define if the prfpregset_t type is broken.])
fi
fi
dnl Check for PIOCSET ioctl entry
AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
[AC_TRY_COMPILE([#include <unistd.h>
#include <sys/types.h>
#include <sys/procfs.h>
], [
int dummy;;
dummy = ioctl(0, PIOCSET, &dummy);
],
gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
if test $gdb_cv_have_procfs_piocset = yes; then
AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
[Define if ioctl argument PIOCSET is available.])
fi
fi
dnl For native ports (host == target), check to see what kind of
dnl legacy link.h support is needed. (See solib-legacy.c.)
if test ${host} = ${target} ; then
dnl Check for struct link_map with l_ members which are indicative
dnl of SVR4-like shared libraries
AC_MSG_CHECKING(for member l_addr in struct link_map)
AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
[AC_TRY_COMPILE([#include <link.h>],
[struct link_map lm; (void) lm.l_addr;],
gdb_cv_have_struct_link_map_with_l_members=yes,
gdb_cv_have_struct_link_map_with_l_members=no)])
AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
[Define if <link.h> exists and defines struct link_map which has
members with an ``l_'' prefix. (For Solaris, SVR4, and
SVR4-like systems.)])
fi
dnl Check for struct link_map with lm_ members which are indicative
dnl of SunOS-like shared libraries
AC_MSG_CHECKING(for member lm_addr in struct link_map)
AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <link.h>],
[struct link_map lm; (void) lm.lm_addr;],
gdb_cv_have_struct_link_map_with_lm_members=yes,
gdb_cv_have_struct_link_map_with_lm_members=no)])
AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
[Define if <link.h> exists and defines struct link_map which has
members with an ``lm_'' prefix. (For SunOS.)])
fi
dnl Check for struct so_map with som_ members which are found on
dnl some *BSD systems.
AC_MSG_CHECKING(for member som_addr in struct so_map)
AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
[AC_TRY_COMPILE([#include <sys/types.h>
#ifdef HAVE_NLIST_H
#include <nlist.h>
#endif
#include <link.h>],
[struct so_map lm; (void) lm.som_addr;],
gdb_cv_have_struct_so_map_with_som_members=yes,
gdb_cv_have_struct_so_map_with_som_members=no)])
AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
[Define if <link.h> exists and defines a struct so_map which has
members with an ``som_'' prefix. (Found on older *BSD systems.)])
fi
dnl Check for struct link_map32 type, which allows a 64-bit Solaris
dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
[AC_TRY_COMPILE([#define _SYSCALL32
#include <sys/link.h>], [struct link_map32 l;],
gdb_cv_have_struct_link_map32=yes,
gdb_cv_have_struct_link_map32=no)])
AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
if test $gdb_cv_have_struct_link_map32 = yes; then
AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
[Define if <sys/link.h> has struct link_map32])
AC_DEFINE(_SYSCALL32, 1,
[Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
fi
fi
# Check if the compiler supports the `long long' type.
AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[extern long long foo;]],
[[switch (foo & 2) { case 0: return 1; }]])],
gdb_cv_c_long_long=yes,
gdb_cv_c_long_long=no)])
if test $gdb_cv_c_long_long = yes; then
AC_DEFINE(CC_HAS_LONG_LONG, 1,
[Define to 1 if the compiler supports long long.])
fi
# Check if the compiler and runtime support printing long longs.
AC_CACHE_CHECK([for long long support in printf],
gdb_cv_printf_has_long_long,
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
[[char buf[32];
long long l = 0;
l = (l << 16) + 0x0123;
l = (l << 16) + 0x4567;
l = (l << 16) + 0x89ab;
l = (l << 16) + 0xcdef;
sprintf (buf, "0x%016llx", l);
return (strcmp ("0x0123456789abcdef", buf));]])],
gdb_cv_printf_has_long_long=yes,
gdb_cv_printf_has_long_long=no,
gdb_cv_printf_has_long_long=no)])
if test $gdb_cv_printf_has_long_long = yes; then
AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
[Define to 1 if the "%ll" format works to print long longs.])
fi
# Check if the compiler supports the `long double' type. We can't use
# AC_C_LONG_DOUBLE because that one does additional checks on the
# constants defined in <float.h> that fail on some systems,
# e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
gdb_cv_c_long_double=yes,
gdb_cv_c_long_double=no)])
if test $gdb_cv_c_long_double = yes; then
AC_DEFINE(HAVE_LONG_DOUBLE, 1,
[Define to 1 if the compiler supports long double.])
fi
# Check if the compiler and runtime support printing long doubles.
AC_CACHE_CHECK([for long double support in printf],
gdb_cv_printf_has_long_double,
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
[[char buf[16];
long double f = 3.141592653;
sprintf (buf, "%Lg", f);
return (strncmp ("3.14159", buf, 7));]])],
gdb_cv_printf_has_long_double=yes,
gdb_cv_printf_has_long_double=no,
gdb_cv_printf_has_long_double=no)])
if test $gdb_cv_printf_has_long_double = yes; then
AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
[Define to 1 if the "%Lg" format works to print long doubles.])
fi
# Check if the compiler and runtime support scanning long doubles.
AC_CACHE_CHECK([for long double support in scanf],
gdb_cv_scanf_has_long_double,
[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>]],
[[char *buf = "3.141592653";
long double f = 0;
sscanf (buf, "%Lg", &f);
return !(f > 3.14159 && f < 3.14160);]])],
gdb_cv_scanf_has_long_double=yes,
gdb_cv_scanf_has_long_double=no,
gdb_cv_scanf_has_long_double=no)])
if test $gdb_cv_scanf_has_long_double = yes; then
AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
[Define to 1 if the "%Lg" format works to scan long doubles.])
fi
case ${host_os} in
aix*)
AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
SAVE_LDFLAGS=$LDFLAGS
case $GCC in
yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
*) gdb_cv_bigtoc=-bbigtoc ;;
esac
LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
LDFLAGS="${SAVE_LDFLAGS}"
])
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
;;
esac
dnl For certain native configurations, we need to check whether thread
dnl support can be built in or not.
dnl
dnl Note that we only want this if we are both native (host == target),
dnl and not doing a canadian cross build (build == host).
if test ${build} = ${host} -a ${host} = ${target} ; then
case ${host_os} in
hpux*)
AC_MSG_CHECKING(for HPUX/OSF thread support)
if test -f /usr/include/dce/cma_config.h ; then
if test "$GCC" = "yes" ; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
[Define if you have HPUX threads])
CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
else
AC_MSG_RESULT(no (suppressed because you are not using GCC))
fi
else
AC_MSG_RESULT(no)
fi
;;
solaris*)
# See if thread_db library is around for Solaris thread debugging.
# Note that we must explicitly test for version 1 of the library
# because version 0 (present on Solaris 2.4 or earlier) doesn't have
# the same API.
AC_MSG_CHECKING(for Solaris thread debugging library)
if test -f /usr/lib/libthread_db.so.1 ; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
[Define if using Solaris thread debugging.])
CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
AC_CHECK_LIB(dl, dlopen)
if test "$GCC" = "yes" ; then
# The GNU linker requires the -export-dynamic option to make
# all symbols visible in the dynamic symbol table.
hold_ldflags=$LDFLAGS
AC_MSG_CHECKING(for the ld -export-dynamic flag)
LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
AC_TRY_LINK(, [int i;], found=yes, found=no)
LDFLAGS=$hold_ldflags
AC_MSG_RESULT($found)
if test $found = yes; then
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
fi
fi
# Sun randomly tweaked the prototypes in <proc_service.h>
# at one point.
AC_MSG_CHECKING(if <proc_service.h> is old)
AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
AC_TRY_COMPILE([
#include <proc_service.h>
ps_err_e ps_pdwrite
(struct ps_prochandle*, psaddr_t, const void*, size_t);
],, gdb_cv_proc_service_is_old=no,
gdb_cv_proc_service_is_old=yes)
])
AC_MSG_RESULT($gdb_cv_proc_service_is_old)
if test $gdb_cv_proc_service_is_old = yes; then
AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
[Define if <proc_service.h> on solaris uses int instead of
size_t, and assorted other type changes.])
fi
else
AC_MSG_RESULT(no)
fi
;;
aix*)
AC_MSG_CHECKING(for AiX thread debugging library)
AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
[AC_TRY_COMPILE([#include <sys/pthdebug.h>],
[#ifndef PTHDB_VERSION_3
#error
#endif],
gdb_cv_have_aix_thread_debug=yes,
gdb_cv_have_aix_thread_debug=no)])
AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
if test $gdb_cv_have_aix_thread_debug = yes; then
CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
fi
;;
esac
AC_SUBST(CONFIG_LDFLAGS)
fi
dnl See if we have a thread_db header file that has TD_NOTALLOC.
if test "x$ac_cv_header_thread_db_h" = "xyes"; then
AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
gdb_cv_thread_db_h_has_td_notalloc,
AC_TRY_COMPILE(
[#include <thread_db.h>],
[int i = TD_NOTALLOC;],
gdb_cv_thread_db_h_has_td_notalloc=yes,
gdb_cv_thread_db_h_has_td_notalloc=no
)
)
fi
if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
[Define if <thread_db.h> has the TD_NOTALLOC error code.])
fi
dnl See if we have a sys/syscall header file that has __NR_tkill.
if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
gdb_cv_sys_syscall_h_has_tkill,
AC_TRY_COMPILE(
[#include <sys/syscall.h>],
[int i = __NR_tkill;],
gdb_cv_sys_syscall_h_has_tkill=yes,
gdb_cv_sys_syscall_h_has_tkill=no
)
)
fi
dnl See if we can issue tkill syscall.
if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
fi
dnl Handle optional features that can be enabled.
AC_ARG_WITH(sysroot,
[ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
[
case ${with_sysroot} in
yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
*) TARGET_SYSTEM_ROOT=$with_sysroot ;;
esac
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
if test "x$exec_prefix" = xNONE; then
if test "x$prefix" = xNONE; then
test_prefix=/usr/local
else
test_prefix=$prefix
fi
else
test_prefix=$exec_prefix
fi
case ${TARGET_SYSTEM_ROOT} in
"${test_prefix}"|"${test_prefix}/"*|\
'${exec_prefix}'|'${exec_prefix}/'*)
t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
TARGET_SYSTEM_ROOT_DEFINE="$t"
;;
esac
], [
TARGET_SYSTEM_ROOT=
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
])
AC_SUBST(TARGET_SYSTEM_ROOT)
AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
AC_ARG_ENABLE(werror,
[ --enable-werror treat compile warnings as errors],
[case "${enableval}" in
yes | y) ERROR_ON_WARNING="yes" ;;
no | n) ERROR_ON_WARNING="no" ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
esac])
WERROR_CFLAGS=""
if test "${ERROR_ON_WARNING}" = yes ; then
WERROR_CFLAGS="-Werror"
fi
# NOTE: Don't add -Wall or -Wunused, they both include
# -Wunused-parameter which reports bogus warnings.
# NOTE: If you add to this list, remember to update
# gdb/doc/gdbint.texinfo.
build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
-Wformat -Wparentheses -Wpointer-arith -Wformat-nonliteral \
-Wunused-label -Wunused-function -Wno-pointer-sign"
# GCC supports -Wuninitialized only with -O or -On, n != 0.
if test x${CFLAGS+set} = xset; then
case "${CFLAGS}" in
*"-O0"* ) ;;
*"-O"* )
build_warnings="${build_warnings} -Wuninitialized"
;;
esac
else
build_warnings="${build_warnings} -Wuninitialized"
fi
# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
# -Wunused-function -Wunused-variable -Wunused-value
# -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual
# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
# -Woverloaded-virtual -Winline -Werror"
AC_ARG_ENABLE(build-warnings,
[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
[case "${enableval}" in
yes) ;;
no) build_warnings="-w";;
,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
build_warnings="${build_warnings} ${t}";;
*,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
build_warnings="${t} ${build_warnings}";;
*) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
esac
if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
echo "Setting compiler warning flags = $build_warnings" 6>&1
fi])dnl
AC_ARG_ENABLE(gdb-build-warnings,
[ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
[case "${enableval}" in
yes) ;;
no) build_warnings="-w";;
,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
build_warnings="${build_warnings} ${t}";;
*,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
build_warnings="${t} ${build_warnings}";;
*) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
esac
if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
fi])dnl
WARN_CFLAGS=""
if test "x${build_warnings}" != x -a "x$GCC" = xyes
then
AC_MSG_CHECKING(compiler warning flags)
# Separate out the -Werror flag as some files just cannot be
# compiled with it enabled.
for w in ${build_warnings}; do
case $w in
-Werr*) WERROR_CFLAGS=-Werror ;;
*) # Check that GCC accepts it
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $w"
AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
CFLAGS="$saved_CFLAGS"
esac
done
AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
fi
AC_SUBST(WARN_CFLAGS)
AC_SUBST(WERROR_CFLAGS)
# In the Cygwin environment, we need some additional flags.
AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
[AC_EGREP_CPP(lose, [
#if defined (__CYGWIN__) || defined (__CYGWIN32__)
lose
#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
dnl Figure out which of the many generic ser-*.c files the _host_ supports.
SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
case ${host} in
*go32* ) SER_HARDWIRE=ser-go32.o ;;
*djgpp* ) SER_HARDWIRE=ser-go32.o ;;
*mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
esac
AC_SUBST(SER_HARDWIRE)
# libreadline needs libuser32.a in a cygwin environment
WIN32LIBS=
if test x$gdb_cv_os_cygwin = xyes; then
WIN32LIBS="-luser32"
case "${target}" in
*cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
;;
esac
fi
# The ser-tcp.c module requires sockets.
case ${host} in
*mingw32*)
AC_DEFINE(USE_WIN32API, 1,
[Define if we should use the Windows API, instead of the
POSIX API. On Windows, we use the Windows API when
building for MinGW, but the POSIX API when building
for Cygwin.])
WIN32LIBS="$WIN32LIBS -lws2_32"
;;
esac
AC_SUBST(WIN32LIBS)
# Add any host-specific objects to GDB.
CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
LIBGUI="../libgui/src/libgui.a"
GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
AC_SUBST(LIBGUI)
AC_SUBST(GUI_CFLAGS_X)
WIN32LDAPP=
AC_SUBST(WIN32LIBS)
AC_SUBST(WIN32LDAPP)
case "${host}" in
*-*-cygwin*)
configdir="win"
;;
*)
configdir="unix"
;;
esac
GDBTKLIBS=
if test "${enable_gdbtk}" = "yes"; then
# Gdbtk must have an absolute path to srcdir in order to run
# properly when not installed.
here=`pwd`
cd ${srcdir}
GDBTK_SRC_DIR=`pwd`
cd $here
CY_AC_PATH_TCLCONFIG
if test -z "${no_tcl}"; then
CY_AC_LOAD_TCLCONFIG
CY_AC_PATH_TKCONFIG
# now look for Tcl library stuff
tcldir="../tcl/${configdir}/"
TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
# If $no_tk is nonempty, then we can't do Tk, and there is no
# point to doing Tcl.
if test -z "${no_tk}"; then
CY_AC_LOAD_TKCONFIG
CY_AC_PATH_TCLH
CY_AC_PATH_TKH
CY_AC_PATH_ITCLH
CY_AC_PATH_ITKH
# now look for Tk library stuff
tkdir="../tk/${configdir}/"
TK_DEPS="${tkdir}${TK_LIB_FILE}"
# now look for Itcl library stuff
CY_AC_PATH_ITCLCONFIG
if test -z "${no_itcl}"; then
CY_AC_LOAD_ITCLCONFIG
ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
fi
# now look for Itk library stuff
CY_AC_PATH_ITKCONFIG
if test -z "${no_itcl}"; then
CY_AC_LOAD_ITKCONFIG
ITKLIB="${ITK_BUILD_LIB_SPEC}"
ITK_DEPS="${ITK_LIB_FULL_PATH}"
fi
ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
# Include some libraries that Tcl and Tk want.
TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
# Yes, the ordering seems wrong here. But it isn't.
# TK_LIBS is the list of libraries that need to be linked
# after Tcl/Tk. Note that this isn't put into LIBS. If it
# were in LIBS then any link tests after this point would
# try to include things like `$(LIBGUI)', which wouldn't work.
GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
if test x$gdb_cv_os_cygwin = xyes; then
WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
WIN32LDAPP="-Wl,--subsystem,console"
CONFIG_OBS="${CONFIG_OBS} gdbres.o"
fi
fi
fi
AC_CONFIG_SUBDIRS(gdbtk)
fi
AC_SUBST(X_CFLAGS)
AC_SUBST(X_LDFLAGS)
AC_SUBST(X_LIBS)
AC_SUBST(TCL_DEPS)
AC_SUBST(TK_DEPS)
AC_SUBST(ITCLLIB)
AC_SUBST(ITCL_DEPS)
AC_SUBST(ITKLIB)
AC_SUBST(ITK_DEPS)
AC_SUBST(GDBTKLIBS)
AC_SUBST(GDBTK_CFLAGS)
AC_SUBST(GDBTK_SRC_DIR)
AC_PATH_X
# Check whether we should enable the TUI, but only do so if we really
# can.
if test x"$enable_tui" = xyes; then
if test -d $srcdir/tui; then
if test "$ac_cv_search_waddstr" != no; then
CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
CONFIG_ALL="${CONFIG_ALL} all-tui"
CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
else
AC_MSG_WARN([no enhanced curses library found; disabling TUI])
fi
fi
fi
# Unlike the sim directory, whether a simulator is linked is controlled by
# presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
# This code just checks for a few cases where we'd like to ignore those
# definitions, even when they're present in the '.mt' file. These cases
# are when --disable-sim is specified, or if the simulator directory is
# not part of the source tree.
#
AC_ARG_ENABLE(sim,
[ --enable-sim Link gdb with simulator],
[echo "enable_sim = $enable_sim";
echo "enableval = ${enableval}";
case "${enableval}" in
yes) ignore_sim=false ;;
no) ignore_sim=true ;;
*) ignore_sim=false ;;
esac],
[ignore_sim=false])
if test ! -d "${srcdir}/../sim"; then
ignore_sim=true
fi
if test "${ignore_sim}" = "true"; then
IGNORE_SIM="SIM="
IGNORE_SIM_OBS="SIM_OBS="
else
IGNORE_SIM=""
IGNORE_SIM_OBS=""
AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
fi
AC_SUBST(IGNORE_SIM)
AC_SUBST(IGNORE_SIM_OBS)
AC_SUBST(ENABLE_CFLAGS)
AC_SUBST(PROFILE_CFLAGS)
AC_SUBST(CONFIG_OBS)
AC_SUBST(CONFIG_DEPS)
AC_SUBST(CONFIG_SRCS)
AC_SUBST(CONFIG_ALL)
AC_SUBST(CONFIG_CLEAN)
AC_SUBST(CONFIG_INSTALL)
AC_SUBST(CONFIG_UNINSTALL)
# List of host floatformats.
AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
# target_subdir is used by the testsuite to find the target libraries.
target_subdir=
if test "${host}" != "${target}"; then
target_subdir="${target_alias}/"
fi
AC_SUBST(target_subdir)
frags=
if test "${gdb_native}" = "yes"; then
host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
if test ! -f ${host_makefile_frag}; then
AC_MSG_ERROR("*** Gdb does not support native target ${host}")
fi
frags="$frags $host_makefile_frag"
else
host_makefile_frag=/dev/null
fi
target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
if test ! -f ${target_makefile_frag}; then
AC_MSG_ERROR("*** Gdb does not support target ${target}")
fi
frags="$frags $target_makefile_frag"
AC_SUBST_FILE(host_makefile_frag)
AC_SUBST_FILE(target_makefile_frag)
AC_SUBST(frags)
changequote(,)dnl
hostfile=`sed -n '
s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
' ${host_makefile_frag}`
targetfile=`sed -n '
s/DEPRECATED_TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
' ${target_makefile_frag}`
if test "${gdb_native}" = "yes"; then
# We pick this up from the host configuration file (.mh) because we
# do not have a native configuration Makefile fragment.
nativefile=`sed -n '
s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
' ${host_makefile_frag}`
fi
changequote([,])
if test x"${gdb_osabi}" != x ; then
AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
[Define to the default OS ABI for this configuration.])
fi
# Enable multi-ice-gdb-server.
AC_ARG_ENABLE(multi-ice,
[ --enable-multi-ice build the multi-ice-gdb-server],
[case $enableval in
yes | no)
;;
*) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
esac])
if test "x$enable_multi_ice" = xyes; then
AC_CONFIG_SUBDIRS(multi-ice)
fi
# We only build gdbserver automatically in a native configuration.
if test "$gdb_native" = "yes"; then
AC_MSG_CHECKING(whether gdbserver is supported on this host)
if test "x$build_gdbserver" = xyes; then
AC_MSG_RESULT(yes)
AC_CONFIG_SUBDIRS(gdbserver)
else
AC_MSG_RESULT(no)
fi
fi
# If hostfile (XM_FILE) and/or targetfile (DEPRECATED_TM_FILE) and/or
# nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
# to an empty version.
files=
links=
rm -f xm.h
xm_h=""
if test "${hostfile}" != ""; then
xm_h=xm.h
case "${hostfile}" in
xm-*.h ) GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}" ;;
* ) GDB_XM_FILE="${hostfile}"
esac
files="${files} ${GDB_XM_FILE}"
links="${links} xm.h"
AC_DEFINE_UNQUOTED(GDB_XM_FILE, "${GDB_XM_FILE}", [hostfile])
fi
AC_SUBST(xm_h)
rm -f tm.h
tm_h=""
if test "${targetfile}" != ""; then
tm_h=tm.h
case "${targetfile}" in
tm-*.h ) GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}" ;;
* ) GDB_TM_FILE="${targetfile}"
esac
files="${files} ${GDB_TM_FILE}"
links="${links} tm.h"
AC_DEFINE_UNQUOTED(GDB_TM_FILE, "${GDB_TM_FILE}", [targetfile])
fi
AC_SUBST(tm_h)
rm -f nm.h
nm_h=""
if test "${nativefile}" != ""; then
nm_h=nm.h
case "${nativefile}" in
nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
* ) GDB_NM_FILE="${nativefile}"
esac
files="${files} ${GDB_NM_FILE}"
links="${links} nm.h"
AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
fi
AC_SUBST(nm_h)
AC_LINK_FILES($files, $links)
dnl Check for exe extension set on certain hosts (e.g. Win32)
AC_EXEEXT
dnl Detect the character set used by this host.
dnl At the moment, we just assume it's ISO-8859-1 (which is a
dnl superset of ASCII containing the characters needed for French,
dnl German, Spanish, Italian, and possibly others), but if were
dnl *were* to support any host character sets other than ISO-8859-1,
dnl here's where we'd detect it.
AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
[Define to be a string naming the default host character set.])
AM_ICONV
AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
[
dnl Autoconf doesn't provide a mechanism for modifying definitions
dnl provided by makefile fragments.
dnl
changequote(,)dnl
sed -e '/^DEPRECATED_TM_FILE[ ]*=/s,^DEPRECATED_TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
/^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
mv -f Makefile.tmp Makefile
changequote([,])dnl
case x$CONFIG_HEADERS in
xconfig.h:config.in)
echo > stamp-h ;;
esac
],
[
gdb_host_cpu=$gdb_host_cpu
gdb_target_cpu=$gdb_target_cpu
nativefile=$nativefile
])
exit 0