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-rw-r--r--gdb/configure.ac1582
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diff --git a/gdb/configure.ac b/gdb/configure.ac
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--- /dev/null
+++ b/gdb/configure.ac
@@ -0,0 +1,1582 @@
+dnl Autoconf configure script for GDB, the GNU debugger.
+dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 $srcdir;pwd`/..)
+AC_CANONICAL_SYSTEM
+
+# FIXME: kettenis/20030102: The AC_PROG_RANLIB from Autoconf 2.13
+# doesn't support cross-compilation, but the one from Autoconf 2.5x
+# does. Override RANLIB here (i.e. before running AC_PROG_RANLIB) to
+# deal with the lossage. Note that CY_GNU_GETTEXT currently calls
+# AC_PROG_RANLIB. This can be removed when we switch to Autoconf
+# 2.5x.
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+
+dnl List of object files and targets accumulated by configure.
+
+CONFIG_OBS=
+CONFIG_DEPS=
+CONFIG_SRCS=
+ENABLE_CFLAGS=
+
+CONFIG_ALL=
+CONFIG_CLEAN=
+CONFIG_INSTALL=
+CONFIG_UNINSTALL=
+
+dnl Set up for gettext. PACKAGE is used when we call bindtextdomain.
+
+CY_GNU_GETTEXT
+
+localedir='${datadir}/locale'
+AC_SUBST(localedir)
+
+if test "x$POSUB" != x; then
+
+ dnl Lifted from GCC's config/gettext.m4.
+ AC_MSG_CHECKING(for catalogs to be installed)
+ # Look for .po and .gmo files in the source directory.
+ CATALOGS= AC_SUBST(CATALOGS)
+ XLINGUAS=
+ for cat in $srcdir/po/*.gmo $srcdir/po/*.po; do
+ # If there aren't any .gmo files the shell will give us the
+ # literal string "../path/to/srcdir/po/*.gmo" which has to be
+ # weeded out.
+ case "$cat" in *\**)
+ continue;;
+ esac
+ # The quadruple backslash is collapsed to a double backslash
+ # by the backticks, then collapsed again by the double quotes,
+ # leaving us with one backslash in the sed expression (right
+ # before the dot that mustn't act as a wildcard).
+ cat=`echo $cat | sed -e "s!$srcdir/!!" -e "s!\\\\.po!.gmo!"`
+ lang=`echo $cat | sed -e 's!po/!!' -e "s!\\\\.gmo!!"`
+ # The user is allowed to set LINGUAS to a list of languages to
+ # install catalogs for. If it's empty that means "all of them."
+ if test "x$LINGUAS" = x; then
+ CATALOGS="$CATALOGS $cat"
+ XLINGUAS="$XLINGUAS $lang"
+ else
+ case "$LINGUAS" in *$lang*)
+ CATALOGS="$CATALOGS $cat"
+ XLINGUAS="$XLINGUAS $lang"
+ ;;
+ esac
+ fi
+ done
+ LINGUAS="$XLINGUAS"
+ AC_MSG_RESULT($LINGUAS)
+
+ CONFIG_ALL="$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)
+
+. $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; 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)
+ 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 $LIBS"
+ ac_cv_search_tgetent="../libtermcap/libtermcap.a"
+ fi ;;
+ go32* | *djgpp*)
+ ac_cv_search_tgetent="none required"
+ ;;
+esac
+
+# These are the libraries checked by Readline.
+AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
+
+if test "$ac_cv_search_tgetent" = no; then
+ AC_MSG_ERROR([no termcap library found])
+fi
+
+# ------------------------- #
+# Checks for header files. #
+# ------------------------- #
+
+AC_HEADER_DIRENT
+AC_HEADER_STAT
+AC_HEADER_STDC
+AC_CHECK_HEADERS(link.h)
+AC_CHECK_HEADERS(machine/reg.h)
+AC_CHECK_HEADERS(nlist.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)
+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)
+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 term.h)
+
+# 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)
+
+dnl Check for struct stat with an st_blocks member
+AC_MSG_CHECKING(for member st_blocks in struct stat)
+AC_CACHE_VAL(gdb_cv_have_struct_stat_with_st_blocks_member,
+ [AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/stat.h>],
+ [struct stat st; (void) st.st_blocks;],
+ gdb_cv_have_struct_stat_with_st_blocks_member=yes,
+ gdb_cv_have_struct_stat_with_st_blocks_member=no)])
+AC_MSG_RESULT($gdb_cv_have_struct_stat_with_st_blocks_member)
+if test $gdb_cv_have_struct_stat_with_st_blocks_member = yes; then
+ AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS)
+fi
+
+# ------------------------- #
+# Checks for declarations. #
+# ------------------------- #
+
+gcc_AC_CHECK_DECLS(getopt)
+
+# ------------------ #
+# Checks for types. #
+# ------------------ #
+
+AC_TYPE_SIGNAL
+
+# ------------------------------------- #
+# 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(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.
+gcc_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
+
+# See if <sys/proc.h> defines `struct thread' with a td_pcb member.
+AC_CACHE_CHECK([for td_pcb in struct thread], gdb_cv_struct_thread_td_pcb,
+[AC_TRY_COMPILE([#include <sys/param.h>
+#include <sys/proc.h>], [struct thread td; td.td_pcb;],
+gdb_cv_struct_thread_td_pcb=yes, gdb_cv_struct_thread_td_pcb=no)])
+if test $gdb_cv_struct_thread_td_pcb = yes; then
+ AC_DEFINE(HAVE_STRUCT_THREAD_TD_PCB, 1,
+ [Define to 1 if your system has td_pcb in struct thread.])
+fi
+
+# 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_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,
+[AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_fs;],
+gdb_cv_struct_reg_r_fs=yes, gdb_cv_struct_reg_r_fs=no)])
+if test $gdb_cv_struct_reg_r_fs = yes; then
+ AC_DEFINE(HAVE_STRUCT_REG_R_FS)
+fi
+AC_CACHE_CHECK([for r_gs in struct reg], gdb_cv_struct_reg_r_gs,
+[AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_gs;],
+gdb_cv_struct_reg_r_gs=yes, gdb_cv_struct_reg_r_gs=no)])
+if test $gdb_cv_struct_reg_r_gs = yes; then
+ AC_DEFINE(HAVE_STRUCT_REG_R_GS)
+fi
+
+# See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
+AC_MSG_CHECKING(for PTRACE_GETREGS)
+AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
+[AC_TRY_COMPILE([#include <sys/ptrace.h>],
+ [PTRACE_GETREGS;],
+ [gdb_cv_have_ptrace_getregs=yes],
+ [gdb_cv_have_ptrace_getregs=no])])
+AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
+if test $gdb_cv_have_ptrace_getregs = yes; then
+ AC_DEFINE(HAVE_PTRACE_GETREGS)
+fi
+
+# See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
+AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
+AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
+[AC_TRY_COMPILE([#include <sys/ptrace.h>],
+ [PTRACE_GETFPXREGS;],
+ [gdb_cv_have_ptrace_getfpxregs=yes],
+ [gdb_cv_have_ptrace_getfpxregs=no])])
+AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
+if test $gdb_cv_have_ptrace_getfpxregs = yes; then
+ AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
+fi
+
+# See if <sys/ptrace.h> provides the PT_GETDBREGS request.
+AC_MSG_CHECKING(for PT_GETDBREGS)
+AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/ptrace.h>],
+ [PT_GETDBREGS;],
+ [gdb_cv_have_pt_getdbregs=yes],
+ [gdb_cv_have_pt_getdbregs=no])])
+AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
+if test $gdb_cv_have_pt_getdbregs = yes; then
+ AC_DEFINE(HAVE_PT_GETDBREGS)
+fi
+
+# See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
+AC_MSG_CHECKING(for PT_GETXMMREGS)
+AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/ptrace.h>],
+ [PT_GETXMMREGS;],
+ [gdb_cv_have_pt_getxmmregs=yes],
+ [gdb_cv_have_pt_getxmmregs=no])])
+AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
+if test $gdb_cv_have_pt_getxmmregs = yes; then
+ AC_DEFINE(HAVE_PT_GETXMMREGS)
+fi
+
+# See if stdint.h provides the uintptr_t type.
+# Autoconf 2.5X has an improved AC_CHECK_TYPE which will simplify this.
+AC_CACHE_CHECK([for uintptr_t in stdint.h], gdb_cv_have_uintptr_t,
+ [AC_TRY_COMPILE(
+ [#include <stdint.h>],
+ [uintptr_t foo = 0;],
+ gdb_cv_have_uintptr_t=yes,
+ gdb_cv_have_uintptr_t=no)])
+if test $gdb_cv_have_uintptr_t = yes; then
+ AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if <stdint.h> provides the uintptr_t type.])
+fi
+
+BFD_NEED_DECLARATION(malloc)
+BFD_NEED_DECLARATION(realloc)
+BFD_NEED_DECLARATION(free)
+BFD_NEED_DECLARATION(strerror)
+BFD_NEED_DECLARATION(strdup)
+BFD_NEED_DECLARATION(strstr)
+BFD_NEED_DECLARATION(canonicalize_file_name)
+
+# The following save_state_t checkery is only necessary for HPUX
+# versions earlier than 10.20. When those fade from memory, this
+# could be expunged. --jsm 1999-03-22
+
+AC_MSG_CHECKING(for HPUX save_state structure)
+AC_EGREP_HEADER(save_state_t, machine/save_state.h,
+ gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no)
+AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes,
+ gdb_cv_hpux_sswide=no)
+if test $gdb_cv_hpux_savestate = yes
+then
+ AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1)
+fi
+if test $gdb_cv_hpux_sswide = yes
+then
+ AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1)
+fi
+AC_MSG_RESULT($gdb_cv_hpux_sswide)
+
+
+# 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 "${host}" in
+ i[[3456]]86-*-linux*)
+ AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
+ AC_DEFINE(sys_quotactl)
+ ;;
+ ia64-*-aix*)
+ AC_DEFINE(NEW_PROC_API)
+ ;;
+ *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
+ AC_DEFINE(NEW_PROC_API)
+ ;;
+ *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]])
+ AC_DEFINE(NEW_PROC_API)
+ ;;
+ mips-sgi-irix5*)
+ # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
+ AC_DEFINE([_KMEMUSER], 1)
+ ;;
+ esac
+fi
+
+if test "$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 $gdb_cv_prfpregset_t_broken = yes; then
+ AC_DEFINE(PRFPREGSET_T_BROKEN)
+ fi
+ fi
+
+ dnl Check for PIOCSET ioctl entry
+
+ AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
+ AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
+ [AC_TRY_COMPILE([#include <unistd.h>
+#include <sys/types.h>
+#include <sys/procfs.h>
+], [
+ int dummy;;
+ dummy = ioctl(0, PIOCSET, &dummy);
+ ],
+ gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
+ AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
+ if test $gdb_cv_have_procfs_piocset = yes; then
+ AC_DEFINE(HAVE_PROCFS_PIOCSET)
+ 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 $gdb_cv_have_struct_link_map_with_l_members = yes; then
+ AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS)
+ fi
+
+ dnl Check for struct link_map with lm_ members which are indicative
+ dnl of SunOS-like shared libraries
+
+ AC_MSG_CHECKING(for member lm_addr in struct link_map)
+ AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
+ [AC_TRY_COMPILE([#include <sys/types.h>
+#include <link.h>],
+ [struct link_map lm; (void) lm.lm_addr;],
+ gdb_cv_have_struct_link_map_with_lm_members=yes,
+ gdb_cv_have_struct_link_map_with_lm_members=no)])
+ AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
+ if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
+ AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS)
+ fi
+
+ dnl Check for struct so_map with som_ members which are found on
+ dnl some *BSD systems.
+
+ AC_MSG_CHECKING(for member som_addr in struct so_map)
+ AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
+ [AC_TRY_COMPILE([#include <sys/types.h>
+#ifdef HAVE_NLIST_H
+#include <nlist.h>
+#endif
+#include <link.h>],
+ [struct so_map lm; (void) lm.som_addr;],
+ gdb_cv_have_struct_so_map_with_som_members=yes,
+ gdb_cv_have_struct_so_map_with_som_members=no)])
+ AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
+ if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
+ AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS)
+ fi
+
+ dnl Check for struct link_map32 type, which allows a 64-bit Solaris
+ dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
+
+ AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
+ AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
+ [AC_TRY_COMPILE([#define _SYSCALL32
+#include <sys/link.h>], [struct link_map32 l;],
+ gdb_cv_have_struct_link_map32=yes,
+ gdb_cv_have_struct_link_map32=no)])
+ AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
+ if test $gdb_cv_have_struct_link_map32 = yes; then
+ AC_DEFINE(HAVE_STRUCT_LINK_MAP32)
+ AC_DEFINE(_SYSCALL32)
+ fi
+fi
+
+dnl See if compiler supports "long long" type.
+
+AC_MSG_CHECKING(for long long support in compiler)
+AC_CACHE_VAL(gdb_cv_c_long_long,
+[AC_TRY_COMPILE(, [
+ extern long long foo;
+ switch (foo & 2) { case 0: return 1; }
+],
+gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
+AC_MSG_RESULT($gdb_cv_c_long_long)
+if test $gdb_cv_c_long_long = yes; then
+ AC_DEFINE(CC_HAS_LONG_LONG)
+fi
+
+dnl See if the compiler and runtime support printing long long
+
+AC_MSG_CHECKING(for long long support in printf)
+AC_CACHE_VAL(gdb_cv_printf_has_long_long,
+[AC_TRY_RUN([
+int main () {
+ 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 $gdb_cv_printf_has_long_long = yes; then
+ AC_DEFINE(PRINTF_HAS_LONG_LONG)
+fi
+AC_MSG_RESULT($gdb_cv_printf_has_long_long)
+
+dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
+dnl because autoconf complains about cross-compilation issues. However, this
+dnl code uses the same variables as the macro for compatibility.
+
+AC_MSG_CHECKING(for long double support in compiler)
+AC_CACHE_VAL(ac_cv_c_long_double,
+[AC_TRY_COMPILE(, [long double foo;],
+ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
+AC_MSG_RESULT($ac_cv_c_long_double)
+if test $ac_cv_c_long_double = yes; then
+ AC_DEFINE(HAVE_LONG_DOUBLE)
+fi
+
+dnl See if the compiler and runtime support printing long doubles
+
+AC_MSG_CHECKING(for long double support in printf)
+AC_CACHE_VAL(gdb_cv_printf_has_long_double,
+[AC_TRY_RUN([
+int main () {
+ 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 $gdb_cv_printf_has_long_double = yes; then
+ AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
+fi
+AC_MSG_RESULT($gdb_cv_printf_has_long_double)
+
+dnl See if the compiler and runtime support scanning long doubles
+
+AC_MSG_CHECKING(for long double support in scanf)
+AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
+[AC_TRY_RUN([
+int main () {
+ 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 $gdb_cv_scanf_has_long_double = yes; then
+ AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
+fi
+AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
+
+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)
+ 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)
+ 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 $gdb_cv_proc_service_is_old = yes; then
+ AC_DEFINE(PROC_SERVICE_IS_OLD)
+ fi
+ else
+ AC_MSG_RESULT(no)
+ fi
+ ;;
+ aix*)
+ AC_MSG_CHECKING(for AiX thread debugging library)
+ AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
+ [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
+ [#ifndef PTHDB_VERSION_3
+ #error
+ #endif],
+ gdb_cv_have_aix_thread_debug=yes,
+ gdb_cv_have_aix_thread_debug=no)])
+ AC_MSG_RESULT($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 we can use 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="$t"
+ ;;
+ esac
+], [
+ TARGET_SYSTEM_ROOT=
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
+])
+AC_SUBST(TARGET_SYSTEM_ROOT)
+AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+
+# NOTE: Don't add -Wall or -Wunused, they both include
+# -Wunused-parameter which reports bogus warnings.
+# NOTE: If you add to this list, remember to update
+# gdb/doc/gdbint.texinfo.
+build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
+-Wformat -Wparentheses -Wpointer-arith -Wuninitialized -Wformat-nonliteral \
+-Wunused-label -Wunused-function"
+# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
+# -Wunused-function -Wunused-variable -Wunused-value
+# -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual
+# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
+# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
+# -Woverloaded-virtual -Winline -Werror"
+AC_ARG_ENABLE(build-warnings,
+[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
+[case "${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 = $build_warnings" 6>&1
+fi])dnl
+WARN_CFLAGS=""
+WERROR_CFLAGS=""
+if test "x${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-unix.o ser-pipe.o ser-tcp.o"
+case ${host} in
+ *go32* ) SER_HARDWIRE=ser-go32.o ;;
+ *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
+esac
+AC_SUBST(SER_HARDWIRE)
+
+# libreadline needs libuser32.a in a cygwin environment
+WIN32LIBS=
+if test x$gdb_cv_os_cygwin = xyes; then
+ WIN32LIBS="-luser32"
+ case "${target}" in
+ *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
+ ;;
+ esac
+fi
+AC_SUBST(WIN32LIBS)
+
+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)"
+ # Tcl/Tk 8.1 require -fwritable strings. I don't
+ # know whether 8.2 will or not, but I bet it will.
+ # I don't have to worry about 7.x since we don't support it.
+ GDBTK_CFLAGS=""
+ if test "$GCC" = "yes"; then
+ if test "$TCL_VERSION" != "8.0" ; then
+ GDBTK_CFLAGS="-fwritable-strings"
+ fi
+ fi
+
+ # 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)
+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 "${target}" = "${host}"; 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
+' ${target_makefile_frag}`
+
+if test "${target}" = "${host}"; 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 if host and target are the same.
+if test "x$target" = "x$host"; 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, "${GDB_XM_FILE}")
+fi
+AC_SUBST(xm_h)
+
+rm -f tm.h
+tm_h=""
+if test "${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, "${GDB_TM_FILE}")
+fi
+AC_SUBST(tm_h)
+
+rm -f nm.h
+nm_h=""
+if test "${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, "${GDB_NM_FILE}")
+fi
+AC_SUBST(nm_h)
+
+AC_LINK_FILES($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
generated by cgit v1.1 at 2024-07-13 21:08:31 +0000