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, 2007, 2008, 2009, 2010
-dnl Free Software Foundation, Inc.
+dnl Copyright (C) 1995-2019 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
-dnl
+dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3 of the License, or
dnl 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
+# Set the 'development' global.
+. $srcdir/../bfd/development.sh
+
AC_PROG_CC
+AC_PROG_CXX
+
AC_USE_SYSTEM_EXTENSIONS
-gl_EARLY
ACX_LARGEFILE
AM_PROG_CC_STDC
+AM_PROG_INSTALL_STRIP
AC_CONFIG_AUX_DIR(..)
AC_CANONICAL_SYSTEM
+AC_ARG_PROGRAM
+
+# We require a C++11 compiler. Check if one is available, and if
+# necessary, set CXX_DIALECT to some -std=xxx switch.
+AX_CXX_COMPILE_STDCXX(11, , mandatory)
# Dependency checking.
ZW_CREATE_DEPDIR
ZW_PROG_COMPILER_DEPENDENCIES([CC])
-# Check for the 'make' the user wants to use.
-AC_CHECK_PROGS(MAKE, make)
-MAKE_IS_GNU=
-case "`$MAKE --version 2>&1 | sed 1q`" in
- *GNU*)
- MAKE_IS_GNU=yes
- ;;
-esac
-AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
-AC_PROG_MAKE_SET
+gnulib_extra_configure_args=
+# If large-file support is disabled, make sure gnulib does the same.
+if test "$enable_largefile" = no; then
+gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
+fi
+
+# Configure gnulib. We need to build gnulib under some other
+# directory not "gnulib", to avoid the problem of both GDB and
+# GDBserver wanting to build it in the same directory, when building
+# in the source dir.
+ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
+ ["$gnulib_extra_configure_args"])
dnl List of object files and targets accumulated by configure.
if test x"$USE_NLS" = xyes; then
CONFIG_ALL="$CONFIG_ALL all-po"
- CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
+ CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
CONFIG_INSTALL="$CONFIG_INSTALL install-po"
CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
fi
-gl_INIT
+GNULIB=build-gnulib/import
# For Makefile dependencies.
GNULIB_STDINT_H=
if test x"$STDINT_H" != x; then
- GNULIB_STDINT_H=gnulib/$STDINT_H
+ GNULIB_STDINT_H=$GNULIB/$STDINT_H
fi
AC_SUBST(GNULIB_STDINT_H)
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
AC_SUBST(PACKAGE)
-# GDB does not use automake, but gnulib does. This line lets us
-# generate its Makefile.in.
-AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
+# We never need to detect it in this sub-configure.
+# But preserve it for config.status --recheck.
+AC_ARG_VAR(MAKEINFO,
+ [Parent configure detects if it is of sufficient version.])
+AC_ARG_VAR(MAKEINFOFLAGS,
+ [Parameters for MAKEINFO.])
+
+MAKEINFO_EXTRA_FLAGS=""
+AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
+ [echo '@clicksequence{a @click{} b}' >conftest.texinfo
+ if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
+ gdb_cv_have_makeinfo_click=yes
+ else
+ gdb_cv_have_makeinfo_click=no
+ fi])
+if test x"$gdb_cv_have_makeinfo_click" = xyes; then
+ MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
+fi
+AC_SUBST(MAKEINFO_EXTRA_FLAGS)
GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
[look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
[${libdir}/debug])
+# We can't pass paths as command line arguments.
+# Mingw32 tries to be clever and will convert the paths for us.
+# For example -DBINDIR="/usr/local/bin" passed on the command line may get
+# converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
+# This breaks GDB's relocatable path conversions since paths passed in
+# config.h would not get so translated, the path prefixes no longer match.
+AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
+
# GDB's datadir relocation
GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
[Relocated directory for source files. ])
])
-AC_CONFIG_SUBDIRS(doc testsuite)
+AC_MSG_CHECKING([for default auto-load directory])
+AC_ARG_WITH(auto-load-dir,
+AS_HELP_STRING([--with-auto-load-dir=PATH],
+ [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
+ [with_auto_load_dir='$debugdir:$datadir/auto-load'])
+escape_dir=`echo $with_auto_load_dir | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
+AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
+ [Directories from which to load auto-loaded scripts.])
+AC_MSG_RESULT([$with_auto_load_dir])
+
+AC_MSG_CHECKING([for default auto-load safe-path])
+AC_ARG_WITH(auto-load-safe-path,
+AS_HELP_STRING([--with-auto-load-safe-path=PATH],
+ [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
+AS_HELP_STRING([--without-auto-load-safe-path],
+ [do not restrict auto-loaded files locations]),
+ [if test "$with_auto_load_safe_path" = "no"; then
+ with_auto_load_safe_path="/"
+ fi],
+[with_auto_load_safe_path="$with_auto_load_dir"])
+escape_dir=`echo $with_auto_load_safe_path | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
+AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
+ [Directories safe to hold auto-loaded files.])
+AC_MSG_RESULT([$with_auto_load_safe_path])
+
+AC_CONFIG_SUBDIRS(testsuite)
# Check whether to support alternative target configurations
AC_ARG_ENABLE(targets,
. $srcdir/configure.host
+# Add in the common host objects.
+. $srcdir/common/common.host
+gdb_host_obs="$gdb_host_obs $common_host_obs"
+
# Accumulate some settings from configure.tgt over all enabled targets
TARGET_OBS=
all_targets=
+HAVE_NATIVE_GCORE_TARGET=
for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
do
if test x${want64} = xfalse; then
. ${srcdir}/../bfd/config.bfd
fi
+
+ # Check whether this target is native and supports gcore.
+ if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
+ && $gdb_have_gcore; then
+ HAVE_NATIVE_GCORE_TARGET=1
+ fi
fi
done
fi
AC_SUBST(TARGET_OBS)
+AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
# For other settings, only the main target counts.
gdb_sim=
[Define to BFD's default target vector. ])
fi
-# The CLI cannot be disabled yet, but may be in the future.
-
-# Enable CLI.
-AC_ARG_ENABLE(gdbcli,
-AS_HELP_STRING([--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="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
- fi
-fi
-
# Enable MI.
AC_ARG_ENABLE(gdbmi,
AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
enable_gdbtk=no ;;
esac
-# Libunwind support.
-AC_ARG_WITH(libunwind,
-AS_HELP_STRING([--with-libunwind], [use libunwind frame unwinding support]),
-[case "${withval}" in
- yes) enable_libunwind=yes ;;
- no) enable_libunwind=no ;;
- *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
-esac],[
- AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
- if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
- enable_libunwind=yes;
+# Libunwind support for ia64.
+
+AC_ARG_WITH(libunwind-ia64,
+AS_HELP_STRING([--with-libunwind-ia64],
+ [use libunwind frame unwinding for ia64 targets]),,
+ [with_libunwind_ia64=auto])
+
+# Backward compatibility option.
+if test "${with_libunwind+set}" = set; then
+ if test x"$with_libunwind_ia64" != xauto; then
+ AC_MSG_ERROR(
+ [option --with-libunwind is deprecated, use --with-libunwind-ia64])
fi
-])
-
-if test x"$enable_libunwind" = xyes; then
- AC_CHECK_HEADERS(libunwind.h 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="$CONFIG_SRCS libunwind-frame.c"
+ AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
+ with_libunwind_ia64="$with_libunwind"
+fi
+
+case "$with_libunwind_ia64" in
+ yes | no)
+ ;;
+ auto)
+ AC_CHECK_HEADERS(libunwind-ia64.h)
+ with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
+ ;;
+ *)
+ AC_MSG_ERROR(
+ [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
+ ;;
+esac
+
+if test x"$with_libunwind_ia64" = xyes; then
+ AC_CHECK_HEADERS(libunwind-ia64.h)
+ if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
+ AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
+ fi
+ CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
+ CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
+ CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
fi
opt_curses=no
CFLAGS="$OLD_CFLAGS"
fi
+CODESIGN_CERT=
+AC_ARG_ENABLE([codesign],
+ AS_HELP_STRING([--enable-codesign=CERT],
+ [sign gdb with 'codesign -s CERT']),
+ [CODESIGN_CERT=$enableval])
+AC_SUBST([CODESIGN_CERT])
+
ACX_PKGVERSION([GDB])
ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
AC_CHECK_TOOL(DLLTOOL, dlltool)
AC_CHECK_TOOL(WINDRES, windres)
-# Needed for GNU/Hurd.
-AC_CHECK_TOOL(MIG, mig)
+case $host_os in
+ gnu*)
+ # Needed for GNU Hurd hosts.
+ AC_CHECK_TOOL(MIG, mig)
+ if test x"$MIG" = x; then
+ AC_MSG_ERROR([MIG not found but required for $host hosts])
+ fi
+ ;;
+esac
# ---------------------- #
# 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)
# Link in zlib if we can. This allows us to read compressed debug sections.
AM_ZLIB
-# On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
-AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
+# On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
+# On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
+AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
+ [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
+ [Define to 1 if your system has the kinfo_getvmmap function. ])])
-AM_ICONV
+# fbsd-nat.c can also use kinfo_getfile.
+AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd,
+ [AC_DEFINE(HAVE_KINFO_GETFILE, 1,
+ [Define to 1 if your system has the kinfo_getfile function. ])])
-# On alpha-osf, it appears that libtermcap and libcurses are not compatible.
-# There is a very specific comment in /usr/include/curses.h explaining that
-# termcap routines built into libcurses must not be used.
-#
-# The symptoms we observed so far is GDB unexpectedly changing
-# the terminal settings when tgetent is called - this is particularly
-# visible as the output is missing carriage returns, and so rapidly
-# becomes very hard to read.
-#
-# The readline configure script has already decided that libtermcap
-# was enough for its purposes, and so decided to build readline using
-# libtermcap. Since the TUI mode requires curses, building GDB with
-# TUI enabled results in both libraries to be used at the same time,
-# which is not allowed. This basically means that GDB with TUI is
-# broken on alpha-osf.
+AM_ICONV
-case $host_os in
- osf* )
- if test x"$enable_tui" = xyes; then
- AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
- fi
- if test x"$enable_tui" = xauto; then
- enable_tui=no
- fi
- ;;
-esac
+# GDB may fork/exec the iconv program to get the list of supported character
+# sets. Allow the user to specify where to find it.
+# There are several factors affecting the choice of option name:
+# - There is already --with-libiconv-prefix but we can't use it, it specifies
+# the build-time location of libiconv files.
+# - The program we need to find is iconv, which comes with glibc. The user
+# doesn't necessarily have libiconv installed. Therefore naming this
+# --with-libiconv-foo feels wrong.
+# - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
+# defined to work on directories not files (though it really doesn't know
+# the difference).
+# - Calling this --with-iconv-prefix is perceived to cause too much confusion
+# with --with-libiconv-prefix.
+# Putting these together is why the option name is --with-iconv-bin.
+
+AC_ARG_WITH(iconv-bin,
+AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
+[iconv_bin="${withval}"
+ AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
+ [Path of directory of iconv program.])
+ GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
+])
# For the TUI, we need enhanced curses functionality.
if test x"$enable_tui" != xno; then
# 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])
+ AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
if test "$ac_cv_search_waddstr" != no; then
curses_found=yes
CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
ENABLE_CFLAGS="$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
if test x"$enable_tui" = xyes; then
AC_MSG_ERROR([no enhanced curses library found; disable TUI])
# 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.
+# have a separate termcap library, or no curses library at all.
case $host_os in
cygwin*)
go32* | *djgpp*)
ac_cv_search_tgetent="none required"
;;
- *mingw32*)
- ac_cv_search_tgetent="none required"
- CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
- ;;
esac
# These are the libraries checked by Readline.
-AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
+AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
if test "$ac_cv_search_tgetent" = no; then
- AC_MSG_ERROR([no termcap library found])
+ CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
fi
AC_ARG_WITH([system-readline],
READLINE=-lreadline
READLINE_DEPS=
READLINE_CFLAGS=
-
- # readline-6.0 started to use the name `_rl_echoing_p'.
- # `$(READLINE_DIR)/' of bundled readline would not resolve in configure.
-
- AC_MSG_CHECKING([for readline_echoing_p])
- save_LIBS=$LIBS
- LIBS="$LIBS $READLINE"
- AC_LINK_IFELSE(AC_LANG_PROGRAM(,[[extern int readline_echoing_p;
- return readline_echoing_p;]]),
- [READLINE_ECHOING_P=yes],
- [READLINE_ECHOING_P=no
- AC_DEFINE([readline_echoing_p], [_rl_echoing_p],
- [readline-6.0 started to use different name.])])
- LIBS="$save_LIBS"
- AC_MSG_RESULT([$READLINE_ECHOING_P])
+ READLINE_TEXI_INCFLAG=
else
READLINE='$(READLINE_DIR)/libreadline.a'
READLINE_DEPS='$(READLINE)'
READLINE_CFLAGS='-I$(READLINE_SRC)/..'
+ READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
fi
AC_SUBST(READLINE)
AC_SUBST(READLINE_DEPS)
AC_SUBST(READLINE_CFLAGS)
+AC_SUBST(READLINE_TEXI_INCFLAG)
+
+# Generate jit-reader.h
+
+# This is typedeffed to GDB_CORE_ADDR in jit-reader.h
+TARGET_PTR=
+
+AC_CHECK_SIZEOF(unsigned long long)
+AC_CHECK_SIZEOF(unsigned long)
+AC_CHECK_SIZEOF(unsigned __int128)
+
+if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
+ TARGET_PTR="unsigned long"
+elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
+ TARGET_PTR="unsigned long long"
+elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
+ TARGET_PTR="unsigned __int128"
+else
+ TARGET_PTR="unsigned long"
+fi
+
+AC_SUBST(TARGET_PTR)
+AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
+
+AC_SEARCH_LIBS(dlopen, dl)
+
+GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
+ [directory to load the JIT readers from],
+ [${libdir}/gdb])
AC_ARG_WITH(expat,
AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
fi
fi
+AC_ARG_WITH(mpfr,
+ AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
+ [], [with_mpfr=auto])
+AC_MSG_CHECKING([whether to use MPFR])
+AC_MSG_RESULT([$with_mpfr])
+
+if test "${with_mpfr}" = no; then
+ AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
+ HAVE_LIBMPFR=no
+else
+ AC_LIB_HAVE_LINKFLAGS([mpfr], [gmp], [#include <mpfr.h>],
+ [mpfr_exp_t exp; mpfr_t x;
+ mpfr_frexp (&exp, x, x, MPFR_RNDN);])
+ if test "$HAVE_LIBMPFR" != yes; then
+ if test "$with_mpfr" = yes; then
+ AC_MSG_ERROR([MPFR is missing or unusable])
+ else
+ AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
+ fi
+ fi
+fi
+
+# --------------------- #
+# Check for libpython. #
+# --------------------- #
+
dnl Utility to simplify finding libpython.
dnl $1 = pythonX.Y
dnl $2 = the shell variable to assign the result to
save_CPPFLAGS=$CPPFLAGS
save_LIBS=$LIBS
CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
- LIBS="$LIBS $new_LIBS"
+ LIBS="$new_LIBS $LIBS"
found_usable_python=no
- AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]],
- [[Py_Initialize ();]]),
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
+ [[Py_Initialize ();]])],
[have_libpython_var=${version}
- found_usable_python=yes],
- [CPPFLAGS=$save_CPPFLAGS
- LIBS=$save_LIBS])
+ found_usable_python=yes
+ PYTHON_CPPFLAGS=$new_CPPFLAGS
+ PYTHON_LIBS=$new_LIBS])
+ CPPFLAGS=$save_CPPFLAGS
+ LIBS=$save_LIBS
AC_MSG_RESULT([${found_usable_python}])
])
dnl yes - Include python support, error if it's missing.
dnl If we find python in $PATH, use it to fetch configure options,
dnl otherwise assume the compiler can find it with no help from us.
-dnl Python 2.6, 2.5, and then 2.4 are tried in turn.
+dnl Python 2.7 and 2.6 are tried in turn.
dnl auto - Same as "yes", but if python is missing from the system,
dnl fall back to "no".
dnl /path/to/python/exec-prefix -
dnl the compilation parameters. Otherwise use
dnl -I/path/to/python/exec-prefix/include,
dnl -L/path/to/python/exec-prefix/lib.
-dnl Python 2.6, 2.5, and then 2.4 are tried in turn.
+dnl Python 2.7 and 2.6 are tried in turn.
dnl NOTE: This case is historical. It is what was done for 7.0/7.1
dnl but is deprecated.
dnl /path/to/python/executable -
have_libpython=no
else
case "${with_python}" in
- /*)
+ [[\\/]]* | ?:[[\\/]]*)
if test -d ${with_python}; then
# Assume the python binary is ${with_python}/bin/python.
python_prog="${with_python}/bin/python"
python_prefix=
- if test ! -x ${python_prog}; then
+ # If python does not exit ${with_python}/bin, then try in
+ # ${with_python}. On Windows/MinGW, this is where the Python
+ # executable is.
+ if test ! -x "${python_prog}"; then
+ python_prog="${with_python}/python"
+ python_prefix=
+ fi
+ if test ! -x "${python_prog}"; then
# Fall back to gdb 7.0/7.1 behaviour.
python_prog=missing
python_prefix=${with_python}
fi
- elif test -x ${with_python}; then
+ elif test -x "${with_python}"; then
# While we can't run python compiled for $host (unless host == build),
# the user could write a script that provides the needed information,
# so we support that.
esac
if test "${python_prog}" != missing; then
+ # We have a python program to use, but it may be too old.
+ # Don't flag an error for --with-python=auto (the default).
+ have_python_config=yes
python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
if test $? != 0; then
- AC_ERROR(failure running python-config --includes)
+ have_python_config=failed
+ if test "${with_python}" != auto; then
+ AC_ERROR(failure running python-config --includes)
+ fi
fi
python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
if test $? != 0; then
- AC_ERROR(failure running python-config --ldflags)
+ have_python_config=failed
+ if test "${with_python}" != auto; then
+ AC_ERROR(failure running python-config --ldflags)
+ fi
fi
python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
if test $? != 0; then
- AC_ERROR(failure running python-config --exec-prefix)
+ have_python_config=failed
+ if test "${with_python}" != auto; then
+ AC_ERROR(failure running python-config --exec-prefix)
+ fi
fi
- have_python_config=yes
else
- # Fall back to gdb 7.0/7.1 behaviour.
- if test -z ${python_prefix}; then
- python_includes=
- python_libs=
- else
- python_includes="-I${python_prefix}/include"
- python_libs="-L${python_prefix}/lib"
- fi
+ # We do not have a python executable we can use to determine where
+ # to find the Python headers and libs. We cannot guess the include
+ # path from the python_prefix either, because that include path
+ # depends on the Python version. So, there is nothing much we can
+ # do except assume that the compiler will be able to find those files.
+ python_includes=
+ python_libs=
have_python_config=no
fi
- # Having "/pythonX.Y" in the include path is awkward.
- # All those python headers get bubbled up to the top inviting lots
- # of random collisions. GDB originally didn't use python-config to
- # find the compilation parameters and includes "pythonX.Y/" in the
- # path of the, umm, include file. So strip away this part of the
- # output of python-config --includes.
- python_includes=`echo "${python_includes} " \
- | sed -e 's,/python[[0-9]]*[[.]][[0-9]]* , ,g'`
-
# If we have python-config, only try the configuration it provides.
# Otherwise fallback on the old way of trying different versions of
# python in turn.
have_libpython=no
if test "${have_python_config}" = yes; then
+ # Determine the Python version by extracting "-lpython<version>"
+ # part of the python_libs. <version> is usually X.Y with X and Y
+ # being decimal numbers, but can also be XY (seen on Windows).
+ #
+ # The extraction is performed using sed with a regular expression.
+ # Initially, the regexp used was using the '?' quantifier to make
+ # the dot in the version number optional. Unfortunately, this
+ # does not work with non-GNU versions of sed because, because of
+ # what looks like a limitation (the '?' quantifier does not work
+ # with back-references). We work around this limitation by using
+ # the '*' quantifier instead. It means that, in theory, we might
+ # match unexpected version strings such as "-lpython2..7", but
+ # this seems unlikely in practice. And even if that happens,
+ # an error will be triggered later on, when checking that version
+ # number.
python_version=`echo " ${python_libs} " \
- | sed -e 's,^.* -l\(python[[0-9]]*[[.]][[0-9]]*\) .*$,\1,'`
+ | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'`
case "${python_version}" in
python*)
AC_TRY_LIBPYTHON(${python_version}, have_libpython,
AC_MSG_ERROR([unable to determine python version from ${python_libs}])
;;
esac
- else
+ elif test "${have_python_config}" != failed; then
if test "${have_libpython}" = no; then
- AC_TRY_LIBPYTHON(python2.6, have_libpython,
- ${python_includes}, "${python_libs} -lpython2.6")
+ AC_TRY_LIBPYTHON(python2.7, have_libpython,
+ ${python_includes}, "-lpython2.7 ${python_libs}")
fi
- if test ${have_libpython} = no; then
- AC_TRY_LIBPYTHON(python2.5, have_libpython,
- ${python_includes}, "${python_libs} -lpython2.5")
- fi
- if test ${have_libpython} = no; then
- AC_TRY_LIBPYTHON(python2.4, have_libpython,
- ${python_includes}, "${python_libs} -lpython2.4")
+ if test "${have_libpython}" = no; then
+ AC_TRY_LIBPYTHON(python2.6, have_libpython,
+ ${python_includes}, "-lpython2.6 ${python_libs}")
fi
fi
- if test "${have_libpython}" = python2.6; then
+ if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then
+ AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
+ elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then
AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
- elif test "${have_libpython}" = python2.5; then
- AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
- elif test "${have_libpython}" = python2.4; then
- AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
fi
if test "${have_libpython}" = no; then
CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
+ CONFIG_INSTALL="$CONFIG_INSTALL install-python"
ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
# Flags needed to compile Python code (taken from python-config --cflags).
# would make the python-related objects be compiled differently from the
# rest of GDB (e.g., -O2 and -fPIC).
if test "${GCC}" = yes; then
- tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
+ tentative_python_cflags="-fno-strict-aliasing -fwrapv"
+ # Python headers recommend -DNDEBUG, but it's unclear if that just
+ # refers to building Python itself. In release mode, though, it
+ # doesn't hurt for the Python code in gdb to follow.
+ $development || tentative_python_cflags="$tentative_python_cflags -DNDEBUG"
fi
if test "x${tentative_python_cflags}" != x; then
done
AC_MSG_RESULT(${PYTHON_CFLAGS})
fi
+
+ # On x64 Windows, Python's include headers, and pyconfig.h in
+ # particular, rely on MS_WIN64 macro to detect that it's a 64bit
+ # version of Windows. Unfortunately, MS_WIN64 is only defined if
+ # _MSC_VER, a Microsoft-specific macro, is defined. So, when
+ # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
+ # The issue was reported to the Python community, but still isn't
+ # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
+
+ case "$gdb_host" in
+ mingw64)
+ if test "${GCC}" = yes; then
+ CPPFLAGS="$CPPFLAGS -DMS_WIN64"
+ fi
+ ;;
+ esac
+
+ # Note that "python -m threading" cannot be used to check for
+ # threading support due to a bug in Python 2.7.3
+ # (http://bugs.python.org/issue15567).
+ AC_MSG_CHECKING(whether python supports threads)
+ saved_CPPFLAGS="${CPPFLAGS}"
+ CPPFLAGS="${PYTHON_CPPFLAGS}"
+ # Note that the test is reversed so that python_has_threads=yes on
+ # unexpected failures.
+ AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
+#include <Python.h>
+#ifdef WITH_THREAD
+# error
+#endif
+ ]])], [python_has_threads=no], [python_has_threads=yes])
+ AC_MSG_RESULT(${python_has_threads})
+ CPPFLAGS="${saved_CPPFLAGS}"
else
- # Even if Python support is not compiled in, we need to have these files
- # included.
- CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
- CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
- python/py-prettyprint.c python/py-auto-load.c"
+ # Even if Python support is not compiled in, we need to have this file
+ # included so that the "python" command, et.al., still exists.
+ CONFIG_OBS="$CONFIG_OBS python/python.o"
+ CONFIG_SRCS="$CONFIG_SRCS python/python.c"
fi
+
+# Work around Python http://bugs.python.org/issue10112. See also
+# http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
+# no effect. Note that the only test after this that uses Python is
+# the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
+# run without -export-dynamic too.
+PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
+
AC_SUBST(PYTHON_CFLAGS)
+AC_SUBST(PYTHON_CPPFLAGS)
+AC_SUBST(PYTHON_LIBS)
+AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
+
+# -------------------- #
+# Check for libguile. #
+# -------------------- #
+
+dnl Utility to simplify finding libguile.
+dnl $1 = pkg-config-program
+dnl $2 = space-separate list of guile versions to try
+dnl $3 = yes|no, indicating whether to flag errors or ignore them
+dnl $4 = the shell variable to assign the result to
+dnl If libguile is found we store "yes" here.
+
+AC_DEFUN([AC_TRY_LIBGUILE],
+[
+ pkg_config=$1
+ guile_version_list=$2
+ flag_errors=$3
+ define([have_libguile_var],$4)
+ found_usable_guile=checking
+ AC_MSG_CHECKING([for usable guile from ${pkg_config}])
+ for guile_version in ${guile_version_list}; do
+ ${pkg_config} --exists ${guile_version} 2>/dev/null
+ if test $? != 0; then
+ continue
+ fi
+ dnl pkg-config says the package exists, so if we get an error now,
+ dnl that's bad.
+ new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
+ if test $? != 0; then
+ AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
+ fi
+ new_LIBS=`${pkg_config} --libs ${guile_version}`
+ if test $? != 0; then
+ AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
+ fi
+ dnl If we get this far, great.
+ found_usable_guile=${guile_version}
+ break
+ done
+ if test "${found_usable_guile}" = "checking"; then
+ if test "${flag_errors}" = "yes"; then
+ AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
+ else
+ found_usable_guile=no
+ fi
+ fi
+ dnl One final sanity check.
+ dnl The user could have said --with-guile=python-2.7.
+ if test "${found_usable_guile}" != no; then
+ save_CPPFLAGS=$CPPFLAGS
+ save_LIBS=$LIBS
+ CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
+ LIBS="$LIBS $new_LIBS"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
+ [[scm_init_guile ();]])],
+ [have_libguile_var=yes
+ GUILE_CPPFLAGS=$new_CPPFLAGS
+ GUILE_LIBS=$new_LIBS],
+ [found_usable_guile=no])
+ dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
+ AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
+ AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
+ [Define if Guile supports manual finalization.])
+ )
+ CPPFLAGS=$save_CPPFLAGS
+ LIBS=$save_LIBS
+ if test "${found_usable_guile}" = no; then
+ if test "${flag_errors}" = yes; then
+ AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
+ fi
+ fi
+ fi
+ AC_MSG_RESULT([${found_usable_guile}])
+])
+
+dnl There are several different values for --with-guile:
+dnl
+dnl no - Don't include guile support.
+dnl yes - Include guile support, error if it's missing.
+dnl The pkg-config program must be in $PATH.
+dnl auto - Same as "yes", but if guile is missing from the system,
+dnl fall back to "no".
+dnl guile-version [guile-version-choice-2 ...] -
+dnl A space-separated list of guile package versions to try.
+dnl These are passed to pkg-config as-is.
+dnl E.g., guile-2.0 or guile-2.2-uninstalled
+dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
+dnl /path/to/pkg-config -
+dnl Use this pkg-config program.
+dnl NOTE: This needn't be the "real" pkg-config program.
+dnl It could be a shell script. It is invoked as:
+dnl pkg-config --exists $version
+dnl pkg-config --cflags $version
+dnl pkg-config --libs $version
+dnl pkg-config --variable guild $version
+dnl The script will be called with $version having each value in
+dnl $try_guile_versions until --exists indicates success.
+
+AC_ARG_WITH(guile,
+ AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
+ [], [with_guile=auto])
+AC_MSG_CHECKING([whether to use guile])
+AC_MSG_RESULT([$with_guile])
+
+dnl We check guile with pkg-config.
+AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
+
+try_guile_versions="guile-2.0"
+have_libguile=no
+case "${with_guile}" in
+no)
+ AC_MSG_WARN([guile support disabled; some features will be unavailable.])
+ ;;
+auto)
+ if test "${pkg_config_prog_path}" = "missing"; then
+ AC_MSG_WARN([pkg-config not found, guile support disabled])
+ else
+ AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
+ fi
+ ;;
+yes)
+ if test "${pkg_config_prog_path}" = "missing"; then
+ AC_MSG_ERROR([pkg-config not found])
+ fi
+ AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
+ ;;
+[[\\/]]* | ?:[[\\/]]*)
+ if test -x "${with_guile}"; then
+ AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
+ else
+ AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
+ fi
+ ;;
+"" | */*)
+ # Disallow --with=guile="" and --with-guile=foo/bar.
+ AC_MSG_ERROR([invalid value for --with-guile])
+ ;;
+*)
+ # A space separate list of guile versions to try, in order.
+ if test "${pkg_config_prog_path}" = "missing"; then
+ AC_MSG_ERROR([pkg-config not found])
+ fi
+ AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
+ ;;
+esac
+
+if test "${have_libguile}" != no; then
+ dnl Get the name of the 'guild' program.
+ case "${with_guile}" in
+ [[\\/]]* | ?:[[\\/]]*)
+ GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
+ ;;
+ *)
+ GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
+ ;;
+ esac
+
+ dnl Make sure guild can handle this host.
+ GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
+ dnl If not, disable guile support.
+ if test "$ac_cv_guild_ok" = no; then
+ have_libguile=no
+ AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
+ fi
+fi
+
+if test "${have_libguile}" != no; then
+ AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
+ CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
+ CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
+ CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
+ CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
+ ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
+
+ dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
+ save_LIBS="$LIBS"
+ save_CPPFLAGS="$CPPFLAGS"
+ LIBS="$GUILE_LIBS"
+ CPPFLAGS="$GUILE_CPPFLAGS"
+ AC_CHECK_FUNCS([scm_new_smob])
+ LIBS="$save_LIBS"
+ CPPFLAGS="$save_CPPFLAGS"
+else
+ # Even if Guile support is not compiled in, we need to have these files
+ # included.
+ CONFIG_OBS="$CONFIG_OBS guile/guile.o"
+ CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
+fi
+AC_SUBST(GUILE_CPPFLAGS)
+AC_SUBST(GUILE_LIBS)
+AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
+
+# ---------------------------- #
+# Check for source highlight. #
+# ---------------------------- #
+
+SRCHIGH_LIBS=
+SRCHIGH_CFLAGS=
+
+AC_ARG_ENABLE(source-highlight,
+ AS_HELP_STRING([--enable-source-highlight],
+ [enable source-highlight for source listings]),
+ [case "${enableval}" in
+ yes) enable_source_highlight=yes ;;
+ no) enable_source_highlight=no ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
+esac],
+[enable_source_highlight=auto])
+
+if test "${enable_source_highlight}" != "no"; then
+ AC_MSG_CHECKING([for the source-highlight library])
+ if test "${pkg_config_prog_path}" = "missing"; then
+ AC_MSG_RESULT([no - pkg-config not found])
+ if test "${enable_source_highlight}" = "yes"; then
+ AC_MSG_ERROR([pkg-config was not found in your system])
+ fi
+ else
+ if ${pkg_config_prog_path} --exists source-highlight; then
+ SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
+ SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
+ AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
+ [Define to 1 if the source-highlight library is available])
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ if test "${enable_source_highlight}" = "yes"; then
+ AC_MSG_ERROR([source-highlight was not found in your system])
+ fi
+ fi
+ fi
+fi
+AC_SUBST(SRCHIGH_LIBS)
+AC_SUBST(SRCHIGH_CFLAGS)
+
+# --------------------- #
+# Check for libmcheck. #
+# --------------------- #
+
+# Enable -lmcheck by default (it provides cheap-enough memory mangling),
+# but turn it off if Python is enabled with threads, since -lmcheck is
+# not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939),
+# and for releases.
+if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \
+ && $development; then
+ libmcheck_default=yes
+else
+ libmcheck_default=no
+fi
+GDB_AC_LIBMCHECK(${libmcheck_default})
+
+if test "$ENABLE_LIBMCHECK" = "yes" \
+ -a "${have_libpython}" != "no" \
+ -a "${python_has_threads}" = "yes" ; then
+ AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python)
+fi
+
+AC_ARG_WITH(intel_pt,
+ AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
+ [], [with_intel_pt=auto])
+AC_MSG_CHECKING([whether to use intel pt])
+AC_MSG_RESULT([$with_intel_pt])
+
+if test "${with_intel_pt}" = no; then
+ AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
+ HAVE_LIBIPT=no
+else
+ AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
+#include <linux/perf_event.h>
+#ifndef PERF_ATTR_SIZE_VER5
+# error
+#endif
+ ]])], [perf_event=yes], [perf_event=no])
+ if test "$perf_event" != yes; then
+ if test "$with_intel_pt" = yes; then
+ AC_MSG_ERROR([linux/perf_event.h missing or too old])
+ else
+ AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
+ fi
+ fi
+
+ AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
+ if test "$HAVE_LIBIPT" != yes; then
+ if test "$with_intel_pt" = yes; then
+ AC_MSG_ERROR([libipt is missing or unusable])
+ else
+ AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
+ fi
+ else
+ save_LIBS=$LIBS
+ LIBS="$LIBS $LIBIPT"
+ AC_CHECK_FUNCS(pt_insn_event)
+ AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
+ [#include <intel-pt.h>])
+ LIBS=$save_LIBS
+ fi
+fi
# ------------------------- #
# Checks for header files. #
# ------------------------- #
-AC_HEADER_DIRENT
-AC_HEADER_STAT
AC_HEADER_STDC
# elf_hp.h is for HP/UX 64-bit shared library support.
-# FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
-# unconditionally, so what's the point in checking these?
AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
- thread_db.h gnu/libc-version.h signal.h stddef.h \
- stdlib.h string.h memory.h strings.h sys/fault.h \
+ thread_db.h linux/elf.h \
sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
- sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
- sys/types.h sys/wait.h wait.h termios.h termio.h \
- sgtty.h unistd.h elf_hp.h ctype.h time.h locale.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(sys/proc.h, [], [],
-[#if HAVE_SYS_PARAM_H
-# include <sys/param.h>
-#endif
-])
+ sys/reg.h sys/debugreg.h sys/select.h \
+ termios.h elf_hp.h \
+ dlfcn.h])
AC_CHECK_HEADERS(sys/user.h, [], [],
[#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
])
-# 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 ncurses/term.h)
+AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
AC_CHECK_HEADERS(term.h, [], [],
[#if HAVE_CURSES_H
# include <curses.h>
# Checks for declarations. #
# ------------------------- #
-AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
- snprintf, vsnprintf])
+libiberty_INIT
+
+AC_CHECK_DECLS([snprintf])
AM_LC_MESSAGES
# ----------------------- #
# Checks for types. #
# ------------------ #
-AC_TYPE_SIGNAL
AC_CHECK_TYPES(socklen_t, [], [],
[#include <sys/types.h>
#include <sys/socket.h>
# Checks for library functions. #
# ------------------------------ #
-AC_FUNC_ALLOCA
AC_FUNC_MMAP
AC_FUNC_VFORK
-AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
- getgid pipe poll pread64 sbrk setpgid setpgrp setsid \
- sigaction sigprocmask sigsetmask socketpair syscall \
- ttrace wborder setlocale iconvlist libiconvlist btowc \
- setrlimit getrlimit posix_madvise])
+AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
+ pipe poll pread pread64 pwrite resize_term \
+ sbrk getpgid setpgid setpgrp setsid \
+ sigaction sigprocmask sigsetmask socketpair \
+ ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
+ setrlimit getrlimit posix_madvise waitpid \
+ ptrace64 sigaltstack setns use_default_colors])
AM_LANGINFO_CODESET
+GDB_AC_COMMON
-# 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'}
-], $gdb_ptrace_headers)
-# Check return type. Varargs (used on GNU/Linux) conflict with the
-# empty argument list, so check for that explicitly.
-AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
- AC_TRY_COMPILE($gdb_ptrace_headers,
- [extern long ptrace (enum __ptrace_request, ...);],
- gdb_cv_func_ptrace_ret='long',
- 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, $gdb_cv_func_ptrace_ret,
- [Define as the return type of ptrace.])
-# Check argument types.
-AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
- AC_TRY_COMPILE($gdb_ptrace_headers,
- [extern long ptrace (enum __ptrace_request, ...);],
- [gdb_cv_func_ptrace_args='int,int,long,long'],[
-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' 'void *'; 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
+# Check the return and argument types of ptrace.
+GDB_AC_PTRACE
dnl AC_FUNC_SETPGRP does not work when cross compiling
dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
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
# 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>
+#define _KMEMUSER
#include <sys/lwp.h>], [struct lwp l;],
gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
if test $gdb_cv_struct_lwp = yes; then
# See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
# Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
- [#include <machine/reg.h>])
+ [#include <sys/types.h>
+#include <machine/reg.h>])
+
+# See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
+# Older amd64 Linux's don't have the fs_base and gs_base members of
+# `struct user_regs_struct'.
+AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
+ [], [], [#include <sys/types.h>
+#include <sys/user.h>])
# See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
AC_MSG_CHECKING(for PTRACE_GETREGS)
[gdb_cv_have_ptrace_getregs=no])])
AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
if test $gdb_cv_have_ptrace_getregs = yes; then
- AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
+ AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
[Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
fi
[Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
fi
-# Detect which type of /proc is in use, such as for Unixware or Solaris.
+# See if <sys/ptrace.h> supports LWP names on FreeBSD
+# Older FreeBSD versions don't have the pl_tdname member of
+# `struct ptrace_lwpinfo'.
+AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
+ [#include <sys/ptrace.h>])
-if test "${target}" = "${host}"; then
- case "${host}" in
- *-*-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
+# See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
+# pl_syscall_code member of `struct ptrace_lwpinfo' was added in
+# FreeBSD 10.3.
+AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
+ [#include <sys/ptrace.h>])
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
+ BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
fi
# Check if the compiler supports the `long long' type.
[[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.])
+if test $gdb_cv_c_long_long != yes; then
+ # libdecnumber requires long long.
+ AC_MSG_ERROR([Compiler must support long long for GDB.])
fi
# Check if the compiler and runtime support printing long longs.
# Check if the compiler and runtime support scanning long doubles.
-AC_CACHE_CHECK([for long double support in scanf],
+AC_CACHE_CHECK([for long double support in scanf],
gdb_cv_scanf_has_long_double,
[AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>]],
;;
esac
+AC_MSG_CHECKING(for the dynamic export flag)
+dynamic_list=false
+if test "${gdb_native}" = yes; then
+ # The dynamically loaded libthread_db needs access to symbols in the gdb
+ # executable. Older GNU ld supports --export-dynamic but --dynamic-list
+ # may not be supported there.
+ old_LDFLAGS="$LDFLAGS"
+ # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
+ RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
+ LDFLAGS="$LDFLAGS $RDYNAMIC"
+ if test "${have_libpython}" = no; then
+ AC_TRY_LINK([], [], [dynamic_list=true])
+ else
+ # Workaround http://bugs.python.org/issue4434 where static
+ # libpythonX.Y.a would get its symbols required for
+ # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
+ # Problem does not happen for the recommended libpythonX.Y.so linkage.
+
+ # Note the workaround for Python
+ # http://bugs.python.org/issue10112 earlier has removed
+ # -export-dynamic from PYTHON_LIBS. That's exactly what we want
+ # here too, as otherwise it'd make this -Wl,--dynamic-list test
+ # always pass.
+ old_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $PYTHON_CFLAGS"
+ old_LIBS="$LIBS"
+ LIBS="$LIBS $PYTHON_LIBS"
+ old_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include "Python.h"],
+ [int err;
+ Py_Initialize ();
+ err = PyRun_SimpleString ("import itertools\n");
+ Py_Finalize ();
+ return err == 0 ? 0 : 1;])],
+ [dynamic_list=true], [], [true])
+ LIBS="$old_LIBS"
+ CFLAGS="$old_CFLAGS"
+ CPPFLAGS="$old_CPPFLAGS"
+ fi
+ LDFLAGS="$old_LDFLAGS"
+fi
+if $dynamic_list; then
+ found="-Wl,--dynamic-list"
+ RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
+else
+ found="-rdynamic"
+ RDYNAMIC="-rdynamic"
+fi
+AC_SUBST(RDYNAMIC)
+AC_MSG_RESULT($found)
dnl For certain native configurations, we need to check whether thread
dnl support can be built in or not.
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,
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"
+ LIBS="$LIBS -lpthdebug"
+
+ # Older versions of AIX do not provide the declaration for
+ # the getthrds function (it appears that it was introduced
+ # with AIX 6.x).
+ AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
fi
;;
esac
[Define if <thread_db.h> has the TD_NOTLS error code.])
fi
-dnl See if we have a sys/syscall header file that has __NR_tkill.
-if test "x$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 Check if we can disable the virtual address space randomization.
dnl The functionality of setarch -R.
AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
[Define if you support the personality syscall.])
fi
+dnl Set the host's .gdbinit filename.
+case $host_os in
+ go32* | *djgpp*)
+ gdbinit=gdb.ini
+ ;;
+ *)
+ gdbinit=.gdbinit
+ ;;
+esac
+AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
+
dnl Handle optional features that can be enabled.
-target_sysroot_reloc=0
+# Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
+# except that the argument to --with-sysroot is optional.
+# --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
+if test "x$with_sysroot" = xyes; then
+ with_sysroot="${exec_prefix}/${target_alias}/sys-root"
+fi
AC_ARG_WITH(sysroot,
-AS_HELP_STRING([--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=\"$(TARGET_SYSTEM_ROOT)\"'
-
- if test "x$prefix" = xNONE; then
- test_prefix=/usr/local
- else
- test_prefix=$prefix
- fi
- if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
- test_exec_prefix=$test_prefix
- else
- test_exec_prefix=$exec_prefix
- fi
- case ${TARGET_SYSTEM_ROOT} in
- "${test_prefix}"|"${test_prefix}/"*|\
- "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
- '${prefix}'|'${prefix}/'*|\
- '${exec_prefix}'|'${exec_prefix}/'*)
- target_sysroot_reloc=1
- ;;
- esac
-], [
- TARGET_SYSTEM_ROOT=
- TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
-])
-TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
+ AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
+ [search for usr/lib et al within DIR]),
+ [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
+AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
+ [search for usr/lib et al within DIR])
AC_SUBST(TARGET_SYSTEM_ROOT)
-AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
[automatically load a system-wide gdbinit file],
[])
-AC_ARG_ENABLE(werror,
- AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
- [case "${enableval}" in
- yes | y) ERROR_ON_WARNING="yes" ;;
- no | n) ERROR_ON_WARNING="no" ;;
- *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
- esac])
-
-# Enable -Werror by default when using gcc
-if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
- ERROR_ON_WARNING=yes
-fi
-
-WERROR_CFLAGS=""
-if test "${ERROR_ON_WARNING}" = yes ; then
- WERROR_CFLAGS="-Werror"
-fi
-
-# The entries after -Wno-pointer-sign are disabled warnings which may
-# be enabled in the future, which can not currently be used to build
-# GDB.
-# NOTE: If you change this list, remember to update
-# gdb/doc/gdbint.texinfo.
-build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
--Wformat-nonliteral -Wno-pointer-sign \
--Wno-unused -Wunused-value -Wunused-function \
--Wno-switch -Wno-char-subscripts"
-
-# Enable -Wno-format by default when using gcc on mingw since many
-# GCC versions complain about %I64.
-case "${host}" in
- *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
-esac
-
-AC_ARG_ENABLE(build-warnings,
-AS_HELP_STRING([--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 = $build_warnings" 6>&1
-fi])dnl
-AC_ARG_ENABLE(gdb-build-warnings,
-AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
-[case "${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} ${WERROR_CFLAGS})
-fi
-AC_SUBST(WARN_CFLAGS)
-AC_SUBST(WERROR_CFLAGS)
+AM_GDB_WARNINGS
+AM_GDB_UBSAN
# In the Cygwin environment, we need some additional flags.
AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
-[AC_EGREP_CPP(lose, [
+[AC_EGREP_CPP(^lose$, [
#if defined (__CYGWIN__) || defined (__CYGWIN32__)
lose
#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
*go32* ) SER_HARDWIRE=ser-go32.o ;;
*djgpp* ) SER_HARDWIRE=ser-go32.o ;;
*mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
+ *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
esac
AC_SUBST(SER_HARDWIRE)
case ${host} in
*mingw32*)
AC_DEFINE(USE_WIN32API, 1,
- [Define if we should use the Windows API, instead of the
- POSIX API. On Windows, we use the Windows API when
- building for MinGW, but the POSIX API when building
+ [Define if we should use the Windows API, instead of the
+ POSIX API. On Windows, we use the Windows API when
+ building for MinGW, but the POSIX API when building
for Cygwin.])
WIN32LIBS="$WIN32LIBS -lws2_32"
;;
-esac
+esac
AC_SUBST(WIN32LIBS)
# Add ELF support to GDB, but only if BFD includes ELF support.
-OLD_CFLAGS=$CFLAGS
-OLD_LDFLAGS=$LDFLAGS
-OLD_LIBS=$LIBS
-CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
-LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
-intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
-LIBS="-lbfd -liberty $intl $LIBS"
-AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
-[AC_TRY_LINK(
-[#include <stdlib.h>
-#include "bfd.h"
-#include "elf-bfd.h"
-],
-[bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
-gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
+GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
+ [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
if test $gdb_cv_var_elf = yes; then
- CONFIG_OBS="$CONFIG_OBS elfread.o"
+ CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
AC_DEFINE(HAVE_ELF, 1,
[Define if ELF support should be included.])
+ # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
+ if test "$plugins" = "yes"; then
+ AC_SEARCH_LIBS(dlopen, dl)
+ fi
+fi
+
+# Add macho support to GDB, but only if BFD includes it.
+GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
+ [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
+if test $gdb_cv_var_macho = yes; then
+ CONFIG_OBS="$CONFIG_OBS machoread.o"
fi
-CFLAGS=$OLD_CFLAGS
-LDFLAGS=$OLD_LDFLAGS
-LIBS=$OLD_LIBS
# Add any host-specific objects to GDB.
CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
+# If building on ELF, look for lzma support for embedded compressed debug info.
+if test $gdb_cv_var_elf = yes; then
+ AC_ARG_WITH(lzma,
+ AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
+ [], [with_lzma=auto])
+ AC_MSG_CHECKING([whether to use lzma])
+ AC_MSG_RESULT([$with_lzma])
+
+ if test "${with_lzma}" != no; then
+ AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
+ [lzma_index_iter iter;
+ lzma_index_iter_init (&iter, 0);
+ lzma_mf_is_supported (LZMA_MF_HC3);])
+ if test "$HAVE_LIBLZMA" != yes; then
+ if test "$with_lzma" = yes; then
+ AC_MSG_ERROR([missing liblzma for --with-lzma])
+ fi
+ fi
+ fi
+fi
+
LIBGUI="../libgui/src/libgui.a"
GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
AC_SUBST(LIBGUI)
# If building tcl in the same src tree, private headers
# are not needed, but we need to be sure to use the right
# headers library
- TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
+ TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
fi
# Check for in-tree Tk
intree="no"
if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
- intree="yes"
+ intree="yes"
fi
# Find Tk private headers
AC_PATH_X
-# Unlike the sim directory, whether a simulator is linked is controlled by
-# presence of a gdb_sim definition in the target configure.tgt entry.
+# Unlike the sim directory, whether a simulator is linked is controlled by
+# presence of a gdb_sim definition in the target configure.tgt entry.
# This code just checks for a few cases where we'd like to ignore those
# definitions, even when they're present in the '.mt' file. These cases
# are when --disable-sim is specified, or if the simulator directory is
SIM="${gdb_sim}"
SIM_OBS="remote-sim.o"
AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
+
+ # Some tdep code should only be compiled in when the ppc sim is
+ # built. PR sim/13418.
+ case $target in
+ powerpc*-*-*)
+ AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
+ ;;
+ esac
fi
fi
AC_SUBST(SIM)
fi
AC_SUBST(target_subdir)
-frags=
+# Import nat definitions.
+nat_makefile_frag=/dev/null
if test "${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
+ . ${srcdir}/configure.nat
+ nativefile=$NAT_FILE
fi
-AC_SUBST_FILE(host_makefile_frag)
-AC_SUBST(frags)
-
-changequote(,)dnl
-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
-' ${host_makefile_frag}`
-fi
-changequote([,])
+AC_SUBST(NAT_FILE)
+AC_SUBST(NATDEPFILES)
+AC_SUBST(NAT_CDEPS)
+AC_SUBST(LOADLIBES)
+AC_SUBST(MH_CFLAGS)
+AC_SUBST(XM_CLIBS)
+AC_SUBST(NAT_GENERATED_FILES)
+AC_SUBST(HAVE_NATIVE_GCORE_HOST)
+AC_SUBST_FILE(nat_makefile_frag)
if test x"${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,
-AS_HELP_STRING([--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
+AC_ARG_ENABLE(gdbserver,
+AS_HELP_STRING([--enable-gdbserver],
+ [automatically build gdbserver (yes/no/auto, default is auto)]),
+[case "${enableval}" in
+ yes| no|auto) ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
+esac],[enable_gdbserver=auto])
-# We only build gdbserver automatically in a native configuration.
-if test "$gdb_native" = "yes"; then
+# We only build gdbserver automatically in a native configuration, and
+# only if the user did not explicitly disable its build.
+if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
AC_MSG_CHECKING(whether gdbserver is supported on this host)
if test "x$build_gdbserver" = xyes; then
AC_MSG_RESULT(yes)
AC_CONFIG_SUBDIRS(gdbserver)
+ gdbserver_build_enabled=yes
else
AC_MSG_RESULT(no)
fi
fi
-# If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
-# to an empty version.
+# If the user explicitly request the gdbserver to be built, verify that
+# we were in fact able to enable it.
+if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
+ AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
+fi
+
+# Check for babeltrace and babeltrace-ctf
+AC_ARG_WITH(babeltrace,
+ AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
+ [], [with_babeltrace=auto])
+AC_MSG_CHECKING([whether to use babeltrace])
+AC_MSG_RESULT([$with_babeltrace])
+
+if test "x$with_babeltrace" = "xno"; then
+ AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
+else
+ # Append -Werror to CFLAGS so that configure can catch the warning
+ # "assignment from incompatible pointer type", which is related to
+ # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
+ # in GDB, while babeltrace 1.0.3 is broken.
+ # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
+ # safe to save and restore CFLAGS here.
+ saved_CFLAGS=$CFLAGS
+ CFLAGS="$CFLAGS -Werror"
+ AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
+ [#include <babeltrace/babeltrace.h>
+ #include <babeltrace/ctf/events.h>
+ #include <babeltrace/ctf/iterator.h>],
+ [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
+ struct bt_ctf_event *event = NULL;
+ const struct bt_definition *scope;
+
+ pos->type = BT_SEEK_BEGIN;
+ bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
+ scope = bt_ctf_get_top_level_scope (event,
+ BT_STREAM_EVENT_HEADER);
+ bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
+ ])
+ CFLAGS=$saved_CFLAGS
+
+ if test "$HAVE_LIBBABELTRACE" != yes; then
+ if test "$with_babeltrace" = yes; then
+ AC_MSG_ERROR([babeltrace is missing or unusable])
+ else
+ AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
+ fi
+ fi
+fi
+
+# If nativefile (NAT_FILE) is not set in configure.nat, we link to an
+# empty version.
files=
links=
fi
AC_SUBST(GDB_NM_FILE)
+dnl Add dependency for xsltproc if building with maintainer-mode enabled.
+AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
+if test "x$USE_MAINTAINER_MODE" = xyes; then
+ if test "${XSLTPROC}" = missing; then
+ AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
+ fi
+fi
+AC_SUBST(XSLTPROC)
+
AC_LINK_FILES($files, $links)
dnl Check for exe extension set on certain hosts (e.g. Win32)
AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
[Define to be a string naming the default host character set.])
-AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
+GDB_AC_SELFTEST([
+ CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS) common/selftest.o selftest-arch.o"
+ CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS) common/selftest.c selftest-arch.c"
+])
+
+GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
+GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
+AC_CONFIG_FILES([gcore], [chmod +x gcore])
+AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile],
[
case x$CONFIG_HEADERS in
xconfig.h:config.in)
esac
])
-exit 0
+AC_OUTPUT
projects / deliverable / binutils-gdb.git / blobdiff