X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fconfigure.ac;h=3f81ff2b120ad6d422e2c5dfe932095d7c560baf;hb=727fc41e077139570ea8b8ddfd6c546b2a55627c;hp=4a1b21640c9d2bd6ecc9f2c307f237f5c4d4630e;hpb=c21a4eeebfcc4e80ecb2781e4bd07fc52700373f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/configure.ac b/gdb/configure.ac index 4a1b21640c..3f81ff2b12 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -1,22 +1,22 @@ dnl Autoconf configure script for GDB, the GNU debugger. -dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 +dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, +dnl 2005, 2006, 2007, 2008 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 the Free Software Foundation; either version 3 of the License, or dnl (at your option) any later version. -dnl +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 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 along with this program. If not, see . dnl Process this file with autoconf to produce a configure script. @@ -29,11 +29,27 @@ AC_PROG_CC AC_GNU_SOURCE AC_AIX AC_ISC_POSIX +gl_EARLY AM_PROG_CC_STDC -AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) +AC_CONFIG_AUX_DIR(..) AC_CANONICAL_SYSTEM +# Dependency checking. +ZW_CREATE_DEPDIR +ZW_PROG_COMPILER_DEPENDENCIES([CC]) + +# Check for the 'make' the user wants to use. +AC_CHECK_PROGS(MAKE, make) +MAKE_IS_GNU= +case "`$MAKE --version 2>&1 | sed 1q`" in + *GNU*) + MAKE_IS_GNU=yes + ;; +esac +AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes) +AC_PROG_MAKE_SET + dnl List of object files and targets accumulated by configure. CONFIG_OBS= @@ -46,59 +62,36 @@ CONFIG_CLEAN= CONFIG_INSTALL= CONFIG_UNINSTALL= -dnl Set up for gettext. PACKAGE is used when we call bindtextdomain. - -CY_GNU_GETTEXT +dnl Set up for gettext. +ZW_GNU_GETTEXT_SISTER_DIR localedir='${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($LINGUAS) - +if test x"$USE_NLS" = xyes; then CONFIG_ALL="$CONFIG_ALL all-po" CONFIG_CLEAN="$CONFIG_CLEAN clean-po" CONFIG_INSTALL="$CONFIG_INSTALL install-po" CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po" fi +gl_INIT + +# For Makefile dependencies. +GNULIB_STDINT_H= +if test x"$STDINT_H" != x; then + GNULIB_STDINT_H=gnulib/$STDINT_H +fi +AC_SUBST(GNULIB_STDINT_H) + PACKAGE=gdb AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ]) AC_SUBST(PACKAGE) +# GDB does not use automake, but gnulib does. This line lets us +# generate its Makefile.in. +AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define]) + debugdir=${libdir}/debug AC_ARG_WITH(separate-debug-dir, @@ -109,11 +102,123 @@ AC_DEFINE_DIR(DEBUGDIR, debugdir, [Global directory for separate debug files. ]) #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"), +if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then + if test "x$prefix" = xNONE; then + test_prefix=/usr/local + else + test_prefix=$prefix + fi +else + test_prefix=$exec_prefix +fi +case ${debugdir} in +"${test_prefix}"|"${test_prefix}/"*|\ +'${exec_prefix}'|'${exec_prefix}/'*) + AC_DEFINE(DEBUGDIR_RELOCATABLE, 1, [Define if the debug directory should be relocated when GDB is moved.]) + ;; +esac + AC_CONFIG_SUBDIRS(doc testsuite) +# Check whether to support alternative target configurations +AC_ARG_ENABLE(targets, +[ --enable-targets alternative target configurations], +[case "${enableval}" in + yes | "") AC_ERROR(enable-targets option must specify target names or 'all') + ;; + no) enable_targets= ;; + *) enable_targets=$enableval ;; +esac]) + +# Check whether to enable 64-bit support on 32-bit hosts +AC_ARG_ENABLE(64-bit-bfd, +[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)], +[case "${enableval}" in + yes) want64=true ;; + no) want64=false ;; + *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;; +esac],[want64=false])dnl + +# Provide defaults for some variables set by the per-host and per-target +# configuration. +gdb_host_obs=posix-hdep.o + +if test "${target}" = "${host}"; then + gdb_native=yes +else + gdb_native=no +fi + . $srcdir/configure.host -. $srcdir/configure.tgt +# Accumulate some settings from configure.tgt over all enabled targets + +TARGET_OBS= +all_targets= + +for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` +do + if test "$targ_alias" = "all"; then + all_targets=true + else + # Canonicalize the secondary target names. + result=`$ac_config_sub $targ_alias 2>/dev/null` + if test -n "$result"; then + targ=$result + else + targ=$targ_alias + fi + + . ${srcdir}/configure.tgt + + # Target-specific object files + for i in ${gdb_target_obs}; do + case " $TARGET_OBS " in + *" ${i} "*) ;; + *) + TARGET_OBS="$TARGET_OBS ${i}" + ;; + esac + done + + # Check whether this target needs 64-bit CORE_ADDR + if test x${want64} = xfalse; then + . ${srcdir}/../bfd/config.bfd + fi + fi +done + +if test x${all_targets} = xtrue; then + + # We want all 64-bit targets if we either: + # - run on a 64-bit host or + # - already require 64-bit support for some other target or + # - the --enable-64-bit-bfd option was supplied + # Otherwise we only support all 32-bit targets. + # + # NOTE: This test must be in sync with the corresponding + # tests in BFD! + + if test x${want64} = xfalse; then + AC_CHECK_SIZEOF(long) + if test "x${ac_cv_sizeof_long}" = "x8"; then + want64=true + fi + fi + if test x${want64} = xtrue; then + TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)' + else + TARGET_OBS='$(ALL_TARGET_OBS)' + fi +fi + +AC_SUBST(TARGET_OBS) + +# For other settings, only the main target counts. +gdb_sim= +gdb_osabi= +build_gdbserver= +targ=$target; . ${srcdir}/configure.tgt # Fetch the default architecture and default target vector from BFD. targ=$target; . $srcdir/../bfd/config.bfd @@ -131,8 +236,6 @@ if test "x$targ_defvec" != x; then [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. @@ -179,11 +282,11 @@ fi AC_ARG_ENABLE(tui, [ --enable-tui enable full-screen terminal user interface (TUI)], [case $enableval in - yes | no) + yes | no | auto) ;; *) AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;; - esac],enable_tui=yes) + esac],enable_tui=auto) # Enable gdbtk. AC_ARG_ENABLE(gdbtk, @@ -214,17 +317,15 @@ AC_ARG_WITH(libunwind, no) enable_libunwind=no ;; *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;; esac],[ - AC_CHECK_HEADERS(libunwind.h) - AC_CHECK_HEADERS(libunwind-ia64.h) + AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h) if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then enable_libunwind=yes; fi ]) if test x"$enable_libunwind" = xyes; then - AC_CHECK_HEADERS(libunwind.h) - AC_CHECK_HEADERS(libunwind-ia64.h) - AC_DEFINE(HAVE_LIBUNWIND, 1) + 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" @@ -252,6 +353,16 @@ if test $ac_cv_var__etext = yes; then AC_DEFINE(HAVE__ETEXT, 1, [Define to 1 if your system has the _etext variable. ]) fi +AC_CACHE_CHECK([for etext], ac_cv_var_etext, +[AC_TRY_LINK( +[#include +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 $ac_cv_func__mcleanup = no; then AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup) @@ -271,6 +382,11 @@ if test "$enable_profiling" = yes ; then CFLAGS="$OLD_CFLAGS" fi +ACX_PKGVERSION([GDB]) +ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/]) +AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description]) +AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address]) + # --------------------- # # Checks for programs. # # --------------------- # @@ -308,16 +424,72 @@ 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. +# Link in zlib if we can. This allows us to read compressed debug sections. +AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)]) + +# On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c). +AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl]) + +# 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. # -# 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]) +# 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. + +case $host_os in + alpha*-*-osf* ) + if "$enable_tui" = "yes"; then + AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host]) + fi + if "$enable_tui" = "auto"; then + enable_tui=no + fi + ;; +esac + +# Check whether we should enable the TUI, but only do so if we really +# can. +if test x"$enable_tui" != xno; then + if test -d $srcdir/tui; then + # For the TUI, we need enhanced curses functionality. + # + # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied + # curses library because the latter might not provide all the + # functionality we need. However, this leads to problems on systems + # where the linker searches /usr/local/lib, but the compiler doesn't + # search /usr/local/include, if ncurses is installed in /usr/local. A + # default installation of ncurses on alpha*-dec-osf* will lead to such + # a situation. + AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses]) + + if test "$ac_cv_search_waddstr" != no; then + CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)" + CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)" + CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)" + ENABLE_CFLAGS="$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]) + else + AC_MSG_WARN([no enhanced curses library found; disabling TUI]) + fi + fi + fi +fi # Since GDB uses Readline, we need termcap functionality. In many # cases this will be provided by the curses library, but some systems @@ -332,6 +504,10 @@ case $host_os in go32* | *djgpp*) ac_cv_search_tgetent="none required" ;; + *mingw32*) + ac_cv_search_tgetent="none required" + CONFIG_OBS="$CONFIG_OBS windows-termcap.o" + ;; esac # These are the libraries checked by Readline. @@ -341,6 +517,168 @@ if test "$ac_cv_search_tgetent" = no; then AC_MSG_ERROR([no termcap library found]) fi +AC_ARG_WITH([system-readline], + [AS_HELP_STRING([--with-system-readline], + [use installed readline library])]) + +if test "$with_system_readline" = yes; then + READLINE=-lreadline + READLINE_DEPS= + READLINE_CFLAGS= +else + READLINE='$(READLINE_DIR)/libreadline.a' + READLINE_DEPS='$(READLINE)' + READLINE_CFLAGS='-I$(READLINE_SRC)/..' +fi +AC_SUBST(READLINE) +AC_SUBST(READLINE_DEPS) +AC_SUBST(READLINE_CFLAGS) + +AC_ARG_WITH(expat, + AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]), + [], [with_expat=auto]) +AC_MSG_CHECKING([whether to use expat]) +AC_MSG_RESULT([$with_expat]) + +if test "${with_expat}" = no; then + AC_MSG_WARN([expat support disabled; some features may be unavailable.]) + HAVE_LIBEXPAT=no +else + AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"], + [XML_Parser p = XML_ParserCreate (0);]) + if test "$HAVE_LIBEXPAT" != yes; then + if test "$with_expat" = yes; then + AC_MSG_ERROR([expat is missing or unusable]) + else + AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.]) + fi + else + save_LIBS=$LIBS + LIBS="$LIBS $LIBEXPAT" + AC_CHECK_FUNCS(XML_StopParser) + LIBS=$save_LIBS + fi +fi + +dnl Utility to simplify finding libpython. +AC_DEFUN([AC_TRY_LIBPYTHON], +[ + version=$1 + define([have_libpython_var],$2) + define([VERSION],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) + [HAVE_LIB]VERSION=no + AC_MSG_CHECKING([for ${version}]) + save_LIBS=$LIBS + LIBS="$LIBS -l${version}" + AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]], + [[Py_Initialize ();]]), + [[HAVE_LIB]VERSION=yes + have_libpython_var=yes], + [LIBS=$save_LIBS]) + AC_MSG_RESULT([$[HAVE_LIB]VERSION]) +]) + +AC_ARG_WITH(python, + AS_HELP_STRING([--with-python], [include python support (auto/yes/no/)]), + [], [with_python=auto]) +AC_MSG_CHECKING([whether to use python]) +AC_MSG_RESULT([$with_python]) + +if test "${with_python}" = no; then + AC_MSG_WARN([python support disabled; some features may be unavailable.]) + have_libpython=no +else + case "${with_python}" in + yes | auto) + # Leave as empty, use defaults. + python_includes= + python_libs= + ;; + /*) + python_includes="-I${with_python}/include" + python_libs="-L${with_python}/lib" + ;; + *) + AC_ERROR(invalid value for --with-python) + ;; + esac + + save_CPPFLAGS=$CPPFLAGS + CPPFLAGS="$CPPFLAGS ${python_includes}" + save_LIBS=$LIBS + LIBS="$LIBS ${python_libs}" + have_libpython=no + if test "${have_libpython}" = no; then + AC_TRY_LIBPYTHON(python2.6, have_libpython) + if test "${HAVE_LIBPYTHON2_6}" = yes; then + AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.]) + fi + fi + if test ${have_libpython} = no; then + AC_TRY_LIBPYTHON(python2.5, have_libpython) + if test "${HAVE_LIBPYTHON2_5}" = yes; then + AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.]) + fi + fi + if test ${have_libpython} = no; then + AC_TRY_LIBPYTHON(python2.4, have_libpython) + if test "${HAVE_LIBPYTHON2_4}" = yes; then + AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.]) + fi + fi + if test ${have_libpython} = no; then + case "${with_python}" in + yes) + AC_MSG_ERROR([python is missing or unusable]) + ;; + auto) + AC_MSG_WARN([python is missing or unusable; some features may be unavailable.]) + ;; + *) + AC_MSG_ERROR([no usable python found at ${with_python}]) + ;; + esac + CPPFLAGS=$save_CPPFLAGS + LIBS=$save_LIBS + fi +fi + +if test "${have_libpython}" = yes; then + AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.]) + CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)" + CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)" + CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)" + ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)" + + # Flags needed to compile Python code (taken from python-config --cflags). + # We cannot call python-config directly because it will output whatever was + # used when compiling the Python interpreter itself, including flags which + # would make the python-related objects be compiled differently from the + # rest of GDB (e.g., -O2 and -fPIC). + if test "${GCC}" = yes; then + tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv" + fi + + if test "x${tentative_python_cflags}" != x; then + AC_MSG_CHECKING(compiler flags for python code) + for flag in ${tentative_python_cflags}; do + # Check that the compiler accepts it + saved_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $flag" + AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",) + CFLAGS="$saved_CFLAGS" + done + AC_MSG_RESULT(${PYTHON_CFLAGS}) + fi +else + # Even if Python support is not compiled in, we need to have these files + # included in order to recognize the GDB command "python". + CONFIG_OBS="$CONFIG_OBS python.o python-value.o" + CONFIG_SRCS="$CONFIG_SRCS python/python.c python/python-value.c" +fi +AC_SUBST(PYTHON_CFLAGS) + # ------------------------- # # Checks for header files. # # ------------------------- # @@ -348,7 +686,17 @@ fi AC_HEADER_DIRENT AC_HEADER_STAT AC_HEADER_STDC -AC_CHECK_HEADERS(nlist.h) +# 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 \ + 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 @@ -357,37 +705,16 @@ AC_CHECK_HEADERS(link.h, [], [], # include #endif ]) -AC_CHECK_HEADERS(machine/reg.h) -AC_CHECK_HEADERS(poll.h sys/poll.h) -AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h) -AC_CHECK_HEADERS(stddef.h) -AC_CHECK_HEADERS(stdlib.h) -AC_CHECK_HEADERS(stdint.h) -AC_CHECK_HEADERS(string.h memory.h strings.h) -AC_CHECK_HEADERS(sys/fault.h) -AC_CHECK_HEADERS(sys/file.h) -AC_CHECK_HEADERS(sys/filio.h) -AC_CHECK_HEADERS(sys/ioctl.h) -AC_CHECK_HEADERS(sys/param.h) AC_CHECK_HEADERS(sys/proc.h, [], [], [#if HAVE_SYS_PARAM_H # include #endif ]) -AC_CHECK_HEADERS(sys/procfs.h) -AC_CHECK_HEADERS(sys/ptrace.h ptrace.h) -AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h) -AC_CHECK_HEADERS(sys/select.h) -AC_CHECK_HEADERS(sys/syscall.h) -AC_CHECK_HEADERS(sys/types.h) AC_CHECK_HEADERS(sys/user.h, [], [], [#if HAVE_SYS_PARAM_H # include #endif ]) -AC_CHECK_HEADERS(sys/wait.h wait.h) -AC_CHECK_HEADERS(termios.h termio.h sgtty.h) -AC_CHECK_HEADERS(unistd.h) # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash # between and that would cause AC_CHECK_HEADERS to @@ -396,41 +723,40 @@ 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 and on - Solaris 2.[789] when using GCC. ]]) + [Define to 1 to avoid a clash between and on + Solaris 2.[789] when using GCC. ]) fi ;; esac -AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h) -AC_CHECK_HEADERS(ncurses/term.h) +AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h) AC_CHECK_HEADERS(term.h, [], [], [#if HAVE_CURSES_H # include #endif ]) -# FIXME: kettenis/20030102: In most cases we include these -# unconditionally, so what's the point in checking these? -AC_CHECK_HEADERS(ctype.h time.h) - # ------------------------- # # Checks for declarations. # # ------------------------- # -AC_CHECK_DECLS([free, malloc, realloc]) -AC_CHECK_DECLS([strerror, strstr]) -AC_CHECK_DECLS(getopt) +AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt, + snprintf, vsnprintf]) +AM_LC_MESSAGES # ----------------------- # # Checks for structures. # # ----------------------- # -AC_CHECK_MEMBERS([struct stat.st_blocks]) +AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) # ------------------ # # Checks for types. # # ------------------ # AC_TYPE_SIGNAL +AC_CHECK_TYPES(socklen_t, [], [], +[#include +#include +]) # ------------------------------------- # # Checks for compiler characteristics. # @@ -438,6 +764,7 @@ AC_TYPE_SIGNAL AC_C_CONST AC_C_INLINE +AC_C_BIGENDIAN # ------------------------------ # # Checks for library functions. # @@ -446,16 +773,10 @@ AC_C_INLINE 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) +AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \ + getgid poll pread64 sbrk setpgid setpgrp setsid \ + sigaction sigprocmask sigsetmask socketpair syscall \ + ttrace wborder setlocale]) # Check the return and argument types of ptrace. No canned test for # this, so roll our own. @@ -475,19 +796,26 @@ AC_CHECK_DECLS(ptrace, [], [ : ${gdb_cv_func_ptrace_ret='int'} : ${gdb_cv_func_ptrace_args='int,int,long,long'} ], $gdb_ptrace_headers) -# Check return type. +# Check return type. Varargs (used on GNU/Linux) conflict with the +# empty argument list, so check for that explicitly. AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret, AC_TRY_COMPILE($gdb_ptrace_headers, - [extern int ptrace ();], - gdb_cv_func_ptrace_ret='int', - gdb_cv_func_ptrace_ret='long')) + [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'; 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 $gdb_cv_func_ptrace_ret @@ -508,7 +836,7 @@ gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5"; 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 @@ -621,7 +949,8 @@ AC_CACHE_VAL(gdb_cv_have_ptrace_getregs, [gdb_cv_have_ptrace_getregs=no])]) AC_MSG_RESULT($gdb_cv_have_ptrace_getregs) if test $gdb_cv_have_ptrace_getregs = yes; then - AC_DEFINE(HAVE_PTRACE_GETREGS) + AC_DEFINE(HAVE_PTRACE_GETREGS, 1, + [Define if sys/ptrace.h defines the PTRACE_GETREGS request.]) fi # See if provides the PTRACE_GETFPXREGS request. @@ -633,7 +962,8 @@ AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs, [gdb_cv_have_ptrace_getfpxregs=no])]) AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs) if test $gdb_cv_have_ptrace_getfpxregs = yes; then - AC_DEFINE(HAVE_PTRACE_GETFPXREGS) + AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1, + [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.]) fi # See if provides the PT_GETDBREGS request. @@ -646,7 +976,8 @@ AC_CACHE_VAL(gdb_cv_have_pt_getdbregs, [gdb_cv_have_pt_getdbregs=no])]) AC_MSG_RESULT($gdb_cv_have_pt_getdbregs) if test $gdb_cv_have_pt_getdbregs = yes; then - AC_DEFINE(HAVE_PT_GETDBREGS) + AC_DEFINE(HAVE_PT_GETDBREGS, 1, + [Define if sys/ptrace.h defines the PT_GETDBREGS request.]) fi # See if provides the PT_GETXMMREGS request. @@ -659,40 +990,29 @@ AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs, [gdb_cv_have_pt_getxmmregs=no])]) AC_MSG_RESULT($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 ], - [uintptr_t foo = 0;], - gdb_cv_have_uintptr_t=yes, - gdb_cv_have_uintptr_t=no)]) -if test $gdb_cv_have_uintptr_t = yes; then - AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if provides the uintptr_t type.]) + AC_DEFINE(HAVE_PT_GETXMMREGS, 1, + [Define if sys/ptrace.h defines the PT_GETXMMREGS request.]) fi -# If we are configured native on GNU/Linux, work around problems with -# sys/procfs.h -# Also detect which type of /proc is in use, such as for Unixware or Solaris. +# Detect which type of /proc is in use, such as for Unixware or Solaris. if test "${target}" = "${host}"; then case "${host}" in - i[[3456]]86-*-linux*) - AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2) - AC_DEFINE(sys_quotactl) - ;; *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* ) - AC_DEFINE(NEW_PROC_API) + 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) + *-*-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 needing _KMEMUSER problem on IRIX 5. - AC_DEFINE([_KMEMUSER], 1) + AC_DEFINE([_KMEMUSER], 1, + [Define to 1 so gets a definition of anon_hdl. Works + around a problem on IRIX 5.]) ;; esac fi @@ -736,7 +1056,8 @@ if test "$ac_cv_header_sys_procfs_h" = yes; then gdb_cv_prfpregset_t_broken=yes)]) AC_MSG_RESULT($gdb_cv_prfpregset_t_broken) if test $gdb_cv_prfpregset_t_broken = yes; then - AC_DEFINE(PRFPREGSET_T_BROKEN) + AC_DEFINE(PRFPREGSET_T_BROKEN, 1, + [Define if the prfpregset_t type is broken.]) fi fi @@ -754,7 +1075,8 @@ if test "$ac_cv_header_sys_procfs_h" = yes; then 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) + AC_DEFINE(HAVE_PROCFS_PIOCSET, 1, + [Define if ioctl argument PIOCSET is available.]) fi fi @@ -772,7 +1094,10 @@ if test ${host} = ${target} ; then gdb_cv_have_struct_link_map_with_l_members=no)]) AC_MSG_RESULT($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) + AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1, + [Define if 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 @@ -787,7 +1112,9 @@ if test ${host} = ${target} ; then gdb_cv_have_struct_link_map_with_lm_members=no)]) AC_MSG_RESULT($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) + AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1, + [Define if 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 @@ -805,7 +1132,9 @@ if test ${host} = ${target} ; then gdb_cv_have_struct_so_map_with_som_members=no)]) AC_MSG_RESULT($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) + AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1, + [Define if 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 @@ -819,8 +1148,10 @@ if test ${host} = ${target} ; then gdb_cv_have_struct_link_map32=no)]) AC_MSG_RESULT($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) + AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1, + [Define if has struct link_map32]) + AC_DEFINE(_SYSCALL32, 1, + [Define if has link_map32 (solaris sparc-64 target)]) fi fi @@ -858,6 +1189,25 @@ if test $gdb_cv_printf_has_long_long = yes; then [Define to 1 if the "%ll" format works to print long longs.]) fi +# Check if the compiler and runtime support printing decfloats. + +AC_CACHE_CHECK([for decfloat support in printf], + gdb_cv_printf_has_decfloat, + [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], +[[char buf[64]; + _Decimal32 d32 = 1.2345df; + _Decimal64 d64 = 1.2345dd; + _Decimal128 d128 = 1.2345dl; + sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128); + return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])], + gdb_cv_printf_has_decfloat=yes, + gdb_cv_printf_has_decfloat=no, + gdb_cv_printf_has_decfloat=no)]) +if test $gdb_cv_printf_has_decfloat = yes; then + AC_DEFINE(PRINTF_HAS_DECFLOAT, 1, + [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.]) +fi + # Check if the compiler supports the `long double' type. We can't use # AC_C_LONG_DOUBLE because that one does additional checks on the # constants defined in that fail on some systems, @@ -939,7 +1289,8 @@ if test ${build} = ${host} -a ${host} = ${target} ; then if test -f /usr/include/dce/cma_config.h ; then if test "$GCC" = "yes" ; then AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT) + 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 @@ -957,7 +1308,8 @@ if test ${build} = ${host} -a ${host} = ${target} ; then AC_MSG_CHECKING(for Solaris thread debugging library) if test -f /usr/lib/libthread_db.so.1 ; then AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_THREAD_DB_LIB) + AC_DEFINE(HAVE_THREAD_DB_LIB, 1, + [Define if using Solaris thread debugging.]) CONFIG_OBS="${CONFIG_OBS} sol-thread.o" CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c" AC_CHECK_LIB(dl, dlopen) @@ -987,7 +1339,9 @@ if test ${build} = ${host} -a ${host} = ${target} ; then ]) AC_MSG_RESULT($gdb_cv_proc_service_is_old) if test $gdb_cv_proc_service_is_old = yes; then - AC_DEFINE(PROC_SERVICE_IS_OLD) + AC_DEFINE(PROC_SERVICE_IS_OLD, 1, + [Define if on solaris uses int instead of + size_t, and assorted other type changes.]) fi else AC_MSG_RESULT(no) @@ -1013,7 +1367,8 @@ if test ${build} = ${host} -a ${host} = ${target} ; then AC_SUBST(CONFIG_LDFLAGS) fi -dnl See if we have a thread_db header file that has TD_NOTALLOC. +dnl See if we have a thread_db header file that has TD_NOTALLOC and +dnl other error codes. if test "x$ac_cv_header_thread_db_h" = "xyes"; then AC_CACHE_CHECK([whether has TD_NOTALLOC], gdb_cv_thread_db_h_has_td_notalloc, @@ -1024,11 +1379,37 @@ if test "x$ac_cv_header_thread_db_h" = "xyes"; then gdb_cv_thread_db_h_has_td_notalloc=no ) ) + AC_CACHE_CHECK([whether has TD_VERSION], + gdb_cv_thread_db_h_has_td_version, + AC_TRY_COMPILE( + [#include ], + [int i = TD_VERSION;], + gdb_cv_thread_db_h_has_td_version=yes, + gdb_cv_thread_db_h_has_td_version=no + ) + ) + AC_CACHE_CHECK([whether has TD_NOTLS], + gdb_cv_thread_db_h_has_td_notls, + AC_TRY_COMPILE( + [#include ], + [int i = TD_NOTLS;], + gdb_cv_thread_db_h_has_td_notls=yes, + gdb_cv_thread_db_h_has_td_notls=no + ) + ) fi if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1, [Define if has the TD_NOTALLOC error code.]) fi +if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then + AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1, + [Define if has the TD_VERSION error code.]) +fi +if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then + AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1, + [Define if has the TD_NOTLS error code.]) +fi dnl See if we have a sys/syscall header file that has __NR_tkill. if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then @@ -1044,8 +1425,30 @@ if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then 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.]) + 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 ]) +define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include ], [ +# if !HAVE_DECL_ADDR_NO_RANDOMIZE +# define ADDR_NO_RANDOMIZE 0x0040000 +# endif + /* Test the flag could be set and stays set. */ + personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE); + if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE)) + return 1])]) +AC_RUN_IFELSE([PERSONALITY_TEST], + [have_personality=true], + [have_personality=false], + [AC_LINK_IFELSE([PERSONALITY_TEST], + [have_personality=true], + [have_personality=false])]) +if $have_personality +then + AC_DEFINE([HAVE_PERSONALITY], 1, + [Define if you support the personality syscall.]) fi dnl Handle optional features that can be enabled. @@ -1060,17 +1463,20 @@ AC_ARG_WITH(sysroot, TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' - if test "x$exec_prefix" = xNONE; then - if test "x$prefix" = xNONE; then - test_prefix=/usr/local - else - test_prefix=$prefix - fi + if test "x$prefix" = xNONE; then + test_prefix=/usr/local else - test_prefix=$exec_prefix + test_prefix=$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}'|'${exec_prefix}/'*) t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" TARGET_SYSTEM_ROOT_DEFINE="$t" @@ -1083,19 +1489,67 @@ AC_ARG_WITH(sysroot, AC_SUBST(TARGET_SYSTEM_ROOT) AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) -# NOTE: Don't add -Wall or -Wunused, they both include -# -Wunused-parameter which reports bogus warnings. -# NOTE: If you add to this list, remember to update +system_gdbinit= +AC_ARG_WITH(system-gdbinit, +[ --with-system-gdbinit=file Automatically load a system-wide gdbinit file], +[system_gdbinit=${withval}]) + +AC_DEFINE_DIR(SYSTEM_GDBINIT, system_gdbinit, + [System-wide gdbinit file.]) + +if test "x$prefix" = xNONE; then + test_prefix=$ac_default_prefix +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 ${system_gdbinit} in + "${test_prefix}"|"${test_prefix}/"*|\ + "${test_exec_prefix}"|"${test_exec_prefix}/"*|\ + '${prefix}'|'${prefix}/'*|\ + '${exec_prefix}'|'${exec_prefix}/'*) + AC_DEFINE(SYSTEM_GDBINIT_RELOCATABLE, 1, + [Define if the system-wide gdbinit file should be relocated when GDB is moved.]) + ;; +esac + +AC_ARG_ENABLE(werror, + [ --enable-werror treat compile warnings as errors], + [case "${enableval}" in + yes | y) ERROR_ON_WARNING="yes" ;; + no | n) ERROR_ON_WARNING="no" ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; + esac]) + +# Enable -Werror by default when using gcc +if test "${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="-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" +build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \ +-Wformat-nonliteral -Wno-pointer-sign \ +-Wno-unused -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, [ --enable-build-warnings Enable build-time compiler warnings if gcc is used], [case "${enableval}" in @@ -1125,7 +1579,6 @@ if test x"$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$GCC" = xyes then AC_MSG_CHECKING(compiler warning flags) @@ -1141,7 +1594,7 @@ then CFLAGS="$saved_CFLAGS" esac done - AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS}) + AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS}) fi AC_SUBST(WARN_CFLAGS) AC_SUBST(WERROR_CFLAGS) @@ -1155,10 +1608,11 @@ lose 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" +SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o" case ${host} in *go32* ) SER_HARDWIRE=ser-go32.o ;; *djgpp* ) SER_HARDWIRE=ser-go32.o ;; + *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;; esac AC_SUBST(SER_HARDWIRE) @@ -1171,8 +1625,48 @@ if test x$gdb_cv_os_cygwin = xyes; then ;; esac fi + +# The ser-tcp.c module requires sockets. +case ${host} in + *mingw32*) + AC_DEFINE(USE_WIN32API, 1, + [Define if we should use the Windows API, instead of the + POSIX API. On Windows, we use the Windows API when + building for MinGW, but the POSIX API when building + for Cygwin.]) + WIN32LIBS="$WIN32LIBS -lws2_32" + ;; +esac AC_SUBST(WIN32LIBS) +# Add 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 +#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)]) +if test $gdb_cv_var_elf = yes; then + CONFIG_OBS="$CONFIG_OBS elfread.o" + AC_DEFINE(HAVE_ELF, 1, + [Define if ELF support should be included.]) +fi +CFLAGS=$OLD_CFLAGS +LDFLAGS=$OLD_LDFLAGS +LIBS=$OLD_LIBS + +# Add any host-specific objects to GDB. +CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}" + LIBGUI="../libgui/src/libgui.a" GUI_CFLAGS_X="-I${srcdir}/../libgui/src" AC_SUBST(LIBGUI) @@ -1183,7 +1677,7 @@ AC_SUBST(WIN32LIBS) AC_SUBST(WIN32LDAPP) case "${host}" in -*-*-cygwin*) +*-*-cygwin* | *-*-mingw* ) configdir="win" ;; *) @@ -1201,129 +1695,108 @@ if test "${enable_gdbtk}" = "yes"; then 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 + SC_PATH_TCLCONFIG + + # If $no_tk is nonempty, then we can't do Tk, and there is no + # point to doing Tcl. + SC_PATH_TKCONFIG + + if test -z "${no_tcl}" -a -z "${no_tk}"; then + SC_LOAD_TCLCONFIG + + # Check for in-tree tcl + here=`pwd` + cd ${srcdir}/.. + topdir=`pwd` + cd ${here} + + intree="no" + if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then + intree="yes" + fi + + # Find Tcl private headers + if test x"${intree}" = xno; then + CY_AC_TCL_PRIVATE_HEADERS + TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}" + TCL_LIBRARY="${TCL_LIB_SPEC}" + TCL_DEPS="" + else + # 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${TCL_SRC_DIR}/generic" + TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}" + TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}" + fi + AC_SUBST(TCL_INCLUDE) + AC_SUBST(TCL_LIBRARY) + AC_SUBST(TCL_DEPS) + + SC_LOAD_TKCONFIG + + # Check for in-tree Tk + intree="no" + if test "${TK_SRC_DIR}" = "${topdir}/tk"; then + intree="yes" + fi + + # Find Tk private headers + if test x"${intree}" = xno; then + CY_AC_TK_PRIVATE_HEADERS + TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}" + TK_LIBRARY=${TK_LIB_SPEC} + TK_DEPS="" + else + TK_INCLUDE="-I${TK_SRC_DIR}/generic" + TK_LIBRARY="${TK_BUILD_LIB_SPEC}" + TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}" + fi + AC_SUBST(TK_INCLUDE) + AC_SUBST(TK_LIBRARY) + AC_SUBST(TK_DEPS) + AC_SUBST(TK_XINCLUDES) + + ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)" + + # Include some libraries that Tcl and Tk want. + TCL_LIBS='$(LIBGUI) $(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="${CONFIG_OBS} gdbres.o" fi - fi - AC_CONFIG_SUBDIRS(gdbtk) + AC_CONFIG_SUBDIRS(gdbtk) + fi fi AC_SUBST(X_CFLAGS) AC_SUBST(X_LDFLAGS) AC_SUBST(X_LIBS) -AC_SUBST(TCL_DEPS) -AC_SUBST(TK_DEPS) -AC_SUBST(ITCLLIB) -AC_SUBST(ITCL_DEPS) -AC_SUBST(ITKLIB) -AC_SUBST(ITK_DEPS) AC_SUBST(GDBTKLIBS) AC_SUBST(GDBTK_CFLAGS) AC_SUBST(GDBTK_SRC_DIR) AC_PATH_X -# Check whether we should enable the TUI, but only do so if we really -# can. -if test x"$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="${CONFIG_UNINSTALL} uninstall-tui" - else - AC_MSG_WARN([no enhanced curses library found; disabling TUI]) - fi - fi -fi - # Unlike the sim directory, whether a simulator is linked is controlled by -# presence of a SIM= and a SIM_OBS= definition in the target '.mt' file. +# presence of a gdb_sim definition in the target configure.tgt entry. # This code just checks for a few cases where we'd like to ignore those # definitions, even when they're present in the '.mt' file. These cases # are when --disable-sim is specified, or if the simulator directory is @@ -1344,16 +1817,17 @@ if test ! -d "${srcdir}/../sim"; then ignore_sim=true fi -if test "${ignore_sim}" = "true"; then - IGNORE_SIM="SIM=" - IGNORE_SIM_OBS="SIM_OBS=" -else - IGNORE_SIM="" - IGNORE_SIM_OBS="" - AC_DEFINE(WITH_SIM) +SIM= +SIM_OBS= +if test "${ignore_sim}" = "false"; then + if test x"${gdb_sim}" != x ; then + SIM="${gdb_sim}" + SIM_OBS="remote-sim.o" + AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.]) + fi fi -AC_SUBST(IGNORE_SIM) -AC_SUBST(IGNORE_SIM_OBS) +AC_SUBST(SIM) +AC_SUBST(SIM_OBS) AC_SUBST(ENABLE_CFLAGS) AC_SUBST(PROFILE_CFLAGS) @@ -1379,7 +1853,7 @@ fi AC_SUBST(target_subdir) frags= -if test "${target}" = "${host}"; then +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 ${host}") @@ -1389,26 +1863,11 @@ else host_makefile_frag=/dev/null fi -target_makefile_frag=${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}" = "${host}"; then +if test "${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 ' @@ -1434,8 +1893,8 @@ 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$host"; then +# We only build gdbserver automatically in a native configuration. +if test "$gdb_native" = "yes"; then AC_MSG_CHECKING(whether gdbserver is supported on this host) if test "x$build_gdbserver" = xyes; then AC_MSG_RESULT(yes) @@ -1445,52 +1904,12 @@ if test "x$target" = "x$host"; then fi fi -# We build rdi-share on ARM-based targets, as instructed by configure.tgt. -if test "x$build_rdi_share" = xyes; then - AC_CONFIG_SUBDIRS(rdi-share) -fi - -# We configure the nlm subdirectory on netware targets, as instructed -# by configure.tgt. -if test "x$build_nlm" = xyes; then - AC_CONFIG_SUBDIRS(nlm) -fi - -# If hostfile (XM_FILE) and/or targetfile (DEPRECATED_TM_FILE) and/or -# nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link +# If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link # to an empty version. files= links= -rm -f xm.h -xm_h="" -if test "${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 @@ -1501,7 +1920,7 @@ if test "${nativefile}" != ""; then esac files="${files} ${GDB_NM_FILE}" links="${links} nm.h" - AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}") + AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile]) fi AC_SUBST(nm_h) @@ -1522,16 +1941,14 @@ AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1", AM_ICONV -AC_OUTPUT(Makefile .gdbinit:gdbinit.in, +AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile, [ 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/'"${gdb_host_cpu}"'/,' Makefile.tmp +sed -e '/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' Makefile.tmp mv -f Makefile.tmp Makefile changequote([,])dnl @@ -1543,7 +1960,6 @@ esac ], [ gdb_host_cpu=$gdb_host_cpu -gdb_target_cpu=$gdb_target_cpu nativefile=$nativefile ])