configure.ac revision 1.7
1dnl Autoconf configure script for GDB, the GNU debugger. 2dnl Copyright (C) 1995-2017 Free Software Foundation, Inc. 3dnl 4dnl This file is part of GDB. 5dnl 6dnl This program is free software; you can redistribute it and/or modify 7dnl it under the terms of the GNU General Public License as published by 8dnl the Free Software Foundation; either version 3 of the License, or 9dnl (at your option) any later version. 10dnl 11dnl This program is distributed in the hope that it will be useful, 12dnl but WITHOUT ANY WARRANTY; without even the implied warranty of 13dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14dnl GNU General Public License for more details. 15dnl 16dnl You should have received a copy of the GNU General Public License 17dnl along with this program. If not, see <http://www.gnu.org/licenses/>. 18 19dnl Process this file with autoconf to produce a configure script. 20 21AC_PREREQ(2.59)dnl 22AC_INIT(main.c) 23AC_CONFIG_HEADER(config.h:config.in) 24AM_MAINTAINER_MODE 25 26# Set the 'development' global. 27. $srcdir/../bfd/development.sh 28 29AC_PROG_CC 30AC_PROG_CXX 31 32AC_USE_SYSTEM_EXTENSIONS 33ACX_LARGEFILE 34AM_PROG_CC_STDC 35AM_PROG_INSTALL_STRIP 36 37AC_CONFIG_AUX_DIR(..) 38AC_CANONICAL_SYSTEM 39AC_ARG_PROGRAM 40 41# We require a C++11 compiler. Check if one is available, and if 42# necessary, set CXX_DIALECT to some -std=xxx switch. 43AX_CXX_COMPILE_STDCXX(11, , mandatory) 44 45# Dependency checking. 46ZW_CREATE_DEPDIR 47ZW_PROG_COMPILER_DEPENDENCIES([CC]) 48 49gnulib_extra_configure_args= 50# If large-file support is disabled, make sure gnulib does the same. 51if test "$enable_largefile" = no; then 52gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile" 53fi 54 55# Configure gnulib. We need to build gnulib under some other 56# directory not "gnulib", to avoid the problem of both GDB and 57# GDBserver wanting to build it in the same directory, when building 58# in the source dir. 59ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"], 60 ["$gnulib_extra_configure_args"]) 61 62dnl List of object files and targets accumulated by configure. 63 64CONFIG_OBS= 65CONFIG_DEPS= 66CONFIG_SRCS= 67ENABLE_CFLAGS= 68 69CONFIG_ALL= 70CONFIG_CLEAN= 71CONFIG_INSTALL= 72CONFIG_UNINSTALL= 73 74dnl Set up for gettext. 75ZW_GNU_GETTEXT_SISTER_DIR 76 77localedir='${datadir}/locale' 78AC_SUBST(localedir) 79 80if test x"$USE_NLS" = xyes; then 81 CONFIG_ALL="$CONFIG_ALL all-po" 82 CONFIG_CLEAN="$CONFIG_CLEAN clean-po" 83 CONFIG_INSTALL="$CONFIG_INSTALL install-po" 84 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po" 85fi 86 87GNULIB=build-gnulib/import 88 89# For Makefile dependencies. 90GNULIB_STDINT_H= 91if test x"$STDINT_H" != x; then 92 GNULIB_STDINT_H=$GNULIB/$STDINT_H 93fi 94AC_SUBST(GNULIB_STDINT_H) 95 96PACKAGE=gdb 97AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ]) 98AC_SUBST(PACKAGE) 99 100# We never need to detect it in this sub-configure. 101# But preserve it for config.status --recheck. 102AC_ARG_VAR(MAKEINFO, 103 [Parent configure detects if it is of sufficient version.]) 104AC_ARG_VAR(MAKEINFOFLAGS, 105 [Parameters for MAKEINFO.]) 106 107MAKEINFO_EXTRA_FLAGS="" 108AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click, 109 [echo '@clicksequence{a @click{} b}' >conftest.texinfo 110 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then 111 gdb_cv_have_makeinfo_click=yes 112 else 113 gdb_cv_have_makeinfo_click=no 114 fi]) 115if test x"$gdb_cv_have_makeinfo_click" = xyes; then 116 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK" 117fi 118AC_SUBST(MAKEINFO_EXTRA_FLAGS) 119 120GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir, 121 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@], 122 [${libdir}/debug]) 123 124# We can't pass paths as command line arguments. 125# Mingw32 tries to be clever and will convert the paths for us. 126# For example -DBINDIR="/usr/local/bin" passed on the command line may get 127# converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin". 128# This breaks GDB's relocatable path conversions since paths passed in 129# config.h would not get so translated, the path prefixes no longer match. 130AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.]) 131 132# GDB's datadir relocation 133 134GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir, 135 [look for global separate data files in this path @<:@DATADIR/gdb@:>@], 136 [${datadir}/gdb]) 137 138AC_ARG_WITH(relocated-sources, 139AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]), 140[reloc_srcdir="${withval}" 141 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir, 142 [Relocated directory for source files. ]) 143]) 144 145AC_MSG_CHECKING([for default auto-load directory]) 146AC_ARG_WITH(auto-load-dir, 147AS_HELP_STRING([--with-auto-load-dir=PATH], 148 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),, 149 [with_auto_load_dir='$debugdir:$datadir/auto-load']) 150escape_dir=`echo $with_auto_load_dir | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'` 151AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir, 152 [Directories from which to load auto-loaded scripts.]) 153AC_MSG_RESULT([$with_auto_load_dir]) 154 155AC_MSG_CHECKING([for default auto-load safe-path]) 156AC_ARG_WITH(auto-load-safe-path, 157AS_HELP_STRING([--with-auto-load-safe-path=PATH], 158 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@]) 159AS_HELP_STRING([--without-auto-load-safe-path], 160 [do not restrict auto-loaded files locations]), 161 [if test "$with_auto_load_safe_path" = "no"; then 162 with_auto_load_safe_path="/" 163 fi], 164[with_auto_load_safe_path="$with_auto_load_dir"]) 165escape_dir=`echo $with_auto_load_safe_path | sed 's/[[$]]\(datadir\|debugdir\)\>/\\\\\\\\\\\\&/g'` 166AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir, 167 [Directories safe to hold auto-loaded files.]) 168AC_MSG_RESULT([$with_auto_load_safe_path]) 169 170AC_CONFIG_SUBDIRS(testsuite) 171 172# Check whether to support alternative target configurations 173AC_ARG_ENABLE(targets, 174AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]), 175[case "${enableval}" in 176 yes | "") AC_ERROR(enable-targets option must specify target names or 'all') 177 ;; 178 no) enable_targets= ;; 179 *) enable_targets=$enableval ;; 180esac]) 181 182# Check whether to enable 64-bit support on 32-bit hosts 183AC_ARG_ENABLE(64-bit-bfd, 184AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]), 185[case "${enableval}" in 186 yes) want64=true ;; 187 no) want64=false ;; 188 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;; 189esac],[want64=false])dnl 190 191# Provide defaults for some variables set by the per-host and per-target 192# configuration. 193gdb_host_obs=posix-hdep.o 194 195if test "${target}" = "${host}"; then 196 gdb_native=yes 197else 198 gdb_native=no 199fi 200 201. $srcdir/configure.host 202 203# Add in the common host objects. 204. $srcdir/common/common.host 205gdb_host_obs="$gdb_host_obs $common_host_obs" 206 207# Accumulate some settings from configure.tgt over all enabled targets 208 209TARGET_OBS= 210all_targets= 211HAVE_NATIVE_GCORE_TARGET= 212 213for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` 214do 215 if test "$targ_alias" = "all"; then 216 all_targets=true 217 else 218 # Canonicalize the secondary target names. 219 result=`$ac_config_sub $targ_alias 2>/dev/null` 220 if test -n "$result"; then 221 targ=$result 222 else 223 targ=$targ_alias 224 fi 225 226 . ${srcdir}/configure.tgt 227 228 AS_IF([test -z "${gdb_target_obs}"], 229 [AC_MSG_ERROR([configuration ${targ} is unsupported.])]) 230 231 # Target-specific object files 232 for i in ${gdb_target_obs}; do 233 case " $TARGET_OBS " in 234 *" ${i} "*) ;; 235 *) 236 TARGET_OBS="$TARGET_OBS ${i}" 237 ;; 238 esac 239 done 240 241 # Check whether this target needs 64-bit CORE_ADDR 242 if test x${want64} = xfalse; then 243 . ${srcdir}/../bfd/config.bfd 244 fi 245 246 # Check whether this target is native and supports gcore. 247 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \ 248 && $gdb_have_gcore; then 249 HAVE_NATIVE_GCORE_TARGET=1 250 fi 251 fi 252done 253 254if test x${all_targets} = xtrue; then 255 256 # We want all 64-bit targets if we either: 257 # - run on a 64-bit host or 258 # - already require 64-bit support for some other target or 259 # - the --enable-64-bit-bfd option was supplied 260 # Otherwise we only support all 32-bit targets. 261 # 262 # NOTE: This test must be in sync with the corresponding 263 # tests in BFD! 264 265 if test x${want64} = xfalse; then 266 AC_CHECK_SIZEOF(long) 267 if test "x${ac_cv_sizeof_long}" = "x8"; then 268 want64=true 269 fi 270 fi 271 if test x${want64} = xtrue; then 272 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)' 273 else 274 TARGET_OBS='$(ALL_TARGET_OBS)' 275 fi 276fi 277 278AC_SUBST(TARGET_OBS) 279AC_SUBST(HAVE_NATIVE_GCORE_TARGET) 280 281# For other settings, only the main target counts. 282gdb_sim= 283gdb_osabi= 284build_gdbserver= 285targ=$target; . ${srcdir}/configure.tgt 286 287# Fetch the default architecture and default target vector from BFD. 288targ=$target; . $srcdir/../bfd/config.bfd 289 290# We only want the first architecture, so strip off the others if 291# there is more than one. 292targ_archs=`echo $targ_archs | sed 's/ .*//'` 293 294if test "x$targ_archs" != x; then 295 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs, 296 [Define to BFD's default architecture. ]) 297fi 298if test "x$targ_defvec" != x; then 299 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec, 300 [Define to BFD's default target vector. ]) 301fi 302 303# The CLI cannot be disabled yet, but may be in the future. 304 305# Enable CLI. 306AC_ARG_ENABLE(gdbcli, 307AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]), 308 [case $enableval in 309 yes) 310 ;; 311 no) 312 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;; 313 *) 314 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;; 315 esac], 316 [enable_gdbcli=yes]) 317if test x"$enable_gdbcli" = xyes; then 318 if test -d $srcdir/cli; then 319 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)" 320 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)" 321 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)" 322 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)" 323 fi 324fi 325 326# Enable MI. 327AC_ARG_ENABLE(gdbmi, 328AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]), 329 [case $enableval in 330 yes | no) 331 ;; 332 *) 333 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;; 334 esac], 335 [enable_gdbmi=yes]) 336if test x"$enable_gdbmi" = xyes; then 337 if test -d $srcdir/mi; then 338 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)" 339 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)" 340 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)" 341 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)" 342 fi 343fi 344 345# Enable TUI. 346AC_ARG_ENABLE(tui, 347AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]), 348 [case $enableval in 349 yes | no | auto) 350 ;; 351 *) 352 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;; 353 esac],enable_tui=auto) 354 355# Enable gdbtk. 356AC_ARG_ENABLE(gdbtk, 357AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]), 358 [case $enableval in 359 yes | no) 360 ;; 361 *) 362 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;; 363 esac], 364 [if test -d $srcdir/gdbtk; then 365 enable_gdbtk=yes 366 else 367 enable_gdbtk=no 368 fi]) 369# We unconditionally disable gdbtk tests on selected platforms. 370case $host_os in 371 go32* | windows*) 372 AC_MSG_WARN([gdbtk isn't supported on $host; disabling]) 373 enable_gdbtk=no ;; 374esac 375 376# Libunwind support for ia64. 377 378AC_ARG_WITH(libunwind-ia64, 379AS_HELP_STRING([--with-libunwind-ia64], 380 [use libunwind frame unwinding for ia64 targets]),, 381 [with_libunwind_ia64=auto]) 382 383# Backward compatibility option. 384if test "${with_libunwind+set}" = set; then 385 if test x"$with_libunwind_ia64" != xauto; then 386 AC_MSG_ERROR( 387 [option --with-libunwind is deprecated, use --with-libunwind-ia64]) 388 fi 389 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64]) 390 with_libunwind_ia64="$with_libunwind" 391fi 392 393case "$with_libunwind_ia64" in 394 yes | no) 395 ;; 396 auto) 397 AC_CHECK_HEADERS(libunwind-ia64.h) 398 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h 399 ;; 400 *) 401 AC_MSG_ERROR( 402 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option]) 403 ;; 404esac 405 406if test x"$with_libunwind_ia64" = xyes; then 407 AC_CHECK_HEADERS(libunwind-ia64.h) 408 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then 409 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h]) 410 fi 411 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o" 412 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o" 413 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c" 414fi 415 416opt_curses=no 417AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval) 418 419prefer_curses=no 420if test "$opt_curses" = "yes"; then 421 prefer_curses=yes 422fi 423 424# Profiling support. 425AC_ARG_ENABLE(profiling, 426AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]), 427 [case $enableval in 428 yes | no) 429 ;; 430 *) 431 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;; 432 esac], 433 [enable_profiling=no]) 434 435AC_CHECK_FUNCS(monstartup _mcleanup) 436AC_CACHE_CHECK([for _etext], ac_cv_var__etext, 437[AC_TRY_LINK( 438[#include <stdlib.h> 439extern char _etext; 440], 441[free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)]) 442if test $ac_cv_var__etext = yes; then 443 AC_DEFINE(HAVE__ETEXT, 1, 444 [Define to 1 if your system has the _etext variable. ]) 445fi 446AC_CACHE_CHECK([for etext], ac_cv_var_etext, 447[AC_TRY_LINK( 448[#include <stdlib.h> 449extern char etext; 450], 451[free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)]) 452if test $ac_cv_var_etext = yes; then 453 AC_DEFINE(HAVE_ETEXT, 1, 454 [Define to 1 if your system has the etext variable. ]) 455fi 456if test "$enable_profiling" = yes ; then 457 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then 458 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup) 459 fi 460 PROFILE_CFLAGS=-pg 461 OLD_CFLAGS="$CFLAGS" 462 CFLAGS="$CFLAGS $PROFILE_CFLAGS" 463 464 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg, 465 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes, 466 ac_cv_cc_supports_pg=no)]) 467 468 if test $ac_cv_cc_supports_pg = no; then 469 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg) 470 fi 471 472 CFLAGS="$OLD_CFLAGS" 473fi 474 475ACX_PKGVERSION([GDB]) 476ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/]) 477AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description]) 478AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address]) 479 480# --------------------- # 481# Checks for programs. # 482# --------------------- # 483 484AC_PROG_AWK 485AC_PROG_INSTALL 486AC_PROG_LN_S 487AC_PROG_RANLIB 488AC_PROG_YACC 489 490AC_CHECK_TOOL(AR, ar) 491AC_CHECK_TOOL(DLLTOOL, dlltool) 492AC_CHECK_TOOL(WINDRES, windres) 493 494case $host_os in 495 gnu*) 496 # Needed for GNU Hurd hosts. 497 AC_CHECK_TOOL(MIG, mig) 498 if test x"$MIG" = x; then 499 AC_MSG_ERROR([MIG not found but required for $host hosts]) 500 fi 501 ;; 502esac 503 504# ---------------------- # 505# Checks for libraries. # 506# ---------------------- # 507 508# We might need to link with -lm; most simulators need it. 509AC_CHECK_LIB(m, main) 510 511# We need to link with -lw to get `wctype' on Solaris before Solaris 512# 2.6. Solaris 2.6 and beyond have this function in libc, and have a 513# libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1 514# is known to have this problem). Therefore we avoid libw if we can. 515AC_CHECK_FUNC(wctype, [], 516 [AC_CHECK_LIB(w, wctype)]) 517 518# Some systems (e.g. Solaris) have `gethostbyname' in libnsl. 519AC_SEARCH_LIBS(gethostbyname, nsl) 520 521# Some systems (e.g. Solaris) have `socketpair' in libsocket. 522AC_SEARCH_LIBS(socketpair, socket) 523 524# Link in zlib if we can. This allows us to read compressed debug sections. 525AM_ZLIB 526 527# On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c). 528# On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd. 529AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd, 530 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1, 531 [Define to 1 if your system has the kinfo_getvmmap function. ])]) 532 533AM_ICONV 534 535# GDB may fork/exec the iconv program to get the list of supported character 536# sets. Allow the user to specify where to find it. 537# There are several factors affecting the choice of option name: 538# - There is already --with-libiconv-prefix but we can't use it, it specifies 539# the build-time location of libiconv files. 540# - The program we need to find is iconv, which comes with glibc. The user 541# doesn't necessarily have libiconv installed. Therefore naming this 542# --with-libiconv-foo feels wrong. 543# - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is 544# defined to work on directories not files (though it really doesn't know 545# the difference). 546# - Calling this --with-iconv-prefix is perceived to cause too much confusion 547# with --with-libiconv-prefix. 548# Putting these together is why the option name is --with-iconv-bin. 549 550AC_ARG_WITH(iconv-bin, 551AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]), 552[iconv_bin="${withval}" 553 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"], 554 [Path of directory of iconv program.]) 555 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin}) 556]) 557 558# For the TUI, we need enhanced curses functionality. 559if test x"$enable_tui" != xno; then 560 prefer_curses=yes 561fi 562 563curses_found=no 564if test x"$prefer_curses" = xyes; then 565 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied 566 # curses library because the latter might not provide all the 567 # functionality we need. However, this leads to problems on systems 568 # where the linker searches /usr/local/lib, but the compiler doesn't 569 # search /usr/local/include, if ncurses is installed in /usr/local. A 570 # default installation of ncurses on alpha*-dec-osf* will lead to such 571 # a situation. 572 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses]) 573 574 if test "$ac_cv_search_waddstr" != no; then 575 curses_found=yes 576 fi 577fi 578 579# Check whether we should enable the TUI, but only do so if we really 580# can. 581if test x"$enable_tui" != xno; then 582 if test -d $srcdir/tui; then 583 if test "$curses_found" != no; then 584 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)" 585 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)" 586 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)" 587 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)" 588 else 589 if test x"$enable_tui" = xyes; then 590 AC_MSG_ERROR([no enhanced curses library found; disable TUI]) 591 else 592 AC_MSG_WARN([no enhanced curses library found; disabling TUI]) 593 fi 594 fi 595 fi 596fi 597 598# Since GDB uses Readline, we need termcap functionality. In many 599# cases this will be provided by the curses library, but some systems 600# have a separate termcap library, or no curses library at all. 601 602case $host_os in 603 cygwin*) 604 if test -d $srcdir/libtermcap; then 605 LIBS="../libtermcap/libtermcap.a $LIBS" 606 ac_cv_search_tgetent="../libtermcap/libtermcap.a" 607 fi ;; 608 go32* | *djgpp*) 609 ac_cv_search_tgetent="none required" 610 ;; 611esac 612 613# These are the libraries checked by Readline. 614AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses]) 615 616if test "$ac_cv_search_tgetent" = no; then 617 CONFIG_OBS="$CONFIG_OBS stub-termcap.o" 618fi 619 620AC_ARG_WITH([system-readline], 621 [AS_HELP_STRING([--with-system-readline], 622 [use installed readline library])]) 623 624if test "$with_system_readline" = yes; then 625 READLINE=-lreadline 626 READLINE_DEPS= 627 READLINE_CFLAGS= 628 READLINE_TEXI_INCFLAG= 629else 630 READLINE='$(READLINE_DIR)/libreadline.a' 631 READLINE_DEPS='$(READLINE)' 632 READLINE_CFLAGS='-I$(READLINE_SRC)/..' 633 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)' 634fi 635AC_SUBST(READLINE) 636AC_SUBST(READLINE_DEPS) 637AC_SUBST(READLINE_CFLAGS) 638AC_SUBST(READLINE_TEXI_INCFLAG) 639 640# Generate jit-reader.h 641 642# This is typedeffed to GDB_CORE_ADDR in jit-reader.h 643TARGET_PTR= 644 645AC_CHECK_SIZEOF(unsigned long long) 646AC_CHECK_SIZEOF(unsigned long) 647AC_CHECK_SIZEOF(unsigned __int128) 648 649if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then 650 TARGET_PTR="unsigned long" 651elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then 652 TARGET_PTR="unsigned long long" 653elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then 654 TARGET_PTR="unsigned __int128" 655else 656 TARGET_PTR="unsigned long" 657fi 658 659AC_SUBST(TARGET_PTR) 660AC_CONFIG_FILES([jit-reader.h:jit-reader.in]) 661 662AC_SEARCH_LIBS(dlopen, dl) 663 664GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir], 665 [directory to load the JIT readers from], 666 [${libdir}/gdb]) 667 668AC_ARG_WITH(expat, 669 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]), 670 [], [with_expat=auto]) 671AC_MSG_CHECKING([whether to use expat]) 672AC_MSG_RESULT([$with_expat]) 673 674if test "${with_expat}" = no; then 675 AC_MSG_WARN([expat support disabled; some features may be unavailable.]) 676 HAVE_LIBEXPAT=no 677else 678 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"], 679 [XML_Parser p = XML_ParserCreate (0);]) 680 if test "$HAVE_LIBEXPAT" != yes; then 681 if test "$with_expat" = yes; then 682 AC_MSG_ERROR([expat is missing or unusable]) 683 else 684 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.]) 685 fi 686 else 687 save_LIBS=$LIBS 688 LIBS="$LIBS $LIBEXPAT" 689 AC_CHECK_FUNCS(XML_StopParser) 690 LIBS=$save_LIBS 691 fi 692fi 693 694# --------------------- # 695# Check for libpython. # 696# --------------------- # 697 698dnl Utility to simplify finding libpython. 699dnl $1 = pythonX.Y 700dnl $2 = the shell variable to assign the result to 701dnl If libpython is found we store $version here. 702dnl $3 = additional flags to add to CPPFLAGS 703dnl $4 = additional flags to add to LIBS 704 705AC_DEFUN([AC_TRY_LIBPYTHON], 706[ 707 version=$1 708 define([have_libpython_var],$2) 709 new_CPPFLAGS=$3 710 new_LIBS=$4 711 AC_MSG_CHECKING([for ${version}]) 712 save_CPPFLAGS=$CPPFLAGS 713 save_LIBS=$LIBS 714 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS" 715 LIBS="$LIBS $new_LIBS" 716 found_usable_python=no 717 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "Python.h"]], 718 [[Py_Initialize ();]]), 719 [have_libpython_var=${version} 720 found_usable_python=yes 721 PYTHON_CPPFLAGS=$new_CPPFLAGS 722 PYTHON_LIBS=$new_LIBS]) 723 CPPFLAGS=$save_CPPFLAGS 724 LIBS=$save_LIBS 725 AC_MSG_RESULT([${found_usable_python}]) 726]) 727 728dnl There are several different values for --with-python: 729dnl 730dnl no - Don't include python support. 731dnl yes - Include python support, error if it's missing. 732dnl If we find python in $PATH, use it to fetch configure options, 733dnl otherwise assume the compiler can find it with no help from us. 734dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn. 735dnl auto - Same as "yes", but if python is missing from the system, 736dnl fall back to "no". 737dnl /path/to/python/exec-prefix - 738dnl Use the python located in this directory. 739dnl If /path/to/python/exec-prefix/bin/python exists, use it to find 740dnl the compilation parameters. Otherwise use 741dnl -I/path/to/python/exec-prefix/include, 742dnl -L/path/to/python/exec-prefix/lib. 743dnl Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn. 744dnl NOTE: This case is historical. It is what was done for 7.0/7.1 745dnl but is deprecated. 746dnl /path/to/python/executable - 747dnl Run python-config.py with this version of python to fetch the 748dnl compilation parameters. 749dnl NOTE: This needn't be the real python executable. 750dnl In a cross-compilation scenario (build != host), this could be 751dnl a shell script that provides what python-config.py provides for 752dnl --ldflags, --includes, --exec-prefix. 753dnl python-executable - 754dnl Find python-executable in $PATH, and then handle the same as 755dnl /path/to/python/executable. 756dnl 757dnl If a python program is specified, it is used to run python-config.py and 758dnl is passed --ldflags, --includes, --exec-prefix. 759 760AC_ARG_WITH(python, 761 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]), 762 [], [with_python=auto]) 763AC_MSG_CHECKING([whether to use python]) 764AC_MSG_RESULT([$with_python]) 765 766if test "${with_python}" = no; then 767 AC_MSG_WARN([python support disabled; some features may be unavailable.]) 768 have_libpython=no 769else 770 case "${with_python}" in 771 [[\\/]]* | ?:[[\\/]]*) 772 if test -d ${with_python}; then 773 # Assume the python binary is ${with_python}/bin/python. 774 python_prog="${with_python}/bin/python" 775 python_prefix= 776 # If python does not exit ${with_python}/bin, then try in 777 # ${with_python}. On Windows/MinGW, this is where the Python 778 # executable is. 779 if test ! -x "${python_prog}"; then 780 python_prog="${with_python}/python" 781 python_prefix= 782 fi 783 if test ! -x "${python_prog}"; then 784 # Fall back to gdb 7.0/7.1 behaviour. 785 python_prog=missing 786 python_prefix=${with_python} 787 fi 788 elif test -x "${with_python}"; then 789 # While we can't run python compiled for $host (unless host == build), 790 # the user could write a script that provides the needed information, 791 # so we support that. 792 python_prog=${with_python} 793 python_prefix= 794 else 795 AC_ERROR(invalid value for --with-python) 796 fi 797 ;; 798 */*) 799 # Disallow --with-python=foo/bar. 800 AC_ERROR(invalid value for --with-python) 801 ;; 802 *) 803 # The user has either specified auto, yes, or the name of the python 804 # program assumed to be in $PATH. 805 python_prefix= 806 case "${with_python}" in 807 yes | auto) 808 if test ${build} = ${host}; then 809 AC_PATH_PROG(python_prog_path, python, missing) 810 if test "${python_prog_path}" = missing; then 811 python_prog=missing 812 else 813 python_prog=${python_prog_path} 814 fi 815 else 816 # Not much we can do except assume the cross-compiler will find the 817 # right files. 818 python_prog=missing 819 fi 820 ;; 821 *) 822 # While we can't run python compiled for $host (unless host == build), 823 # the user could write a script that provides the needed information, 824 # so we support that. 825 python_prog="${with_python}" 826 AC_PATH_PROG(python_prog_path, ${python_prog}, missing) 827 if test "${python_prog_path}" = missing; then 828 AC_ERROR(unable to find python program ${python_prog}) 829 fi 830 ;; 831 esac 832 esac 833 834 if test "${python_prog}" != missing; then 835 # We have a python program to use, but it may be too old. 836 # Don't flag an error for --with-python=auto (the default). 837 have_python_config=yes 838 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes` 839 if test $? != 0; then 840 have_python_config=failed 841 if test "${with_python}" != auto; then 842 AC_ERROR(failure running python-config --includes) 843 fi 844 fi 845 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags` 846 if test $? != 0; then 847 have_python_config=failed 848 if test "${with_python}" != auto; then 849 AC_ERROR(failure running python-config --ldflags) 850 fi 851 fi 852 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix` 853 if test $? != 0; then 854 have_python_config=failed 855 if test "${with_python}" != auto; then 856 AC_ERROR(failure running python-config --exec-prefix) 857 fi 858 fi 859 else 860 # We do not have a python executable we can use to determine where 861 # to find the Python headers and libs. We cannot guess the include 862 # path from the python_prefix either, because that include path 863 # depends on the Python version. So, there is nothing much we can 864 # do except assume that the compiler will be able to find those files. 865 python_includes= 866 python_libs= 867 have_python_config=no 868 fi 869 870 # If we have python-config, only try the configuration it provides. 871 # Otherwise fallback on the old way of trying different versions of 872 # python in turn. 873 874 have_libpython=no 875 if test "${have_python_config}" = yes; then 876 # Determine the Python version by extracting "-lpython<version>" 877 # part of the python_libs. <version> is usually X.Y with X and Y 878 # being decimal numbers, but can also be XY (seen on Windows). 879 # 880 # The extraction is performed using sed with a regular expression. 881 # Initially, the regexp used was using the '?' quantifier to make 882 # the dot in the version number optional. Unfortunately, this 883 # does not work with non-GNU versions of sed because, because of 884 # what looks like a limitation (the '?' quantifier does not work 885 # with back-references). We work around this limitation by using 886 # the '*' quantifier instead. It means that, in theory, we might 887 # match unexpected version strings such as "-lpython2..7", but 888 # this seems unlikely in practice. And even if that happens, 889 # an error will be triggered later on, when checking that version 890 # number. 891 python_version=`echo " ${python_libs} " \ 892 | sed -e 's,^.* -l\(python[[0-9]]*[[.]]*[[0-9]]*\).*$,\1,'` 893 case "${python_version}" in 894 python*) 895 AC_TRY_LIBPYTHON(${python_version}, have_libpython, 896 ${python_includes}, ${python_libs}) 897 ;; 898 *) 899 AC_MSG_ERROR([unable to determine python version from ${python_libs}]) 900 ;; 901 esac 902 elif test "${have_python_config}" != failed; then 903 if test "${have_libpython}" = no; then 904 AC_TRY_LIBPYTHON(python2.7, have_libpython, 905 ${python_includes}, "${python_libs} -lpython2.7") 906 fi 907 if test "${have_libpython}" = no; then 908 AC_TRY_LIBPYTHON(python2.6, have_libpython, 909 ${python_includes}, "${python_libs} -lpython2.6") 910 fi 911 if test ${have_libpython} = no; then 912 AC_TRY_LIBPYTHON(python2.5, have_libpython, 913 ${python_includes}, "${python_libs} -lpython2.5") 914 fi 915 if test ${have_libpython} = no; then 916 AC_TRY_LIBPYTHON(python2.4, have_libpython, 917 ${python_includes}, "${python_libs} -lpython2.4") 918 fi 919 fi 920 if test "${have_libpython}" = python2.7 -o "${have_libpython}" = python27; then 921 AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.]) 922 elif test "${have_libpython}" = python2.6 -o "${have_libpython}" = python26; then 923 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.]) 924 elif test "${have_libpython}" = python2.5 -o "${have_libpython}" = python25; then 925 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.]) 926 elif test "${have_libpython}" = python2.4 -o "${have_libpython}" = python24; then 927 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.]) 928 fi 929 930 if test "${have_libpython}" = no; then 931 case "${with_python}" in 932 yes) 933 AC_MSG_ERROR([python is missing or unusable]) 934 ;; 935 auto) 936 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.]) 937 ;; 938 *) 939 AC_MSG_ERROR([no usable python found at ${with_python}]) 940 ;; 941 esac 942 else 943 if test -n "${python_prefix}"; then 944 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}", 945 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.]) 946 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix}) 947 fi 948 fi 949fi 950 951if test "${have_libpython}" != no; then 952 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.]) 953 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)" 954 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)" 955 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)" 956 CONFIG_INSTALL="$CONFIG_INSTALL install-python" 957 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)" 958 959 # Flags needed to compile Python code (taken from python-config --cflags). 960 # We cannot call python-config directly because it will output whatever was 961 # used when compiling the Python interpreter itself, including flags which 962 # would make the python-related objects be compiled differently from the 963 # rest of GDB (e.g., -O2 and -fPIC). 964 if test "${GCC}" = yes; then 965 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv" 966 fi 967 968 if test "x${tentative_python_cflags}" != x; then 969 AC_MSG_CHECKING(compiler flags for python code) 970 for flag in ${tentative_python_cflags}; do 971 # Check that the compiler accepts it 972 saved_CFLAGS="$CFLAGS" 973 CFLAGS="$CFLAGS $flag" 974 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",) 975 CFLAGS="$saved_CFLAGS" 976 done 977 AC_MSG_RESULT(${PYTHON_CFLAGS}) 978 fi 979 980 # On x64 Windows, Python's include headers, and pyconfig.h in 981 # particular, rely on MS_WIN64 macro to detect that it's a 64bit 982 # version of Windows. Unfortunately, MS_WIN64 is only defined if 983 # _MSC_VER, a Microsoft-specific macro, is defined. So, when 984 # building on x64 Windows with GCC, we define MS_WIN64 ourselves. 985 # The issue was reported to the Python community, but still isn't 986 # solved as of 2012-10-02 (http://bugs.python.org/issue4709). 987 988 case "$gdb_host" in 989 mingw64) 990 if test "${GCC}" = yes; then 991 CPPFLAGS="$CPPFLAGS -DMS_WIN64" 992 fi 993 ;; 994 esac 995 996 # Note that "python -m threading" cannot be used to check for 997 # threading support due to a bug in Python 2.7.3 998 # (http://bugs.python.org/issue15567). 999 AC_MSG_CHECKING(whether python supports threads) 1000 saved_CPPFLAGS="${CPPFLAGS}" 1001 CPPFLAGS="${PYTHON_CPPFLAGS}" 1002 # Note that the test is reversed so that python_has_threads=yes on 1003 # unexpected failures. 1004 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[ 1005#include <Python.h> 1006#ifdef WITH_THREAD 1007# error 1008#endif 1009 ]]), [python_has_threads=no], [python_has_threads=yes]) 1010 AC_MSG_RESULT(${python_has_threads}) 1011 CPPFLAGS="${saved_CPPFLAGS}" 1012else 1013 # Even if Python support is not compiled in, we need to have this file 1014 # included so that the "python" command, et.al., still exists. 1015 CONFIG_OBS="$CONFIG_OBS python.o" 1016 CONFIG_SRCS="$CONFIG_SRCS python/python.c" 1017fi 1018 1019# Work around Python http://bugs.python.org/issue10112. See also 1020# http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has 1021# no effect. Note that the only test after this that uses Python is 1022# the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be 1023# run without -export-dynamic too. 1024PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'` 1025 1026AC_SUBST(PYTHON_CFLAGS) 1027AC_SUBST(PYTHON_CPPFLAGS) 1028AC_SUBST(PYTHON_LIBS) 1029AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no) 1030 1031# -------------------- # 1032# Check for libguile. # 1033# -------------------- # 1034 1035dnl Utility to simplify finding libguile. 1036dnl $1 = pkg-config-program 1037dnl $2 = space-separate list of guile versions to try 1038dnl $3 = yes|no, indicating whether to flag errors or ignore them 1039dnl $4 = the shell variable to assign the result to 1040dnl If libguile is found we store "yes" here. 1041 1042AC_DEFUN([AC_TRY_LIBGUILE], 1043[ 1044 pkg_config=$1 1045 guile_version_list=$2 1046 flag_errors=$3 1047 define([have_libguile_var],$4) 1048 found_usable_guile=checking 1049 AC_MSG_CHECKING([for usable guile from ${pkg_config}]) 1050 for guile_version in ${guile_version_list}; do 1051 ${pkg_config} --exists ${guile_version} 2>/dev/null 1052 if test $? != 0; then 1053 continue 1054 fi 1055 dnl pkg-config says the package exists, so if we get an error now, 1056 dnl that's bad. 1057 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}` 1058 if test $? != 0; then 1059 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}]) 1060 fi 1061 new_LIBS=`${pkg_config} --libs ${guile_version}` 1062 if test $? != 0; then 1063 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}]) 1064 fi 1065 dnl If we get this far, great. 1066 found_usable_guile=${guile_version} 1067 break 1068 done 1069 if test "${found_usable_guile}" = "checking"; then 1070 if test "${flag_errors}" = "yes"; then 1071 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"]) 1072 else 1073 found_usable_guile=no 1074 fi 1075 fi 1076 dnl One final sanity check. 1077 dnl The user could have said --with-guile=python-2.7. 1078 if test "${found_usable_guile}" != no; then 1079 save_CPPFLAGS=$CPPFLAGS 1080 save_LIBS=$LIBS 1081 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS" 1082 LIBS="$LIBS $new_LIBS" 1083 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "libguile.h"]], 1084 [[scm_init_guile ();]]), 1085 [have_libguile_var=yes 1086 GUILE_CPPFLAGS=$new_CPPFLAGS 1087 GUILE_LIBS=$new_LIBS], 1088 [found_usable_guile=no]) 1089 dnl scm_set_automatic_finalization_enabled added in Guile 2.2. 1090 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled, 1091 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1, 1092 [Define if Guile supports manual finalization.]) 1093 ) 1094 CPPFLAGS=$save_CPPFLAGS 1095 LIBS=$save_LIBS 1096 if test "${found_usable_guile}" = no; then 1097 if test "${flag_errors}" = yes; then 1098 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed]) 1099 fi 1100 fi 1101 fi 1102 AC_MSG_RESULT([${found_usable_guile}]) 1103]) 1104 1105dnl There are several different values for --with-guile: 1106dnl 1107dnl no - Don't include guile support. 1108dnl yes - Include guile support, error if it's missing. 1109dnl The pkg-config program must be in $PATH. 1110dnl auto - Same as "yes", but if guile is missing from the system, 1111dnl fall back to "no". 1112dnl guile-version [guile-version-choice-2 ...] - 1113dnl A space-separated list of guile package versions to try. 1114dnl These are passed to pkg-config as-is. 1115dnl E.g., guile-2.0 or guile-2.2-uninstalled 1116dnl This requires making sure PKG_CONFIG_PATH is set appropriately. 1117dnl /path/to/pkg-config - 1118dnl Use this pkg-config program. 1119dnl NOTE: This needn't be the "real" pkg-config program. 1120dnl It could be a shell script. It is invoked as: 1121dnl pkg-config --exists $version 1122dnl pkg-config --cflags $version 1123dnl pkg-config --libs $version 1124dnl pkg-config --variable guild $version 1125dnl The script will be called with $version having each value in 1126dnl $try_guile_versions until --exists indicates success. 1127 1128AC_ARG_WITH(guile, 1129 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]), 1130 [], [with_guile=auto]) 1131AC_MSG_CHECKING([whether to use guile]) 1132AC_MSG_RESULT([$with_guile]) 1133 1134dnl We check guile with pkg-config. 1135AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing) 1136 1137try_guile_versions="guile-2.2 guile-2.0" 1138have_libguile=no 1139case "${with_guile}" in 1140no) 1141 AC_MSG_WARN([guile support disabled; some features will be unavailable.]) 1142 ;; 1143auto) 1144 if test "${pkg_config_prog_path}" = "missing"; then 1145 AC_MSG_WARN([pkg-config not found, guile support disabled]) 1146 else 1147 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile) 1148 fi 1149 ;; 1150yes) 1151 if test "${pkg_config_prog_path}" = "missing"; then 1152 AC_MSG_ERROR([pkg-config not found]) 1153 fi 1154 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile) 1155 ;; 1156[[\\/]]* | ?:[[\\/]]*) 1157 if test -x "${with_guile}"; then 1158 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile) 1159 else 1160 AC_MSG_ERROR([Guile config program not executable: ${with_guile}]) 1161 fi 1162 ;; 1163"" | */*) 1164 # Disallow --with=guile="" and --with-guile=foo/bar. 1165 AC_MSG_ERROR([invalid value for --with-guile]) 1166 ;; 1167*) 1168 # A space separate list of guile versions to try, in order. 1169 if test "${pkg_config_prog_path}" = "missing"; then 1170 AC_MSG_ERROR([pkg-config not found]) 1171 fi 1172 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile) 1173 ;; 1174esac 1175 1176if test "${have_libguile}" != no; then 1177 dnl Get the name of the 'guild' program. 1178 case "${with_guile}" in 1179 [[\\/]]* | ?:[[\\/]]*) 1180 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"]) 1181 ;; 1182 *) 1183 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"]) 1184 ;; 1185 esac 1186 1187 dnl Make sure guild can handle this host. 1188 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm]) 1189 dnl If not, disable guile support. 1190 if test "$ac_cv_guild_ok" = no; then 1191 have_libguile=no 1192 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host) 1193 fi 1194fi 1195 1196if test "${have_libguile}" != no; then 1197 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.]) 1198 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)" 1199 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)" 1200 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)" 1201 CONFIG_INSTALL="$CONFIG_INSTALL install-guile" 1202 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)" 1203 1204 dnl The 'scm_new_smob' function appeared in Guile 2.0.6. 1205 save_LIBS="$LIBS" 1206 save_CPPFLAGS="$CPPFLAGS" 1207 LIBS="$GUILE_LIBS" 1208 CPPFLAGS="$GUILE_CPPFLAGS" 1209 AC_CHECK_FUNCS([scm_new_smob]) 1210 LIBS="$save_LIBS" 1211 CPPFLAGS="$save_CPPFLAGS" 1212else 1213 # Even if Guile support is not compiled in, we need to have these files 1214 # included. 1215 CONFIG_OBS="$CONFIG_OBS guile.o" 1216 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c" 1217fi 1218AC_SUBST(GUILE_CPPFLAGS) 1219AC_SUBST(GUILE_LIBS) 1220AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no) 1221 1222# --------------------- # 1223# Check for libmcheck. # 1224# --------------------- # 1225 1226# Enable -lmcheck by default (it provides cheap-enough memory mangling), 1227# but turn it off if Python is enabled with threads, since -lmcheck is 1228# not thread safe (http://sourceware.org/bugzilla/show_bug.cgi?id=9939), 1229# and for releases. 1230if test \( "${have_libpython}" = "no" -o "${python_has_threads}" = "no" \) \ 1231 && $development; then 1232 libmcheck_default=yes 1233else 1234 libmcheck_default=no 1235fi 1236GDB_AC_LIBMCHECK(${libmcheck_default}) 1237 1238if test "$ENABLE_LIBMCHECK" = "yes" \ 1239 -a "${have_libpython}" != "no" \ 1240 -a "${python_has_threads}" = "yes" ; then 1241 AC_MSG_WARN(--enable-libmcheck may lead to spurious crashes if threads are used in python) 1242fi 1243 1244AC_ARG_WITH(intel_pt, 1245 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]), 1246 [], [with_intel_pt=auto]) 1247AC_MSG_CHECKING([whether to use intel pt]) 1248AC_MSG_RESULT([$with_intel_pt]) 1249 1250if test "${with_intel_pt}" = no; then 1251 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.]) 1252 HAVE_LIBIPT=no 1253else 1254 AC_PREPROC_IFELSE(AC_LANG_SOURCE([[ 1255#include <linux/perf_event.h> 1256#ifndef PERF_ATTR_SIZE_VER5 1257# error 1258#endif 1259 ]]), [perf_event=yes], [perf_event=no]) 1260 if test "$perf_event" != yes; then 1261 if test "$with_intel_pt" = yes; then 1262 AC_MSG_ERROR([linux/perf_event.h missing or too old]) 1263 else 1264 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.]) 1265 fi 1266 fi 1267 1268 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);]) 1269 if test "$HAVE_LIBIPT" != yes; then 1270 if test "$with_intel_pt" = yes; then 1271 AC_MSG_ERROR([libipt is missing or unusable]) 1272 else 1273 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.]) 1274 fi 1275 fi 1276fi 1277 1278# ------------------------- # 1279# Checks for header files. # 1280# ------------------------- # 1281 1282AC_HEADER_STDC 1283# elf_hp.h is for HP/UX 64-bit shared library support. 1284AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \ 1285 thread_db.h \ 1286 sys/fault.h \ 1287 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \ 1288 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \ 1289 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \ 1290 termios.h termio.h \ 1291 sgtty.h elf_hp.h \ 1292 dlfcn.h]) 1293AC_CHECK_HEADERS(sys/proc.h, [], [], 1294[#if HAVE_SYS_PARAM_H 1295# include <sys/param.h> 1296#endif 1297]) 1298AC_CHECK_HEADERS(sys/user.h, [], [], 1299[#if HAVE_SYS_PARAM_H 1300# include <sys/param.h> 1301#endif 1302]) 1303 1304# On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash 1305# between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to 1306# think that we don't have <curses.h> if we're using GCC. 1307case $host_os in 1308 solaris2.[[789]]) 1309 if test "$GCC" = yes; then 1310 AC_DEFINE(_MSE_INT_H, 1, 1311 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on 1312 Solaris 2.[789] when using GCC. ]) 1313 fi ;; 1314esac 1315AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h) 1316AC_CHECK_HEADERS(term.h, [], [], 1317[#if HAVE_CURSES_H 1318# include <curses.h> 1319#endif 1320]) 1321 1322# ------------------------- # 1323# Checks for declarations. # 1324# ------------------------- # 1325 1326libiberty_INIT 1327 1328AC_CHECK_DECLS([free, malloc, realloc, snprintf]) 1329AM_LC_MESSAGES 1330 1331# ----------------------- # 1332# Checks for structures. # 1333# ----------------------- # 1334 1335AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) 1336 1337# ------------------ # 1338# Checks for types. # 1339# ------------------ # 1340 1341AC_CHECK_TYPES(socklen_t, [], [], 1342[#include <sys/types.h> 1343#include <sys/socket.h> 1344]) 1345 1346# ------------------------------------- # 1347# Checks for compiler characteristics. # 1348# ------------------------------------- # 1349 1350AC_C_CONST 1351AC_C_INLINE 1352AC_C_BIGENDIAN 1353 1354# ------------------------------ # 1355# Checks for library functions. # 1356# ------------------------------ # 1357 1358AC_FUNC_MMAP 1359AC_FUNC_VFORK 1360AC_CHECK_FUNCS([getauxval getrusage getuid getgid \ 1361 pipe poll pread pread64 pwrite resize_term \ 1362 sbrk setpgid setpgrp setsid \ 1363 sigaction sigprocmask sigsetmask socketpair \ 1364 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \ 1365 setrlimit getrlimit posix_madvise waitpid \ 1366 ptrace64 sigaltstack mkdtemp setns]) 1367AM_LANGINFO_CODESET 1368GDB_AC_COMMON 1369 1370# Check the return and argument types of ptrace. 1371GDB_AC_PTRACE 1372 1373dnl AC_FUNC_SETPGRP does not work when cross compiling 1374dnl Instead, assume we will have a prototype for setpgrp if cross compiling. 1375if test "$cross_compiling" = no; then 1376 AC_FUNC_SETPGRP 1377else 1378 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void, 1379 [AC_TRY_COMPILE([ 1380#include <unistd.h> 1381], [ 1382 if (setpgrp(1,1) == -1) 1383 exit (0); 1384 else 1385 exit (1); 1386], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)]) 1387if test $ac_cv_func_setpgrp_void = yes; then 1388 AC_DEFINE(SETPGRP_VOID, 1) 1389fi 1390fi 1391 1392# Assume we'll default to using the included libiberty regex. 1393gdb_use_included_regex=yes 1394 1395# However, if the system regex is GNU regex, then default to *not* 1396# using the included regex. 1397AC_CACHE_CHECK( 1398 [for GNU regex], 1399 [gdb_cv_have_gnu_regex], 1400 [AC_TRY_COMPILE( 1401 [#include <gnu-versions.h>], 1402 [#define REGEX_INTERFACE_VERSION 1 1403#if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION 1404# error "Version mismatch" 1405#endif], 1406 gdb_cv_have_gnu_regex=yes, 1407 gdb_cv_have_gnu_regex=no)]) 1408if test $gdb_cv_have_gnu_regex = yes; then 1409 gdb_use_included_regex=no 1410fi 1411 1412AC_ARG_WITH(included-regex, 1413 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]), 1414 gdb_with_regex=$withval, 1415 gdb_with_regex=$gdb_use_included_regex) 1416if test "$gdb_with_regex" = yes; then 1417 AC_DEFINE(USE_INCLUDED_REGEX, 1, 1418 [Define to 1 if the regex included in libiberty should be used.]) 1419fi 1420 1421# Check if <sys/proc.h> defines `struct thread' with a td_pcb member. 1422AC_CHECK_MEMBERS([struct thread.td_pcb], [], [], 1423[#include <sys/param.h> 1424#include <sys/proc.h> 1425]) 1426 1427# See if <sys/lwp.h> defines `struct lwp`. 1428AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp, 1429[AC_TRY_COMPILE([#define _KMEMUSER 1430#include <sys/param.h> 1431#include <sys/lwp.h>], [struct lwp l;], 1432gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)]) 1433if test $gdb_cv_struct_lwp = yes; then 1434 AC_DEFINE(HAVE_STRUCT_LWP, 1, 1435 [Define to 1 if your system has struct lwp.]) 1436fi 1437 1438# See if <machine/reg.h> degines `struct reg'. 1439AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg, 1440[AC_TRY_COMPILE([#include <sys/types.h> 1441#include <machine/reg.h>], [struct reg r;], 1442gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)]) 1443if test $gdb_cv_struct_reg = yes; then 1444 AC_DEFINE(HAVE_STRUCT_REG, 1, 1445 [Define to 1 if your system has struct reg in <machine/reg.h>.]) 1446fi 1447 1448# See if <machine/reg.h> supports the %fs and %gs i386 segment registers. 1449# Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'. 1450AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [], 1451 [#include <sys/types.h> 1452#include <machine/reg.h>]) 1453 1454# See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers. 1455# Older amd64 Linux's don't have the fs_base and gs_base members of 1456# `struct user_regs_struct'. 1457AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base], 1458 [], [], [#include <sys/user.h>]) 1459 1460# See if <sys/ptrace.h> provides the PTRACE_GETREGS request. 1461AC_MSG_CHECKING(for PTRACE_GETREGS) 1462AC_CACHE_VAL(gdb_cv_have_ptrace_getregs, 1463[AC_TRY_COMPILE([#include <sys/ptrace.h>], 1464 [PTRACE_GETREGS;], 1465 [gdb_cv_have_ptrace_getregs=yes], 1466 [gdb_cv_have_ptrace_getregs=no])]) 1467AC_MSG_RESULT($gdb_cv_have_ptrace_getregs) 1468if test $gdb_cv_have_ptrace_getregs = yes; then 1469 AC_DEFINE(HAVE_PTRACE_GETREGS, 1, 1470 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.]) 1471fi 1472 1473# See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request. 1474AC_MSG_CHECKING(for PTRACE_GETFPXREGS) 1475AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs, 1476[AC_TRY_COMPILE([#include <sys/ptrace.h>], 1477 [PTRACE_GETFPXREGS;], 1478 [gdb_cv_have_ptrace_getfpxregs=yes], 1479 [gdb_cv_have_ptrace_getfpxregs=no])]) 1480AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs) 1481if test $gdb_cv_have_ptrace_getfpxregs = yes; then 1482 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1, 1483 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.]) 1484fi 1485 1486# See if <sys/ptrace.h> provides the PT_GETDBREGS request. 1487AC_MSG_CHECKING(for PT_GETDBREGS) 1488AC_CACHE_VAL(gdb_cv_have_pt_getdbregs, 1489[AC_TRY_COMPILE([#include <sys/types.h> 1490#include <sys/ptrace.h>], 1491 [PT_GETDBREGS;], 1492 [gdb_cv_have_pt_getdbregs=yes], 1493 [gdb_cv_have_pt_getdbregs=no])]) 1494AC_MSG_RESULT($gdb_cv_have_pt_getdbregs) 1495if test $gdb_cv_have_pt_getdbregs = yes; then 1496 AC_DEFINE(HAVE_PT_GETDBREGS, 1, 1497 [Define if sys/ptrace.h defines the PT_GETDBREGS request.]) 1498fi 1499 1500# See if <sys/ptrace.h> provides the PT_GETXMMREGS request. 1501AC_MSG_CHECKING(for PT_GETXMMREGS) 1502AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs, 1503[AC_TRY_COMPILE([#include <sys/types.h> 1504#include <sys/ptrace.h>], 1505 [PT_GETXMMREGS;], 1506 [gdb_cv_have_pt_getxmmregs=yes], 1507 [gdb_cv_have_pt_getxmmregs=no])]) 1508AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs) 1509if test $gdb_cv_have_pt_getxmmregs = yes; then 1510 AC_DEFINE(HAVE_PT_GETXMMREGS, 1, 1511 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.]) 1512fi 1513 1514# See if <sys/ptrace.h> supports LWP names on FreeBSD 1515# Older FreeBSD versions don't have the pl_tdname member of 1516# `struct ptrace_lwpinfo'. 1517AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [], 1518 [#include <sys/ptrace.h>]) 1519 1520# See if <sys/ptrace.h> supports syscall fields on FreeBSD. The 1521# pl_syscall_code member of `struct ptrace_lwpinfo' was added in 1522# FreeBSD 10.3. 1523AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [], 1524 [#include <sys/ptrace.h>]) 1525 1526# Detect which type of /proc is in use, such as for Solaris. 1527 1528if test "${target}" = "${host}"; then 1529 case "${host}" in 1530 *-*-sysv4.2* | *-*-sysv5* ) 1531 AC_DEFINE(NEW_PROC_API, 1, 1532 [Define if you want to use new multi-fd /proc interface.]) 1533 ;; 1534 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*) 1535 AC_DEFINE(NEW_PROC_API, 1, 1536 [Define if you want to use new multi-fd /proc interface.]) 1537 ;; 1538 esac 1539fi 1540 1541if test "$ac_cv_header_sys_procfs_h" = yes; then 1542 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t) 1543 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t) 1544 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t) 1545 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t) 1546 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t) 1547 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t) 1548 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t) 1549 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t) 1550 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t) 1551 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t) 1552 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t) 1553 1554 1555 dnl Check for broken prfpregset_t type 1556 1557 dnl For Linux/i386, glibc 2.1.3 was released with a bogus 1558 dnl prfpregset_t type (it's a typedef for the pointer to a struct 1559 dnl instead of the struct itself). We detect this here, and work 1560 dnl around it in gdb_proc_service.h. 1561 1562 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then 1563 AC_MSG_CHECKING(whether prfpregset_t type is broken) 1564 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken, 1565 [AC_TRY_RUN([#include <sys/procfs.h> 1566 int main () 1567 { 1568 if (sizeof (prfpregset_t) == sizeof (void *)) 1569 return 1; 1570 return 0; 1571 }], 1572 gdb_cv_prfpregset_t_broken=no, 1573 gdb_cv_prfpregset_t_broken=yes, 1574 gdb_cv_prfpregset_t_broken=yes)]) 1575 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken) 1576 if test $gdb_cv_prfpregset_t_broken = yes; then 1577 AC_DEFINE(PRFPREGSET_T_BROKEN, 1, 1578 [Define if the prfpregset_t type is broken.]) 1579 fi 1580 fi 1581fi 1582 1583# Check if the compiler supports the `long long' type. 1584 1585AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long, 1586 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( 1587[[extern long long foo;]], 1588[[switch (foo & 2) { case 0: return 1; }]])], 1589 gdb_cv_c_long_long=yes, 1590 gdb_cv_c_long_long=no)]) 1591if test $gdb_cv_c_long_long != yes; then 1592 # libdecnumber requires long long. 1593 AC_MSG_ERROR([Compiler must support long long for GDB.]) 1594fi 1595 1596# Check if the compiler and runtime support printing long longs. 1597 1598AC_CACHE_CHECK([for long long support in printf], 1599 gdb_cv_printf_has_long_long, 1600 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 1601[[char buf[32]; 1602 long long l = 0; 1603 l = (l << 16) + 0x0123; 1604 l = (l << 16) + 0x4567; 1605 l = (l << 16) + 0x89ab; 1606 l = (l << 16) + 0xcdef; 1607 sprintf (buf, "0x%016llx", l); 1608 return (strcmp ("0x0123456789abcdef", buf));]])], 1609 gdb_cv_printf_has_long_long=yes, 1610 gdb_cv_printf_has_long_long=no, 1611 gdb_cv_printf_has_long_long=no)]) 1612if test $gdb_cv_printf_has_long_long = yes; then 1613 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1, 1614 [Define to 1 if the "%ll" format works to print long longs.]) 1615fi 1616 1617# Check if the compiler and runtime support printing decfloats. 1618 1619AC_CACHE_CHECK([for decfloat support in printf], 1620 gdb_cv_printf_has_decfloat, 1621 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 1622[[char buf[64]; 1623 _Decimal32 d32 = 1.2345df; 1624 _Decimal64 d64 = 1.2345dd; 1625 _Decimal128 d128 = 1.2345dl; 1626 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128); 1627 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])], 1628 gdb_cv_printf_has_decfloat=yes, 1629 gdb_cv_printf_has_decfloat=no, 1630 gdb_cv_printf_has_decfloat=no)]) 1631if test $gdb_cv_printf_has_decfloat = yes; then 1632 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1, 1633 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.]) 1634fi 1635 1636# Check if the compiler supports the `long double' type. We can't use 1637# AC_C_LONG_DOUBLE because that one does additional checks on the 1638# constants defined in <float.h> that fail on some systems, 1639# e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6. 1640 1641AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double, 1642 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])], 1643 gdb_cv_c_long_double=yes, 1644 gdb_cv_c_long_double=no)]) 1645if test $gdb_cv_c_long_double = yes; then 1646 AC_DEFINE(HAVE_LONG_DOUBLE, 1, 1647 [Define to 1 if the compiler supports long double.]) 1648fi 1649 1650# Check if the compiler and runtime support printing long doubles. 1651 1652AC_CACHE_CHECK([for long double support in printf], 1653 gdb_cv_printf_has_long_double, 1654 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 1655[[char buf[16]; 1656 long double f = 3.141592653; 1657 sprintf (buf, "%Lg", f); 1658 return (strncmp ("3.14159", buf, 7));]])], 1659 gdb_cv_printf_has_long_double=yes, 1660 gdb_cv_printf_has_long_double=no, 1661 gdb_cv_printf_has_long_double=no)]) 1662if test $gdb_cv_printf_has_long_double = yes; then 1663 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1, 1664 [Define to 1 if the "%Lg" format works to print long doubles.]) 1665fi 1666 1667# Check if the compiler and runtime support scanning long doubles. 1668 1669AC_CACHE_CHECK([for long double support in scanf], 1670 gdb_cv_scanf_has_long_double, 1671 [AC_RUN_IFELSE([AC_LANG_PROGRAM( 1672[[#include <stdio.h>]], 1673[[char *buf = "3.141592653"; 1674 long double f = 0; 1675 sscanf (buf, "%Lg", &f); 1676 return !(f > 3.14159 && f < 3.14160);]])], 1677 gdb_cv_scanf_has_long_double=yes, 1678 gdb_cv_scanf_has_long_double=no, 1679 gdb_cv_scanf_has_long_double=no)]) 1680if test $gdb_cv_scanf_has_long_double = yes; then 1681 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1, 1682 [Define to 1 if the "%Lg" format works to scan long doubles.]) 1683fi 1684 1685case ${host_os} in 1686aix*) 1687 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [ 1688 SAVE_LDFLAGS=$LDFLAGS 1689 1690 case $GCC in 1691 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;; 1692 *) gdb_cv_bigtoc=-bbigtoc ;; 1693 esac 1694 1695 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc 1696 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=]) 1697 LDFLAGS="${SAVE_LDFLAGS}" 1698 ]) 1699 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}" 1700 ;; 1701esac 1702 1703AC_MSG_CHECKING(for the dynamic export flag) 1704dynamic_list=false 1705if test "${gdb_native}" = yes; then 1706 # The dynamically loaded libthread_db needs access to symbols in the gdb 1707 # executable. Older GNU ld supports --export-dynamic but --dynamic-list 1708 # may not be supported there. 1709 old_LDFLAGS="$LDFLAGS" 1710 # Older GNU ld supports --export-dynamic but --dynamic-list it does not. 1711 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list" 1712 LDFLAGS="$LDFLAGS $RDYNAMIC" 1713 if test "${have_libpython}" = no; then 1714 AC_TRY_LINK([], [], [dynamic_list=true]) 1715 else 1716 # Workaround http://bugs.python.org/issue4434 where static 1717 # libpythonX.Y.a would get its symbols required for 1718 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list. 1719 # Problem does not happen for the recommended libpythonX.Y.so linkage. 1720 1721 # Note the workaround for Python 1722 # http://bugs.python.org/issue10112 earlier has removed 1723 # -export-dynamic from PYTHON_LIBS. That's exactly what we want 1724 # here too, as otherwise it'd make this -Wl,--dynamic-list test 1725 # always pass. 1726 old_CFLAGS="$CFLAGS" 1727 CFLAGS="$CFLAGS $PYTHON_CFLAGS" 1728 old_LIBS="$LIBS" 1729 LIBS="$LIBS $PYTHON_LIBS" 1730 old_CPPFLAGS="$CPPFLAGS" 1731 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS" 1732 AC_RUN_IFELSE( 1733 AC_LANG_PROGRAM( 1734 [#include "Python.h"], 1735 [int err; 1736 Py_Initialize (); 1737 err = PyRun_SimpleString ("import itertools\n"); 1738 Py_Finalize (); 1739 return err == 0 ? 0 : 1;]), 1740 [dynamic_list=true], [], [true]) 1741 LIBS="$old_LIBS" 1742 CFLAGS="$old_CFLAGS" 1743 CPPFLAGS="$old_CPPFLAGS" 1744 fi 1745 LDFLAGS="$old_LDFLAGS" 1746fi 1747if $dynamic_list; then 1748 found="-Wl,--dynamic-list" 1749 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list' 1750else 1751 found="-rdynamic" 1752 RDYNAMIC="-rdynamic" 1753fi 1754AC_SUBST(RDYNAMIC) 1755AC_MSG_RESULT($found) 1756 1757dnl For certain native configurations, we need to check whether thread 1758dnl support can be built in or not. 1759dnl 1760dnl Note that we only want this if we are both native (host == target), 1761dnl and not doing a canadian cross build (build == host). 1762 1763if test ${build} = ${host} -a ${host} = ${target} ; then 1764 case ${host_os} in 1765 solaris*) 1766 # See if thread_db library is around for Solaris thread debugging. 1767 # Note that we must explicitly test for version 1 of the library 1768 # because version 0 (present on Solaris 2.4 or earlier) doesn't have 1769 # the same API. 1770 AC_MSG_CHECKING(for Solaris thread debugging library) 1771 if test -f /usr/lib/libthread_db.so.1 ; then 1772 AC_MSG_RESULT(yes) 1773 AC_DEFINE(HAVE_THREAD_DB_LIB, 1, 1774 [Define if using Solaris thread debugging.]) 1775 CONFIG_OBS="${CONFIG_OBS} sol-thread.o" 1776 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c" 1777 AC_CHECK_LIB(dl, dlopen) 1778 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC" 1779 # Sun randomly tweaked the prototypes in <proc_service.h> 1780 # at one point. 1781 AC_MSG_CHECKING(if <proc_service.h> is old) 1782 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[ 1783 AC_TRY_COMPILE([ 1784 #include <proc_service.h> 1785 ps_err_e ps_pdwrite 1786 (struct ps_prochandle*, psaddr_t, const void*, size_t); 1787 ],, gdb_cv_proc_service_is_old=no, 1788 gdb_cv_proc_service_is_old=yes) 1789 ]) 1790 AC_MSG_RESULT($gdb_cv_proc_service_is_old) 1791 if test $gdb_cv_proc_service_is_old = yes; then 1792 AC_DEFINE(PROC_SERVICE_IS_OLD, 1, 1793 [Define if <proc_service.h> on solaris uses int instead of 1794 size_t, and assorted other type changes.]) 1795 fi 1796 else 1797 AC_MSG_RESULT(no) 1798 fi 1799 ;; 1800 aix*) 1801 AC_MSG_CHECKING(for AiX thread debugging library) 1802 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug, 1803 [AC_TRY_COMPILE([#include <sys/pthdebug.h>], 1804 [#ifndef PTHDB_VERSION_3 1805 #error 1806 #endif], 1807 gdb_cv_have_aix_thread_debug=yes, 1808 gdb_cv_have_aix_thread_debug=no)]) 1809 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug) 1810 if test $gdb_cv_have_aix_thread_debug = yes; then 1811 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c" 1812 CONFIG_OBS="${CONFIG_OBS} aix-thread.o" 1813 LIBS="$LIBS -lpthdebug" 1814 1815 # Older versions of AIX do not provide the declaration for 1816 # the getthrds function (it appears that it was introduced 1817 # with AIX 6.x). 1818 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]]) 1819 fi 1820 ;; 1821 esac 1822 AC_SUBST(CONFIG_LDFLAGS) 1823fi 1824 1825dnl See if we have a thread_db header file that has TD_NOTALLOC and 1826dnl other error codes. 1827if test "x$ac_cv_header_thread_db_h" = "xyes"; then 1828 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC], 1829 gdb_cv_thread_db_h_has_td_notalloc, 1830 AC_TRY_COMPILE( 1831 [#include <thread_db.h>], 1832 [int i = TD_NOTALLOC;], 1833 gdb_cv_thread_db_h_has_td_notalloc=yes, 1834 gdb_cv_thread_db_h_has_td_notalloc=no 1835 ) 1836 ) 1837 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION], 1838 gdb_cv_thread_db_h_has_td_version, 1839 AC_TRY_COMPILE( 1840 [#include <thread_db.h>], 1841 [int i = TD_VERSION;], 1842 gdb_cv_thread_db_h_has_td_version=yes, 1843 gdb_cv_thread_db_h_has_td_version=no 1844 ) 1845 ) 1846 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS], 1847 gdb_cv_thread_db_h_has_td_notls, 1848 AC_TRY_COMPILE( 1849 [#include <thread_db.h>], 1850 [int i = TD_NOTLS;], 1851 gdb_cv_thread_db_h_has_td_notls=yes, 1852 gdb_cv_thread_db_h_has_td_notls=no 1853 ) 1854 ) 1855fi 1856if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then 1857 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1, 1858 [Define if <thread_db.h> has the TD_NOTALLOC error code.]) 1859fi 1860if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then 1861 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1, 1862 [Define if <thread_db.h> has the TD_VERSION error code.]) 1863fi 1864if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then 1865 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1, 1866 [Define if <thread_db.h> has the TD_NOTLS error code.]) 1867fi 1868 1869dnl Check if we can disable the virtual address space randomization. 1870dnl The functionality of setarch -R. 1871AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>]) 1872define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [ 1873# if !HAVE_DECL_ADDR_NO_RANDOMIZE 1874# define ADDR_NO_RANDOMIZE 0x0040000 1875# endif 1876 /* Test the flag could be set and stays set. */ 1877 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE); 1878 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE)) 1879 return 1])]) 1880AC_RUN_IFELSE([PERSONALITY_TEST], 1881 [have_personality=true], 1882 [have_personality=false], 1883 [AC_LINK_IFELSE([PERSONALITY_TEST], 1884 [have_personality=true], 1885 [have_personality=false])]) 1886if $have_personality 1887then 1888 AC_DEFINE([HAVE_PERSONALITY], 1, 1889 [Define if you support the personality syscall.]) 1890fi 1891 1892dnl Set the host's .gdbinit filename. 1893case $host_os in 1894 go32* | *djgpp*) 1895 gdbinit=gdb.ini 1896 ;; 1897 *) 1898 gdbinit=.gdbinit 1899 ;; 1900esac 1901AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.]) 1902 1903dnl Handle optional features that can be enabled. 1904 1905# Support for --with-sysroot is a copy of GDB_AC_WITH_DIR, 1906# except that the argument to --with-sysroot is optional. 1907# --with-sysroot (or --with-sysroot=yes) sets the default sysroot path. 1908if test "x$with_sysroot" = xyes; then 1909 with_sysroot="${exec_prefix}/${target_alias}/sys-root" 1910fi 1911AC_ARG_WITH(sysroot, 1912 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], 1913 [search for usr/lib et al within DIR]), 1914 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=]) 1915AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT, 1916 [search for usr/lib et al within DIR]) 1917AC_SUBST(TARGET_SYSTEM_ROOT) 1918GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir}) 1919 1920GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit, 1921 [automatically load a system-wide gdbinit file], 1922 []) 1923 1924AM_GDB_WARNINGS 1925 1926# In the Cygwin environment, we need some additional flags. 1927AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin, 1928[AC_EGREP_CPP(^lose$, [ 1929#if defined (__CYGWIN__) || defined (__CYGWIN32__) 1930lose 1931#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])]) 1932 1933 1934dnl Figure out which of the many generic ser-*.c files the _host_ supports. 1935SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o" 1936case ${host} in 1937 *go32* ) SER_HARDWIRE=ser-go32.o ;; 1938 *djgpp* ) SER_HARDWIRE=ser-go32.o ;; 1939 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;; 1940esac 1941AC_SUBST(SER_HARDWIRE) 1942 1943# libreadline needs libuser32.a in a cygwin environment 1944WIN32LIBS= 1945if test x$gdb_cv_os_cygwin = xyes; then 1946 WIN32LIBS="-luser32" 1947 case "${target}" in 1948 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp" 1949 ;; 1950 esac 1951fi 1952 1953# The ser-tcp.c module requires sockets. 1954case ${host} in 1955 *mingw32*) 1956 AC_DEFINE(USE_WIN32API, 1, 1957 [Define if we should use the Windows API, instead of the 1958 POSIX API. On Windows, we use the Windows API when 1959 building for MinGW, but the POSIX API when building 1960 for Cygwin.]) 1961 WIN32LIBS="$WIN32LIBS -lws2_32" 1962 ;; 1963esac 1964AC_SUBST(WIN32LIBS) 1965 1966# Add ELF support to GDB, but only if BFD includes ELF support. 1967GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf, 1968 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h) 1969if test $gdb_cv_var_elf = yes; then 1970 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o" 1971 AC_DEFINE(HAVE_ELF, 1, 1972 [Define if ELF support should be included.]) 1973 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>. 1974 if test "$plugins" = "yes"; then 1975 AC_SEARCH_LIBS(dlopen, dl) 1976 fi 1977fi 1978 1979# Add macho support to GDB, but only if BFD includes it. 1980GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho, 1981 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h) 1982if test $gdb_cv_var_macho = yes; then 1983 CONFIG_OBS="$CONFIG_OBS machoread.o" 1984fi 1985 1986# Add any host-specific objects to GDB. 1987CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}" 1988 1989# If building on ELF, look for lzma support for embedded compressed debug info. 1990if test $gdb_cv_var_elf = yes; then 1991 AC_ARG_WITH(lzma, 1992 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]), 1993 [], [with_lzma=auto]) 1994 AC_MSG_CHECKING([whether to use lzma]) 1995 AC_MSG_RESULT([$with_lzma]) 1996 1997 if test "${with_lzma}" != no; then 1998 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"], 1999 [lzma_index_iter iter; 2000 lzma_index_iter_init (&iter, 0); 2001 lzma_mf_is_supported (LZMA_MF_HC3);]) 2002 if test "$HAVE_LIBLZMA" != yes; then 2003 if test "$with_lzma" = yes; then 2004 AC_MSG_ERROR([missing liblzma for --with-lzma]) 2005 fi 2006 fi 2007 fi 2008fi 2009 2010LIBGUI="../libgui/src/libgui.a" 2011GUI_CFLAGS_X="-I${srcdir}/../libgui/src" 2012AC_SUBST(LIBGUI) 2013AC_SUBST(GUI_CFLAGS_X) 2014 2015WIN32LDAPP= 2016AC_SUBST(WIN32LIBS) 2017AC_SUBST(WIN32LDAPP) 2018 2019case "${host}" in 2020*-*-cygwin* | *-*-mingw* ) 2021 configdir="win" 2022 ;; 2023*) 2024 configdir="unix" 2025 ;; 2026esac 2027 2028GDBTKLIBS= 2029if test "${enable_gdbtk}" = "yes"; then 2030 2031 # Gdbtk must have an absolute path to srcdir in order to run 2032 # properly when not installed. 2033 here=`pwd` 2034 cd ${srcdir} 2035 GDBTK_SRC_DIR=`pwd` 2036 cd $here 2037 2038 SC_PATH_TCLCONFIG 2039 2040 # If $no_tk is nonempty, then we can't do Tk, and there is no 2041 # point to doing Tcl. 2042 SC_PATH_TKCONFIG 2043 2044 if test -z "${no_tcl}" -a -z "${no_tk}"; then 2045 SC_LOAD_TCLCONFIG 2046 2047 # Check for in-tree tcl 2048 here=`pwd` 2049 cd ${srcdir}/.. 2050 topdir=`pwd` 2051 cd ${here} 2052 2053 intree="no" 2054 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then 2055 intree="yes" 2056 fi 2057 2058 # Find Tcl private headers 2059 if test x"${intree}" = xno; then 2060 CY_AC_TCL_PRIVATE_HEADERS 2061 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}" 2062 TCL_LIBRARY="${TCL_LIB_SPEC}" 2063 TCL_DEPS="" 2064 else 2065 # If building tcl in the same src tree, private headers 2066 # are not needed, but we need to be sure to use the right 2067 # headers library 2068 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic" 2069 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}" 2070 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}" 2071 fi 2072 AC_SUBST(TCL_INCLUDE) 2073 AC_SUBST(TCL_LIBRARY) 2074 AC_SUBST(TCL_DEPS) 2075 2076 SC_LOAD_TKCONFIG 2077 2078 # Check for in-tree Tk 2079 intree="no" 2080 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then 2081 intree="yes" 2082 fi 2083 2084 # Find Tk private headers 2085 if test x"${intree}" = xno; then 2086 CY_AC_TK_PRIVATE_HEADERS 2087 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}" 2088 TK_LIBRARY=${TK_LIB_SPEC} 2089 TK_DEPS="" 2090 else 2091 TK_INCLUDE="-I${TK_SRC_DIR}/generic" 2092 TK_LIBRARY="${TK_BUILD_LIB_SPEC}" 2093 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}" 2094 fi 2095 AC_SUBST(TK_INCLUDE) 2096 AC_SUBST(TK_LIBRARY) 2097 AC_SUBST(TK_DEPS) 2098 AC_SUBST(TK_XINCLUDES) 2099 2100 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)" 2101 2102 # Include some libraries that Tcl and Tk want. 2103 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)' 2104 # Yes, the ordering seems wrong here. But it isn't. 2105 # TK_LIBS is the list of libraries that need to be linked 2106 # after Tcl/Tk. Note that this isn't put into LIBS. If it 2107 # were in LIBS then any link tests after this point would 2108 # try to include things like `$(LIBGUI)', which wouldn't work. 2109 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}" 2110 2111 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)" 2112 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)" 2113 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)" 2114 CONFIG_ALL="${CONFIG_ALL} all-gdbtk" 2115 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk" 2116 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk" 2117 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk" 2118 2119 if test x$gdb_cv_os_cygwin = xyes; then 2120 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32" 2121 WIN32LDAPP="-Wl,--subsystem,console" 2122 CONFIG_OBS="${CONFIG_OBS} gdbres.o" 2123 fi 2124 2125 AC_CONFIG_SUBDIRS(gdbtk) 2126 fi 2127fi 2128 2129AC_SUBST(X_CFLAGS) 2130AC_SUBST(X_LDFLAGS) 2131AC_SUBST(X_LIBS) 2132AC_SUBST(GDBTKLIBS) 2133AC_SUBST(GDBTK_CFLAGS) 2134AC_SUBST(GDBTK_SRC_DIR) 2135 2136AC_PATH_X 2137 2138# Unlike the sim directory, whether a simulator is linked is controlled by 2139# presence of a gdb_sim definition in the target configure.tgt entry. 2140# This code just checks for a few cases where we'd like to ignore those 2141# definitions, even when they're present in the '.mt' file. These cases 2142# are when --disable-sim is specified, or if the simulator directory is 2143# not part of the source tree. 2144# 2145AC_ARG_ENABLE(sim, 2146AS_HELP_STRING([--enable-sim], [link gdb with simulator]), 2147[echo "enable_sim = $enable_sim"; 2148 echo "enableval = ${enableval}"; 2149 case "${enableval}" in 2150 yes) ignore_sim=false ;; 2151 no) ignore_sim=true ;; 2152 *) ignore_sim=false ;; 2153 esac], 2154[ignore_sim=false]) 2155 2156if test ! -d "${srcdir}/../sim"; then 2157 ignore_sim=true 2158fi 2159 2160SIM= 2161SIM_OBS= 2162if test "${ignore_sim}" = "false"; then 2163 if test x"${gdb_sim}" != x ; then 2164 SIM="${gdb_sim}" 2165 SIM_OBS="remote-sim.o" 2166 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.]) 2167 2168 # Some tdep code should only be compiled in when the ppc sim is 2169 # built. PR sim/13418. 2170 case $target in 2171 powerpc*-*-*) 2172 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.]) 2173 ;; 2174 esac 2175 fi 2176fi 2177AC_SUBST(SIM) 2178AC_SUBST(SIM_OBS) 2179 2180AC_SUBST(ENABLE_CFLAGS) 2181AC_SUBST(PROFILE_CFLAGS) 2182 2183AC_SUBST(CONFIG_OBS) 2184AC_SUBST(CONFIG_DEPS) 2185AC_SUBST(CONFIG_SRCS) 2186AC_SUBST(CONFIG_ALL) 2187AC_SUBST(CONFIG_CLEAN) 2188AC_SUBST(CONFIG_INSTALL) 2189AC_SUBST(CONFIG_UNINSTALL) 2190 2191# List of host floatformats. 2192AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat]) 2193AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat]) 2194AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat]) 2195 2196# target_subdir is used by the testsuite to find the target libraries. 2197target_subdir= 2198if test "${host}" != "${target}"; then 2199 target_subdir="${target_alias}/" 2200fi 2201AC_SUBST(target_subdir) 2202 2203frags= 2204if test "${gdb_native}" = "yes"; then 2205 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh 2206 if test ! -f ${host_makefile_frag}; then 2207 AC_MSG_ERROR("*** Gdb does not support native target ${host}") 2208 fi 2209 frags="$frags $host_makefile_frag" 2210else 2211 host_makefile_frag=/dev/null 2212fi 2213 2214AC_SUBST_FILE(host_makefile_frag) 2215AC_SUBST(frags) 2216 2217changequote(,)dnl 2218if test "${gdb_native}" = "yes"; then 2219# We pick this up from the host configuration file (.mh) because we 2220# do not have a native configuration Makefile fragment. 2221nativefile=`sed -n ' 2222s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p 2223' ${host_makefile_frag}` 2224fi 2225changequote([,]) 2226 2227if test x"${gdb_osabi}" != x ; then 2228 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi, 2229 [Define to the default OS ABI for this configuration.]) 2230fi 2231 2232# Enable multi-ice-gdb-server. 2233AC_ARG_ENABLE(multi-ice, 2234AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]), 2235 [case $enableval in 2236 yes | no) 2237 ;; 2238 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;; 2239 esac]) 2240if test "x$enable_multi_ice" = xyes; then 2241 AC_CONFIG_SUBDIRS(multi-ice) 2242fi 2243 2244AC_ARG_ENABLE(gdbserver, 2245AS_HELP_STRING([--enable-gdbserver], 2246 [automatically build gdbserver (yes/no/auto, default is auto)]), 2247[case "${enableval}" in 2248 yes| no|auto) ;; 2249 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;; 2250esac],[enable_gdbserver=auto]) 2251 2252# We only build gdbserver automatically in a native configuration, and 2253# only if the user did not explicitly disable its build. 2254if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then 2255 AC_MSG_CHECKING(whether gdbserver is supported on this host) 2256 if test "x$build_gdbserver" = xyes; then 2257 AC_MSG_RESULT(yes) 2258 AC_CONFIG_SUBDIRS(gdbserver) 2259 gdbserver_build_enabled=yes 2260 else 2261 AC_MSG_RESULT(no) 2262 fi 2263fi 2264 2265# If the user explicitly request the gdbserver to be built, verify that 2266# we were in fact able to enable it. 2267if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then 2268 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration) 2269fi 2270 2271# Check for babeltrace and babeltrace-ctf 2272AC_ARG_WITH(babeltrace, 2273 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]), 2274 [], [with_babeltrace=auto]) 2275AC_MSG_CHECKING([whether to use babeltrace]) 2276AC_MSG_RESULT([$with_babeltrace]) 2277 2278if test "x$with_babeltrace" = "xno"; then 2279 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.]) 2280else 2281 # Append -Werror to CFLAGS so that configure can catch the warning 2282 # "assignment from incompatible pointer type", which is related to 2283 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works 2284 # in GDB, while babeltrace 1.0.3 is broken. 2285 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be 2286 # safe to save and restore CFLAGS here. 2287 saved_CFLAGS=$CFLAGS 2288 CFLAGS="$CFLAGS -Werror" 2289 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf], 2290 [#include <babeltrace/babeltrace.h> 2291 #include <babeltrace/ctf/events.h> 2292 #include <babeltrace/ctf/iterator.h>], 2293 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL)); 2294 struct bt_ctf_event *event = NULL; 2295 const struct bt_definition *scope; 2296 2297 pos->type = BT_SEEK_BEGIN; 2298 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos); 2299 scope = bt_ctf_get_top_level_scope (event, 2300 BT_STREAM_EVENT_HEADER); 2301 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id")); 2302 ]) 2303 CFLAGS=$saved_CFLAGS 2304 2305 if test "$HAVE_LIBBABELTRACE" != yes; then 2306 if test "$with_babeltrace" = yes; then 2307 AC_MSG_ERROR([babeltrace is missing or unusable]) 2308 else 2309 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.]) 2310 fi 2311 fi 2312fi 2313 2314# If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link 2315# to an empty version. 2316 2317files= 2318links= 2319 2320rm -f nm.h 2321if test "${nativefile}" != ""; then 2322 case "${nativefile}" in 2323 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;; 2324 * ) GDB_NM_FILE="${nativefile}" 2325 esac 2326 files="${files} ${GDB_NM_FILE}" 2327 links="${links} nm.h" 2328 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile]) 2329fi 2330AC_SUBST(GDB_NM_FILE) 2331 2332dnl Add dependency for xsltproc if building with maintainer-mode enabled. 2333AC_PATH_PROGS(XSLTPROC, xsltproc, missing) 2334if test "x$USE_MAINTAINER_MODE" = xyes; then 2335 if test "${XSLTPROC}" = missing; then 2336 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.) 2337 fi 2338fi 2339AC_SUBST(XSLTPROC) 2340 2341AC_LINK_FILES($files, $links) 2342 2343dnl Check for exe extension set on certain hosts (e.g. Win32) 2344AC_EXEEXT 2345 2346dnl Detect the character set used by this host. 2347dnl At the moment, we just assume it's UTF-8. 2348AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8", 2349 [Define to be a string naming the default host character set.]) 2350 2351if $development; then 2352 AC_DEFINE(GDB_SELF_TEST, 1, 2353 [Define if self-testing features should be enabled]) 2354 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS)" 2355 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS)" 2356fi 2357 2358GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME]) 2359GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME]) 2360AC_CONFIG_FILES([gcore], [chmod +x gcore]) 2361AC_CONFIG_FILES([Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile], 2362[ 2363case x$CONFIG_HEADERS in 2364xconfig.h:config.in) 2365echo > stamp-h ;; 2366esac 2367]) 2368 2369AC_OUTPUT 2370