dnl Autoconf configure script for GDB, the GNU debugger.
-dnl Copyright (C) 1995-2014 Free Software Foundation, Inc.
+dnl Copyright (C) 1995-2015 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
dnl
. $srcdir/../bfd/development.sh
AC_PROG_CC
+AC_PROG_CXX
+
AC_USE_SYSTEM_EXTENSIONS
ACX_LARGEFILE
AM_PROG_CC_STDC
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM
+# See if we are building with C++, and substitute COMPILER.
+GDB_AC_BUILD_WITH_CXX
+
# Dependency checking.
ZW_CREATE_DEPDIR
ZW_PROG_COMPILER_DEPENDENCIES([CC])
AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
AC_PROG_MAKE_SET
+gnulib_extra_configure_args=
+# If large-file support is disabled, make sure gnulib does the same.
+if test "$enable_largefile" = no; then
+gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile"
+fi
+
# Configure gnulib. We need to build gnulib under some other
# directory not "gnulib", to avoid the problem of both GDB and
# GDBserver wanting to build it in the same directory, when building
# in the source dir.
-ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
+ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"],
+ ["$gnulib_extra_configure_args"])
dnl List of object files and targets accumulated by configure.
. $srcdir/configure.host
+# Add in the common host objects.
+. $srcdir/common/common.host
+gdb_host_obs="$gdb_host_obs $common_host_obs"
+
# Accumulate some settings from configure.tgt over all enabled targets
TARGET_OBS=
# Link in zlib if we can. This allows us to read compressed debug sections.
AM_ZLIB
-# On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
-AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
+# On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
+AC_SEARCH_LIBS(kinfo_getvmmap, util,
+ [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
+ [Define to 1 if your system has the kinfo_getvmmap function. ])])
AM_ICONV
GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
])
-# On alpha-osf, it appears that libtermcap and libcurses are not compatible.
-# There is a very specific comment in /usr/include/curses.h explaining that
-# termcap routines built into libcurses must not be used.
-#
-# The symptoms we observed so far is GDB unexpectedly changing
-# the terminal settings when tgetent is called - this is particularly
-# visible as the output is missing carriage returns, and so rapidly
-# becomes very hard to read.
-#
-# The readline configure script has already decided that libtermcap
-# was enough for its purposes, and so decided to build readline using
-# libtermcap. Since the TUI mode requires curses, building GDB with
-# TUI enabled results in both libraries to be used at the same time,
-# which is not allowed. This basically means that GDB with TUI is
-# broken on alpha-osf.
-
-case $host_os in
- osf* )
- if test x"$enable_tui" = xyes; then
- AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
- fi
- if test x"$enable_tui" = xauto; then
- enable_tui=no
- fi
- ;;
-esac
-
# For the TUI, we need enhanced curses functionality.
if test x"$enable_tui" != xno; then
prefer_curses=yes
go32* | *djgpp*)
ac_cv_search_tgetent="none required"
;;
- *mingw32*)
- ac_cv_search_tgetent="none required"
- CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
- ;;
esac
# These are the libraries checked by Readline.
AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
if test "$ac_cv_search_tgetent" = no; then
- AC_MSG_ERROR([no termcap library found])
+ CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
fi
AC_ARG_WITH([system-readline],
AC_MSG_RESULT(${PYTHON_CFLAGS})
fi
- # On IRIX, type siginfo is not defined. Instead, sys/siginfo.h provides:
- # #if _SGIAPI
- # #define siginfo __siginfo
- # #endif
- # The problem is that including Python causes some XOPEN macros to be
- # unilaterally defined, and that in turn causes _SGIAPI to evaluate
- # to false. So, we work around this issue by defining siginfo ourself
- # though the command-line.
- #
# On x64 Windows, Python's include headers, and pyconfig.h in
# particular, rely on MS_WIN64 macro to detect that it's a 64bit
# version of Windows. Unfortunately, MS_WIN64 is only defined if
# solved as of 2012-10-02 (http://bugs.python.org/issue4709).
case "$gdb_host" in
- irix*) if test "${GCC}" = yes; then
- CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
- fi
- ;;
mingw64)
if test "${GCC}" = yes; then
CPPFLAGS="$CPPFLAGS -DMS_WIN64"
AC_SUBST(PYTHON_CFLAGS)
AC_SUBST(PYTHON_CPPFLAGS)
AC_SUBST(PYTHON_LIBS)
+AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
# -------------------- #
# Check for libguile. #
GUILE_CPPFLAGS=$new_CPPFLAGS
GUILE_LIBS=$new_LIBS],
[found_usable_guile=no])
+ dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
+ AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
+ AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
+ [Define if Guile supports manual finalization.])
+ )
CPPFLAGS=$save_CPPFLAGS
LIBS=$save_LIBS
if test "${found_usable_guile}" = no; then
dnl pkg-config --exists $version
dnl pkg-config --cflags $version
dnl pkg-config --libs $version
-dnl $version will be the default guile version (currently guile-2.0),
-dnl but the program is free to ignore this.
+dnl pkg-config --variable guild $version
+dnl The script will be called with $version having each value in
+dnl $try_guile_versions until --exists indicates success.
AC_ARG_WITH(guile,
AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
;;
esac
+if test "${have_libguile}" != no; then
+ dnl Get the name of the 'guild' program.
+ case "${with_guile}" in
+ [[\\/]]* | ?:[[\\/]]*)
+ GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
+ ;;
+ *)
+ GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
+ ;;
+ esac
+
+ dnl Make sure guild can handle this host.
+ GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
+ dnl If not, disable guile support.
+ if test "$ac_cv_guild_ok" = no; then
+ have_libguile=no
+ AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
+ fi
+fi
+
if test "${have_libguile}" != no; then
AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
fi
AC_SUBST(GUILE_CPPFLAGS)
AC_SUBST(GUILE_LIBS)
-
-# PR 17185, see if we can get the libgc version to see if we need
-# to apply the workaround.
-AC_CHECK_HEADERS(gc/gc.h)
-AC_CHECK_FUNCS([setenv])
+AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
# --------------------- #
# Check for libmcheck. #
# Checks for declarations. #
# ------------------------- #
+libiberty_INIT
+
AC_CHECK_DECLS([free, malloc, realloc, snprintf])
AM_LC_MESSAGES
# Checks for library functions. #
# ------------------------------ #
-AC_FUNC_ALLOCA
AC_FUNC_MMAP
AC_FUNC_VFORK
-AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
- pipe poll pread pread64 pwrite readlink resize_term \
+AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
+ pipe poll pread pread64 pwrite resize_term \
sbrk setpgid setpgrp setsid \
sigaction sigprocmask sigsetmask socketpair \
ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
- setrlimit getrlimit posix_madvise waitpid lstat \
- ptrace64 sigaltstack])
+ setrlimit getrlimit posix_madvise waitpid \
+ ptrace64 sigaltstack mkdtemp setns])
AM_LANGINFO_CODESET
GDB_AC_COMMON
fi
fi
-# Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
-# since sigsetjmp might only be defined as a macro.
-AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
-[AC_TRY_COMPILE([
-#include <setjmp.h>
-], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
-gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
-if test $gdb_cv_func_sigsetjmp = yes; then
- AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
-fi
-
# Assume we'll default to using the included libiberty regex.
gdb_use_included_regex=yes
*) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
esac])
-# Enable -Werror by default when using gcc. Turn it off for releases.
-if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then
+# Enable -Werror by default when using gcc in C mode. Leave it off
+# for C++ until we're warning clean. Turn it off for releases.
+if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" \
+ && test x"$enable_build_with_cxx" != x"yes" \
+ && $development; then
ERROR_ON_WARNING=yes
fi
WERROR_CFLAGS="-Werror"
fi
-build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
--Wpointer-sign \
+# These options work in either C or C++ modes.
+build_warnings="-Wall -Wpointer-arith \
-Wno-unused -Wunused-value -Wunused-function \
--Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
--Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
+-Wno-switch -Wno-char-subscripts \
+-Wempty-body"
+
+# Now add in C and C++ specific options, depending on mode.
+if test "$enable_build_with_cxx" = "yes"; then
+ build_warnings="$build_warnings -Wno-sign-compare -Wno-write-strings \
+-Wno-narrowing"
+else
+ build_warnings="$build_warnings -Wpointer-sign -Wmissing-prototypes \
+-Wdeclaration-after-statement -Wmissing-parameter-type \
-Wold-style-declaration -Wold-style-definition"
+fi
# Enable -Wno-format by default when using gcc on mingw since many
# GCC versions complain about %I64.
if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
fi])dnl
+
+# The set of warnings supported by a C++ compiler is not the same as
+# of the C compiler.
+if test "$enable_build_with_cxx" = "yes"; then
+ AC_LANG_PUSH([C++])
+fi
+
WARN_CFLAGS=""
if test "x${build_warnings}" != x -a "x$GCC" = xyes
then
for w in ${build_warnings}; do
case $w in
-Werr*) WERROR_CFLAGS=-Werror ;;
- *) # Check that GCC accepts it
+ *)
+ # Check whether GCC accepts it.
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $w"
+ saved_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS $w"
AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
CFLAGS="$saved_CFLAGS"
+ CXXFLAGS="$saved_CXXFLAGS"
esac
done
AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
AC_SUBST(WARN_CFLAGS)
AC_SUBST(WERROR_CFLAGS)
+if test "$enable_build_with_cxx" = "yes"; then
+ AC_LANG_POP([C++])
+fi
+
# In the Cygwin environment, we need some additional flags.
AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
[AC_EGREP_CPP(^lose$, [
GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
[bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
if test $gdb_cv_var_elf = yes; then
- CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o"
+ CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
AC_DEFINE(HAVE_ELF, 1,
[Define if ELF support should be included.])
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
CONFIG_OBS="$CONFIG_OBS machoread.o"
fi
-# Add SOM support to GDB, but only if BFD includes it.
-GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som,
- [bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h)
-if test $gdb_cv_var_som = yes; then
- CONFIG_OBS="$CONFIG_OBS somread.o"
-fi
-
# Add any host-specific objects to GDB.
CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
struct bt_ctf_event *event = NULL;
const struct bt_definition *scope;
+ bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
scope = bt_ctf_get_top_level_scope (event,
BT_STREAM_EVENT_HEADER);
bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
[Define to be a string naming the default host character set.])
-# Undo the $ec_script escaping suitable for Makefile.
-transform=`echo "$program_transform_name" | sed -e 's/[\\$][\\$]/\\$/g'`
-GDB_TRANSFORM_NAME=`echo gdb | sed -e "$transform"`
-if test "x$GDB_TRANSFORM_NAME" = x; then
- GDB_TRANSFORM_NAME=gdb
-fi
-AC_SUBST(GDB_TRANSFORM_NAME)
-GCORE_TRANSFORM_NAME=`echo gcore | sed -e "$transform"`
-if test "x$GCORE_TRANSFORM_NAME" = x; then
- GCORE_TRANSFORM_NAME=gcore
-fi
-AC_SUBST(GCORE_TRANSFORM_NAME)
+GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
+GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
AC_CONFIG_FILES([gcore], [chmod +x gcore])
AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
projects / deliverable / binutils-gdb.git / blobdiff