binutils-gdb/gdb/configure.in

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dnl Autoconf configure script for GDB, the GNU debugger.
dnl Copyright 1995, 1996 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.5)dnl
AC_INIT(main.c)
AC_CONFIG_HEADER(config.h:config.in)
AC_PROG_CC
AC_AIX
AC_MINIX
AC_ISC_POSIX
DLLTOOL=${DLLTOOL-dlltool}
AC_SUBST(DLLTOOL)
AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
AC_CANONICAL_SYSTEM
dnl List of object files added by configure.
CONFIG_OBS=
configdirs="doc testsuite"
dnl
changequote(,)dnl
. ${srcdir}/configure.host
. ${srcdir}/configure.tgt
dnl
changequote([,])dnl
AC_PROG_INSTALL
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_PROG_YACC
AC_PROG_AWK
AC_ARG_PROGRAM
AC_TYPE_SIGNAL
AC_HEADER_STDC
AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
AC_HEADER_STAT
AC_C_CONST
AC_CHECK_FUNCS(setpgid sbrk select poll)
# If we are configured native on Linux, work around problems with sys/procfs.h
if test "${target}" = "${host}"; then
case "${host}" in
i[3456]86-*-linux*)
AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,"2")
AC_DEFINE(sys_quotactl)
;;
esac
fi
AC_MSG_CHECKING([for gregset_t type])
AC_CACHE_VAL(gdb_cv_have_gregset_t,
[AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
AC_MSG_RESULT($gdb_cv_have_gregset_t)
if test $gdb_cv_have_gregset_t = yes; then
AC_DEFINE(HAVE_GREGSET_T)
fi
AC_MSG_CHECKING([for fpregset_t type])
AC_CACHE_VAL(gdb_cv_have_fpregset_t,
[AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
AC_MSG_RESULT($gdb_cv_have_fpregset_t)
if test $gdb_cv_have_fpregset_t = yes; then
AC_DEFINE(HAVE_FPREGSET_T)
fi
dnl See if host has libm. This is usually needed by simulators.
AC_CHECK_LIB(m, main)
dnl See if compiler supports "long long" type.
AC_MSG_CHECKING(for long long support in compiler)
AC_CACHE_VAL(gdb_cv_c_long_long,
[AC_TRY_COMPILE(, [
extern long long foo;
switch (foo & 2) { case 0: return 1; }
],
gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
AC_MSG_RESULT($gdb_cv_c_long_long)
if test $gdb_cv_c_long_long = yes; then
AC_DEFINE(CC_HAS_LONG_LONG)
fi
dnl See if the compiler and runtime support printing long long
AC_MSG_CHECKING(for long long support in printf)
AC_CACHE_VAL(gdb_cv_printf_has_long_long,
[AC_TRY_RUN([
int main () {
char buf[16];
long long l = 0x12345;
sprintf (buf, "%llx", l);
return (strcmp ("12345", buf));
}],
gdb_cv_printf_has_long_long=yes,
gdb_cv_printf_has_long_long=no,
gdb_cv_printf_has_long_long=no)])
if test $gdb_cv_printf_has_long_long = yes; then
AC_DEFINE(PRINTF_HAS_LONG_LONG)
fi
AC_MSG_RESULT($gdb_cv_printf_has_long_long)
dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
dnl because autoconf complains about cross-compilation issues. However, this
dnl code uses the same variables as the macro for compatibility.
AC_MSG_CHECKING(for long double support in compiler)
AC_CACHE_VAL(ac_cv_c_long_double,
[AC_TRY_COMPILE(, [long double foo;],
ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
AC_MSG_RESULT($ac_cv_c_long_double)
if test $ac_cv_c_long_double = yes; then
AC_DEFINE(HAVE_LONG_DOUBLE)
fi
dnl See if the compiler and runtime support printing long doubles
AC_MSG_CHECKING(for long double support in printf)
AC_CACHE_VAL(gdb_cv_printf_has_long_double,
[AC_TRY_RUN([
int main () {
char buf[16];
long double f = 3.141592653;
sprintf (buf, "%Lg", f);
return (strncmp ("3.14159", buf, 7));
}],
gdb_cv_printf_has_long_double=yes,
gdb_cv_printf_has_long_double=no,
gdb_cv_printf_has_long_double=no)])
if test $gdb_cv_printf_has_long_double = yes; then
AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
fi
AC_MSG_RESULT($gdb_cv_printf_has_long_double)
AC_FUNC_MMAP
BFD_NEED_DECLARATION(malloc)
BFD_NEED_DECLARATION(realloc)
BFD_NEED_DECLARATION(free)
dnl See if thread_db library is around for Solaris thread debugging. Note that
dnl we must explicitly test for version 1 of the library because version 0
dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
dnl Note that we only want this if we are both native (host == target), and
dnl not doing a canadian cross build (build == host).
if test ${build} = ${host} -a ${host} = ${target} ; then
case ${host_os} in
hpux*)
AC_MSG_CHECKING(for HPUX/OSF thread support)
if test -f /usr/include/dce/cma_config.h ; then
if test "$GCC" = "yes" ; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
else
AC_MSG_RESULT(no (suppressed because you are not using GCC))
fi
else
AC_MSG_RESULT(no)
fi
;;
solaris*)
AC_MSG_CHECKING(for Solaris thread debugging library)
if test -f /usr/lib/libthread_db.so.1 ; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_THREAD_DB_LIB)
CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
AC_CHECK_LIB(dl, dlopen)
if test "$GCC" = "yes" ; then
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
fi
else
AC_MSG_RESULT(no)
fi
;;
esac
AC_SUBST(CONFIG_LDFLAGS)
fi
dnl Handle optional features that can be enabled.
ENABLE_CFLAGS=
AC_ARG_ENABLE(netrom,
[ --enable-netrom ],
[case "${enableval}" in
yes) enable_netrom=yes ;;
no) enable_netrom=no ;;
*) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
esac])
if test "${enable_netrom}" = "yes"; then
CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
fi
# start-sanitize-gm
ENABLE_GM=
AC_ARG_ENABLE(gm,
[ --enable-gm ],
[case "${enableval}" in
yes) CONFIG_OBS="${CONFIG_OBS} gmagic.o"
ENABLE_CFLAGS=-DGENERAL_MAGIC
;;
no) ;;
*) AC_MSG_ERROR(bad value ${enableval} given for gm option) ;;
esac])
# end-sanitize-gm
# start-sanitize-gdbtk
ENABLE_IDE=
AC_ARG_ENABLE(ide, [ --enable-ide Enable IDE support])
if test "$enable_ide" = yes; then
enable_ide=yes
ENABLE_IDE=1
else
enable_ide=no
fi
AC_SUBST(ENABLE_IDE)
ENABLE_GDBTK=
AC_ARG_ENABLE(gdbtk,
[ --enable-gdbtk ],
[case "${enableval}" in
yes)
case "$host" in
*go32*)
AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
enable_gdbtk=no ;;
*windows*)
AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
enable_gdbtk=no ;;
*)
enable_gdbtk=yes ;;
esac ;;
no)
enable_gdbtk=no ;;
*)
AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
esac],
[
# Default is on for everything but go32 and cygwin32
case "$host" in
*go32* | *windows*)
;;
*)
enable_gdbtk=yes ;;
esac
])
# In the cygwin32 environment, we need some additional flags.
AC_CACHE_CHECK([for cygwin32], gdb_cv_os_cygwin32,
[AC_EGREP_CPP(lose, [
#ifdef __CYGWIN32__
lose
#endif],[gdb_cv_os_cygwin32=yes],[gdb_cv_os_cygwin32=no])])
WIN32LIBS=
WIN32LDAPP=
AC_SUBST(WIN32LIBS)
AC_SUBST(WIN32LDAPP)
if test x$gdb_cv_os_cygwin32 = xyes; then
if test x$enable_ide = xyes; then
WIN32LIBS="-ladvapi32"
fi
fi
configdir="unix"
if test "${enable_gdbtk}" = "yes"; then
CY_AC_PATH_TCLCONFIG
if test -z "${no_tcl}"; then
CY_AC_LOAD_TCLCONFIG
CY_AC_PATH_TKCONFIG
# If $no_tk is nonempty, then we can't do Tk, and there is no
# point to doing Tcl.
if test -z "${no_tk}"; then
CY_AC_LOAD_TKCONFIG
CY_AC_PATH_TCLH
CY_AC_PATH_TKH
CY_AC_PATH_ITCLH
CY_AC_PATH_TIX
# now look for tix library stuff
TIXVERSION=4.1.8.0
. ${ac_cv_c_tclconfig}/tclConfig.sh
case "${host}" in
*-*-cygwin32*)
tixdir=../tix/win/tcl8.0
;;
*)
tixdir=../tix/unix/tk8.0
;;
esac
if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
TIXLIB="-L${tixdir} -ltix${TIXVERSION}"
else
TIXLIB="-L${tixdir} -ltix`echo ${TIXVERSION} | tr -d .`"
fi
ENABLE_GDBTK=1
# Include some libraries that Tcl and Tk want.
if test "${enable_ide}" = "yes"; then
TCL_LIBS='$(IDE) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
else
TCL_LIBS='$(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
fi
# Yes, the ordering seems wrong here. But it isn't.
# TK_LIBS is the list of libraries that need to be linked
# after Tcl/Tk.
LIBS="${LIBS} ${TCL_LIBS} ${TK_LIBS}"
CONFIG_OBS="${CONFIG_OBS} gdbtk.o"
if test x$gdb_cv_os_cygwin32 = xyes; then
WIN32LIBS="${WIN32LIBS} -luser32"
WIN32LDAPP="-Wl,--subsystem,windows"
fi
fi
fi
fi
AC_SUBST(ENABLE_GDBTK)
AC_SUBST(X_CFLAGS)
AC_SUBST(X_LDFLAGS)
AC_SUBST(X_LIBS)
AC_SUBST(TIXLIB)
# end-sanitize-gdbtk
AC_SUBST(ENABLE_CFLAGS)
AC_SUBST(CONFIG_OBS)
# Begin stuff to support --enable-shared
AC_ARG_ENABLE(shared,
[ --enable-shared use shared libraries],
[case "${enableval}" in
yes) shared=true ;;
no) shared=false ;;
*) shared=true ;;
esac])dnl
HLDFLAGS=
HLDENV=
# If we have shared libraries, try to set rpath reasonably.
if test "${shared}" = "true"; then
case "${host}" in
*-*-hpux*)
HLDFLAGS='-Wl,+s,+b,$(libdir)'
;;
*-*-irix5* | *-*-irix6*)
HLDFLAGS='-Wl,-rpath,$(libdir)'
;;
*-*-linux*aout*)
;;
*-*-linux* | *-pc-linux-gnu)
HLDFLAGS='-Wl,-rpath,$(libdir)'
;;
*-*-solaris*)
HLDFLAGS='-R $(libdir)'
;;
*-*-sysv4*)
HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;'
;;
esac
fi
# On SunOS, if the linker supports the -rpath option, use it to
# prevent ../bfd and ../opcodes from being included in the run time
# search path.
case "${host}" in
*-*-sunos*)
echo 'main () { }' > conftest.c
${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
:
elif grep 'No such file' conftest.t >/dev/null 2>&1; then
:
elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
:
elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
:
elif test "${shared}" = "true"; then
HLDFLAGS='-Wl,-rpath=$(libdir)'
else
HLDFLAGS='-Wl,-rpath='
fi
rm -f conftest.t conftest.c conftest
;;
esac
AC_SUBST(HLDFLAGS)
AC_SUBST(HLDENV)
# End stuff to support --enable-shared
# target_subdir is used by the testsuite to find the target libraries.
target_subdir=
if test "${host}" != "${target}"; then
target_subdir="${target_alias}/"
fi
AC_SUBST(target_subdir)
frags=
host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
if test ! -f ${host_makefile_frag}; then
AC_MSG_ERROR("*** Gdb does not support host ${host}")
fi
frags="$frags $host_makefile_frag"
target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
if test ! -f ${target_makefile_frag}; then
AC_MSG_ERROR("*** Gdb does not support target ${target}")
fi
frags="$frags $target_makefile_frag"
AC_SUBST_FILE(host_makefile_frag)
AC_SUBST_FILE(target_makefile_frag)
AC_SUBST(frags)
changequote(,)dnl
hostfile=`sed -n '
s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
' ${host_makefile_frag}`
targetfile=`sed -n '
s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
' ${target_makefile_frag}`
# these really aren't orthogonal true/false values of the same condition,
# but shells are slow enough that I like to reuse the test conditions
# whenever possible
if test "${target}" = "${host}"; then
nativefile=`sed -n '
s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
' ${host_makefile_frag}`
# else
# GDBserver is only useful in a "native" enviroment
# configdirs=`echo $configdirs | sed 's/gdbserver//'`
fi
changequote([,])
# If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
# (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
# corresponding links. But we have to remove the xm.h files and tm.h
# files anyway, e.g. when switching from "configure host" to
# "configure none".
files=
links=
rm -f xm.h
if test "${hostfile}" != ""; then
files="${files} config/${gdb_host_cpu}/${hostfile}"
links="${links} xm.h"
fi
rm -f tm.h
if test "${targetfile}" != ""; then
files="${files} config/${gdb_target_cpu}/${targetfile}"
links="${links} tm.h"
fi
rm -f nm.h
if test "${nativefile}" != ""; then
files="${files} config/${gdb_host_cpu}/${nativefile}"
links="${links} nm.h"
else
# A cross-only configuration.
files="${files} config/nm-empty.h"
links="${links} nm.h"
fi
# start-sanitize-gdbtk
AC_PROG_LN_S
# Make it possible to use the GUI without doing a full install
if test "${enable_gdbtk}" = "yes" -a ! -d gdbtcl ; then
if test "$LN_S" = "ln -s" -a ! -f gdbtcl ; then
echo linking $srcdir/gdbtcl to gdbtcl
$LN_S $srcdir/gdbtcl gdbtcl
else
echo Warning: Unable to link $srcdir/gdbtcl to gdbtcl. You will need to do a
echo " " make install before you are able to run the GUI.
fi
fi
# end-sanitize-gdbtk
AC_LINK_FILES($files, $links)
AC_CONFIG_SUBDIRS($configdirs)
AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
[
dnl Autoconf doesn't provide a mechanism for modifying definitions
dnl provided by makefile fragments.
dnl
if test "${nativefile}" = ""; then
sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
< Makefile > Makefile.tem
mv -f Makefile.tem Makefile
fi
changequote(,)dnl
sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
/^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
mv -f Makefile.tmp Makefile
changequote([,])dnl
case x$CONFIG_HEADERS in
xconfig.h:config.in)
echo > stamp-h ;;
esac
],
[
gdb_host_cpu=$gdb_host_cpu
gdb_target_cpu=$gdb_target_cpu
nativefile=$nativefile
])
exit 0