binutils-gdb/gdb/configure.in
1999-04-26 18:34:20 +00:00

661 lines
18 KiB
Plaintext

dnl Autoconf configure script for GDB, the GNU debugger.
dnl Copyright 1995, 1996, 1997, 1998, 1999 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(2.13)dnl
AC_INIT(main.c)
AC_CONFIG_HEADER(config.h:config.in)
AC_PROG_CC
AC_AIX
AC_ISC_POSIX
AM_PROG_CC_STDC
AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
AC_CANONICAL_SYSTEM
dnl gdb doesn't use gettext, but bfd does. We call this to ensure we
dnl link with the correct libraries.
ALL_LINGUAS=
CY_GNU_GETTEXT
dnl List of object files added by configure.
CONFIG_OBS=
CONFIG_DEPS=
CONFIG_SRCS=
configdirs="doc testsuite"
dnl
changequote(,)dnl
. ${srcdir}/configure.host
. ${srcdir}/configure.tgt
dnl
changequote([,])dnl
AC_PROG_AWK
AC_PROG_INSTALL
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_PROG_YACC
AC_ARG_PROGRAM
AC_TYPE_SIGNAL
AC_HEADER_STDC
AC_CHECK_HEADERS(ctype.h curses.h endian.h link.h \
memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \
string.h sys/procfs.h sys/ptrace.h sys/reg.h \
term.h termio.h termios.h unistd.h wait.h sys/wait.h \
wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h)
AC_HEADER_STAT
AC_C_CONST
AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc)
AC_FUNC_ALLOCA
BFD_NEED_DECLARATION(malloc)
BFD_NEED_DECLARATION(realloc)
BFD_NEED_DECLARATION(free)
BFD_NEED_DECLARATION(strerror)
BFD_NEED_DECLARATION(strdup)
# The following save_state_t checkery is only necessary for HPUX
# versions earlier than 10.20. When those fade from memory, this
# could be expunged. --jsm 1999-03-22
AC_MSG_CHECKING(for HPUX save_state structure)
AC_EGREP_HEADER(save_state_t, machine/save_state.h,
gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no)
AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes,
gdb_cv_hpux_sswide=no)
if test $gdb_cv_hpux_savestate = yes
then
AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1)
fi
if test $gdb_cv_hpux_sswide = yes
then
AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1)
fi
AC_MSG_RESULT($gdb_cv_hpux_sswide)
# If we are configured native on GNU/Linux, work around problems with
# sys/procfs.h
# Also detect which type of /proc is in use, such as for Unixware.
if test "${target}" = "${host}"; then
gdb_cv_hostos_is_solaris=no
case "${host}" in
i[[3456]]86-*-linux*)
AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
AC_DEFINE(sys_quotactl)
;;
*-*-solaris*)
gdb_cv_hostos_is_solaris=yes ;;
esac
AC_MSG_CHECKING(for directory proc entries)
# The [gdb_host != sun4sol2] hack is because Solaris does provide the
# multiple procfs files as of Solaris 2.6, but GDB can't use it right now.
if test "$ac_cv_header_sys_procfs_h" = yes -a \
"$gdb_cv_hostos_is_solaris" = no \
-a -d /proc/$$ \
-a -f /proc/$$/ctl \
-a -f /proc/$$/as \
-a -f /proc/$$/map \
-a -f /proc/$$/status; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_MULTIPLE_PROC_FDS)
else
AC_MSG_RESULT(no)
fi
fi
if test "$ac_cv_header_sys_procfs_h" = yes; then
BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
dnl Check for PIOCSET ioctl entry
AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
[AC_TRY_COMPILE([#include <unistd.h>
#include <sys/types.h>
#include <sys/procfs.h>
], [
int dummy;;
dummy = ioctl(0, PIOCSET, &dummy);
],
gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
if test $gdb_cv_have_procfs_piocset = yes; then
AC_DEFINE(HAVE_PROCFS_PIOCSET)
fi
fi
dnl See if host has libm. This is usually needed by simulators.
AC_CHECK_LIB(m, main)
dnl Solaris puts wctype in /usr/lib/libw.a before Solaris 2.6.
dnl
dnl A bug in GNU ld 2.9.1 causes a problem if we link in -lw
dnl under Solaris 2.6 because it is some funky empty library.
dnl So only link in libw if we have to.
AC_CHECK_LIB(c, wctype,: ,AC_CHECK_LIB(w, wctype))
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[32];
long long l = 0;
l = (l << 16) + 0x0123;
l = (l << 16) + 0x4567;
l = (l << 16) + 0x89ab;
l = (l << 16) + 0xcdef;
sprintf (buf, "0x%016llx", l);
return (strcmp ("0x0123456789abcdef", 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)
dnl See if the compiler and runtime support scanning long doubles
AC_MSG_CHECKING(for long double support in scanf)
AC_CACHE_VAL(gdb_cv_scanf_has_long_double,
[AC_TRY_RUN([
int main () {
char *buf = "3.141592653";
long double f = 0;
sscanf (buf, "%Lg", &f);
return !(f > 3.14159 && f < 3.14160);
}],
gdb_cv_scanf_has_long_double=yes,
gdb_cv_scanf_has_long_double=no,
gdb_cv_scanf_has_long_double=no)])
if test $gdb_cv_scanf_has_long_double = yes; then
AC_DEFINE(SCANF_HAS_LONG_DOUBLE)
fi
AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
AC_FUNC_MMAP
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"
CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
else
AC_MSG_RESULT(no (suppressed because you are not using GCC))
fi
else
AC_MSG_RESULT(no)
fi
;;
solaris*)
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"
CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
AC_CHECK_LIB(dl, dlopen)
if test "$GCC" = "yes" ; then
# The GNU linker requires the -export-dynamic option to make
# all symbols visible in the dynamic symbol table.
hold_ldflags=$LDFLAGS
AC_MSG_CHECKING(for the ld -export-dynamic flag)
LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
AC_TRY_LINK(, [int i;], found=yes, found=no)
LDFLAGS=$hold_ldflags
AC_MSG_RESULT($found)
if test $found = yes; then
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
fi
fi
# Sun randomly tweaked the prototypes in <proc_service.h>
# at one point.
AC_MSG_CHECKING(if <proc_service.h> is old)
AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
AC_TRY_COMPILE([
#include <proc_service.h>
ps_err_e ps_pdwrite
(struct ps_prochandle*, psaddr_t, const void*, size_t);
],, gdb_cv_proc_service_is_old=no,
gdb_cv_proc_service_is_old=yes)
])
AC_MSG_RESULT($gdb_cv_proc_service_is_old)
if test $gdb_cv_proc_service_is_old = yes; then
AC_DEFINE(PROC_SERVICE_IS_OLD)
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(tui,
[ --enable-tui Enable full-screen terminal user interface],
[
case "${enable_tui}" in
yes | no) ;;
"") enable_tui=yes ;;
*)
AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
;;
esac
])
case ${enable_tui} in
"yes" )
AC_DEFINE(TUI)
BUILD_TUI=all-tui
TUI_LIBRARY=tui/libtui.a
;;
* )
BUILD_TUI=
TUI_LIBRARY=
;;
esac
AC_SUBST(BUILD_TUI)
AC_SUBST(TUI_LIBRARY)
AC_ARG_ENABLE(netrom,
[ --enable-netrom Enable NetROM support],
[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"
CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
fi
AC_ARG_ENABLE(build-warnings,
[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
[build_warnings="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations"
case "${enableval}" in
yes) ;;
no) build_warnings="-w";;
,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
build_warnings="${build_warnings} ${t}";;
*,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
build_warnings="${t} ${build_warnings}";;
*) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
esac],[build_warnings=""])dnl
if test "x${build_warnings}" != x -a "x$GCC" = xyes
then
WARN_CFLAGS="${build_warnings}"
else
WARN_CFLAGS=""
fi
AC_SUBST(WARN_CFLAGS)
MMALLOC_CFLAGS=
MMALLOC=
AC_SUBST(MMALLOC_CFLAGS)
AC_SUBST(MMALLOC)
AC_ARG_WITH(mmalloc,
[ --with-mmalloc Use memory mapped malloc package],
[case "${withval}" in
yes) want_mmalloc=true ;;
no) want_mmalloc=false;;
*) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;
esac],[want_mmalloc=false])dnl
if test x$want_mmalloc = xtrue; then
AC_DEFINE(USE_MMALLOC)
AC_DEFINE(MMCHECK_FORCE)
MMALLOC_CFLAGS="-I$srcdir/../mmalloc"
MMALLOC='../mmalloc/libmmalloc.a'
fi
# In the Cygwin environment, we need some additional flags.
AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
[AC_EGREP_CPP(lose, [
#if defined (__CYGWIN__) || defined (__CYGWIN32__)
lose
#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
DLLTOOL=${DLLTOOL-dlltool}
WINDRES=${WINDRES-windres}
AC_SUBST(DLLTOOL)
AC_SUBST(WINDRES)
dnl Figure out which term library to use.
if test x$gdb_cv_os_cygwin = xyes; then
TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
else
TERM_LIB=
AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
if test "x$TERM_LIB" = x
then
AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
fi
fi
AC_SUBST(TERM_LIB)
AC_PATH_X
# Unlike the sim directory, whether a simulator is linked is controlled by
# presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
# This code just checks for a few cases where we'd like to ignore those
# definitions, even when they're present in the '.mt' file. These cases
# are when --disable-sim is specified, or if the simulator directory is
# not part of the soruce tree.
#
AC_ARG_ENABLE(sim,
[ --enable-sim Link gdb with simulator],
[echo "enable_sim = $enable_sim";
echo "enableval = ${enableval}";
case "${enableval}" in
yes) ignore_sim=false ;;
no) ignore_sim=true ;;
*) ignore_sim=false ;;
esac],
[ignore_sim=false])
if test ! -d "${srcdir}/../sim"; then
ignore_sim=true
fi
if test "${ignore_sim}" = "true"; then
IGNORE_SIM="SIM="
IGNORE_SIM_OBS="SIM_OBS="
else
IGNORE_SIM=""
IGNORE_SIM_OBS=""
AC_DEFINE(WITH_SIM)
fi
AC_SUBST(IGNORE_SIM)
AC_SUBST(IGNORE_SIM_OBS)
AC_SUBST(ENABLE_CFLAGS)
AC_SUBST(CONFIG_OBS)
AC_SUBST(CONFIG_DEPS)
AC_SUBST(CONFIG_SRCS)
# 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
AC_LINK_FILES($files, $links)
dnl Check for exe extension set on certain hosts (e.g. Win32)
AC_EXEEXT
AC_CONFIG_SUBDIRS($configdirs)
AC_OUTPUT(Makefile tui/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