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old-cross-binutils/gdb/configure.in

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dnl Autoconf configure script for GDB, the GNU debugger.
dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000 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)
AM_MAINTAINER_MODE
AC_PROG_CC
AC_AIX
AC_ISC_POSIX
AM_PROG_CC_STDC
AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
AC_CANONICAL_SYSTEM
dnl gdb doesn't use gettext, but bfd does. We call this to ensure we
dnl link with the correct libraries.
ALL_LINGUAS=
CY_GNU_GETTEXT
dnl List of object files added by configure.
CONFIG_OBS=
CONFIG_DEPS=
CONFIG_SRCS=
CONFIG_INITS=
ENABLE_CFLAGS=
CONFIG_ALL=
CONFIG_CLEAN=
CONFIG_INSTALL=
CONFIG_UNINSTALL=
configdirs="doc testsuite"
AC_ARG_ENABLE(multi-ice,
[ --enable-multi-ice Build the multi-ice-gdb-server],
[case "${enableval}" in
yes ) enable_multi_ice="yes" ;;
no) enable_multi_ice="no" ;;
*) AC_MSG_ERROR(Bad value for --enable-multi-ice: ${enableval}) ;;
esac
])
if test "${enable_multi_ice}" = "yes"; then
configdirs="${configdirs} multi-ice"
fi
dnl
changequote(,)dnl
. ${srcdir}/configure.host
. ${srcdir}/configure.tgt
targ=${target} ; . ${srcdir}/../bfd/config.bfd
dnl
changequote([,])dnl
dnl use BFD to determine the default architecture and byte order
dnl (bfd_vec->byteorder provides the latter).
targ=${target}
. ${srcdir}/../bfd/config.bfd
dnl We only want the first arch, if there is more than one.
targ_archs=`echo ${targ_archs} | sed -e 's/ .*//;'`
if test x"${targ_archs}" != x ; then
AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, ${targ_archs})
fi
if test x"${targ_defvec}" != x ; then
AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, ${targ_defvec})
fi
AC_PROG_AWK
AC_PROG_INSTALL
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(DLLTOOL, dlltool)
AC_CHECK_TOOL(WINDRES, windres)
AC_PROG_YACC
dnl MiG is needed for the Hurd.
AC_CHECK_TOOL(MIG, mig)
AC_ARG_PROGRAM
AC_TYPE_SIGNAL
AC_HEADER_STDC
dnl Solaris 7 needs _MSE_INT_H defined to avoid a clash between <widec.h>
dnl and <wchar.h> that causes AC_CHECK_HEADERS to think <curses.h> doesn't
dnl exist.
case $host_os in solaris2.7 | solaris2.8) case "$GCC" in yes)
AC_DEFINE(_MSE_INT_H)
esac; esac
AC_CHECK_HEADERS(ctype.h endian.h link.h thread_db.h proc_service.h \
memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \
string.h sys/procfs.h sys/ptrace.h sys/reg.h stdint.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 \
time.h sys/ioctl.h sys/user.h \
dirent.h sys/ndir.h sys/dir.h ndir.h \
curses.h ncurses.h \
poll.h sys/poll.h)
AC_HEADER_STAT
AC_C_CONST
AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)
AC_FUNC_ALLOCA
# See if machine/reg.h supports the %fs and %gs i386 segment registers.
# Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,
[AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_fs;],
gdb_cv_struct_reg_r_fs=yes, gdb_cv_struct_reg_r_fs=no)])
if test $gdb_cv_struct_reg_r_fs = yes; then
AC_DEFINE(HAVE_STRUCT_REG_R_FS)
fi
AC_CACHE_CHECK([for r_gs in struct reg], gdb_cv_struct_reg_r_gs,
[AC_TRY_COMPILE([#include <machine/reg.h>], [struct reg r; r.r_gs;],
gdb_cv_struct_reg_r_gs=yes, gdb_cv_struct_reg_r_gs=no)])
if test $gdb_cv_struct_reg_r_gs = yes; then
AC_DEFINE(HAVE_STRUCT_REG_R_GS)
fi
dnl See if ptrace.h provides the PTRACE_GETREGS request.
AC_MSG_CHECKING(for PTRACE_GETREGS)
AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
[AC_TRY_COMPILE([#include <sys/ptrace.h>],
[PTRACE_GETREGS;],
[gdb_cv_have_ptrace_getregs=yes],
[gdb_cv_have_ptrace_getregs=no])])
AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
if test $gdb_cv_have_ptrace_getregs = yes; then
AC_DEFINE(HAVE_PTRACE_GETREGS)
fi
dnl See if ptrace.h provides the PTRACE_GETFPXREGS request.
AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
[AC_TRY_COMPILE([#include <sys/ptrace.h>],
[PTRACE_GETFPXREGS;],
[gdb_cv_have_ptrace_getfpxregs=yes],
[gdb_cv_have_ptrace_getfpxregs=no])])
AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
if test $gdb_cv_have_ptrace_getfpxregs = yes; then
AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
fi
AC_CHECK_LIB(socket, socketpair)
AC_CHECK_FUNCS(socketpair)
BFD_NEED_DECLARATION(malloc)
BFD_NEED_DECLARATION(realloc)
BFD_NEED_DECLARATION(free)
BFD_NEED_DECLARATION(strerror)
BFD_NEED_DECLARATION(strdup)
BFD_NEED_DECLARATION(strstr)
# 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 or Solaris.
if test "${target}" = "${host}"; then
case "${host}" in
i[[3456]]86-*-linux*)
AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
AC_DEFINE(sys_quotactl)
;;
*-*-unixware* | *-*-sysv4.2* | *-*-sysv5*)
AC_DEFINE(NEW_PROC_API)
;;
*-*-solaris2.[[678]])
AC_DEFINE(NEW_PROC_API)
;;
esac
fi
if test "$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)
BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
dnl Check for struct link_map32 type, which allows a 64-bit Solaris
dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
[AC_TRY_COMPILE([#define _SYSCALL32
#include <sys/link.h>], [struct link_map32 l;],
gdb_cv_have_struct_link_map32=yes,
gdb_cv_have_struct_link_map32=no)])
AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
if test $gdb_cv_have_struct_link_map32 = yes; then
AC_DEFINE(HAVE_STRUCT_LINK_MAP32)
fi
dnl Check for broken prfpregset_t type
dnl For Linux/i386, glibc 2.1.3 was released with a bogus
dnl prfpregset_t type (it's a typedef for the pointer to a struct
dnl instead of the struct itself). We detect this here, and work
dnl around it in lin-thread.c.
if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
AC_MSG_CHECKING(whether prfpregset_t type is broken)
AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
[AC_TRY_RUN([#include <sys/procfs.h>
int main ()
{
if (sizeof (prfpregset_t) == sizeof (void *))
return 1;
return 0;
}],
gdb_cv_prfpregset_t_broken=no,
gdb_cv_prfpregset_t_broken=yes,
gdb_cv_prfpregset_t_broken=yes)])
AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
if test $gdb_cv_prfpregset_t_broken = yes; then
AC_DEFINE(PRFPREGSET_T_BROKEN)
fi
fi
dnl Check for PIOCSET ioctl entry
AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
[AC_TRY_COMPILE([#include <unistd.h>
#include <sys/types.h>
#include <sys/procfs.h>
], [
int dummy;;
dummy = ioctl(0, PIOCSET, &dummy);
],
gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
AC_MSG_RESULT($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 $gdb_cv_proc_service_is_old = yes; then
AC_DEFINE(PROC_SERVICE_IS_OLD)
fi
else
AC_MSG_RESULT(no)
fi
;;
esac
AC_SUBST(CONFIG_LDFLAGS)
fi
dnl Handle optional features that can be enabled.
dnl Handle MI sub-directory configury.
AC_ARG_ENABLE(gdbmi,
[ --enable-gdbmi Enable GDB-MI interface],
[
case "${enable_gdbmi}" in
yes | no) ;;
"") enable_gdbmi=yes ;;
*)
AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
;;
esac
])
case ${enable_gdbmi} in
"yes" )
if test -d "${srcdir}/mi" ; then
CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)"
CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)"
CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_MI_SRCS)"
CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)"
ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)"
CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)"
CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)"
CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)"
CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)"
fi
;;
esac
AC_ARG_ENABLE(tui,
[ --enable-tui Enable full-screen terminal user interface],
[
case "${enable_tui}" in
yes | no) ;;
"") enable_tui=yes ;;
*)
AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})
;;
esac
])
case ${enable_tui} in
"yes" )
if test -d "${srcdir}/tui" ; then
CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_TUI_OBS)"
CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_TUI_DEPS)"
CONFIG_SRCS="${CONFIG_SRS} \$(SUBDIR_TUI_SRCS)"
CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_TUI_INITS)"
ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_TUI_CFLAGS)"
CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_TUI_ALL)"
CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_TUI_CLEAN)"
CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_TUI_INSTALL)"
CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_TUI_UNINSTALL)"
fi
;;
esac
AC_ARG_ENABLE(netrom,
[ --enable-netrom Enable NetROM support],
[case "${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
# NOTE: Don't add -Wall or -Wunused, they both include
# -Wunused-parameter which reports bogus warnings.
# NOTE: If you add to this list, remember to update
# gdb/doc/gdbint.texinfo.
build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
-Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
# -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
# -Wchar-subscripts -Wuninitialized -Wtraditional -Wshadow -Wcast-qual
# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
# -Woverloaded-virtual -Winline -Werror"
AC_ARG_ENABLE(build-warnings,
[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
[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
if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
echo "Setting compiler warning flags = $build_warnings" 6>&1
fi])dnl
AC_ARG_ENABLE(gdb-build-warnings,
[ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
[case "${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
if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
fi])dnl
WARN_CFLAGS=""
WERROR_CFLAGS=""
if test "x${build_warnings}" != x -a "x$GCC" = xyes
then
AC_MSG_CHECKING(compiler warning flags)
# Separate out the -Werror flag as some files just cannot be
# compiled with it enabled.
for w in ${build_warnings}; do
case $w in
-Werr*) WERROR_CFLAGS=-Werror ;;
*) # Check that GCC accepts it
if $CC $w 2>&1 | grep 'unrecognized option' > /dev/null; then
:
else
WARN_CFLAGS="${WARN_CFLAGS} $w"
fi
esac
done
AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
fi
AC_SUBST(WARN_CFLAGS)
AC_SUBST(WERROR_CFLAGS)
MMALLOC_CFLAGS=
MMALLOC=
AC_SUBST(MMALLOC_CFLAGS)
AC_SUBST(MMALLOC)
AC_ARG_WITH(mmalloc,
[ --with-mmalloc Use memory mapped malloc package],
[case "${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$srcdir/../mmalloc"
MMALLOC='../mmalloc/libmmalloc.a'
fi
AC_ARG_WITH(included-regex,
[ --with-included-regex Use included regex],
[case "${withval}" in
yes) want_included_regex=true ;;
no) want_included_regex=false;;
*) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;
esac],[want_included_regex=true])dnl
if test $want_included_regex = false; then
AC_MSG_CHECKING(for GNU regex)
AC_CACHE_VAL(gdb_cv_have_gnu_regex,
[AC_TRY_COMPILE([#include <gnu-versions.h>
#include <sys/types.h>
#include <regex.h>],
[#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
#error No valid GNU regex.
#endif
],
[gdb_cv_have_gnu_regex=yes],
[gdb_cv_have_gnu_regex=no])])
AC_MSG_RESULT($gdb_cv_have_gnu_regex)
if test $gdb_cv_have_gnu_regex = no; then
want_included_regex=true
fi
fi
if test x${want_included_regex} = xtrue; then
REGEX="gnu-regex.o"
AC_DEFINE(USE_INCLUDED_REGEX)
fi
AC_SUBST(REGEX)
# 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])])
dnl Figure out which of the many generic ser-*.c files the _host_ supports.
SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"
case ${host} in
*go32* ) SER_HARDWIRE=ser-go32.o ;;
*djgpp* ) SER_HARDWIRE=ser-go32.o ;;
esac
AC_SUBST(SER_HARDWIRE)
dnl Figure out which term library to use.
if test x$gdb_host = xgo32; then
TERM_LIB=
else
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
fi
AC_SUBST(TERM_LIB)
# libreadline needs libuser32.a in a cygwin environment
WIN32LIBS=
if test x$gdb_cv_os_cygwin = xyes; then
WIN32LIBS="-luser32"
case "${target}" in
*cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
;;
esac
fi
AC_SUBST(WIN32LIBS)
LIBGUI="../libgui/src/libgui.a"
GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
AC_SUBST(LIBGUI)
AC_SUBST(GUI_CFLAGS_X)
AC_ARG_WITH(cpu,
[ --with-cpu=CPU Set the default CPU variant to debug],
[case "${target}" in
powerpc-* | powerpcle-* )
## It would be nice to keep this table in sync with the one in
## gcc/configure.
case "${with_cpu}" in
ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \
| 604 | 750 )
## Those are all handled in variants in rs6000-tdep.c, so they're fine.
;;
common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 )
## These are all RS6000 variants, as far as GDB is concerned.
with_cpu=rs6000
;;
603e | ec603e )
with_cpu=603
;;
604e )
with_cpu=604
;;
* )
AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.)
with_cpu=ppc-uisa
;;
esac
;;
* )
AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets)
;;
esac
AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")
],)
AC_ARG_ENABLE(gdbtk,
[ --enable-gdbtk Enable GDBTK GUI front end],
[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 ${enableval} given for gdbtk option) ;;
esac],
[
# Default is on for everything but go32 and Cygwin
case "$host" in
*go32* | *windows*)
;;
*)
if test -d "${srcdir}/gdbtk" ; then
enable_gdbtk=yes
fi
;;
esac
])
WIN32LDAPP=
AC_SUBST(WIN32LIBS)
AC_SUBST(WIN32LDAPP)
configdir="unix"
GDBTKLIBS=
if test "${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_ITKH
CY_AC_PATH_TIXH
# now look for Itcl library stuff
CY_AC_PATH_ITCLCONFIG
if test -z "${no_itcl}"; then
CY_AC_LOAD_ITCLCONFIG
case "${host}" in
*-*-cygwin*)
itcldir=../itcl/itcl/win/
;;
*)
itcldir=../itcl/itcl/unix/
;;
esac
ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"
fi
# now look for Itk library stuff
CY_AC_PATH_ITKCONFIG
if test -z "${no_itcl}"; then
CY_AC_LOAD_ITKCONFIG
case "${host}" in
*-*-cygwin*)
itkdir=../itcl/itk/win/
;;
*)
itkdir=../itcl/itk/unix/
;;
esac
ITKLIB="${ITK_BUILD_LIB_SPEC}"
ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
fi
# now look for Tix library stuff
CY_AC_PATH_TIXCONFIG
if test -z "${no_tix}"; then
CY_AC_LOAD_TIXCONFIG
TIXLIB="${TIX_BUILD_LIB_SPEC}"
TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"
fi
ENABLE_CFLAGS="$ENABLE_CFLAGS -DGDBTK"
# Tcl/Tk 8.1 require -fwritable strings. I don't
# know whether 8.2 will or not, but I bet it will.
# I don't have to worry about 7.x since we don't support it.
GDBTK_CFLAGS=""
if test "$GCC" = "yes"; then
if test "$TCL_VERSION" != "8.0" ; then
GDBTK_CFLAGS="-fwritable-strings"
fi
fi
# Include some libraries that Tcl and Tk want.
TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
# Yes, the ordering seems wrong here. But it isn't.
# TK_LIBS is the list of libraries that need to be linked
# after Tcl/Tk. Note that this isn't put into LIBS. If it
# were in LIBS then any link tests after this point would
# try to include things like `$(LIBGUI)', which wouldn't work.
GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
CONFIG_SRCS="${CONFIG_SRCS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"
CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-varobj.o gdbtk-wrapper.o"
CONFIG_INITS="${CONFIG_INITS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"
CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)"
CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
if test x$gdb_cv_os_cygwin = xyes; then
WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
WIN32LDAPP="-Wl,--subsystem,console"
CONFIG_OBS="${CONFIG_OBS} gdbres.o"
fi
fi
fi
fi
AC_SUBST(X_CFLAGS)
AC_SUBST(X_LDFLAGS)
AC_SUBST(X_LIBS)
AC_SUBST(ITCLLIB)
AC_SUBST(ITCL_DEPS)
AC_SUBST(ITKLIB)
AC_SUBST(ITK_DEPS)
AC_SUBST(TIXLIB)
AC_SUBST(TIX_DEPS)
AC_SUBST(GDBTKLIBS)
AC_SUBST(GDBTK_CFLAGS)
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)
AC_SUBST(CONFIG_INITS)
AC_SUBST(CONFIG_ALL)
AC_SUBST(CONFIG_CLEAN)
AC_SUBST(CONFIG_INSTALL)
AC_SUBST(CONFIG_UNINSTALL)
# 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}`
GDB_MULTI_ARCH=`sed -n '
s/GDB_MULTI_ARCH[ ]*=[ ]*\([^ ]*\)[ ]*/\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 $configdirs | sed 's/gdbserver//'`
fi
changequote([,])
# New targets should just set gdb_multi_arch=yes in configure.tgt.
# Old targets being converted can either do that or set GDB_MULTI_ARCH
# in the target specific makefile frag. Eventually gdb_multi_arch=yes
# will be the default.
if test x"${GDB_MULTI_ARCH}" = x ; then
case "${gdb_multi_arch}" in
yes ) GDB_MULTI_ARCH=GDB_MULTI_ARCH_PURE ;;
no ) GDB_MULTI_ARCH=0 ;;
0|1|2 ) GDB_MULTI_ARCH=${gdb_multi_arch} ;;
esac
fi
if test x"${GDB_MULTI_ARCH}" != x ; then
AC_DEFINE_UNQUOTED(GDB_MULTI_ARCH, ${GDB_MULTI_ARCH})
fi
# Warn the user when they use an old pratice
case "${GDB_MULTI_ARCH}" in
"" ) ;;
0 | GDB_MULTI_ARCH_PARTIAL | 1 | GDB_MULTI_ARCH_TM | 2 )
AC_MSG_WARN("GDB: Target is not pure multi-arch") ;;
GDB_MULTI_ARCH_PURE )
if test x"${targetfile}" != x ; then
AC_MSG_WARN("GDB: Ingoring TM_FILE in ${target_makefile_frag}")
targetfile=""
fi ;;
*) AC_MSG_ERROR("GDB: Unknown GDB_MULTI_ARCH value ${GDB_MULTI_ARCH}");;
esac
SUBDIRS="doc testsuite nlm"
if test "${enable_multi_ice}" = "yes"; then
SUBDIRS="${SUBDIRS} multi-ice"
fi
AC_SUBST(SUBDIRS)
# If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
# (NAT_FILE) is not set in config/*/*.m[ht] files, we link to an empty
# version.
files=
links=
rm -f xm.h
xm_h=""
if test "${hostfile}" != ""; then
xm_h=xm.h
GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}"
files="${files} ${GDB_XM_FILE}"
links="${links} xm.h"
AC_DEFINE_UNQUOTED(GDB_XM_FILE, ${GDB_XM_FILE})
fi
AC_SUBST(xm_h)
rm -f tm.h
tm_h=""
if test "${targetfile}" != ""; then
tm_h=tm.h
GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}"
files="${files} ${GDB_TM_FILE}"
links="${links} tm.h"
AC_DEFINE_UNQUOTED(GDB_TM_FILE, ${GDB_TM_FILE})
fi
AC_SUBST(tm_h)
rm -f nm.h
nm_h=""
if test "${nativefile}" != ""; then
nm_h=nm.h
GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}"
files="${files} ${GDB_NM_FILE}"
links="${links} nm.h"
AC_DEFINE_UNQUOTED(GDB_NM_FILE, ${GDB_NM_FILE})
fi
AC_SUBST(nm_h)
AC_PROG_LN_S
AC_LINK_FILES($files, $links)
dnl Check for exe extension set on certain hosts (e.g. Win32)
AC_EXEEXT
AC_CONFIG_SUBDIRS($configdirs)
AC_OUTPUT(Makefile .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
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