dnl Autoconf configure script for GDB, the GNU debugger.
-dnl Copyright 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
dnl
. ${srcdir}/configure.tgt
+targ=${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.
dnl and <wchar.h> that causes AC_CHECK_HEADERS to think <curses.h> doesn't
dnl exist.
-case $host_os in solaris2.7) case "$GCC" in yes)
+case $host_os in solaris2.7 | solaris2.8) case "$GCC" in yes)
AC_DEFINE(_MSE_INT_H)
esac; esac
-AC_CHECK_HEADERS(ctype.h curses.h endian.h link.h thread_db.h proc_service.h \
+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)
+ 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 $gdb_cv_struct_reg_r_gs = yes; then
+ AC_DEFINE(HAVE_STRUCT_REG_R_GS)
+fi
+
dnl See if ptrace.h provides the PTRACE_GETREGS request.
AC_MSG_CHECKING(for PTRACE_GETREGS)
AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
AC_DEFINE(HAVE_PTRACE_GETREGS)
fi
-dnl See if ptrace.h provides the PTRACE_GETXFPREGS request.
-dnl PTRACE_GETXFPREGS is a Cygnus invention, since we wrote our own
-dnl Linux kernel patch for SSE support. That patch may or may not
-dnl actually make it into the official distribution. If you find that
-dnl years have gone by since this configure test was added, and Linux
-dnl isn't using PTRACE_GETXFPREGS, that means that our patch didn't
-dnl make it, and you can delete this code.
-AC_MSG_CHECKING(for PTRACE_GETXFPREGS)
-AC_CACHE_VAL(gdb_cv_have_ptrace_getxfpregs,
+dnl See if ptrace.h provides the PTRACE_GETFPXREGS request.
+AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
+AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
[AC_TRY_COMPILE([#include <sys/ptrace.h>],
- [PTRACE_GETXFPREGS;],
- [gdb_cv_have_ptrace_getxfpregs=yes],
- [gdb_cv_have_ptrace_getxfpregs=no])])
-AC_MSG_RESULT($gdb_cv_have_ptrace_getxfpregs)
-if test $gdb_cv_have_ptrace_getxfpregs = yes; then
- AC_DEFINE(HAVE_PTRACE_GETXFPREGS)
+ [PTRACE_GETFPXREGS;],
+ [gdb_cv_have_ptrace_getfpxregs=yes],
+ [gdb_cv_have_ptrace_getfpxregs=no])])
+AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
+if test $gdb_cv_have_ptrace_getfpxregs = yes; then
+ AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
fi
AC_CHECK_LIB(socket, socketpair)
lose
#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
-DLLTOOL=${DLLTOOL-dlltool}
-WINDRES=${WINDRES-windres}
-AC_SUBST(DLLTOOL)
-AC_SUBST(WINDRES)
+
+dnl Figure out which 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
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_ALL} \$(SUBDIR_GDBTK_CLEAN)"
+ CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)"
CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)"
CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)"
s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
' ${target_makefile_frag}`
+GDB_MULTI_ARCH=`sed -n '
+s/GDB_MULTI_ARCH[ ]*=[ ]*\([^ ]*\)[ ]*/\1/p
+' ${target_makefile_frag}`
+
# these really aren't orthogonal true/false values of the same condition,
# but shells are slow enough that I like to reuse the test conditions
# whenever possible
fi
changequote([,])
+# New targets should just set gdb_multi_arch=yes in configure.tgt.
+# Old targets being converted can either do that or set GDB_MULTI_ARCH
+# in the target specific makefile frag. Eventually gdb_multi_arch=yes
+# will be the default.
+if test x"${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="${SUBDIRS} multi-ice"
AC_SUBST(SUBDIRS)
# If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
-# (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
-# corresponding links. But we have to remove the xm.h files and tm.h
-# files anyway, e.g. when switching from "configure host" to
-# "configure none".
+# (NAT_FILE) is not set in config/*/*.m[ht] files, we link to an empty
+# version.
files=
links=
+
rm -f xm.h
+xm_h=""
if test "${hostfile}" != ""; then
-files="${files} config/${gdb_host_cpu}/${hostfile}"
-links="${links} xm.h"
+ 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
-files="${files} config/${gdb_target_cpu}/${targetfile}"
-links="${links} tm.h"
+ 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
-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"
+ 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)