dnl Autoconf configure script for GDB, the GNU debugger.
-dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
dnl Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
AC_CANONICAL_SYSTEM
+# FIXME: kettenis/20030102: The AC_PROG_RANLIB from Autoconf 2.13
+# doesn't support cross-compilation, but the one from Autoconf 2.5x
+# does. Override RANLIB here (i.e. before running AC_PROG_RANLIB) to
+# deal with the lossage. Note that CY_GNU_GETTEXT currently calls
+# AC_PROG_RANLIB. This can be removed when we switch to # Autoconf
+# 2.5x.
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+
dnl Set up for gettext. PACKAGE is used when we call bindtextdomain.
ALL_LINGUAS=
CY_GNU_GETTEXT
AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, ${targ_defvec})
fi
+AC_ARG_PROGRAM
+
+# Enable TUI.
+AC_ARG_ENABLE(tui,
+[ --enable-tui enable full-screen terminal user interface (TUI)],
+ [case $enableval in
+ yes | no)
+ ;;
+ *)
+ AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
+ esac])
+if test x"$enable_tui" = xyes; then
+ if test -d $srcdir/tui; then
+ CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
+ CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
+ CONFIG_SRCS="$CONFIG_SRCS \$(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)"
+ need_curses=yes
+ fi
+fi
+
+# --------------------- #
+# Checks for programs. #
+# --------------------- #
+
AC_PROG_AWK
AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_PROG_RANLIB
+AC_PROG_YACC
+
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.
+# Needed for GNU/Hurd.
AC_CHECK_TOOL(MIG, mig)
-AC_ARG_PROGRAM
+# ---------------------- #
+# Checks for libraries. #
+# ---------------------- #
-AC_TYPE_SIGNAL
+# We might need to link with -lm; most simulators need it.
+AC_CHECK_LIB(m, main)
+
+# We need to link with -lw to get `wctype' on Solaris before Solaris
+# 2.6. Solaris 2.6 and beyond have this function in libc, and have a
+# libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
+# is known to have this problem). Therefore we avoid libw if we can.
+AC_CHECK_FUNC(wctype, [],
+ [AC_CHECK_LIB(w, wctype)])
+
+# Some systems (e.g. Solaris) have `socketpair' in libsocket.
+AC_SEARCH_LIBS(socketpair, socket)
+
+# Since GDB uses Readline, we need termcap functionality, so we need
+# to find a library that provides that. When GDB is configured with
+# --enable-tui, we need full curses functionality.
+#
+# FIXME: kettenis/20030102: We seem to prefer HP curses (Hcurses) over
+# Xcurses on HP-UX; see the `-D__HP_CURSES' in the relevant host
+# Makefile fragments. That's why we need to have `Hcurses' before
+# `curses'. I don't see why we should use HP curses if a more
+# standard curses is available, except that according to HP's
+# documentation one needs to compile `-D_XOPEN_SOURCE_EXTENDED' on
+# HP-UX 10.10 and 10.20.
+
+if test "$need_curses" = yes; then
+ AC_SEARCH_LIBS(initscr, [ncurses Hcurses curses], [],
+ [AC_MSG_ERROR([no curses library found])])
+fi
+
+case $host_os in
+ cygwin*)
+ if test -d $srcdir/libtermcap; then
+ LIBS="../libtermcap/libtermcap.a $LIBS"
+ ac_cv_search_tgetent="../libtermcap/libtermcap.a"
+ fi ;;
+ go32*)
+ # ??? Is this really true?
+ ac_cv_search_tgetent="none required"
+ ;;
+ aix*)
+ # Readline prefers curses over termcap on AIX.
+ # ??? Why?
+ AC_SEARCH_LIBS(tgetent, [tinfo ncurses curses termcap])
+ ;;
+esac
+
+# Note: We used to check for libtermlib and libterminfo too, but
+# Readline doesn't, so I think we're safe with leaving them out.
+AC_SEARCH_LIBS(tgetent, [termcap tinfo ncurses Hcurses curses])
+
+if test "$ac_cv_search_tgetent" = no; then
+ AC_MSG_ERROR([no termcap library found])
+fi
+
+# ------------------------- #
+# Checks for header files. #
+# ------------------------- #
AC_HEADER_DIRENT
+AC_HEADER_STAT
AC_HEADER_STDC
+AC_CHECK_HEADERS(link.h)
+AC_CHECK_HEADERS(nlist.h)
+AC_CHECK_HEADERS(poll.h sys/poll.h)
+AC_CHECK_HEADERS(proc_service.h thread_db.h)
+AC_CHECK_HEADERS(stddef.h)
+AC_CHECK_HEADERS(stdlib.h)
+AC_CHECK_HEADERS(stdint.h)
+AC_CHECK_HEADERS(string.h memory.h strings.h)
+AC_CHECK_HEADERS(sys/fault.h)
+AC_CHECK_HEADERS(sys/file.h)
+AC_CHECK_HEADERS(sys/filio.h)
+AC_CHECK_HEADERS(sys/ioctl.h)
+AC_CHECK_HEADERS(sys/param.h)
+AC_CHECK_HEADERS(sys/proc.h)
+AC_CHECK_HEADERS(sys/procfs.h)
+AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
+AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
+AC_CHECK_HEADERS(sys/select.h)
+AC_CHECK_HEADERS(sys/syscall.h)
+AC_CHECK_HEADERS(sys/user.h)
+AC_CHECK_HEADERS(sys/wait.h wait.h)
+AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
+AC_CHECK_HEADERS(unistd.h)
+
+# On Solaris 2.[78], we need to define _MSE_INT_H to avoid a clash
+# between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
+# think that we don't have <curses.h> if we're using GCC.
+case $host_os in
+ solaris2.[[78]])
+ if test "$GCC" = yes; then
+ AC_DEFINE(_MSE_INT_H, 1,
+ [[Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
+ Solaris 2.[78] when using GCC. ]])
+ fi ;;
+esac
+AC_CHECK_HEADERS(curses.h ncurses.h term.h)
-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 nlist.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/proc.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/file.h sys/ioctl.h sys/user.h sys/fault.h sys/syscall.h \
- sys/filio.h \
- curses.h ncurses.h \
- poll.h sys/poll.h)
-AC_HEADER_STAT
+# FIXME: kettenis/20030102: In most cases we include these
+# unconditionally, so what's the point in checking these?
+AC_CHECK_HEADERS(ctype.h time.h)
+
+# ------------------ #
+# Checks for types. #
+# ------------------ #
+
+AC_TYPE_SIGNAL
+
+# ------------------------------------- #
+# Checks for compiler characteristics. #
+# ------------------------------------- #
AC_C_CONST
AC_C_INLINE
-AC_CHECK_FUNCS(btowc canonicalize_file_name isascii poll \
- realpath sbrk setpgid setpgrp sigaction sigprocmask sigsetmask )
+# ------------------------------ #
+# Checks for library functions. #
+# ------------------------------ #
+
AC_FUNC_ALLOCA
+AC_FUNC_MMAP
AC_FUNC_VFORK
+AC_CHECK_FUNCS(canonicalize_file_name realpath)
+AC_CHECK_FUNCS(poll)
+AC_CHECK_FUNCS(sbrk)
+AC_CHECK_FUNCS(setpgid setpgrp)
+AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
+AC_CHECK_FUNCS(socketpair)
+
dnl AC_FUNC_SETPGRP does not work when cross compiling
dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
if test "$cross_compiling" = no; 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
+
+# However, if the system regex is GNU regex, then default to *not*
+# using the included regex.
+AC_CACHE_CHECK(
+ [for GNU regex],
+ [gdb_cv_have_gnu_regex],
+ [AC_TRY_COMPILE(
+ [#include <gnu-versions.h>],
+ [#define REGEX_INTERFACE_VERSION 1
+#if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
+# error "Version mismatch"
+#endif],
+ gdb_cv_have_gnu_regex=yes,
+ gdb_cv_have_gnu_regex=no)])
+if test $gdb_cv_have_gnu_regex = yes; then
+ gdb_use_included_regex=no
+fi
+
+AC_ARG_WITH(included-regex,
+ [ --without-included-regex don't use included regex; this is the default
+ on systems with version 2 of the GNU C library
+ (use with caution on other system)],
+ gdb_with_regex=$withval,
+ gdb_with_regex=$gdb_use_included_regex)
+if test "$gdb_with_regex" = yes; then
+ AC_DEFINE(USE_INCLUDED_REGEX, 1,
+ [Define to 1 if the regex included in libiberty should be used.])
+fi
+
# 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,
fi
-AC_CHECK_LIB(socket, socketpair)
-AC_CHECK_FUNCS(socketpair)
-
-
BFD_NEED_DECLARATION(malloc)
BFD_NEED_DECLARATION(realloc)
BFD_NEED_DECLARATION(free)
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)
fi
AC_MSG_RESULT($gdb_cv_scanf_has_long_double)
-AC_FUNC_MMAP
-
case ${host_os} in
aix*)
AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
UIOUT_CFLAGS="-DUI_OUT=1"
fi
-AC_ARG_ENABLE(tui,
-[ --enable-tui Enable full-screen terminal user interface],
-[
- case "${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="${CONFIG_SRCS} \$(SUBDIR_TUI_SRCS)"
- CONFIG_INITS="${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
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, [
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
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)
projects / binutils-gdb.git / blobdiff