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  INSTALL_STATIC_RULES="$INSTALL_STATIC_RULES install-gnome-keyring-lib"
fi

if test "$USE_NLS" = "yes"; then
  BUILD_RULES="$BUILD_RULES locale"
  INSTALL_RULES="$INSTALL_RULES install-locale"
fi

AC_SUBST(BUILD_RULES)
AC_SUBST(INSTALL_STATIC_RULES)
AC_SUBST(INSTALL_RULES)
AC_SUBST(BDB_TEST_DEPS)
AC_SUBST(BDB_TEST_PROGRAMS)

dnl Check for header files ----------------

dnl Standard C headers
AC_HEADER_STDC

dnl Check for typedefs, structures, and compiler characteristics ----------

dnl if compiler doesn't understand `const', then define it empty
AC_C_CONST

dnl if non-existent, define size_t to be `unsigned'
AC_TYPE_SIZE_T


dnl Check for library functions ----------

AC_FUNC_MEMCMP

dnl svn_error's default warning handler uses vfprintf()
AC_FUNC_VPRINTF

dnl check for functions needed in special file handling
AC_CHECK_FUNCS(symlink readlink)

dnl check for uname
AC_CHECK_HEADERS(sys/utsname.h, [AC_CHECK_FUNCS(uname)], [])

dnl check for termios
AC_CHECK_HEADER(termios.h,[
  AC_CHECK_FUNCS(tcgetattr tcsetattr,[
    AC_DEFINE(HAVE_TERMIOS_H,1,[Defined if we have a usable termios library.])
  ])
])

dnl Process some configuration options ----------

AC_ARG_WITH(openssl,
AS_HELP_STRING([--with-openssl],
               [This option does NOT affect the Subversion build process in any
                way. It tells an integrated Serf HTTP client library build
                process where to locate the OpenSSL library when (and only when)
                building Serf as an integrated part of the Subversion build
                process. When linking to a previously installed version of Serf
                instead, you do not need to use this option.]),
[])

AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug],
               [Turn on debugging]),
[
    if test "$enableval" = "yes" ; then
      enable_debugging="yes"
    else
      enable_debugging="no"
    fi
],
[
    # Neither --enable-debug nor --disable-debug was passed.
    enable_debugging="maybe"
])

AC_ARG_ENABLE(optimize,
AS_HELP_STRING([--enable-optimize],
               [Turn on optimizations]),
[
    if test "$enableval" = "yes" ; then
      enable_optimization="yes"
    else
      enable_optimization="no"
    fi
],
[
    # Neither --enable-optimize nor --disable-optimize was passed.
    enable_optimization="maybe"
])

dnl Use -Wl,--no-undefined during linking of some libraries
AC_ARG_ENABLE(disallowing-of-undefined-references,
  [AS_HELP_STRING([--enable-disallowing-of-undefined-references],
                  [Use -Wl,--no-undefined flag during linking of some libraries to disallow undefined references])])
if test "$enable_disallowing_of_undefined_references" != "yes" && test "`uname`" != "Linux"; then
  enable_disallowing_of_undefined_references="no"
fi
if test "$enable_disallowing_of_undefined_references" != "no"; then
  AC_MSG_CHECKING([for -Wl,--no-undefined])
  old_LDFLAGS="$LDFLAGS"
  LDFLAGS="$LDFLAGS -Wl,--no-undefined"
  AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(){;}]])], [svn_wl_no_undefined="yes"], [svn_wl_no_undefined="no"])
  LDFLAGS="$old_LDFLAGS"
  if test "$svn_wl_no_undefined" = "yes"; then
    AC_MSG_RESULT([yes])
    for library_dir in "$abs_srcdir/subversion/libsvn_"*; do
      eval "`basename $library_dir`_LDFLAGS=-Wl,--no-undefined"
    done
  else
    AC_MSG_RESULT([no])
    if test "$enable_disallowing_of_undefined_references" = "yes"; then
      AC_MSG_ERROR([--enable-disallowing-of-undefined-references explicitly requested, but -Wl,--no-undefined not supported])
    fi
  fi
fi
AC_SUBST([libsvn_auth_gnome_keyring_LDFLAGS])
AC_SUBST([libsvn_auth_kwallet_LDFLAGS])
AC_SUBST([libsvn_client_LDFLAGS])
AC_SUBST([libsvn_delta_LDFLAGS])
AC_SUBST([libsvn_diff_LDFLAGS])
AC_SUBST([libsvn_fs_LDFLAGS])
AC_SUBST([libsvn_fs_base_LDFLAGS])
AC_SUBST([libsvn_fs_fs_LDFLAGS])
AC_SUBST([libsvn_fs_util_LDFLAGS])
AC_SUBST([libsvn_ra_LDFLAGS])
AC_SUBST([libsvn_ra_local_LDFLAGS])
AC_SUBST([libsvn_ra_serf_LDFLAGS])
AC_SUBST([libsvn_ra_svn_LDFLAGS])
AC_SUBST([libsvn_repos_LDFLAGS])
AC_SUBST([libsvn_subr_LDFLAGS])
AC_SUBST([libsvn_wc_LDFLAGS])


AC_ARG_ENABLE(maintainer-mode,
AS_HELP_STRING([--enable-maintainer-mode],
               [Turn on debugging and very strict compile-time warnings]),
[
    if test "$enableval" = "yes" ; then
      if test "$enable_debugging" = "no" ; then
        AC_MSG_ERROR([Can't have --disable-debug and --enable-maintainer-mode])
      fi
      enable_debugging=yes

      dnl Enable some extra warnings. Put these before the user's flags
      dnl so the user can specify flags that override these.
      if test "$GCC" = "yes"; then
        AC_MSG_NOTICE([maintainer-mode: adding GCC warning flags])

        dnl some additional flags that can be handy for an occasional review,
        dnl but throw too many warnings in svn code, of too little importance,
        dnl to keep these enabled. Remove the "dnl" to do a run with these
        dnl switches enabled.
        dnl ./configure CUSERFLAGS="-Wswitch-enum -Wswitch-default"

        dnl Add each of the following flags only if the C compiler accepts it.
        CFLAGS_KEEP="$CFLAGS"
        CFLAGS=""

        SVN_CFLAGS_ADD_IFELSE([-Werror=implicit-function-declaration])
        SVN_CFLAGS_ADD_IFELSE([-Werror=declaration-after-statement])
        SVN_CFLAGS_ADD_IFELSE([-Wextra-tokens])
        SVN_CFLAGS_ADD_IFELSE([-Wnewline-eof])
        SVN_CFLAGS_ADD_IFELSE([-Wshorten-64-to-32])
        SVN_CFLAGS_ADD_IFELSE([-Wold-style-definition])
        SVN_CFLAGS_ADD_IFELSE([-Wno-system-headers])
        SVN_CFLAGS_ADD_IFELSE([-Wno-format-nonliteral])

        CMAINTAINERFLAGS="$CFLAGS $CMAINTAINERFLAGS"
        CFLAGS="$CFLAGS_KEEP"

        dnl Add flags that all versions of GCC (should) support
        CMAINTAINERFLAGS="-Wall -Wpointer-arith -Wwrite-strings -Wshadow -Wformat=2 -Wunused -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wno-multichar -Wredundant-decls -Wnested-externs -Winline -Wno-long-long ...
      fi
      if test "$GXX" = "yes"; then
        AC_MSG_NOTICE([maintainer-mode: adding G++ warning flags])

        dnl Add each of the following flags only if the C++ compiler accepts it.
        CXXFLAGS_KEEP="$CXXFLAGS"
        CXXFLAGS=""

        SVN_CXXFLAGS_ADD_IFELSE([-Wextra-tokens])
        SVN_CXXFLAGS_ADD_IFELSE([-Wnewline-eof])
        SVN_CXXFLAGS_ADD_IFELSE([-Wshorten-64-to-32])
        SVN_CXXFLAGS_ADD_IFELSE([-Wno-system-headers])

        CXXMAINTAINERFLAGS="$CXXFLAGS $CXXMAINTAINERFLAGS"
        CXXFLAGS="$CXXFLAGS_KEEP"

        dnl Add flags that all versions of G++ (should) support
        CXXMAINTAINERFLAGS="-Wall -Wpointer-arith -Wwrite-strings -Wshadow -Wunused -Wunreachable-code $CXXMAINTAINERFLAGS"
      fi
    fi
])

if test "$enable_debugging" = "yes" ; then
  dnl At the moment, we don't want optimization, because we're
  dnl debugging. Unless optiization was explicitly enabled.
  if test "$enable_optimization" != "yes"; then
    AC_MSG_NOTICE([Disabling optimizations for debugging])
    CFLAGS=["`echo $CFLAGS' ' | $SED -e 's/-O[^ ]* //g'`"]
    CXXFLAGS=["`echo $CXXFLAGS' ' | $SED -e 's/-O[^ ]* //g'`"]
  fi
  dnl Add debugging flags, unless they were set by the user
  if test -z ["`echo $CUSERFLAGS' ' | $EGREP -- '-g[0-9]? '`"]; then
    AC_MSG_NOTICE([Enabling debugging for C])
    CFLAGS=["`echo $CFLAGS' ' | $SED -e 's/-g[0-9] //g' -e 's/-g //g'`"]
    SVN_CFLAGS_ADD_IFELSE([-fno-inline])
    SVN_CFLAGS_ADD_IFELSE([-fno-omit-frame-pointer])
    SVN_CFLAGS_ADD_IFELSE([-g3],[],[
      SVN_CFLAGS_ADD_IFELSE([-g2],[],[
        SVN_CFLAGS_ADD_IFELSE([-g])])])
  fi
  if test -z ["`echo $CXXUSERFLAGS' ' | $EGREP -- '-g[0-9]? '`"]; then
    AC_MSG_NOTICE([Enabling debugging for C++])
    CXXFLAGS=["`echo $CXXFLAGS' ' | $SED -e 's/-g[0-9] //g' -e 's/-g //g'`"]
    SVN_CXXFLAGS_ADD_IFELSE([-fno-inline])
    SVN_CXXFLAGS_ADD_IFELSE([-fno-omit-frame-pointer])
    SVN_CXXFLAGS_ADD_IFELSE([-g3],[],[
      SVN_CXXFLAGS_ADD_IFELSE([-g2],[],[
        SVN_CXXFLAGS_ADD_IFELSE([-g])])])
  fi
  dnl SVN_DEBUG enables specific features for developer builds
  dnl AP_DEBUG enables specific (Apache) features for developer builds
  CFLAGS="$CFLAGS -DSVN_DEBUG -DAP_DEBUG"
  CXXFLAGS="$CXXFLAGS -DSVN_DEBUG -DAP_DEBUG"
elif test "$enable_debugging" = "no" ; then
  AC_MSG_NOTICE([Disabling debugging])
  CFLAGS=["`echo $CFLAGS' ' | $SED -e 's/-g[0-9] //g' -e 's/-g //g'`"]
  CXXFLAGS=["`echo $CXXFLAGS' ' | $SED -e 's/-g[0-9] //g' -e 's/-g //g'`"]
  dnl Compile with NDEBUG to get rid of assertions
  CFLAGS="$CFLAGS -DNDEBUG"
  CXXFLAGS="$CXXFLAGS -DNDEBUG"
# elif test "$enable_debugging" = "maybe" ; then
#   # do nothing
fi

if test "$enable_optimization" = "yes"; then
  dnl Add optimization flags, unless they were set by the user
  if test -z ["`echo $CUSERFLAGS' ' | $EGREP -- '-O[^ ]* '`"]; then
    CFLAGS=["`echo $CFLAGS' ' | $SED -e 's/-O[^ ]* //g'`"]
    if test "$enable_debugging" = "yes"; then
      AC_MSG_NOTICE([Enabling optimizations for C (with debugging enabled)])
      SVN_CFLAGS_ADD_IFELSE([-O1],[],[
        SVN_CFLAGS_ADD_IFELSE([-O])])
    else
      AC_MSG_NOTICE([Enabling optimizations for C])
      SVN_CFLAGS_ADD_IFELSE([-O3],[],[
        SVN_CFLAGS_ADD_IFELSE([-O2],[],[
          SVN_CFLAGS_ADD_IFELSE([-O1],[],[
            SVN_CFLAGS_ADD_IFELSE([-O])])])])
      SVN_CFLAGS_ADD_IFELSE([-Wno-clobbered])
      SVN_CFLAGS_ADD_IFELSE([-flto])
    fi
  fi
  if test -z ["`echo $CXXUSERFLAGS' ' | $EGREP -- '-O[^ ]* '`"]; then
    CXXFLAGS=["`echo $CXXFLAGS' ' | $SED -e 's/-O[^ ]* //g'`"]
    if test "$enable_debugging" = "yes"; then
      AC_MSG_NOTICE([Enabling optimizations for C++ (with debugging enabled)])
      SVN_CXXFLAGS_ADD_IFELSE([-O1],[],[
        SVN_CXXFLAGS_ADD_IFELSE([-O])])
    else
      AC_MSG_NOTICE([Enabling optimizations for C++])
      SVN_CXXFLAGS_ADD_IFELSE([-O3],[],[
        SVN_CXXFLAGS_ADD_IFELSE([-O2],[],[
          SVN_CXXFLAGS_ADD_IFELSE([-O1],[],[
            SVN_CXXFLAGS_ADD_IFELSE([-O])])])])
      SVN_CXXFLAGS_ADD_IFELSE([-Wno-clobbered])
      SVN_CXXFLAGS_ADD_IFELSE([-flto])
    fi
  fi
elif test "$enable_optimization" = "no"; then
  dnl Remove all optimization flags
  AC_MSG_NOTICE([Disabling optimizations])
  CFLAGS=["`echo $CFLAGS' ' | $SED -e 's/-O[^ ]* //g'`"]
  CXXFLAGS=["`echo $CXXFLAGS' ' | $SED -e 's/-O[^ ]* //g'`"]
# elif test "$enable_optimization" = "maybe" ; then
#   # do nothing
fi

dnl Dump the current compiler options
AC_MSG_NOTICE([C compiler flags: $CFLAGS])
AC_MSG_NOTICE([    user-defined: $CUSERFLAGS])
AC_MSG_NOTICE([ maintainer-mode: $CMAINTAINERFLAGS])
AC_MSG_NOTICE([C++ compiler flags: $CXXFLAGS])
AC_MSG_NOTICE([      user-defined: $CXXUSERFLAGS])
AC_MSG_NOTICE([   maintainer-mode: $CXXMAINTAINERFLAGS])

AC_ARG_ENABLE(full-version-match,
AS_HELP_STRING([--disable-full-version-match],
               [Disable the full version match rules when checking
                Subversion library compatibility.]),
[
    if test "$enableval" = "no" ; then
      AC_MSG_NOTICE([Disabling svn full version matching])
      AC_DEFINE(SVN_DISABLE_FULL_VERSION_MATCH, 1,
                [Defined if the full version matching rules are disabled])
    fi
])

AC_ARG_WITH(editor,
AS_HELP_STRING([--with-editor=PATH],
               [Specify a default editor for the subversion client.]),
[

    if test "$withval" = "yes" ; then
      AC_MSG_ERROR([--with-editor requires an argument.])
    else
      SVN_CLIENT_EDITOR=$withval
      AC_DEFINE_UNQUOTED(SVN_CLIENT_EDITOR, "$SVN_CLIENT_EDITOR",
                         [The path of a default editor for the client.])

    fi

])

SVN_LIB_Z

MOD_ACTIVATION=""