configure.in

这个是LINUX下的GDB调度工具的源码

#                                                       -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

# Copyright 2002, 2003, 2004
# Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

# NOTE ON AUTOCONF VERSION:
#   AC_PREREQ says 2.13.
#   The output file says "Generated automatically using autoconf version 2.13".
#   But that is wrong.  This file must be processed with autoconf 000227,
#   a special version which identifies itself as autoconf 2.13.

AC_PREREQ(2.13)
AC_INIT(gdb.base)

AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET

# Directories that need to be configured in all configurations.
configdirs=

# Add HP-specific tests when appropriate.
case $target in
  hppa*-*-hpux*)
    configdirs="$configdirs gdb.hp" ;;
esac

# With stabs.
AC_ARG_WITH(stabs,
[  --with-stabs            arrange to use stabs instead of host debug format],,
[# We enable stabs tests by default on selected targets.
case $target in
   powerpc-*-aix* \
 | rs6000-*-aix*  \
 | *-*-*bsd*      \
 | *-*-go32*      \
 | *-*-linux*     \
 | *-*-lynxos*    \
 | *-sun-*        \
 | hppa*-*-*      \
 | *-*-elf*       \
 )
    with_stabs=yes ;;
 *)
    with_stabs=no ;;
esac])

# Add stabs tests when appropriate.
if test $with_stabs = yes; then
  configdirs="$configdirs gdb.stabs"
fi

# Enable gdbtk.
AC_ARG_ENABLE(gdbtk,
[  --enable-gtk            enable gdbtk graphical user interface (GUI)],,
  [if test -d $srcdir/gdb.gdbtk; then
    enable_gdbtk=yes
  else
    enable_gdbtk=no
  fi])
# We unconditionally disable gdbtk tests on selected platforms.
case $host_os in
  go32* | windows*)
    enable_gdbtk=no ;;
esac

# Add gdbtk tests when appropriate.
if test $enable_gdbtk = yes; then
  configdirs="$configdirs gdb.gdbtk"
fi

# Enable shared libraries.
AC_ARG_ENABLE(shared,
[  --enable-shared         build shared libraries [deault=yes]],,
  enable_shared=yes)

# If we have shared libraries, try to set RPATH_ENVVAR reasonably,
# such that we can find the shared libraries in the build tree.
if test $enable_shared = no; then
  # The variable `RPATH_ENVVAR' itself is not likely to be used on any
  # platform.
  RPATH_ENVVAR=RPATH_ENVVAR
else
  # The variable `LD_LIBRARY_PATH' is used on most platforms.
  RPATH_ENVVAR=LD_LIBRARY_PATH
  # The following exceptions are taken from Libtool 1.4.3.
  case $host_os in
    aix*)
      if test $host_cpu != ia64; then
        RPATH_ENVVAR=LIBPATH
      fi ;;
    darwin* | rhapsody*)
      RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
    hpux*)
      RPATH_ENVVAR=SHLIB_PATH ;;
  esac
fi
AC_SUBST(RPATH_ENVVAR)

AC_CHECK_HEADERS(pthread.h)

AC_EXEEXT

AC_CONFIG_SUBDIRS($configdirs)
AC_OUTPUT([Makefile \
  gdb.ada/Makefile gdb.ada/gnat_ada.gpr:gdb.ada/gnat_ada.gin \
  gdb.arch/Makefile gdb.asm/Makefile gdb.base/Makefile \
  gdb.cp/Makefile gdb.disasm/Makefile gdb.dwarf2/Makefile \
  gdb.fortran/Makefile gdb.java/Makefile gdb.mi/Makefile \
  gdb.objc/Makefile gdb.threads/Makefile gdb.trace/Makefile])