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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [host/] [infra/] [configure.in] - Rev 786

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dnl Process this file with autoconf to produce a configure script.
dnl ====================================================================
dnl
dnl     configure.in
dnl
dnl     Host side implementation of the eCos infrastructure.
dnl
dnl ====================================================================
dnl ####ECOSHOSTGPLCOPYRIGHTBEGIN####                                       
dnl -------------------------------------------                             
dnl This file is part of the eCos host tools.                               
dnl Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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 or (at your option) any  
dnl later version.                                                          
dnl
dnl This program is distributed in the hope that it will be useful, but     
dnl WITHOUT ANY WARRANTY; without even the implied warranty of              
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU       
dnl 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                           
dnl Free Software Foundation, Inc., 51 Franklin Street,                     
dnl Fifth Floor, Boston, MA  02110-1301, USA.                               
dnl -------------------------------------------                             
dnl ####ECOSHOSTGPLCOPYRIGHTEND####                                         
dnl ====================================================================
dnl#####DESCRIPTIONBEGIN####
dnl
dnl Author(s):  bartv
dnl Contact(s): bartv
dnl Date:       1998/07/13
dnl Version:    0.01
dnl
dnl####DESCRIPTIONEND####
dnl ====================================================================

dnl No infrastructure is complete without assertions.
AC_INIT(assert.cxx)

dnl Pick up the support files from the top-level acsupport directory.
AC_CONFIG_AUX_DIR(../../acsupport)

ECOS_CHECK_BUILD_ne_SRC

dnl Other standard options.
AC_CANONICAL_HOST

dnl This package is called cyginfra, partly for historical reasons
dnl and partly to avoid reorganizing the testsuite subdirectory.
dnl The generated header file may get #include'd indirectly by other
dnl packages, so it is not a good idea to define package and version.
AM_INIT_AUTOMAKE(cyginfra, 0.1,0)
ECOS_SUBST_VERSION(CYGNUM_INFRA_VERSION)
AM_MAINTAINER_MODE

dnl The package contains a library implemented in C++. It has to be
dnl buildable under NT. Only a static version of the library is
dnl of interest at the moment.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_RANLIB
AC_OBJEXT
AC_EXEEXT
ECOS_PROG_MSVC
ECOS_PROG_STANDARD_COMPILER_FLAGS

dnl Work out the endianness. The standard macro for this is used
dnl even though it will give warnings at autoconf time.
AC_C_BIGENDIAN

dnl Work out a suitable datatype for 64 bit arithmetic.
ECOS_TYPE_64bit

dnl Check the sizes of the pointer and long data types, so that
dnl CYG_ADDRWORD can be defined correctly.
AC_CHECK_SIZEOF(int *)
AC_CHECK_SIZEOF(long)

dnl See whether or not the compiler provides __PRETTY_FUNCTION__
ECOS_C_PRETTY_FUNCTION

dnl What function should be used to create a temporary file?
dnl tmpnam() is deprecated for security reasons.
AC_CHECK_FUNCS(mkstemp)

dnl --------------------------------------------------------------------
dnl User-settable options. Currently these are handled via --enable
dnl command line options, in the absence of an accepted and more rational
dnl alternative.

AC_ARG_ENABLE(tracebufsize,[  --enable-tracebufsize=X size of the trace buffer],[
    if test "$enableval" = "no" -o "$enableval" = "yes"; then
        AC_MSG_ERROR("--enable-tracebufsize should be given a suitable value")
    else
        AC_DEFINE_UNQUOTED(CYGNUM_INFRA_TRACE_VECTOR_SIZE,$enableval,[size of trace vector])
    fi
])

dnl --------------------------------------------------------------------
dnl Directory structures.
dnl
dnl The purpose of this infrastructure implementation is to provide a way
dnl of giving host code access to the same set of assertions and tracing
dnl facilities as are available on the target side. The implementations
dnl of these facilities has to be rather different, for example the host
dnl side has to worry about running in both command-line and GUI tools,
dnl not to mention supporting different languages such as Tcl as well
dnl as C and C++.
dnl
dnl After a successful build there should be a library libcyginfra.a
dnl which can be linked with the application code and which can get
dnl installed. In addition there will be a set of header files.
dnl
dnl The infrastructure exports four main header files:
dnl
dnl    cyg/infra/cyg_type.h     data types, useful macros, and a
dnl                             few compiler-related odds and ends
dnl
dnl    cyg/infra/cyg_ass.h      lots of lovely assertion macros
dnl
dnl    cyg/infra/cyg_trac.h     lots of lovely trace macros
dnl
dnl    cyg/infra/testcase.h     routines for use in testcases
dnl
dnl These header files are shared between host and target side, to make
dnl sure that a consistent set of macros is used between the two. There
dnl are a number of host-specific extensions in the header files as
dnl well.
dnl
dnl The header files rely on a number of other header files:
dnl
dnl    pkgconf/infra.h
dnl    cyg/hal/basetype.h
dnl    
dnl Obviously cyg/hal/basetype.h cannot be shared between host and target,
dnl instead it has to depend on autoconf information.
dnl
dnl Sharing pkgconf/infra.h between host and target is slightly more feasible,
dnl especially if we get the configuration tool to a point where it can
dnl be used for both host and target. However for now this would create a
dnl bit of confusion because two configuration systems would be in use, and
dnl it seems better to stick with just autoconf for now. Therefore
dnl pkgconf/infra.h #include's the file generated by autoconf and
dnl generates the appropriate #define's (it is not a good idea to have
dnl autoconf generate pkgconf/infra.h directly, autoconf is slightly too
dnl eager to do substitutions).
dnl
dnl The configuration header file that is normally generated is
dnl config.h. It is more in keeping with eCos conventions to have
dnl a different header file hostinfra.h instead. This can
dnl achieved using the appropriate AM_CONFIG_HEADER macro.
dnl
dnl Making the copies of cyg_type.h etc. is the responsibility of
dnl Makefile.am, configure is responsible only for the makefile and for
dnl hostinfra.h.

AM_CONFIG_HEADER(hostinfra.h:config.h.in)
AC_OUTPUT(Makefile:Makefile.in testsuite/Makefile:testsuite/Makefile.in)

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