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dnl Process this file with autoconf to produce a configure script.
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dnl ====================================================================
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dnl
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dnl configure.in
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dnl
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dnl Host side implementation of the eCos infrastructure.
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dnl
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dnl ====================================================================
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dnl ####ECOSHOSTGPLCOPYRIGHTBEGIN####
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dnl -------------------------------------------
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dnl This file is part of the eCos host tools.
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dnl Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2 or (at your option) any
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dnl later version.
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dnl
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dnl This program is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program; if not, write to the
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dnl Free Software Foundation, Inc., 51 Franklin Street,
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dnl Fifth Floor, Boston, MA 02110-1301, USA.
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dnl -------------------------------------------
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dnl ####ECOSHOSTGPLCOPYRIGHTEND####
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dnl ====================================================================
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dnl#####DESCRIPTIONBEGIN####
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dnl
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dnl Author(s): bartv
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dnl Contact(s): bartv
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dnl Date: 1998/07/13
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dnl Version: 0.01
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dnl
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dnl####DESCRIPTIONEND####
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dnl ====================================================================
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dnl No infrastructure is complete without assertions.
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AC_INIT(assert.cxx)
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dnl Pick up the support files from the top-level acsupport directory.
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AC_CONFIG_AUX_DIR(../../acsupport)
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ECOS_CHECK_BUILD_ne_SRC
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dnl Other standard options.
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AC_CANONICAL_HOST
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dnl This package is called cyginfra, partly for historical reasons
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dnl and partly to avoid reorganizing the testsuite subdirectory.
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dnl The generated header file may get #include'd indirectly by other
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dnl packages, so it is not a good idea to define package and version.
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AM_INIT_AUTOMAKE(cyginfra, 0.1,0)
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ECOS_SUBST_VERSION(CYGNUM_INFRA_VERSION)
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AM_MAINTAINER_MODE
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dnl The package contains a library implemented in C++. It has to be
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dnl buildable under NT. Only a static version of the library is
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dnl of interest at the moment.
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AC_PROG_CC
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AC_PROG_CXX
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AC_PROG_RANLIB
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AC_OBJEXT
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AC_EXEEXT
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ECOS_PROG_MSVC
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ECOS_PROG_STANDARD_COMPILER_FLAGS
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dnl Work out the endianness. The standard macro for this is used
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dnl even though it will give warnings at autoconf time.
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AC_C_BIGENDIAN
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dnl Work out a suitable datatype for 64 bit arithmetic.
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ECOS_TYPE_64bit
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dnl Check the sizes of the pointer and long data types, so that
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dnl CYG_ADDRWORD can be defined correctly.
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AC_CHECK_SIZEOF(int *)
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AC_CHECK_SIZEOF(long)
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dnl See whether or not the compiler provides __PRETTY_FUNCTION__
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ECOS_C_PRETTY_FUNCTION
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dnl What function should be used to create a temporary file?
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dnl tmpnam() is deprecated for security reasons.
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AC_CHECK_FUNCS(mkstemp)
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dnl --------------------------------------------------------------------
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dnl User-settable options. Currently these are handled via --enable
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dnl command line options, in the absence of an accepted and more rational
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dnl alternative.
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AC_ARG_ENABLE(tracebufsize,[ --enable-tracebufsize=X size of the trace buffer],[
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if test "$enableval" = "no" -o "$enableval" = "yes"; then
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AC_MSG_ERROR("--enable-tracebufsize should be given a suitable value")
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else
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AC_DEFINE_UNQUOTED(CYGNUM_INFRA_TRACE_VECTOR_SIZE,$enableval,[size of trace vector])
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fi
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])
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dnl --------------------------------------------------------------------
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dnl Directory structures.
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dnl
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dnl The purpose of this infrastructure implementation is to provide a way
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dnl of giving host code access to the same set of assertions and tracing
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dnl facilities as are available on the target side. The implementations
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dnl of these facilities has to be rather different, for example the host
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dnl side has to worry about running in both command-line and GUI tools,
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dnl not to mention supporting different languages such as Tcl as well
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dnl as C and C++.
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dnl
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dnl After a successful build there should be a library libcyginfra.a
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dnl which can be linked with the application code and which can get
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dnl installed. In addition there will be a set of header files.
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dnl
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dnl The infrastructure exports four main header files:
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dnl
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dnl cyg/infra/cyg_type.h data types, useful macros, and a
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dnl few compiler-related odds and ends
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dnl
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dnl cyg/infra/cyg_ass.h lots of lovely assertion macros
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dnl
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dnl cyg/infra/cyg_trac.h lots of lovely trace macros
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dnl
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dnl cyg/infra/testcase.h routines for use in testcases
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dnl
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dnl These header files are shared between host and target side, to make
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dnl sure that a consistent set of macros is used between the two. There
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dnl are a number of host-specific extensions in the header files as
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dnl well.
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dnl
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dnl The header files rely on a number of other header files:
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dnl
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dnl pkgconf/infra.h
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dnl cyg/hal/basetype.h
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dnl
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dnl Obviously cyg/hal/basetype.h cannot be shared between host and target,
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dnl instead it has to depend on autoconf information.
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dnl
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dnl Sharing pkgconf/infra.h between host and target is slightly more feasible,
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dnl especially if we get the configuration tool to a point where it can
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dnl be used for both host and target. However for now this would create a
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dnl bit of confusion because two configuration systems would be in use, and
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dnl it seems better to stick with just autoconf for now. Therefore
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dnl pkgconf/infra.h #include's the file generated by autoconf and
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dnl generates the appropriate #define's (it is not a good idea to have
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dnl autoconf generate pkgconf/infra.h directly, autoconf is slightly too
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dnl eager to do substitutions).
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dnl
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dnl The configuration header file that is normally generated is
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dnl config.h. It is more in keeping with eCos conventions to have
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dnl a different header file hostinfra.h instead. This can
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dnl achieved using the appropriate AM_CONFIG_HEADER macro.
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dnl
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dnl Making the copies of cyg_type.h etc. is the responsibility of
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dnl Makefile.am, configure is responsible only for the makefile and for
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dnl hostinfra.h.
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AM_CONFIG_HEADER(hostinfra.h:config.h.in)
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AC_OUTPUT(Makefile:Makefile.in testsuite/Makefile:testsuite/Makefile.in)
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