## Process this file with autoconf to produce a configure script.
##
## $Id$
AC_PREREQ(2.57)
AC_INIT([rtems-cpukit],[_RTEMS_VERSION],[rtems-bugs@OARcorp.com])
AC_CONFIG_SRCDIR([score])
RTEMS_TOP(..)
RTEMS_CANONICAL_TARGET_CPU
AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.7.2])
AM_MAINTAINER_MODE
RTEMS_ENABLE_MULTILIB
RTEMS_ENABLE_MULTIPROCESSING
RTEMS_ENABLE_POSIX
RTEMS_ENABLE_ITRON
RTEMS_ENABLE_INLINES
RTEMS_ENABLE_RTEMS_DEBUG
RTEMS_ENABLE_NETWORKING
RTEMS_ENV_RTEMSCPU
RTEMS_CHECK_RTEMS_DEBUG
RTEMS_CHECK_CPU
RTEMS_CANONICAL_HOST
RTEMS_PROG_CC_FOR_TARGET([-ansi -fasm])
RTEMS_CANONICALIZE_TOOLS
AC_PROG_RANLIB
# FIXME: For the moment, no reason to check for ada
# RTEMS_PROG_GNAT
RTEMS_CHECK_NEWLIB
RTEMS_CHECK_MULTIPROCESSING
RTEMS_CHECK_POSIX_API
RTEMS_CHECK_ITRON_API
RTEMS_CHECK_NETWORKING
# If RTEMS macros are enabled, then use them. Otherwise, use inlines.
AS_IF([test "$RTEMS_USE_MACROS" = "yes"],
[INLINEdir="macros"],
[INLINEdir="inline"])
AC_SUBST(INLINEdir)
AC_DEFINE(RTEMS_VERSION,["][_RTEMS_VERSION]["],[RTEMS version string])
RTEMS_CPU_SUBDIRS([score/cpu])
AC_CONFIG_SUBDIRS([libcsupport])
AS_IF([test x"$HAS_NETWORKING" = x"yes"],[
## FIXME: Should better use a feature-based test
AC_MSG_CHECKING([whether CPU supports librpc])
case "$RTEMS_CPU" in
c4x ) LIBRPC=no;;
or32 ) LIBRPC=no;;
* ) LIBRPC=yes;;
esac
AC_MSG_RESULT([$LIBRPC])
AS_IF([test "$LIBRPC" = "yes"],
[AC_CONFIG_SUBDIRS([librpc])
])
])
AC_ARG_ENABLE([ada],
[AC_HELP_STRING([--enable-ada],[enable ada support])],
[case "${enable_ada}" in
yes) ;;
no) ;;
*) AC_MSG_ERROR([bad value ${enable_ada} for --enable-ada]) ;;
esac],[enable_ada=no])
RTEMS_DEFINE_POSIX_API
RTEMS_DEFINE_ITRON_API
RTEMS_DEFINE_MULTIPROCESSING
# HACK: We should use a feature-based configuration.
AS_IF([test x"${RTEMS_CPU}" = x"unix"],[
AC_DEFINE_UNQUOTED([RTEMS_UNIX],[1],[to indicate RTEMS unix])
# HACK: silently accept --enable-unixlib
test -n "${enable_unixlib}" || enable_unixlib="yes"
])
AS_IF([test x"${enable_unixlib}" = x"yes"],
[AC_DEFINE_UNQUOTED([RTEMS_UNIXLIB],[1],
[to indicate RTEMS using RTEMS's unixlib])]
)
# BSD-isms, used throughout the sources
# Not really used by this configure script
# FIXME: They should be eliminated if possible.
AC_CHECK_FUNCS([strsep strcasecmp snprintf])
AC_CHECK_FUNCS([bcopy bcmp])
AC_CHECK_FUNCS([isascii fileno])
AM_CONFIG_HEADER([score/include/rtems/score/cpuopts-tmp.h],[
echo "/* target cpu dependent options file */" >$tmp/config.h
echo "/* automatically generated -- DO NOT EDIT!! */" >>$tmp/config.h
echo >>$tmp/config.h
echo "#ifndef __CPU_OPTIONS_h" >>$tmp/config.h
echo "#define __CPU_OPTIONS_h" >>$tmp/config.h
echo >>$tmp/config.h
sed -e '/.*PACKAGE.*/d' score/include/rtems/score/cpuopts-tmp.h >> $tmp/config.h
echo >>$tmp/config.h
echo "#endif" >>$tmp/config.h
AS_IF([cmp -s score/include/rtems/score/cpuopts.h $tmp/config.h 2>/dev/null],
[AC_MSG_NOTICE([score/include/rtems/score/cpuopts.h is unchanged])
rm -f $tmp/config.h],
[AC_MSG_NOTICE([creating score/include/rtems/score/cpuopts.h])
rm -f score/include/rtems/score/cpuopts.h
mv $tmp/config.h score/include/rtems/score/cpuopts.h])
])
AC_ENABLE_MULTILIB([Makefile],[..])
## HACK: Add a define to cpuopts.h to indicate using multilibs
## Can be applied to produce compiler errors if using
## multilib-incompatible settings somewhere else (eg. bspopts.h).
AS_IF([test x"${enable_multilib}" = x"yes"],[
AC_DEFINE_UNQUOTED([RTEMS_MULTILIBS],[1],[using multilib'ed RTEMS])
])
# libmisc/shell/* wants to assign file descriptors to stdio file descriptors.
AC_MSG_CHECKING([for assignable stdio])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <stdio.h>],
[stdin = fopen("/tmp", "r")])],
[HAVE_ASSIGNABLE_STDIO=yes],
[HAVE_ASSIGNABLE_STDIO=no])
AC_MSG_RESULT([$HAVE_ASSIGNABLE_STDIO])
# libmisc/serdbg exploits weak symbols
AC_CACHE_CHECK([whether $CC supports function __attribute__((weak))],
[rtems_cv_cc_attribute_weak],[
AS_IF([test x"$GCC" = xyes],[
save_CFLAGS=$CFLAGS
CFLAGS=-Werror])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[void myfunc(char c) __attribute__ ((weak));
void myfunc(char c) {}],
[])],
[rtems_cv_cc_attribute_weak=yes],
[rtems_cv_cc_attribute_weak=no])
AS_IF([test x"$GCC" = xyes],[
CFLAGS=$save_CFLAGS])
])
AM_CONDITIONAL(LIBRPC,[test "$LIBRPC" = "yes"])
AM_CONDITIONAL(UNIX,[test x"${RTEMS_CPU}" = x"unix"])
AM_CONDITIONAL(INLINE,test x"$INLINEdir" = x"inline" )
AM_CONDITIONAL(MACROS,test x"$INLINEdir" = x"macros" )
AM_CONDITIONAL(HAS_MP,test x"$HAS_MP" = x"yes" )
AM_CONDITIONAL(HAS_POSIX,test x"$HAS_POSIX_API" = x"yes")
AM_CONDITIONAL(HAS_ITRON,test x"$HAS_ITRON_API" = x"yes")
AM_CONDITIONAL(HAS_NETWORKING,test x"$HAS_NETWORKING" = x"yes")
# FIXME: All ports should have a libscorecpu.a - But the powerpc doesn't!
AM_CONDITIONAL([LIBSCORECPU],
[test -f "${srcdir}/score/cpu/${RTEMS_CPU}/cpu.c"])
AM_CONDITIONAL(RTEMS_ADA,[test x"$enable_ada" = x"yes" \
&& test x"$HAS_POSIX_API" = x"yes"])
AM_CONDITIONAL([LIBSHELL],[test x"$HAVE_ASSIGNABLE_STDIO" = x"yes"])
AM_CONDITIONAL([LIBSERDBG],[test x"$rtems_cv_cc_attribute_weak" = x"yes"])
# Explicitly list all Makefiles here
AC_CONFIG_FILES([
Makefile
include/Makefile
ada/Makefile
rtems/Makefile
sapi/Makefile
score/Makefile
score/cpu/Makefile
posix/Makefile
itron/Makefile
libblock/Makefile
libfs/Makefile
libfs/src/Makefile
libfs/src/imfs/Makefile
libfs/src/dosfs/Makefile
libnetworking/Makefile
libnetworking/lib/Makefile
libnetworking/libc/Makefile
libnetworking/wrapup/Makefile
libmisc/Makefile
libmisc/cpuuse/Makefile
libmisc/shell/Makefile
libmisc/devnull/Makefile
libmisc/dummy/Makefile
libmisc/dumpbuf/Makefile
libmisc/monitor/Makefile
libmisc/rtmonuse/Makefile
libmisc/serdbg/Makefile
libmisc/stackchk/Makefile
libmisc/capture/Makefile
libmisc/untar/Makefile
libmisc/mw-fb/Makefile
libmisc/wrapup/Makefile
wrapup/Makefile
])
AC_OUTPUT
